Tag: 2025

Volkswagen Caddy (SB;  2024 – 2025) – fuse and relay  box diagram

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Volkswagen Caddy (SB;  2024 – 2025) – fuse and relay  box diagram

Year of production: 2024, 2025

 

The fifth-generation Volkswagen Caddy was produced from 2021 to present. In this guide, you will find descriptions of the fuses and relays for the Volkswagen Caddy 5 (2021 – 2023 models), including fuse box diagrams, their locations.

Passenger Compartment

Fuse box diagram

Volkswagen Caddy (SB; 2024 - 2025) - fuse box diagram - passenger compartment
Volkswagen Caddy (SB; 2024 – 2025) – fuse box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment

No.
 A
 Function/component
F1 – –
F2 30 ATO, Rear fresh air control unit
F3 25 ATO, Trailer control unit, left (vehicles with factory-fitted towing bracket)
F4 30 ATO, Control unit for reduction agent heating [for vehicle with diesel engines]
F5 25 ATO, Parking lock actuator
F6 30 ATO, Interior lighting, On-board power supply control unit
F7 30 ATO, Seat heating, Heating and air conditioning control unit
F8 25 ATO, Control unit for special vehicles (depending on the equipment)
F9 30 ATO, Driver’s door control unit [for vehicle with left-hand steering], Front passenger’s door control unit [for vehicles with right-hand steering]
F10 25 ATO, Control unit for special vehicles
F11 15 ATO, Trailer recognition control unit (vehicles with factory-fitted towing bracket)
F12 40 MAXI+, Right exterior lighting, On-board power control supply control unit
F13 40 MAXI+, Central locking, On-board power control supply control unit
F14 40 MAXI+, Interior with socket, 12V/230V
F15 – –
F16 7,5 MINI, Airbag control unit, Seat occupied sensor radio communication control unit
F17 10 MINI, Relay for reducing agent dosing system [for vehicles with diesel engines] / Supply module of the reducing agent dosing system [for vehicles with diesel engines] / Recovery tank [for vehicles with diesel engines]
F18 10 MINI, Electronic steering column lock control unit / Access and start authorization interface / Anti-theft alarm control unit 2 / Anti-theft alarm control unit 3 / Anti-theft alarm control unit 4 / Anti-theft alarm control unit 5
F19 7,5 MINI, Instrument cluster / Control unit for emergency call module and communication unit
F20 7,5 MINI, Telephone, Storage compartment with mobile phone interface / Transmission and reception stabilization control unit / USB port 1
F21 7,5 MINI, Interior lighting relay / Blind spot monitoring control unit / Blind spot monitoring control unit 2 / Around view camera rear view
F22 – –
F23 15 MINI, Contact plate in left B-pillar
F24 15 MINI, All-wheel drive control unit
F25 25 ATO, Control unit for special vehicles
F26 30 ATO, Front passenger door control unit
F27 25 ATO, Control unit for special vehicles
F28 – –
F29 15 ATO, Trailer charging cable ( vehicles with factory-fitted towing bracket)
F30 20 ATO, Infotainment components, Electronic information system control unit 1
F31 25 ATO, trailer control unit, right (vehicles with factory-fitted towing bracket)
F32 15 ATO, Rear lid control unit
F33 15 ATO, Contact plate in right B-pillar
F34 – –
F35 40 MAXI+, Left exterior lighting, On-board power supply control unit
F36 40 MAXI+, Blower regulator, Supply air fan control unit
F37 – –
F38 – –
F39 – –
F40 7,5 MINI, anti-theft alarm
F41 7,5 MINI, Data bus diagnostic interface
F42 7,5 MINI, Selector lever / Selector lever position indicator
F43 10 MINI, Heating and air conditioning control unit / Interior temperature sensor / Rear window heating relay / Tyre pressure monitoring control unit / Auxiliary heater radio signal receiver
F44 7,5 MINI, Electromechanical parking brake button / Dash panel switch module, center / Light control panel / Anti-theft alarm sensor / Air humidity, rain and light sensor / Front interior light
F45 7,5 MINI, Steering column electronics control unit
F46 7,5 MINI, Display for front control, display and information unit
F47 – –
F48 – –
F49 – –
F50 – –
F51 – –
F52 20 ATO, Cigarette lighter [Optional][5] / 12V socket [Optional][5] / 12V socket 3 [Optional][5] / 12V socket 4 [Optional][5]
F53 – –
F54 – –
F55 – –
F56 – –
F57 – –
F58 7,5 MINI, Adaptive cruise control unit [Optional] / Parking assistance control unit [Optional] / Front camera for driver assistance systems [Optional]
F59 7,5 MINI, Electromechanical parking brake button / Reversing light switch [Optional] / Refrigerant circuit pressure sensor / Socket relay
F60 7,5 MINI, Diagnostic connector
F61 7,5 MINI, Clutch pedal position sensor [Optional] / Starter relay 1 / Starter relay 2
F62 7,5 MINI, USB charging socket 1 [Optional]
F63 – –
F64 – –
F65 – –
F66 15 ATO, Rear window wiper.
F67 30 MAXI+, Rear window heating
R1 Socket relay
R2 Power supply relay terminal 15
R3 Rear window heating relay
R4 Relay for reducing agent dosing system [for cars with diesel engine]

Engine Comparment

Fuse box diagram

Volkswagen Caddy (SB; 2024 - 2025) - fuse box diagram - engine compartment
Volkswagen Caddy (SB; 2024 – 2025) – fuse box diagram – engine compartment

 

Assignment of the fuses in the engine compartment

No.
 A
 Function/component
F1 80 MIDI, Power steering control unit
F2 7,5 ATO, ABS control unit / Main relay [for cars with a gasoline engine] / Terminal 30 power supply relay [for vehicles with diesel engines] / Engine control unit
F3 7,5 ATO, [with engine letter designation DHFA] Shut-off and safety valve 1 for gas cylinder / Shut-off and safety valve 2 for gas cylinder / Shut-off and safety valve 3 for gas cylinder / Shut-off and safety valve 4 for gas cylinder / Shut-off and safety valve 5 for gas cylinder
F4 15 ATO, Headlight front left
F5 15 ATO, Headlight front right
F6 – –
F7 30 ATO, Gearbox oil cooling pump [Optional]
F8 40 ATO, Brake booster
F9 15 ATO, Horn relay
F10 30 ATO, Windscreen wiper motor relay 1 / Windscreen wiper motor relay 2 / Windscreen wiper motor
F11 – –
F12 15 ATO, Mechatronic unit DSG gearbox [Optional]
F13 25 ATO, ABS control unit
F14 20 ATO, Additional heater control unit [Optional]
F15 40 ATO, ABS control unit
F16 – –
F17 40 MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F18 40 MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F19 – –
F20 – –
F21 7,5 ATO, Engine control unit
F22 30 Starter
F23 15 ATO, Engine control unit
F24 7,5 ATO, [for vehicles with diesel engines] Oil level and temperature sensor [for vehicles with diesel engines] / Fuel pump relay [for vehicles with diesel engines] / Activated carbon filter solenoid valve 1 [for vehicles with diesel engines] / Exhaust camshaft adjuster valve 1 [for vehicles with diesel engines] / Oil pressure regulating valve [for vehicles with diesel engines] / Inlet camshaft adjuster cylinder 2 [for vehicles with diesel engines] / Exhaust camshaft adjuster cylinder 2 [for vehicles with diesel engines] / Inlet camshaft adjuster cylinder 3 [for vehicles with diesel engines] / Exhaust camshaft adjuster cylinder 3 [for vehicles with diesel engines] / Inlet camshaft adjuster valve 1 [for vehicles with diesel engines] / Radiator fan [for vehicles with diesel engines]
F24 10 ATO, for cars with a gasoline engine] Oil level and temperature sender [for cars with a gasoline engine] / Glow plug control unit [for cars with a gasoline engine] / Reducing agent preheating control unit [for cars with a gasoline engine] / Reducing agent metering system relay [for cars with a gasoline engine] / Fuel pressure regulator [for cars with a gasoline engine] / Fuel metering valve [for cars
F25 7,5 ATO, Injector cylinder 1 / Injector cylinder 2 / Injector cylinder 3 / Injector cylinder 4
F26 10 ATO, Crankcase ventilation heating resistor [for vehicles with diesel engines] / Oil pressure regulating valve [for vehicles with diesel engines] / Coolant regulating valve [for vehicles with diesel engines] / Piston cooling nozzle control valve [for vehicles with diesel engines] / Heater circulation pump [for vehicles with diesel engines] / Charge air cooling pump [for cars with a gasoline engine] /
, F27 10 ATO, [for cars with a gasoline engine] Lambda probe 1 after neutralizer [for cars with a gasoline engine] / Lambda probe 1 before neutralizer [for cars with a gasoline engine]
F27 15 ATO, [for vehicles with diesel engines] Soot Particle Sensor [for vehicles with diesel engines] / NOx Sensor 3 [for vehicles with diesel engines] / Lambda Probe 1 Before Catalytic Converter [for vehicles with diesel engines] / NOx Sensor Control Unit [for vehicles with diesel engines] / NOx Sensor Control Unit 2 [for vehicles with diesel engines]
F28 20 ATO, Ignition coil 1 with output stage [for cars with a gasoline engine] / Ignition coil 2 with output stage [for cars with a gasoline engine] / Ignition coil 3 with output stage [for cars with a gasoline engine] / Ignition coil 4 with output stage [for cars with a gasoline engine]
F29 15 ATO, [for cars with a gasoline engine] Fuel pump control unit / Fuel delivery module
F29 20 ATO [for vehicles with diesel engines]
F30 – –
F31 7,5 ATO, brake light sensor
F32 – –
F33 40 MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F34 30 ATO, Heated windscreen relay [for cars with heated windshield] / Windscreen heating element [for cars with heated windshield] / Relay 2 for heated windscreen [for cars with heated windshield]
F35 30 Relay 2 for heated windscreen [for cars with heated windshield] / Windscreen heating element [for cars with heated windshield]
R1 Main relay [for cars with petrol engines], Power supply relay terminal 30 [for cars with diesel engine]
R2 High Power Heating Relay
R3
Horn relay
R4 Starter relay 1
R5 Starter relay 2
R6 Fuel pump relay/ Gas shut-off valve relay [with engine letter designation DHFA]
R7 Glow plug control unit [for cars with diesel engine]
R8 Low power heating relay [for vehicles with additional air heater heating element]
R9 Heated windscreen relay
R10 Relay 2 for heated windscreen
R11 Relay 1 windscreen wiper motor
R12 Windscreen wiper motor relay 2

 

Fuses for junction box 1 (SX1)

 

Assignment of the fuses in the juncion box 1 (SX1)

Type No. Function/component
Battery Terminal SA1 Fuse box B
Battery Terminal SA2 Radiator Fan [for vehicle with a simple radiator fan]
Battery Terminal SA2 Radiator Fan [for vehicle with dual radiator fan]
Battery Terminal 508 Switching and distribution box 2/ Battery
Battery Terminal SA4 Fuse box C
Battery Terminal SA5 Fuse box C

 

Fuses for junction box 2 (SX2)

 

Assignment of the fuses in the juncion box 2 (SX2)

Type No. Function/component
MIDI A Starter/ Generator with voltage regulator
MIDI B Relay and fuse block J for special vehicle [for cars with preparation for a 2nd battery]

 

There are also videos on this topic on our YouTube channel.

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Buick Enclave (II; 2025) – fuse and relay box diagram

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Buick Enclave (II; 2025) – fuse and relay box diagram

Year of production: 2025

 

The Buick Enclave from model years 2018 to 2021 is part of the second generation of this midsize luxury SUV, which saw a significant redesign in 2018.

 

In this guide, we focus on the second-generation Buick Enclave, manufactured 2025. Inside, you’ll find fuse box diagrams for the 2025 models, details on the locations of the fuse panels within the vehicle, and explanations of each fuse and relay assignment (fuse layout)

 

Passenger compartment

Fuse Box Location

Buick Enclave (II; 2025) - fuse and relay box location - passenger compartment
Buick Enclave (II; 2025) – fuse and relay box location – passenger compartment

 

Fuse Box Diagram

Buick Enclave (II; 2025) - fuse and relay box diagram - passenger compartment
Buick Enclave (II; 2025) – fuse and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment

№ Description
F1 Blower motor
F2 ELM 1 – Exterior Lighting Module 1
F3 SCL Steering Column Lock
F4 ELM 2 – Exterior Lighting Module 2
F5 CM 2 – Body Control Module 2
F6 OHC – OnStar Hands-Free Calling
F7 Steering wheel control
F8 Telematics
F9 BCM BATT 1 & ETS SHIFTER – Body Control Module Battery 1 and Euro Truck Shnifer
F10 UGDO – Universal Garage Door Opener
Spare
F11 HVAC & TPIM – Heating, Ventilation and Air Conditioning and Traction Power Inverter Module
F12 Sterring Column Lock
F13 CGM & DLC – Central Gateway Module and Data Link Connector
F14 EBCM & PCM – Electronic Brake Control Module and Power Control Module
F15 AUX DISPLAY
F16 APO_RR_CARGO – Auxiliary Power Outlet Rear Cargo
F17 SDM_AOS – Sensing Diagnostic Module Automatic Occupant Sensor
Spare
F18 SEAT FAN CTR/ HDLP CO & DR – Seat Fan Control Headlamo CO and Driver
F19 ELM RC – Exterior Lighting Module Ride Control
F20 VKM – Virtual Key Module
Spare
F21 VCU_BATT 1 & 2 – Virtual Cocpit Unit Battery 1 and 2
F22 SDM – Sensing Data Module
F23 —
F43 WCM – Wireless Charging Module
F25 HVPO – High Voltage Power Outlet
F26 Spare
F27 AUX
F28 LRR – Long Range Radar
F29 SRR – Short Range Radar
F30 —
F31 BCM 3 – Body Control Module 3
F32 HSWM – Heated Steering Wheel Module
F33 —
F34 CPM – Column Position Module
F35 AMPLIFIER
F36 DC/ DC BATT 2 – Direct Current / Direct Current Battery 2
F37 BCM 4 – Body Control Module 4
F38 AMPLIFIER 2
F39 ELM 6 – Exterior Lighting Module 6
F40 DCAC – Direct Current Alternating Current
F41 —
F42 Auxiliary power outlet (CB)/ Lighter (Minifuse)

 

Engine compartment

Fuse Box Location

Buick Enclave (II; 2025) - fuse and relay box location - engine compartment
Buick Enclave (II; 2025) – fuse and relay box location – engine compartment

 

Fuse Box Diagram

Buick Enclave (II; 2025) - fuse and relay box diagram - engine compartment
Buick Enclave (II; 2025) – fuse and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment

№ Description
F1 Spare
F2 Spare
F3 FRT_WIPER – Front Wiper
F4 Spare
F5 Spare
F6 HDLP RT – Headlamp Right
F7 RR_WIPER – rear Wiper
F8 Spare
F9 RR DEFOG – Rear Defog
F10 ELM 4 – Exterior Lighting Module 4
F11 HDLP LT – Headlamp Left
F12 HORN
F13 Spare
F14 Spare
F15 Spare
F16 RR_WPR_CTRL – Rear Wiper Control
F17 RLY COIL GND – Relay Coil Ground
F18 DC DC BATT1 – Direct Current Direct Current Battery 1
F19 ELM7 – Exterior Lighting Module 5
F20 Spare
F21 Spare
F22 ELM_5 – Exterior Lighing Module 5
F23 WIPER_DE_ICE
F24 EBCM1 – Electronic Brake Control Module 1
F25 ELM_3 – Exterior Lighting Module 3
F26 Spare
F27 TRLR_LTP_TRN_LT – Trailer Lamp Turn Left
F28 TRLR_LTP_TRN_RT – Trailer Lamp Turn Right
F29 WASH
F30 AERO SHUTTER
F31 Spare
F32 PCM – Power Control Module
F33 Spare
F34 Spare
F35 PCM – Power Control Module
F36 STRTR MTR – Starter Motor
F37 AC CLUTCH GAS – Alternating Current Clutch Gas
F38 SOL CP_TURBO BYPASS – Solenoid Turbo Bypass
F39 COIL ODD
F40 Spare
F41 B721_B70_M674
F42 Spare
F43 Spare
F44 Spare
F45 Spare
F46 Spare
F47 Spare
F48 Spare
F49 Spare
F50 E-PHASER – Electronic Phaser
F51 Spare
F52 PCM – Power Control Module 2
F53 Spare
F54 AIR_PUMP
F55 Spare
F56 STRTR PINION – Starter Pinion
F57 WATER PUMP

Luggage compartment

Fuse Box Location

Buick Enclave (II; 2025) - fuse and relay box location - luggage compartment
Buick Enclave (II; 2025) – fuse and relay box location – luggage compartment

 

Fuse Box Diagram

Buick Enclave (II; 2025) - fuse and relay box diagram - luggage compartment
Buick Enclave (II; 2025) – fuse and relay box diagram – luggage compartment

 

Assignment of the fuses in the luggage compartment

№ Description
F1 RR_BLOW – Rear Blow
F2 DSP_CODR – Door Switch Panel_Code
F3 TAILGATE
F4 TRLR_BAT1 – Trailer Battery 1
F5 ACP2 – AWD Control Processor 2
F6 PWR_FOLD_SEAT_L_R – Power Fold Seat Left and Rear
F7 DSP-DOOR Switch Panel
F8 Spare
F9 LAMPS_RT-Right Lamps
F10 Spare
F11 Spare
F12 ELM 2 – Exterior Lighting Module 2
F13 LAMPS_LT – Left Lamps
F14 SP_DRVR – Driver
F15 MSM_DRIVER – Memory Seat Module Driver
F16 MTR PFTS_ROW2_L
F17 FRT – Front
F18 SBP_CO_DRIVER
F19 MTR PFTS_ROW2_R
F20 Spare
F21 RFA-Remote Function Actuator
F22 Spare
F23 Spare
F24 Spare
F25 Spare
F26 CANISTER
F27 UPA – Universal Park Assist
F28 RDCM – Right Door Conrol Module
F29 SBZA – Side Blind Zone Assist
F30 TRLR_PRK_LMP – Trailer Park Lamp
F31 FCM – Front Camera Module
F32 Spare
F33 ROW2_BAT1 – Second Row Battery 1
F34 Spare
F35 Spare
F36 ROW2_BAT2 – Second Row Battery 2
F37 Spare
F38 Spare
F39 Spare
F40 TRLR_BACK_UP
F41 Spare
F42 DSP-DOOr Switch Panel
F43 POWER FOLD SEAT SW/N 3_ROW
F44 OUT_OF_PARK_DISABLE
F45 TRAILER_BRAKE
F46 ACP3-AWD Control Processor 3
F47 FTZM – Fuel Tank Zone Module
F48 SP_PASS
F49 Spare
F50 ELM 1 – Exterior Lighting Module 1
F51 FRT_BAT2 – Front Battery 2
F52 Spare
F53 Spare
F54 ROW2_FOLD_RH – Second Row Righthand Fold
F55 ROW3 – Thrid Row
F56 SUNROOF
F57 RDCM – Right Door Control Module

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Audi Q8 (2023 – 2025) – fuse and relay box diagram

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Audi Q8 (2023 – 2025) – fuse and relay box diagram

 

This article covers to the Audi Q8 (B3), produced from 2018 to present. It includes fuse box diagrams for the 2023, 2024 and 2025 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

 

Year of production: 2023, 2024, 2025

 

Passenger compartment

Fuse box diagram (dashboard)

Audi Q8 (2018 - 2022) - fuse and relay box diagram - passenger compartment (dashboard)
Audi Q8 (2023 – 2025) – fuse and relay box diagram – passenger compartment (dashboard)

 

Assignment of the  relays in the passenger compartment (dashboard)

№ Description
1 –
2 Audi phone box, external aerial
3 Air conditioner, perfume function
4 Head-up display
5 USB ports with charging function
7 Steering column lock
8 Upper/lower display
9 Instrument cluster
10 DVD drive
11 Light switches, switch panels
12 Steering column electronics
13 Volume control
14 MMI infotainment control unit
15 Steering column adjustment
16 Heating for steering wheel

 

Fuse box diagram (Footwell)

Version 1
Audi Q8 (2018 - 2022) - fuse and relay box diagram - passenger compartment (footwell)
Audi Q8 (2023 – 2025) – fuse and relay box diagram – passenger compartment (footwell)

 

Version 2 (RHD)
Audi Q8 (2018 - 2022) - fuse and relay box diagram - passenger compartment (footwell - RHD)
Audi Q8 (2023 – 2025) – fuse and relay box diagram – passenger compartment (footwell – RHD)

 

Assignment of the  relays in the passenger compartment (footwell)

№ Description
Fuse panel 1 (brown)
1 Catalytic converter heater, camshaft adjuster
2 Air mass meter, Lambda probes
3 Engine heating, injectors, exhaust flaps
4 Heating water pump, exhaust flaps, NOx sensor, particulate sensor, biodiesel sensor
5 Brake light sensor
6 Engine valves
7 Lambda probes, air mass meter
8 High-pressure pump, engine mountings
9 Engine components, engine relays
10 Oil pressure sensor, oil temperature sensor
11 48 V coolant pump, 48 V starter alternator, 12 V starter alternator
12 Engine valves
13 Engine cooling
14 Drive system control unit
15 Oxygen sensors
16 Fuel pump
Fuse panel 2 (red)
1 Ignition coils
4 Electric compressor
5 Engine mountings
6 Windscreen washer system control unit
7 Dash panel
8 Air conditioner blowers
9 Control unit for driver assist systems
10 Emergency call and communication control unit
11 Power unit start, clutch for electric drive system
Fuse panel 3 (black)
1 Seat heating (front)
2 Wipers
3 Headlight electronics (left)
4 Panorama sun roof
5 Door control unit (front left)
6 Sockets
7 Door control unit, rear right
9 Headlight electronics (right)
10 Control unit for windscreen/headlight washer system
11 Door control unit, rear left
12 Auxiliary heating, exterior sound generator
Fuse panel 4 (brown)
1 Seat ventilation, seat electronics, interior mirror, A/C control console (rear), diagnostic connection, traffic information aerial (TMC)
2 Control unit for vehicle electrical system, diagnostic interface
3 Engine sound control unit
4 Gear oil cooling valve
5 Power unit start, electric drive system
7 Active accelerator
8 Night vision assist, active roll stabilisation
9 Adaptive cruise assist, front radar sensors
10 External sound generator
11 Intersection assist, driver assist systems
13 Left headlight
15 USB connection
Fuse panel 5 (red)
1 Anti-theft alarm system
2 Drive system control unit
3 Seat electronics (front), lumbar support
4 Selector lever for automatic gearbox
5 Horn
6 Parking brake
7 Diagnostic interface
8 Roof electronics control unit
9 Electronic toll collection system (ETC)
10 Airbag control unit
11 Electronic stabilisation control (ESC), anti-lock brake system (ABS)
12 Diagnostic connection, light sensor/rain sensor
13 Air conditioner
14 Door control unit, front right
15 Air conditioner compressor
16 Brake system pressure accumulator

 

Luggage compartment

Fuse box diagram

Audi Q8 (2018 - 2022) - fuse and relay box diagram - footwell compartment
Audi Q8 (2023 – 2025) – fuse and relay box diagram – footwell compartment

 

Assignment of the  relays in the luggage compartment

№ Description
Fuse panel 1 (black)
1 High-voltage heater, thermal management
5 Air suspension/suspension control
6 Automatic gearbox control unit
7 Seat heating (rear), A/C control console (rear)
9 Central locking system, rear light (left-side)
10 Front belt tensioner (driver’s side)
11 Central locking for boot lid, fuel tank flap, luggage compartment cover
12 Boot lid control unit
Fuse panel 2 (red)
1 Air conditioner blowers (rear)
2 Sound system
3 Emission control, engine sound control unit
4 A/C control console (rear)
5 Towing bracket (right lights)
6 Towing bracket swivel motor
7 Towing bracket release
8 Towing bracket (left lights)
9 Electrical socket for towing bracket
10 Four-wheel sport differential
11 Emission control
12 Rear belt tensioner (driver’s side)
Fuse panel 3 (brown)
1 Control unit for driver assist systems
3 Lumbar support (right-side)
4 Side assist
6 Tyre pressure loss indicator
7 External aerial
8 Remote control receiver (auxiliary heater), fuel tank module
10 TV tuner, control unit for data exchange and telematics
11 Control unit for convenience access and start authorisation
12 Garage door opener
13 Reversing camera, surround view cameras
14 Convenience system control unit, rear light (right-side)
15 Rear belt tensioner (passenger’s side)
16 Front belt tensioner (passenger’s side)
Fuse panel 4 (red)
1 Active roll stabilisation
2 Emergency cut-out connection for high-voltage battery
3 Coolant pump for high-voltage battery
4 Power electronics control unit
5 Brake servo
6 Voltage transformer
7 Engine start
8 Air conditioner compressor
9 Control unit for additional battery
10 High-voltage battery
11 Charging system
12 Remote control receiver for auxiliary heater/air conditioning
14 Thermal management, coolant pumps
15 Thermal management control unit
Fuse panel 5 (brown)
7 Seat heating (front)
9 Emission control
10 Seat heating (rear), A/C control console (rear)
12 Emission control

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram

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Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram

Year of production: 2024, 2025

 

This article focuses on the ninth-generation Volkswagen Passat (B9), produced in 2024 and 2025. It includes fuse box diagrams for the 2024 and 2025 models, provides details on the locations of the fuse panels within the vehicle, and explains the function and layout of each fuse and relay.

Fuse Holder A

Fuse Box Diagram
Volkswagen Passat (B9; 2024 - 2025) - fuse and relay box diagram - engine compartment (fuse holder A)
Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram – engine compartment (fuse holder A)

 

Assignment of the fuses in the engine compartment (Fuse Holder A)

№ Amp Function / component
SA1 150A Fuse holder B -SB-
SA2 100A Radiator fan -VX57-
SA3 200A Radiator fan -VX57-
508 – Fuse carrier 4 -ST4-
SA4 125A Fuse holder C -SC-
SA5 125A Fuse holder C -SC-

Fuse Holder B

Fuse Box Diagram
Volkswagen Passat (B9; 2024 - 2025) - fuse and relay box diagram - engine compartment (fuse holder B)
Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram – engine compartment (fuse holder B)

 

Assignment of the fuses in the engine compartment (Fuse Holder B)

№ Amp Function / component
F1 – –
F2 7.5A ABS control unit -J104- (Fuse with silver-plated plug contacts)
F3 – –
F4 30A Front left headlight -MX1- (Fuse with silver-plated plug contacts)
F5 30A Front right headlight -MX2- (Fuse with silver-plated plug contacts)
F6 – –
F7 30A Auxiliary hydraulic pump 1 for gearbox oil -V475-
F8 40A Brake servo -NX6- (Right-hand drive)
F9 15A Horn
F10 30A Windscreen wiper -VX58-
F11 – –
F12 30A (0CW)
15A (0GC)		 Mechatronic unit for dual clutch gearbox -J743-
F13 – –
F14 20A Auxiliary heater control unit -J364- (For models with auxiliary heating)
F15 40A ABS control unit -J104-
F16 50A Radiator fan -VX57-
F17 40A Auxiliary air heater element -Z35-
F18 40A Auxiliary air heater element -Z35-
F19 – –
F20 – –
F21 – –
F22 – –
F23 10A Engine/motor control unit -J623- (Fuse with silver-plated plug contacts)
F24 5A/10A Radiator fan -VX57- (Fuse with silver-plated plug contacts)
Exhaust camshaft control valve 1 -N318-
Inlet camshaft control valve 1 -N727-
Valve for oil pressure control -N428-
Activated charcoal filter solenoid valve 1 -N80-
Inlet cam actuator for cylinder 2 -N583-
Exhaust cam actuator for cylinder 2 -N587-
Inlet cam actuator for cylinder 3 -N591-
Exhaust cam actuator for cylinder 3 -N595-
Function unit for active oil separation -GX47-
F25 – –
F26 10A Charge air cooling pump -V188-
F27 10A Lambda probe 1 before catalytic converter -GX10-
Lambda probe 1 after catalytic converter -GX7-
F28 20A Ignition coil 1 with output stage -N70-
Ignition coil 2 with output stage -N127-
Ignition coil 3 with output stage -N291-
Ignition coil 4 with output stage -N292-
F29 15A (FWD)
20A (AWD)		 Fuel pump control unit -J538-
F30 – –
F31 – –
F32 40A Heated windscreen relay -J47-
F33 40A Auxiliary air heater element -Z35- (Diesel)
R1 Main relay-J271- (Gasoline)
R2 High heat output relay -J360- (Diesel)
R3 –
R4 Horn relay -J413-
R5 –
R6 –
R7 –
R8 Low heat output relay -J359-
R11 Heated windscreen relay -J47-

Fuse Carrier 4

Fuse Box Diagram
Volkswagen Passat (B9; 2024 - 2025) - fuse and relay box diagram - fuse carrier 4
Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram – fuse carrier 4

 

Assignment of the fuses in the Fuse Carrier 4

№ Amp Function / component
A 400A Voltage converter, 48V / 12V -A7- (Models with 48-volt hybrid system)
Starter -B- (Models without 48-volt hybrid system)
B – –
C – –
D 40A ABS control unit -J104-
E 40A ABS control unit -J104-
F 40A Brake servo -NX6- (Left-hand drive)

Fuse Holder C

Fuse Box Diagram
Volkswagen Passat (B9; 2024 - 2025) - fuse and relay box diagram - instrument panel (fuse holder C)
Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram – instrument panel (fuse holder C)

 

Assignment of the fuses in the Fuse Holder C (instrument panel)

№ Amp Function / component
F1 – –
F2 – –
F3 25A Trailer detector control unit -J345-
F4 20A Control unit for reducing agent heater -J891- (Diesel)
F5 25A Parking lock sender -G747-
F6 30A Onboard supply control unit (interior lighting) -J519-
F7 30A Heater and air conditioning system control unit (front seat heating) -J979-
F8 20A Roof system control unit -J1355-
F9 30A Driver door control unit -J386- (For left-hand drive models)
Front passenger door control unit -J387- (For right-hand drive models)
Rear driver side window regulator motor -V471- (For left-hand drive models)
Rear passenger side window regulator motor -V472- (For right-hand drive models)
F10 – –
F11 15A Trailer detector control unit -J345-
F12 40A Onboard supply control unit (exterior lighting – right-side) -J519-
F13 40A Onboard supply control unit (central locking) -J519-
F14 30A Digital sound package control unit -J525-
F15 – –
F16 7.5A Airbag control unit -J234-
F17 – –
F18 7.5A Entry and start authorisation control unit -J518-
Driver exterior door handle -EX6- (For left-hand drive models)
Front passenger exterior door handle -EX7- (For right-hand drive models)
Control unit 2 for break-in protection -J1192-
Control unit 3 for break-in protection -J1193-
Control unit 4 for break-in protection -J1194-
Control unit 5 for break-in protection -J1195-
Control unit for electronic steering column lock -J764-
F19 7.5A Dash panel insert -KX2-
Emergency call module control unit and communication unit -J949-
F20 7.5A Internet access control unit -J666-
USB connection 1 -U41-
Telephone bracket -R126-
Transmission and reception stabilisation control unit -R308-
F21 7.5A Lane change assist control unit -J769-
Lane change assist control unit 2 -J770-
Driver side exterior mirror -VX4-
Passenger side exterior mirror -VX5-
Rear lid handle -EX37-
F22 7.5A Front camera for driver assist systems -R242-
Adaptive cruise control unit -J428-
Front left radar sensor control unit for object detection -J1088-
Front right radar sensor control unit for object detection -J1089-
F23 15A Front passenger seat adjustment operating unit -E471-
Front right seat backrest fan 1 -V516- (For models with seat ventilation)
Front right seat cushion fan 1 -V518- (For models with seat ventilation)
Front right seat depth adjustment fan -V725- (For models with seat ventilation)
Valve block 1 in front passenger seat -N477- (For seat adjustment with massage function)
Control unit for front right massage seat -J804- (For seat adjustment with massage function)
F24 – –
F25 25A Front seat belt on driver side -NX19- (For left-hand drive models)
Front seat belt on passenger side -NX18- (For right-hand drive models)
F26 30A Driver door control unit -J386- (For right-hand drive models)
Front passenger door control unit -J387- (For left-hand drive models)
Rear driver side window regulator motor -V471- (For right-hand drive models)
Rear passenger side window regulator motor -V472- (For left-hand drive models)
F27 25A Front seat belt on driver side -NX19- (For right-hand drive models)
Front seat belt on passenger side -NX18- (For left-hand drive models)
F28 – –
F29 15A Trailer detector control unit -J345-
F30 30A Control unit 1 for information electronics (Infotainment system scope) -J794-
F31 25A Trailer detector control unit -J345-
F32 25A Operating and display unit for rear air conditioning system (rear seat heating) -E265-
F33 15A Driver seat adjustment operating unit -E470-
Front left seat backrest fan 1 -V512- (For models with seat ventilation)
Front left seat cushion fan 1 -V514- (For models with seat ventilation)
Front left seat depth adjustment fan -V724- (For models with seat ventilation)
Control unit for front left massage seat -J803- (For seat adjustment with massage function)
Valve block 1 in driver seat -N475- (For seat adjustment with massage function)
F34 30A Voltage converter -A19-
F35 40A Onboard supply control unit (exterior lighting – left-side) -J519-
F36 40A Fresh air blower control unit -J126-
F37 30A Rear lid control unit -J605-
F38 – –
F39 10A Steering column electronics control unit -J527-
F40 7.5A Alarm horn -H12-
F41 7.5A Data bus diagnostic interface -J533-
F42 7.5A Selector mechanism -EX2-
Selector lever position display -Y5-
F43 10A Vehicle interior temperature sensor -G1090-
Remote control receiver for auxiliary heater -R64-
Heater and air conditioning system control unit -J979-
Operating and display unit for rear air conditioning system -E265-
Heated rear window relay -J9-
Tyre Pressure Monitoring System control unit -J502-
F44 7.5A Parking brake button -EX12-
Diagnostic connection -U31-
Front roof module -WX3-
Anti-theft alarm sensor -G578-
Operating unit for lighting -EX59-
Control unit for cornering light and headlight range control -J745-
Rain and light sensor -G397-
F45 7.5A Steering column electronics control unit -J527-
F46 7.5A Control unit for Head-up Display -J898-
Display unit for front information display and operating unit control unit -J685-
F47 10A Electronically controlled damping control unit -J250-
F48 7.5A USB charging socket in headlining -U104-
F49 – –
F50 – –
F51 – –
F52 20A Cigarette lighter, sockets:
12V socket 4 -U20-
12V socket 3 -U19-
F53 – –
F54 – –
F55 – –
F56 – –
F57 – –
F58 7.5A Parking aid control unit -J446-
F59 7.5A Parking brake button -EX12-
Automatic anti-dazzle interior mirror -Y7-
Air quality sensor -G238-
Pressure sender for refrigerant circuit -G805-
Reversing light switch -F4-
Relay for power sockets -J807-
Control unit for structure-borne sound -J869-
F60 7.5A Diagnostic connection -U31-
F61 – –
F62 – –
F63 – –
F64 – –
F65 – –
F66 15A Rear window wiper motor -V12-
F67 30A Heated rear window relay -J9-
R1 Relay for power sockets -J807-
R2 Terminal 15 voltage supply relay -J329-
R3 Heated rear window relay -J9-

Fitting location of individual fuses

Fuse Box Diagram (Left-hand drive vehicle)
Volkswagen Passat (B9; 2024 - 2025) - fuse and relay box diagram - individual fuses (LHD)
Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram – individual fuses (LHD)

 

Assignment of the fuses in the individual fuses (LHD)

№ Amp Function / component
A – –
B – –
C – –
D 15A Driver seat adjustment thermal fuse 2 -S45-
– Front left seat backrest fan 1 -V512-
– Front left seat cushion fan 1 -V514-
– Driver seat adjustment operating unit -E470-
– Seat and steering column adjustment control unit with memory -J136-
E 15A Front passenger seat adjustment thermal fuse 1 -S46-
– Front right seat backrest fan 1 -V516-
– Front right seat cushion fan 1 -V518-
– Front passenger seat adjustment operating unit -E471-
– Front passenger seat adjustment with memory control unit -J521-
F – –
H – –
G – –
I – –
J – –
K – –
L – –
M – –
N – –
O – –
P – –

Fuse Box Diagram (Right-hand drive vehicle)
Volkswagen Passat (B9; 2024 - 2025) - fuse and relay box diagram - individual fuses (RHD)
Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram – individual fuses (RHD)

 

Assignment of the fuses in the individual fuses (RHD)

№ Amp Function / component
A – –
B – –
C – –
D – –
E – –
F – –
G – –
H – –
I – –
J – –
K – –
L – –
M 15A Front passenger seat adjustment thermal fuse 1 -S46-
– Front left seat backrest fan 1 -V512-
– Front left seat cushion fan 1 -V514-
– Front passenger seat adjustment with memory control unit -J521-
– Front passenger seat adjustment operating unit -E471-
N 15A Driver seat adjustment thermal fuse 2 -S45-
– Front right seat backrest fan 1 -V516-
– Front right seat cushion fan 1 -V518-
– Seat and steering column adjustment control unit with memory -J136-
– Driver seat adjustment operating unit -E470-

Fuse for voltage converter (models with 48V hybrid system)

Fuse Box Diagram (Right-hand drive vehicle)
Volkswagen Passat (B9; 2024 - 2025) - fuse and relay box diagram - voltage converter
Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram – voltage converter

 

Assignment of the fuses for voltage converter

№ Amp Function / component
A 125A Fuse for voltage converter -S412-
– Battery, 48V -A6-
– Voltage converter (48V/12V) -A7-

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Seat Leon (mk4; 2021 – 2025) – fuse and relay box diagram

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Seat Leon (mk4; 2021 – 2025) – fuse and relay box diagram

Year of production: 2021, 2022, 2023, 2024, 2025

 

This article covers the fourth-generation SEAT Leon (KL1/KL8), produced from 2020 onward. It includes fuse box diagrams for the 2021, 2022, 2023, 2024 and 2025 models, details the locations of the fuse panels within the vehicle, and provides information on the function of each fuse (fuse layout).

Passenger Compartment Fuse Box

Fuse Box Location

The fuse box is located behind the cover on the driver’s side.

 

Fuse Box Diagram

Seat Leon (mk4; 2021 - 2025) - fuses and relay box diagram - passenger compartment
Seat Leon (mk4; 2021 – 2025) – fuses and relay box diagram – passenger compartment

 

Assignment of the fuses in the instrument panel

№ Consumers Amps
1 – –
2 – –
3 Trailer 25A
4 SCR, Adblue 20A
5 Automatic gearbox lever 25A
6 Interior light 30A
7 Heated seats 30A
8 Sunroof 20A
9 Left door 30A
11 Trailer 15A
12 Right lights 40A
13 Central locking 40A
14 External Ethernet Amplifier 30A
15 – –
16 Airbag 7.5A
17 SCR, engine relay, 1.5 10A
18 KESSY (keyless locking) 7.5A
19 Instrument panel 7.5A
20 Connectivity Box 7.5A
21 Rear camera 7.5A
22 – –
23 – –
24 4×4 Haldex Control Unit 15A
25 RGS+EBSS front seat belts 25A
26 Right door 30A
27 RGS+EBSS front seat belts 25A
28 PHEV, Switching off the high voltage system for rescue tasks, Identified by a yellow label 10A
29 Trailer 15A
30 Radio 30A
31 Trailer 25A
32 – –
33 – –
34 230V socket 30A
35 Left lights 40A
36 Air conditioner fan 40A
37 Electric rear lid 30A
38 – –
39 Heated steering wheel 10A
40 Alarm horn 7.5A
41 Gateway 7.5A
42 Automatic gearbox lever 7.5A
43 Air conditioning and heating control panel, rear window heating, AC compressor 10A
44 Diagnosis, handbrake switch, light switch, reverse light, interior lighting, lit-up door sill 7.5A
45 Steering column 7.5A
46 Radio display 7.5A
47 Driving mode 10A
48 USB 7.5A
49 – –
50 – –
51 – –
52 12V socket 20A
53 – –
54 – –
55 – –
56 – –
57 – –
58 Parking sensors, park distance control unit, front camera, radar 7.5A
59 Reverse switch, clima sensor, electrochromic mirror 7.5A
60 Diagnosis, headlight control unit, headlight adjuster 7.5A
61 Starter motor, clutch sensor 7.5A
62 – –
63 – –
64 – –
65 Sound amplifier 10A
66 Rear window wiper 15A
67 Heated rear window 30A
In-line fuses:
230V rear power sockets 30A
Electric driver’s seat

Engine Compartment Fuse Box

Fuse Box Diagram

Seat Leon (mk4; 2021 - 2025) - fuses and relay box diagram - engine compartment
Seat Leon (mk4; 2021 – 2025) – fuses and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment

№ Consumers Amps
1 – –
2 Engine control unit 7.5A
3 Fuel pump control unit 7.5A/10A/20A
4 Left headlight KL 30 Signal 15A
5 Right headlight KL 30 Signal 15A
6 – –
7 Automatic gearbox pump 30A
8 KL 30 Signal brake servo 40A
9 Horn 15A
10 Front windscreen washer 30A
11 PHEV Climate 7.5A
12 Automatic gearbox control unit 15A/30A
13 ESP control unit 25A
14 Auxiliary heater 20A
15 ESP control unit 40A
16 PHEV, Automatic gearbox unit 50A
17 PTC 40A
18 PTC 40A
19 – –
20 Front electronic differential 15A
21 Engine control unit 7.5A
22 Starter motor 30A
23 Engine control unit (diesel/petrol) 15A
24 Engine sensors 7.5A/10A
25 Engine sensors 7.5A/10A
26 Engine power supply 7.5A/10A/15A
27 Lambda probe 10A/15A
28 Engine 10A/20A
29 Fuel pump control unit 15A/20A/30A
30 Pressure pump 1.0 10A
31 – –
32 – –
33 PTC 40A

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Audi e-tron GT (2021 – 2025) – fuse and relay box diagram – US version

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Audi e-tron GT (2021 – 2025) – fuse and relay box diagram – US version

Year of production: 2021, 2022, 2023, 2024, 2025

 

The Audi e-tron GT, a battery-electric executive car, has been in production since 2020. In this article, you’ll find fuse box diagrams for the 2021, 2022, 2023, 2024 and 2025 models. You’ll also learn where the fuse panels are located within the vehicle and find detailed information on the fuse assignments (fuse layout).

 

Passenger compartment

Fuse box location

The fuses are located in the left and right footwells, as well as at the left and right front sides of the cockpit.

Left footwell fuse panel

Fuse Box Diagrams

Audi e-tron GT (2021 - 2025) - fuses and relay box diagram - passenger compartment (left footwell)
Audi e-tron GT (2021 – 2025) – fuses and relay box diagram – passenger compartment (left footwell)

 

Assignment of the fuses in the left footwell

№ Equipment
Fuse panel 1 (brown)
1 Heating circuit coolant pump
3 Thermal management
5 Vehicle electrical system control module
6 Vehicle electrical system control module
7 Light/rain/humidity sensor
8 Remote controlled parking
9 Roof electronics control module
10 Vehicle electrical system control module
12 Data exchange and telematics control module
Fuse panel 2 (red)
1 Driver assistance systems control module
2 Left rear door control module
3 Thermal management
4 Windshield wipers
5 Electronic Stabilization Control (ESC)
7 Left front safety belt
8 Vehicle electrical system control module
9 Vehicle electrical system control module
10 Left headlight
11 Left front door control module
12 Vehicle electrical system control module
Fuse panel 3 (white)
3 Vehicle electrical system control module
4 Diagnostic connection
6 Left front intersection assistant
7 Brake system pressure reservoir
8 Rearview mirror
9 Data exchange and telematics control module
10 Power supply
11 Power supply

 

Right footwell fuse panel

Fuse Box Diagrams

Audi e-tron GT (2021 - 2025) - fuses and relay box diagram - passenger compartment (right footwell)
Audi e-tron GT (2021 – 2025) – fuses and relay box diagram – passenger compartment (right footwell)

 

Assignment of the fuses in the right footwell

№ Equipment
Fuse panel 4 (brown)
1 Vehicle electrical system control module
3 Vehicle electrical system control module
4 Windshield wipers
5 Vehicle electrical system control module
6 Right rear door control module
7 Driver assistance systems control module
8 Right front door control module
9 Airbag control module
10 Right front safety belt
11 Remote controlled parking
12 Vehicle electrical system control module
Fuse panel 5 (red)
1 Diagnostic interface
3 Thermal management
4 Right headlight
5 Vehicle electrical system control module
6 Vehicle electrical system control module
7 Night vision assist control module
8 Driver assistance systems front camera
9 Rear climate control system control panel
11 Right front intersection assistant
Fuse panel 6 (white)
1 Diagnostic connection
2 Diagnostic interface
3 Brake system pressure reservoir
4 Vehicle electrical system control module
5 Front power electronics control module
6 Ionizer
7 Power supply
8 Power supply
9 Voltage converter
10 Power steering
12 Adaptive cruise assist

 

Left cockpit fuse panel

Fuse Box Diagrams

Audi e-tron GT (2021 - 2025) - fuses and relay box diagram - passenger compartment (left cocpit)
Audi e-tron GT (2021 – 2025) – fuses and relay box diagram – passenger compartment (left cocpit)

 

Assignment of the fuses in the left cockpit

№ Equipment
Fuse panel 1 (black)
1 Front climate control system control panel
2 Light switch
3 Climate control system control module
4 Head-up display control module
5 Steering column electronics
6 Steering column adjustment
8 Instrument cluster
11 Rear climate control system control panel
12 Steering column electronics, steering wheel heating

 

Right cockpit fuse panel

Fuse Box Diagrams

Audi e-tron GT (2021 - 2025) - fuses and relay box diagram - passenger compartment (right cocpit)
Audi e-tron GT (2021 – 2025) – fuses and relay box diagram – passenger compartment (right cocpit)

 

Assignment of the fuses in the right cockpit

№ Equipment
Fuse panel 2 (brown)
1 Audi phone box
2 Infotainment system
3 Center display, volume control
4 Audi connect apps control module
5 Audi music interface
6 Climate control system blower
8 Selector lever positions
12 Diagnostic connection

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Ford F-750 (2024 – 2025) – fuse and relay box diagram

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Ford F-750 (2024 – 2025) – fuse and relay box diagram

Year of production: 2024, 2025

 

This article focuses on the facelifted eighth-generation Ford F-650 and F-750, produced from 2021 to the present. It includes fuse box diagrams for the 2024 and 2025 models, provides information on the locations of the fuse panels within the vehicle, and outlines the function and layout of each fuse.

 

Passenger compartment

Fuse box location

The fuse panel is in the passenger footwell. Remove the panel cover to access the fuses.

 

Fuse Box Diagrams

Ford F-750 (2024 - 2025) - fuses and relay box diagram - passenger compartment
Ford F-750 (2024 – 2025) – fuses and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment fuse box

№ Rating Protected Component
1 — Not used.
2 10 A Right-hand and left-hand front door lock switch, Telescopic mirror switch, Right-hand and left-hand front window switch (two window units), Right-hand and left-hand front window motor. Inverter.
3 7.5 A Power mirror switch.
4 20 A Ancillary translator module.
5 — Not used.
6 — Not used.
7 10 A Smart data link connector power, Air brake diagnostic connector.
8 — Not used.
9 — Not used.
10 — Not used.
11 — Not used.
12 7.5 A Smart data link connector.
13 7.5 A Instrument Cluster, Steering column control module.
14 — Not used.
15 15 A Climate control module.
16 — Not used.
17 — Not used.
18 7.5 A Yaw sensor, Electronic stability control and non-electric stability control.
19 5 A Telematics control unit module.
20 5 A Ignition switch.
21 — Not used.
22 — Not used.
23 30 A Left-hand front window motor.
24 — Not used.
25 — Not used.
26 30 A Right-hand front motor window.
27 — Not used.
28 — Not used.
29 15 A Relay folding mirror.
30 5 A Brake signal for air brake, Customer access stop lamp signal, Brake on-off isolation relay, Trailer tow stop lamp relay.
31 10 A Upfitter interface module, Remote radio frequency receiver.
32 20 A Radio.
33 — Not used.
34 — Not used.
35 5 A Tow haul switch.
36 15 A Lane departure warning camera, Mirror display
37 — Not used.
38 30 A Left-hand front power window switch (four window units).

 

Engine Compartment Fuse Box

Fuse Box Diagrams

Ford F-750 (2024 - 2025) - fuses and relay box diagram - engine compartment
Ford F-750 (2024 – 2025) – fuses and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment fuse box

№ Rating Protected Component
1 20 A Horn.
2 40 A Blower motor.
Blower motor control.
3 20 A Upfit – frame.
4 30 A Starter motor.
5 — Not used.
6 20 A Upfitter relay 4.
8 — Not used.
10 — Not used.
12 — Not used.
13 10 A Run/start spare. rear view camera.
14 10 A Adaptive cruise control.
15 10 A Blower motor relay.
16 20 A Air dryer.
17 10 A Powertrain control module – ignition status run power, Glow plug control module – ignition status run power (diesel).
18 10 A Anti-lock brake system run/start.
19 10 A Transmission control module – Ignition status run power (diesel).
20 30 A Windshield wiper motor.
21 — Not used.
22 — Not used.
23 — Not used.
24 40 A Body control module run power 2 bus.
25 50 A Body control module run power 1 bus.
26 — Not used.
27 20 A Upfitter battert feed.
28 — Not used.
29 10 A Glow plug relay coil.
30 — Not used.
31 60 A Hydromax pump.
32 20 A Powertrain control module.
33 20 A Heater exhaust gas oxygen sensor 11 (gas), Heater exhaust gas oxygen sensor 12 (gas), Heater exhaust gas oxygen sensor 21 (gas), Canister vent solenoid (gas), Canister purge solenoid (gas), Variable camshaft timing actuator 11 (gas), Exhaust gas recirculation cooling bypass valve (diesel).
34 10 A A/C clutch relay (disel), Variable oil pump (diesel), Cooling fan (diesel), Exhaust brake switch (diesel), Variable oil pressure control (gas), Customer access vehicle power 3 feed.
35 20 A Coil on plug (gas), Nitrogen oxide sensor control module feedgas (diesel), Nitrogen oxide sensor control module midbed (diesel), Nitrogen oxide sensor control module tailpipe (diesel), Particulate matter sensor (diesel)
36 10 A Fuel volume control value (diesel), Fuel pressure regulator (diesel), Transmission control modile (diesel)
37 — Not used.
38 — Not used.
39 — Not used.
41 30 A Trailer brake control module.
43 30 A Upfitter spare.
45 — Not used.
46 10 A A/C clutch solenoid.
47 40 A Upfitter relay 1.
48 20 A Upfitter run and accessory feed.
49 30 A Pump electronics module (gas), Fuel pump (diesel).
50 15 A Injector power (gas).
51 20 A Power point #1.
52 — Not used.
53 30 A Trailer tow park lamp.
54 — Not used.
55 20 A Upfitter relay 3.
56 — Not used.
58 5 A USB power.
59 10 A U-Haul park lamps.
60 10 A Dual fuel tank selector switch (diesel).
61 — Not used.
62 — Not used.
63 20 A Driver seat compressor.
64 20 A Passenger seat compressor.
65 10 A Upfitter – run activate feed.
66 10 A Four pack solenoid differential lock.
67 10 A Hydromax relay power.
69 — Not used.
70 40 A Inverter.
71 30 A Anti-lock brake system valves.
72 10 A Brake on-off switch (hydraulic brakes), Stop lamp air pressure switch 1 and 2 (air brakes).
73 — Not used.
74 15 A Heated mirror.
75 — Not used.
76 60 A Body control module battery feed.
77 30 A Body control module voltage quality monitor power feed.
78 10 A Transmission module (diesel).
79 5 A Hydromax pump monitor.
80 10 A Trailer tow backup signal.
81 — Not used.
82 5 A Upfitter switch (factory location for ignition power).
83 5 A Upfitter switch (optional location for power at all times).
84 — Not used.
85 — Not used.
86 — Not used.
87 — Not used.
88 10 A Cargo lamps.
89 20 A Urea line heater.
91 40 A Upfitter – B-pillar.
93 — Not used.
94 — Not used.
95 20 A Stop lamps, Trailer tow stop lamps.
96 20 A Urea line heater.
97 — Not used.
98 30 A Trailer tow battery charge.
99 40 A Upfitter relay 2.
100 20 A Urea valves.
101 — Not used.
102 — Not used.
103 — Not used.
104 — Not used.
105 15 A Trailer tow stop and turn relay.

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Ford F-650 (2024 – 2025) – fuse and relay box diagram

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Ford F-650 (2024 – 2025) – fuse and relay box diagram

Year of production: 2024, 2025

 

This article focuses on the facelifted eighth-generation Ford F-650 and F-750, produced from 2021 to the present. It includes fuse box diagrams for the 2024 and 2025 models, provides information on the locations of the fuse panels within the vehicle, and outlines the function and layout of each fuse.

 

Passenger compartment

Fuse box location

The fuse panel is in the passenger footwell. Remove the panel cover to access the fuses.

 

Fuse Box Diagrams

Ford F-650 (2024 - 2025) - fuses and relay box diagram - passenger compartment
Ford F-650 (2024 – 2025) – fuses and relay box diagram – passenger compartment

 

Assignment of the fuses in the passenger compartment fuse box

№ Rating Protected Component
1 — Not used.
2 10 A Right-hand and left-hand front door lock switch, Telescopic mirror switch, Right-hand and left-hand front window switch (two window units), Right-hand and left-hand front window motor. Inverter.
3 7.5 A Power mirror switch.
4 20 A Ancillary translator module.
5 — Not used.
6 — Not used.
7 10 A Smart data link connector power, Air brake diagnostic connector.
8 — Not used.
9 — Not used.
10 — Not used.
11 — Not used.
12 7.5 A Smart data link connector.
13 7.5 A Instrument Cluster, Steering column control module.
14 — Not used.
15 15 A Climate control module.
16 — Not used.
17 — Not used.
18 7.5 A Yaw sensor, Electronic stability control and non-electric stability control.
19 5 A Telematics control unit module.
20 5 A Ignition switch.
21 — Not used.
22 — Not used.
23 30 A Left-hand front window motor.
24 — Not used.
25 — Not used.
26 30 A Right-hand front motor window.
27 — Not used.
28 — Not used.
29 15 A Relay folding mirror.
30 5 A Brake signal for air brake, Customer access stop lamp signal, Brake on-off isolation relay, Trailer tow stop lamp relay.
31 10 A Upfitter interface module, Remote radio frequency receiver.
32 20 A Radio.
33 — Not used.
34 — Not used.
35 5 A Tow haul switch.
36 15 A Lane departure warning camera, Mirror display
37 — Not used.
38 30 A Left-hand front power window switch (four window units).

 

Engine Compartment Fuse Box

Fuse Box Diagrams

Ford F-650 (2024 - 2025) - fuses and relay box diagram - engine compartment
Ford F-650 (2024 – 2025) – fuses and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment fuse box

№ Rating Protected Component
1 20 A Horn.
2 40 A Blower motor.
Blower motor control.
3 20 A Upfit – frame.
4 30 A Starter motor.
5 — Not used.
6 20 A Upfitter relay 4.
8 — Not used.
10 — Not used.
12 — Not used.
13 10 A Run/start spare. rear view camera.
14 10 A Adaptive cruise control.
15 10 A Blower motor relay.
16 20 A Air dryer.
17 10 A Powertrain control module – ignition status run power, Glow plug control module – ignition status run power (diesel).
18 10 A Anti-lock brake system run/start.
19 10 A Transmission control module – Ignition status run power (diesel).
20 30 A Windshield wiper motor.
21 — Not used.
22 — Not used.
23 — Not used.
24 40 A Body control module run power 2 bus.
25 50 A Body control module run power 1 bus.
26 — Not used.
27 20 A Upfitter battert feed.
28 — Not used.
29 10 A Glow plug relay coil.
30 — Not used.
31 60 A Hydromax pump.
32 20 A Powertrain control module.
33 20 A Heater exhaust gas oxygen sensor 11 (gas), Heater exhaust gas oxygen sensor 12 (gas), Heater exhaust gas oxygen sensor 21 (gas), Canister vent solenoid (gas), Canister purge solenoid (gas), Variable camshaft timing actuator 11 (gas), Exhaust gas recirculation cooling bypass valve (diesel).
34 10 A A/C clutch relay (disel), Variable oil pump (diesel), Cooling fan (diesel), Exhaust brake switch (diesel), Variable oil pressure control (gas), Customer access vehicle power 3 feed.
35 20 A Coil on plug (gas), Nitrogen oxide sensor control module feedgas (diesel), Nitrogen oxide sensor control module midbed (diesel), Nitrogen oxide sensor control module tailpipe (diesel), Particulate matter sensor (diesel)
36 10 A Fuel volume control value (diesel), Fuel pressure regulator (diesel), Transmission control modile (diesel)
37 — Not used.
38 — Not used.
39 — Not used.
41 30 A Trailer brake control module.
43 30 A Upfitter spare.
45 — Not used.
46 10 A A/C clutch solenoid.
47 40 A Upfitter relay 1.
48 20 A Upfitter run and accessory feed.
49 30 A Pump electronics module (gas), Fuel pump (diesel).
50 15 A Injector power (gas).
51 20 A Power point #1.
52 — Not used.
53 30 A Trailer tow park lamp.
54 — Not used.
55 20 A Upfitter relay 3.
56 — Not used.
58 5 A USB power.
59 10 A U-Haul park lamps.
60 10 A Dual fuel tank selector switch (diesel).
61 — Not used.
62 — Not used.
63 20 A Driver seat compressor.
64 20 A Passenger seat compressor.
65 10 A Upfitter – run activate feed.
66 10 A Four pack solenoid differential lock.
67 10 A Hydromax relay power.
69 — Not used.
70 40 A Inverter.
71 30 A Anti-lock brake system valves.
72 10 A Brake on-off switch (hydraulic brakes), Stop lamp air pressure switch 1 and 2 (air brakes).
73 — Not used.
74 15 A Heated mirror.
75 — Not used.
76 60 A Body control module battery feed.
77 30 A Body control module voltage quality monitor power feed.
78 10 A Transmission module (diesel).
79 5 A Hydromax pump monitor.
80 10 A Trailer tow backup signal.
81 — Not used.
82 5 A Upfitter switch (factory location for ignition power).
83 5 A Upfitter switch (optional location for power at all times).
84 — Not used.
85 — Not used.
86 — Not used.
87 — Not used.
88 10 A Cargo lamps.
89 20 A Urea line heater.
91 40 A Upfitter – B-pillar.
93 — Not used.
94 — Not used.
95 20 A Stop lamps, Trailer tow stop lamps.
96 20 A Urea line heater.
97 — Not used.
98 30 A Trailer tow battery charge.
99 40 A Upfitter relay 2.
100 20 A Urea valves.
101 — Not used.
102 — Not used.
103 — Not used.
104 — Not used.
105 15 A Trailer tow stop and turn relay.

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Lincoln Corsair (2023 – 2025) – fuse and relay  box diagram

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Lincoln Corsair (2023 – 2025) – fuse and relay  box diagram

Year of production: 2023, 2024, 2025

The Lincoln Corsair, a compact premium crossover, has been in production since 2020. In this article, you’ll find fuse box diagrams for the 2023, 2024 and 2025 Lincoln Corsair, details on where the fuse panels are located within the vehicle, and information on the function of each fuse (fuse layout).

 

Engine compartment fuse box

Fuse box diagram

Lincoln Corsair (2023 - 2025) - fuse and relay box diagram - engine compartment fuse box
Lincoln Corsair (2023 – 2025) – fuse and relay box diagram – engine compartment fuse box

 

Assignment of the fuses in the engine compartment (2023 – 2025)

No. A Description
1 — Not used
2 30A Rear defrost
3 10A Not usesd (spare)
4 50A Electric water pump (hybrid)
5 — Not used
6 — Not used
7 40A Driveline control module
8 — Not used
9 30A Second row seat release
10 — Not used
11 15A Powertrain control module
12 15A Powertrain control module
13 15A Powertrain control module
14 15A Powertrain control module
15 10A Vehicle dynamics module.
16 — Not used
17 15A Heated wiper park
18 10A Air conditioning clutch
19 — Not used
20 5A DC/DC converter (hybrid)
21 10A Battery charge control module (hybrid)
22 5A Adaptive cruise control
23 5A Charge port light ring (hybrid)
24 5A Battery electronic control module (hybrid)
25 25A Left-hand enhanced exterior lighting module
26 25A Right-hand enhanced exterior lighting module
27 5A Powertrain control module (hybrid)
28 10A Anti-lock brake system module
29 10A Powertrain control module
30 10A Electronic stability control
Transmission oil pump
31 5A Electronic power assist steering
32 30A Body control module
33 10A Advanced Driver Assistance System (ADAS).
34 10A Headlamp leveling
35 15A Heated steering wheel
36 10A Powertrain control module (hybrid)
37 20A Horn
38 40A Blower motor
39 — Not used
40 10A USB smart charger.
41 20A Amplifier
42 30A Driver power seat
43 40A Anti-lock brake control valves
44 40A Not used (spare)
45 30A Passenger power seat
46 20A Not used (spare)
47 20A Heated seats
48 30A Power liftgate
49 60A Anti-lock brake control pump
50 60A Cooling fan
51 30A Moonroof
52 5A USB charge port – rear console
53 5A USB charge port – rear console
54 20A Rear heated seat module
55 30A Starter motor
56 20A Amplifier
57 10A Data link connector
58 30A Climate controlled seat module
59 40A Body control module
60 20A Rear window washer pump.
61 — Not used
62 — Not used
63 — Not used
64 — Not used
65 — Not used
66 — Not used
67 — Not used
68 5A Mass air flow and intake air temperature sensor
69 15A Port fuel injectors
70 20A Rear cargo power point
71 20A Rear console power point
72 20A Rear window wiper
73 — Not used
74 30A Windshield wiper motor
75 20A Not used (spare)
76 — Not used
77 — Not used
78 15A Multi-contour seats
79 10A Not used (spare)
80 20A Fuel pump
81 10A Not used (spare)
82 40A Not used (spare)
83 — Not used
84 40A Auxiliary power distribution box (hybrid)
85 5A Rain sensor
86 — Not used
87 — Not used
88 — Not used

Passenger compartment fuse box

Fuse box diagram

Lincoln Corsair (2023 - 2025) - fuse and relay box diagram - passenger compartment fuse box
Lincoln Corsair (2023 – 2025) – fuse and relay box diagram – passenger compartment fuse box

 

Assignment of the fuses in the passenger compartment (2023 – 2025)

No. A Description
1 5 —
2 5 Rear heated seats
3 10 Not used (spare)
4 10 Ignition switch
5 20 Lock/Unlock
6 10 Moonroof
7 30 Passenger door module
8 5 Parking assist control module
9 5 Electrochromatic mirror, Image processing module A
10 10 Extended power module
11 5 Power liftgate, Hands-free liftgate actuation module, Telematics control unit module
12 5 Keyless keypad switch
13 15 Driver door lock
14 30 Driver door module
15 15 Extended power module
16 15 Vehicle dynamics module
17 15 SYNC, Receiver transceiver module, Integrated control panel
18 7.5 Driver power seat switch, Passenger power seat switch, Wireless accessory charging module, Selectable drive mode switch
19 7.5 Headlamp switch pack, Telematics control unit module, Bluetooth low energy module
20 10 —
21 7.5 Climate control, E-shifter module
22 7.5 Instrument cluster, Gateway module, Steering column control module
23 20 Audio unit
24 20 Head up display

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Mazda CX-50 (2023 – 2025) – fuse and relay box diagram

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Mazda CX-50 (2023 – 2025) – fuse and relay box diagram

Year of production: 2023, 2024, 2025

 

The Mazda CX-50 compact crossover has been available from 2023 to the present. In this guide, you will find fuse box diagrams for the 2023 and 2024 Mazda CX-50 models, details on the locations of the fuse panels within the vehicle, and information about the function and layout of each fuse.

 

Passenger Compartment Fuse Panel

Fuse Box Location

The fuses are located behind the cover on the vehicle’s left side.

Mazda CX-50 - fuse and relay box location - passenger compartment
Mazda CX-50 – fuse and relay box location – passenger compartment

 

Fuse Box Diagram

Mazda CX-50 - fuse and relay box diagram - passenger compartment
Mazda CX-50 – fuse and relay box diagram – passenger compartment

 

Assignment of the fuses in the instrument panel 

№ Amps PROTECTED COMPONENT
F1 – –
F2 – –
F3 20A Front seat warmer
F4 15A Power door locks (Driver)
F5 15A Power door locks (Passenger)
F6 20A Rear seat warmer
F7 25A Power liftgate
F8 30A Power seat (Passenger)
F9 30A Power windows (Driver)
F10 30A Power windows (Passenger)
F11 30A Power seat (Driver)
F12 – –
F13 15A Audio
F14 25A Audio
F15 15A Liftgate lock
F16 15A Illumination
F17 10A Brake lights
F18 10A Reverse lights
F19 10A Rear turn signal lights
F20 10A Taillights
F21 10A Taillights
F22 7.5A Air bag
F23 – –

Engine Compartment Fuse Box

Fuse Box Location

Mazda CX-50 - fuse and relay box location - engine compartment
Mazda CX-50 – fuse and relay box location – engine compartment

 

Fuse Box Diagram

Mazda CX-50 - fuse and relay box diagram - engine compartment
Mazda CX-50 – fuse and relay box diagram – engine compartment

 

Assignment of the fuses in the engine compartment

№ Amps PROTECTED COMPONENT
F1 – –
F2 20A Windshield wiper de-icer
F3 30A Engine control system
F4 20A S-VT
F5 40A Engine control system
F6 – –
F7 20A Fuel pump
F8 15A Engine control system
F9 15A Transmission control system
F10 10A Engine control system
F11 7.5A Air conditioner
F12 15A Engine control system
F13 – –
F14 15A Electric water pump
F15 – –
F16 15A For protection of various circuits
F17 – –
F18 15A For protection of various circuits
F19 60A Power steering system
F20 15A Headlight (LH) 1
F21 15A Headlight (RH) 1
F22 15A Keyless system
F23 30A ABS, Dynamic stability control system
F24 15A Headlight (LH) 2
F25 15A Headlight (RH) 2
F26 7.5A On board diagnostics
F27 25A For protection of various circuits
F28 25A For protection of various circuits
F29 15A Windshield washer
F30 15A Accessory sockets
F31 15A Horn
F32 – –
F33 – –
F34 – –
F35 50A ABS, Dynamic stability control system
F36 – –
F37 30A Rear window defogger
F38 50A For protection of various circuits
F39 – –
F40 40A Air conditioner
F41 30A Audio
F42 20A Windshield wipers
F43 30A Cooling fan
F44 30A Starter
F45 10A Engine control system
F46 15A Audio
F47 15A For protection of various circuits
F48 7.5A Air bag
F49 15A Instrument cluster
F50 15A Room light
F51 15A Panorama sunroof
F52 15A Panorama sunroof
F53 15A Engine control system
F54 15A i-ACTIVSENSE
F55 50A For protection of various circuits
F56 – –

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.