Buick LaCrosse (2017) – fuse box diagram

Buick LaCrosse (2017) – fuse box diagram

Year of production: 2017

Engine Compartment Fuse Block

Buick LaCrosse - fuse box - engine compartment
Buick LaCrosse – fuse box – engine compartment
Fuses Usage
1
2
3 ABS pump
5 AC DC inverter
6 Rear closure
7 Left corner lamp
8 Power windows/ Rearview mirror/ Power seats
9 Engine boost
10 Semi-active damping system
11 DC DC Battery 1
12 Rear window defogger
13 Heated mirrors
14
15 Passive entry/ Passive start
16 Front wipers
17 Passenger power seat
18 ABS valve
19 Driver power sea
21 Sunroof
22 Right corner lamp
23 Auto headlamp leveling
24
26 Transmission control module/Ignition
27 Instrument panel/ Ignition
28 Electronic precision shift/Ignition
29 Rear vision camera/ Ventilation
30 Malfunction indicator lamp/Shift solenoid
32 Canister vent solenoid
33 Front heated seats
34 Rear heated seat/ Vehicle body safety module/Energy storage system fan
35 Fog lamps
36 Fuel module
38
39
40 Steering columnn lock
41
43 Heated steering wheel
44 Headlamp leveling/ Rear seat ventilation
45
46 Engine control module/Ignition
47
48 Engine boost/Left cooling fan
49 DC DC battery 2/AWD
50
51
52
53
54
55
56
57 Transmission auxiliary pump
58 TRCM
59 High-beam headlamps
60 Cooling fan
61
62
63
65 A/C HEV
67
68
69 Right HID low-beam headlamps
70 Left HID low-beam headlamps
72 Starter pinion
74 Starter motor
75 Engine control module
76 Powertrain – off engine
77
78 Horn
79 Washer pump
81 Transmission control module/ Engine control module
82
83 Ignition coils
84 Powertrain – on engine
85 Engine control module switch 2
86 Engine control module switch 1
87 SAI reaction pump
88 Aeroshutter
89 Headlamp washer
91
91 TPIM motor generator unit pump
95 Headlamp leveling
96 Fuel heater
97
99 Coolant pump

 

Relays Usage
4 AC DC inverter
20 Rear defogger
25 Front wiper control
31 Run/Crank
37 Front wiper speed
42 Transmission auxiliary pump
64 A/C control
66 Powertrain
71 HID low-beam headlamps
73 Starter motor
80 Starter pinion
90 SAI reaction solenoid
94 Headlamp washer
98 SAI reaction pump

Instrument Panel Fuse Block

The instrument panel fuse block is in the instrument panel, on the driver side of the vehicle.

Buick LaCrosse - fuse box - instgrument panel
Buick LaCrosse – fuse box – instgrument panel
Fuses Usage
F1 Left window
F2 Right window
F3
F4 HVAC blower
F5 Battery 2
F6 Electric steering column
F7
F8 Battery 3
F9 Engine control module/Battery
F10 Body control module 2 On/Off
F11
F12
F13
F14
F15 Transmission control module On/Off
F16 Amplifier
F17
F18 Battery 7
F19
F20 Battery 1
F21 Battery 4
F22 Battery 6
F23 Electric steering column lock
F24 Sensing and diagnostic module
F25 Diagnostic link
F26
F27 AC DC inverter
F28
F29 Body control module 8
F30 Overhead console
F31 Steering wheel control
F32
F33 HVAC
F34 Center gateway module
F35 Integrated chassis control module
F36 Charger
F37 Auxiliary power outlet/Cigar lighter
F38 OnStar
F39 Monitor
F40 Object detection
F41 Body control module 1 On/Off
F42 Radio
F43 Circuit breaker 1
F44 Circuit breaker 2
K1
K2 Retained accessory power
K3
K4
K5 Logistics

 

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

Buick Envision (2016 – 2017) – fuse box diagram

Buick Envision (2016 – 2017) – fuse box diagram

Year of production: 2016, 2017

Engine Compartment Fuse Block

Buick Envision - fuse box - engine compartment
Buick Envision – fuse box – engine compartment
Fuses Usage
F01 Starter 1
F02 Starter 1
F03 Non walk
F04 Engine control module
F05 Flex fuel
F06 –/Transmission control module
F07
F08 Engine control module
F09 A/C
F10 Canister vent solenoid
F11 Fuel pump
F12 Heated seats
F13 Engine coolant pump
F14
F15 O2 sensor
F16 Ignition coils – odd
F17 Ignition coils – even
F18
F19
F20 DC DC/Transmission
F21 Liftgate
F22 ABS
F23 Washer pump
F24 Headlamp washer
F25
F26 Transmission oil pump
F27 ABS
F28
F29 Rear window defogger
F30 Mirror defogger
F31
F32 Various low current functions/Circuit 39 splice
F33
F34 Horn
F35
F36 Right high-beam headlamp
F37 Left high-beam headlamp
F38 Automatic headlamp leveling
F39 Front fog lamps
F40 Transmission oil pump
F41 Passenger seat ventilation
F42 Headlamp position
F43
F44 Interior rearview mirror
F45
F46 Driver seat ventilation
F47 Electric steering column lock
F48 Rear wiper
F49
F50
F51 Right daytime running lamp
F52 Engine control module/ Transmission control module
F53
F54
F55 Front wiper
F56
F57 Left daytime running lamp
K01 Start/Stop
K02 A/C clutch
K03 Engine control module
K04 Wiper
K05 Start solenoid
K06
K07
K08 Transmission oil pump
K09 Wiper speed
K10 Starter
K11 Headlamp washers
K12 High-beam headlamps
K13 Daytime running lamps
K14 Run/Crank
K15 Rear window/Mirror defogger

Instrument Panel Fuse Block

The instrument panel fuse block is in the glove box.

Buick Envision - fuse box - instrument panel
Buick Envision – fuse box – instrument panel
Fuses Usage
F1
F2 Front HVAC blower
F3 Power seat
F4 Lighter (China only)
F5
F6 Front power windows
F7
F8 Accessory power outlet
F9 Body control module 8
F10 Rear power windows
F11
F12 Sunroof
F13 Front heated seats
F14 Exterior rearview mirror
F15 Body control module 3
F16
F17 Body control module 6
F18 Body control module 7
F19 Data link connector
F20 SDM
F21 HVAC
F22 Liftgate release
F23 Passive entry/ Passive start
F24 OCC sensor
F25 Steering wheel controls
F26 Ignition
F27 Body control module 4
F28 Transmission control module
F29 Body control module 2
F30 USB
F31 Rear HVAC blower
F32 Body control module 1
F33 Universal remote system
F34 Parking assist
F35 OnStar
F36 Display
F37 Radio

Rear Compartment Fuse Block

The rear compartment fuse block is behind a cover on the left side of the rear compartment.

Buick Envision - fuse box - rear compartment
Buick Envision – fuse box – rear compartment
Fuses Usage
F1
F2 DC AC
F3
F4 Passenger power seat
F5 Memory seat module
F6
F7 Amplifier
F8 Rear accessory power outlet
F9 Rear heated seat
F10 Logistics relay
F11 Rear HVAC
F12 Power liftgate HF sensor
F13 Parking/Trailer lamps
F14 Side blind zone alert
F15 Left parking lamp
F16 Right parking lamp
F17 Body control module 6
F18 Heated steering wheel
F19 AWD
F20 Lumbar sea
F21 Rear heated seat
F22 Rear drive control module
F23 Trailer left turn signal lamp
F24 Trailer right turn signal lamp
K1 Parking lamps
K2
K3 Ignition
K4 Logistics
K5 DC AC
K6
K7 Parking assist
K8 Right turn
K9 Left turn
K10

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

Buick Encore (2013 – 2015) – fuse box diagram

Buick Encore (2013 – 2015) – fuse box diagram

Year of production: 2013, 2014, 2015

Engine Compartment Fuse Block

Buick Encore - fuse box - engine compartment
Buick Encore – fuse box – engine compartment
Mini Fuses Usage
1 Sunroof
2 Outside Rearview Mirror Switch
3 Canister vent solenoid
4 Not used
5 Electronic brake control module valve
6 Not Used
7 Not used
8 Transmission control module battery
9 BCM Regulated Voltage Control
10 Fuel System Control Module R/C/ Headlamp Leveling
11 Rear wiper
12 Rear window defogger
13 Not used
14 Outside Rearview Mirror Heater
15 Fuel system control module battery
16 Heated seat module/ Memory module
17 Transmission Control Module R/C
18 Engine Control Module R/C
19 Fuel pump
20 Not used
21 Fan Relay (Auxiliary Fuse Block)
22 Not used
23 Ignition coil/ Injector
24 Washer pump
25 Not used
26 Canister Purge Solenoid/Water Valve Solenoid/ Oxygen Sensors – Pre and Post/Turbo Wastegate Solenoid (1.4L)/Turbo Bypass Solenoid (1.4L)
27 Not Used
28 Not Used
29 Engine Control Module Powertrain Ignition 2
30 Mass Air Flow Sensor
31 Left high-beam headlamp
32 Right high-beam headlamp
33 Engine control module battery
34 Horn
35 Air Conditioning Compressor Clutch
36 Front fog lamps

 

J-Case Fuses Usage
1 Electronic brake control module pump
2 Front wipe
3 Blower Motor
4 IEC RC
5 Not Used
6 Not Used
7 Not Used
8 Cooling Fan Low/Mid
9 Cooling Fan High
10 EVP
11  Starter Solenoid

 

U-Micro Relays Usage
2 Not Used
4 Spare

 

HC-Micro Relays Usage
7 Starter

 

Mini Relays Usage
1 Run/Crank
3 Cooling fan – mid
5 Powertrain relay
8 Cooling fan – low

 

HC-Mini Relays Usage
6 Cooling fan – high

Auxiliary Fuse Block

Buick Encore - fuse box - auxiliary fuse block
Buick Encore – fuse box – auxiliary fuse block
Relays Usage
RLY01 Electric vacuum pump
RLY02 Cooling fan control 1
RLY03 Cooling fan control 2
RLY04 Trailer N/A

Instrument Panel Fuse Block

The instrument panel fuse block is on the underside of the driver side instrument panel.

Buick Encore - fuse box - instrument panel
Buick Encore – fuse box – instrument panel
Fuses Usage
F1 Body control module 1
F2 Body control module 2
F3 Body control module 3
F4 Body control module 4
F5 Body control module 5
F6 Body control module 6
F7 Body control module 7
F8 Body control module 8
F9 Discrete logic ignition switch
F10 Sensing Diagnostic Module Battery
F11 Data link connector
F12 Heater, Ventilation, and Air Conditioning MDL/ICS
F13 Liftgate relay
F14 UPA Module
F15 LDW Module/Inside Rearview Mirror
F16 Adaptive forward lighting module
F17 Power WNDWSW DR
F18 Rain Sensor
F19 Body Control Module Regulated Voltage Contro
F20 Steering Wheel Switch Backlighting
F21 A/C Accessory Power Outlet/ PRND
F22 Cigar Lighter/DC Accessory Power Outle
F23 Spare
F24 Spare
F25 Spare
F26 Automatic Occupant Sensing Display
F27 IPC/PTC Control/ Clutch Switch
F28 Headlamp Switch/ AFL/DC Converter
F29 Spare
F30 Spare
F31 IPC Battery
F32 Radio/Chime/ Aux Jack
F33 Display/Faceplate
F34 OnStar/UHP/DAB

 

Midi Fuses Usage
M01  PTC

 

S/B Fuses Usage
S/B01 Spare
S/B02 Spare
S/B03 Power Window Motor Front
S/B04 Power Window Motor Rear
S/B05 Logistic mode relay
S/B06 Spare
S/B07 Spare
S/B08 Spare

 

Circuit Breaker Usage
CB1 Spare

 

Relay Usage
RLY01 Accessory/Retained accessory power
RLY02 Liftgate
RLY03 Spare
RLY04 Spare
RLY05 Logistic mode

Rear Compartment Fuse Block

The rear compartment fuse block is behind a cover on the driver side of the rear compartment.

Buick Encore - fuse box - rear compartment
Buick Encore – fuse box – rear compartment
Mini Fuses Usage
F1 Driver Seat Power Lumbar Switch
F2 Passenger Seat Power Lumbar Switch
F3 Amplifier
F4 Trailer Socket (N/A)
F5 All-Wheel Drive Module
F6 Automatic Occupant Sensing Module
F7 Spare/LPG Module Battery
F8 Trailer Parking Lamps (N/A)
F9 Spare
F10 Spare/Side Blind Zone Alert Module
F11 Trailer Module (N/A)
F12 Nav Dock
F13 Heated Steering Wheel
F14 Trailer Socket (N/A)
F15 EVP Switch
F16 Water In Fuel Sensor
F17 Inside Rearview Mirror/Rear Vision Camera
F18 Spare/LPG Module Run/Crank

 

S/B Fuses Usage
S/B01 Driver Power Seat Switch/Memory Module
S/B02 Passenger Power Seat Switch
S/B03 Trailer Module (N/A)
S/B04 A/C-D/C Inverter
S/B05 Battery
S/B06 Headlamp Washer
S/B07 Spare
S/B08 Spare
S/B09 Spare

 

Relays Usage
RLY01 Ignition Relay
RLY02 Run Relay

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

Buick Encore (2016) – fuse box diagram

Buick Encore (2016) – fuse box diagram

Year of production: 2016

Engine Compartment Fuse Block

Buick Encore - fuse box - engine compartment
Buick Encore – fuse box – engine compartment
Mini Fuses Usage
1 Sunroof
2 Outside Rearview Mirror Switch
3 Canister vent solenoid
4 Not used
5 Electronic brake control module valve
6 Intelligent battery sensor
7 Not used
8 Transmission control module battery
9 Not used
10 Fuel System Control Module R/C/ Headlamp Leveling
11 Rear wiper
12 Rear window defogger
13 Not used
14 Outside Rearview Mirror Heater
15 Fuel system control module battery
16 Heated seat module/ Memory module
17 Transmission Control Module R/C
18 Engine Control Module R/C
19 Fuel pump
20 Not used
21 Fan Relay (Auxiliary Fuse Block)
22 Not used
23 Ignition coil/ Injector
24 Washer pump
25 Not used
26 Canister Purge Solenoid/Water Valve Solenoid/ Oxygen Sensors – Pre and Post/Turbo Wastegate Solenoid (1.4L)/Turbo Bypass Solenoid (1.4L)
27 Auxiliary Heater Pump
28 Engine Control Module Powertrain Ignition 1
29 Engine Control Module Powertrain Ignition 2
30 Mass Air Flow Sensor
31 Left high-beam headlamp
32 Right high-beam headlamp
33 Engine control module battery
34 Horn
35 Air Conditioning Compressor Clutch
36 Front fog lamps

 

J-Case Fuses Usage
1 Electronic brake control module pump
2 Front wipe
3  Blower Motor
4 IEC RC
5 Not Used
6 Not Used
7 Starter Solenoid (Automatic Transmission), Not Used (Manual Transmission
8 Cooling Fan Low/Mid
9 Cooling Fan High
10 EVP
11  Pinion Starter Solenoid (Automatic Transmission), Starter Solenoid (Manual Transmission)

 

U-Micro Relays Usage
2 Fuel pump
4 Starter/Spare

 

HC-Micro Relays Usage
7 Starter/Starter pinion

 

Mini Relays Usage
1 Run/Crank
3 Cooling fan – mid
5 Powertrain relay
8 Cooling fan – low

 

HC-Mini Relays Usage
6 Cooling fan – high

Auxiliary Fuse Block

Buick Encore - fuse box - auxiliary fuse block
Buick Encore – fuse box – auxiliary fuse block
Relays Usage
RLY01 Electric vacuum pump
RLY02 Cooling fan control 1
RLY03 Cooling fan control 2
RLY04 N/A

Instrument Panel Fuse Block

The instrument panel fuse block is on the underside of the driver side instrument panel.

Buick Encore - fuse box - instrument panel
Buick Encore – fuse box – instrument panel
Fuses Usage
F1 Body control module 1
F2 Body control module 2
F3 Body control module 3
F4 Body control module 4
F5 Body control module 5
F6 Body control module 6
F7 Body control module 7
F8 Body control module 8
F9 Discrete logic ignition switch
F10 Sensing Diagnostic Module Battery
F11 Data link connector
F12 Heater, Ventilation, and Air Conditioning MDL/ICS
F13 Liftgate relay
F14  UPA Module
F15 LDW Module/Inside Rearview Mirror
F16 Adaptive forward lighting module
F17 Power WNDWSW DR
F18 Rain Sensor
F19 Body Control Module Regulated Voltage Contro
F20 Steering Wheel Switch Backlighting
F21 A/C Accessory Power Outlet/ PRND
F22 Cigar Lighter/DC Accessory Power Outle
F23 Spare
F24 Spare
F25 Spare
F26 Automatic Occupant Sensing Display
F27 IPC/PTC Control/ Clutch Switch
F28 Headlamp Switch/ AFL/DC Converter
F29 Spare
F30 Transmission Control Module Battery
F31 IPC Battery
F32 Radio/Chime/ Aux Jack
F33 Display/Faceplate
F34 OnStar/UHP/DAB

 

Midi Fuses Usage
M01  PTC

 

S/B Fuses Usage
S/B01 Spare
S/B02 Spare
S/B03 Power Window Motor Front
S/B04 Power Window Motor Rear
S/B05 Logistic mode relay
S/B06 Spare
S/B07 Spare
S/B08 Spare

 

Circuit Breaker Usage
CB1 Spare

 

Relay Usage
RLY01 Accessory/Retained accessory power
RLY02 Liftgate
RLY03 Spare
RLY04 Spare
RLY05 Logistic mode

Rear Compartment Fuse Block

The rear compartment fuse block is behind a cover on the driver side of the rear compartment.

Buick Encore - fuse box - rear compartment
Buick Encore – fuse box – rear compartment
Mini Fuses Usage
F1 Driver Seat Power Lumbar Switch
F2 Passenger Seat Power Lumbar Switch
F3 Amplifier
F4 Trailer Socket (N/A)
F5 All-Wheel Drive Module
F6 Automatic Occupant Sensing Module
F7 Spare/LPG Module Battery
F8 Trailer Parking Lamps (N/A)
F9 Spare
F10 Spare/Side Blind Zone Alert Module
F11 Trailer Module (N/A)
F12 Nav Dock
F13 Heated Steering Wheel
F14 Trailer Socket (N/A)
F15 Spare/EVP Switch
F16 Water In Fuel Sensor
F17 Inside Rearview Mirror/Rear Vision Camera
F18 Spare/LPG Module Run/Crank

 

S/B Fuses Usage
S/B01 Driver Power Seat Switch/Memory Module
S/B02 Passenger Power Seat Switch
S/B03 Trailer Module (N/A)
S/B04 A/C-D/C Inverter
S/B05 Battery
S/B06 Headlamp Washer
S/B07 DC/DC Source 1
S/B08 DC/DC Source 1
S/B09 Spare

 

Relays Usage
RLY01 Ignition Relay
RLY02 Run Relay

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

Buick Encore (2017) – fuse box diagram

Buick Encore (2017) – fuse box diagram

Year of production: 2017

Engine Compartment Fuse Block

Buick Encore - fuse box - engine compartment
Buick Encore – fuse box – engine compartment
Mini Fuses Usage
1 Sunroof
2 Exterior rearview mirror switch/Driver side power window/ Rain sensor/ Universal garage door opener
3 Canister vent solenoid
4
5 Electronic brake control module valve
6 Intelligent battery sensor
7 Electric steering column lock
8 Transmission control module/FICM
9 Automatic occupancy sensing module
10 Headlamp leveling switch/Headlamp leveling motor/Rear vision camera/ Interior rearview mirror
11 Rear wiper
12 Rear window defogger
13 Power lumbar switch
14 Exterior rearview mirror heater
15 Fuel system control module battery
16 Heated seat module/ Memory module
17 TIM DC DC converter/Fuel system control module RC/ Compass module
18 Engine control module RC/ Transmission control module RC/ FICM RC
19 Fuel pump
20
21 Fan relay (auxiliary BEC)
22
23 Ignition coil/ Injector coil
24 Washer pump
25 Automatic
26 EMS Var 1
27 –/Auxiliary heater pump
28 –/Engine control module powertrain/ Ignition 3
29 Engine control module powertrain/ Ignition 1/Ignition 2
30 EMS Var 2
31 Left high-beam headlamp
32 Right high-beam headlamp
33 Engine control module battery
34 Horn
35 A/C clutch
36 Front fog lamps

 

J-Case Fuses Usage
1 Electronic brake control module pump
2 Front wipe
3 Linear power module blower
4 IEC RC
5
7 –/Starter solenoid
8 Cooling fan low – mid
9 Cooling fan – high
10 EVP
11 Starter solenoid/ Starter pinion

 

U-Micro Relays Usage
2 Fuel pump
4 –/Auxiliary heater pump

 

HC-Micro Relays Usage
7 Starter/Starter pinion
10 Starter solenoid

 

Mini Relays Usage
1 Run/Crank
3 Cooling fan – mid
5 Powertrain relay
8 Cooling fan – low

 

HC-Mini Relays Usage
6 Cooling fan – high

Auxiliary Fuse Block

Buick Encore - fuse box - auxiliary fuse block
Buick Encore – fuse box – auxiliary fuse block
Relays Usage
RLY01 Electric vacuum pump
RLY02 Cooling fan control 1
RLY03 Cooling fan control 2
RLY04 N/A

Instrument Panel Fuse Block

The instrument panel fuse block is on the underside of the driver side instrument panel.

Buick Encore - fuse box - instrument panel
Buick Encore – fuse box – instrument panel
Fuses Usage
F1 Body control module 1
F2 Body control module 2
F3 Body control module 3
F4 Body control module 4
F5 Body control module 5
F6 Body control module 6
F7 Body control module 7
F8 Body control module 8
F9 Discrete logic ignition switch
F10 Sensing diagnostic module battery
F11 Data link connector
F12 HVAC module/ICS
F13 Liftgate relay
F14 Central gate moduleF15
F15 Lane departure warning/GENTEX
F16 Adaptive forward lighting module
F17 Electrical steering column lock
F18 Parking assist module/Side blind zone alert
F19 Body control module/Regulated voltage control
F20 Clock spring
F21 A/C/Accessory power outlet/PRNDL
F22 Auxiliary power outlet/DC center
F23 HVAC module/ICS
F24
F25 OnStar module/ Eraglonass
F26 Heated steering wheel
F27 Instrument panel cluster/Auxiliary heater/Auxiliary virtual image display
F28 Trailer feed 2
F29 Faceplate
F30 DC/DC 400W
F31 Instrument panel cluster module battery
F32 Silver box audio module/Navigation
F33 Trailer feed 1
F34 Passive entry/ Passive start

 

Midi Fuses Usage
M01 Positive temperature coefficient

 

S/B Fuses Usage
S/B01 Passenger power seat
S/B02
S/B03 Front power windows
S/B04 Rear power windows
S/B05 Logistic mode relay
S/B06 Driver power seat
S/B07
S/B08 Trailer interface module

 

Circuit Breaker Usage
CB1

 

Relay Usage
RLY01 Accessory/Retained accessory power
RLY02 Liftgate
RLY03
RLY04
RLY05 Logistic mode

Rear Compartment Fuse Block

The rear compartment fuse block is behind a cover on the driver side of the rear compartment.

Buick Encore - fuse box - rear compartment
Buick Encore – fuse box – rear compartment
Fuses Usage
F1
F2
F3 Amplifier audio
F4
F5 Rear drive control module
F6 Left cornering lamp
F7 Right cornering lamp
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18

 

S/B Fuses Usage
S/B01
S/B02
S/B03
S/B04 DC/AC inverter module
S/B05
S/B06
S/B07 DC-DC transformer 400W
S/B08 DC-DC transformer 400W
S/B09

 

Relays Usage
RLY01 Right cornering lamp
RLY02 Left cornering lamp

 

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

BUICK Enclave (2017) – fuse box diagram

BUICK Enclave (2017) – fuse box diagram

Year of production: 2017

Engine compartment fuse block

Buick Enclave 2014 - fuse box - engine compartment
Buick Enclave 2014 – fuse box – engine compartment

The underhood fuse block is located in the engine compartment, on the passenger side of the vehicle. Lift the cover for access to the fuse/relay block.

Fuses Usage
A/C CLUTCH A/C Clutch
ABS MTR  ABS motor
AFS Adaptive forward lighting system
AIRBAG Airbag
AUX POWER Auxiliary Power
AUX VAC PUMP Auxiliary Vacuum Pump
AWD AWD system
BATT 1 Battery 1
BATT 2 Battery 2
BATT 3 Battery 3
CIGAR LIGHTER Cigar Lighter
ECM 1 Engine control module 1
ECM/ FPM IGN Engine control module/Fuel pump control module ignition
EMISSION 1 Emission 1
EMISSION 2 Emission 2
EVEN COILS Injector coils – even
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 1
* Headlamp Washer (China)/Fog Lamps (GMC)
FPM Fuel pump power module
FOG LAMP (GMC) Fog Lamps (GMC)
HTD STR WHL Heated steering wheel
HORN Horn
HTD MIR Heated exterior rearview mirror
HUMIDITY/MAF Humidity sensor/ Mass airflow sensor
HVAC BLWR HVAC blower
LT HI BEAM Left High-Beam Headlamp
LT LO BEAM Left Low-Beam Headlamp
LT PRK Left Parking Lamp
LT TRLR STOP/TRN Left trailer stoplamp/Turn signal lamp
ODD COILS Injector coils – odd
PCM IGN Powertrain Control Module Ignition
PWR L/GATE Power Liftgate
PWR OUTLET Power Outlet
RR APO Rear Accessory Power Outlet
RR DEFOG Rear Defogger
RR HVAC Rear Climate Control System
RT HI BEAM Right High-Beam Headlamp
RT LO BEAM Right Low-Beam Headlamp
RT PRK Right Parking Lamp
RT TRLR STOP/TRN Trailer Right Stoplamp and Turn Signal
RVC SNSR Regulated Voltage Control Sensor
S/ROOF/SUNSHADE Sunroff
SERVICE Service Repair
SPARE
Stop Lamps (China Only) Stop Lamps (China Only)
STRTR Starter
TCM Transmission Control Module
TRANS Transmission
TRLR BCK/UP Trailer Back-up Lamps
TRLR BRK Trailer Brake
TRLR PRK LAMP Trailer Parking Lamps
TRLR PWR Trailer Power
WPR/WSW Windshield Wiper/Washer

 

Relays Usage
A/C CMPRSR CLTCH Air Conditioning Compressor Clutch
AUX VAC PUMP Auxiliary Vacuum Pump
CRNK Switched Power
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
FAN 3 Cooling Fan 3
FOG
LAMP (GMC)
Fog Lamps (GMC)
HI BEAM High-Beam Headlamps
HID/LO BEAM High Intensity Discharge (HID) Low-Beam Headlamps
HORN Horn
IGN Ignition Main
LT TRLR STOP/TRN Trailer Left Stoplamp and Turn Signal Lamp
PRK LAMP Park Lamp
PWR/TRN Powertrain
RR DEFOG Rear Window Defogger
RT TRLR STOP/TRN Trailer Right Stoplamp and Turn Signal Lamp
Stop Lamps (China Only) Stop Lamps (China Only)
TRLR BCK/UP Trailer Back-up Lamps
WPR Windshield Wiper
WPR HI Windshield Wiper High Speed

Instrument Panel Fuse Block

Buick Enclave (2014) - fuse box - instrument panel block
Buick Enclave (2014) – fuse box – instrument panel block

The instrument panel fuse block is located under the instrument panel
on the passenger side of the vehicle. Pull down on the cover to access the fuse block.

Fuses Usage
# GMC NON HID = Low Beam
* GMC NON HID = High Shutter
** Chevy = Fog Lamps
*** Buick China = Rear Fog Lamp
AIRBAG Airbag
AMP Amplifier
BCK UP/STOP Back-up Lamp/Stoplamp
BCM Body Control Module
CNSTR VENT Canister Vent
CTSY Courtesy
DRL  LC Door lock
DRL /LO BEAM Daytime Running Lamps Relay/Low Beam Headlamps Relay
DSPLY Display
FRT WSW Front Windshield Washer
HTD/COOL SEAT Heated/Cooling Seats
HVAC Heating, Ventilation and Air Conditioning
INADV PWR INT LAMPS Inadvertent Power/Interior Light Pipe Lamps
INFOTMNT/MSM Infotainment/ Memory Seat Module
LT TRN SIG Driver Side Turn Signal
OBS DET /URS Rear park assist/ Side blind zone alert/Forward collision alert/ Universal remote system
PDM Power Mirrors, Liftgate Release
PWR MODE Power Mode
PWR MIR Power Mirrors
RDO Radio
REAR WPR Rear Wiper
RT TRN SIG Passenger Side Turn Signal
STR WHL ILLUM Steering Wheel Illumination
USB CHRG USB Charging

Relay side

Buick Enclave (2014) - fuse box - instrument panel (relay side)
Buick Enclave (2014) – fuse box – instrument panel (relay side)
Relays Usage
LT/PWR/SEAT Driver Side Power Seat Relay
RT/PWR/SEAT Passenger Side Power Seat Relay
PWR/WNDW Power Windows Relay
PWR/COLUMN Power Steering Column Relay
L/GATE Liftgate Relay
LCK Power Lock Relay
REAR/WSW Rear Window Washer Relay
UNLCK Power Unlock Relay
DRL/LO BEAM Daytime Running Lamps Relay/Low
Beam Headlamps Relay
LT/UNLCK Driver Side Unlock Relay
DRL/ LO BEAM Daytime Running Lamps Relay (If
Equipped)
REAR FOG LAMPS (CHINA) Fog Lamps Relay (Chevy)
FRT/WSW Front Windshield Washer Relay

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

Buick Cascada (2016 – 2017) – fuse box diagram

Buick Cascada (2016 – 2017) – fuse box diagram

Year of production: 2016, 2017

Engine Compartment Fuse Block

Buick Cascada - fuse box - engine compartment
Buick Cascada – fuse box – engine compartment
Fuses Usage
1 Engine control module
2 O2 sensor
3 Fuel injection/ Ignition system
4 Fuel injection/ Ignition system
5
6 Heated mirrors
7 Fan control
8 O2 sensor/ Powertrain cooling
9 Rear window sensor
10 Vehicle battery sensor
11 Trunk release
12 Adaptive headlamps/ Automatic headlamp leveling
13 ABS valves
14
15 Engine control module
16 Starter
17 Transmission control module
18 Rear window defogger
19 Front power window
20 Rear power window
21 Rear electrical center
22
23
24 Right high-beam headlamp
25 Left high-beam headlamp
26 Front fog lamps
27
28
29 Electric parking brake
30 ABS pump
31
32 Airbag
33 Adaptive forward lighting/Automatic headlamp leveling
34 Exhaust gas recirculation
35 Power windows/Rain sensor/Exterior mirror
36 Climate control
37
38 Vacuum pump
39 Fuel system control module
40 Front windshield washer
41
42 Engine cooling fan
43 Windshield wipers
44
45 Engine cooling fan
46
47 Horn
48 Engine cooling fan
49 Fuel pump
50 Headlamp leveling/ Adaptive forward lighting
51
52
53 Transmission control module/Engine control module
54 Vacuum pump/ Instrument panel cluster/HVAC

Instrument Panel Fuse Block

The instrument panel fuse block is on the driver side of the instrument panel.

Buick Cascada - fuse box - instrument panel
Buick Cascada – fuse box – instrument panel
Fuses Usage
1 Displays
2 Body control module/Exterior lamps
3 Body control module/Exterior lamps
4 Infotainment system
5 Infotainment system/ Instrument
6 Power outlet
7 Power outlet
8 Body control module/Left low-beam headlamp
9 Body control module/Right low-beam headlamp
10 Body control module/Door locks
11 Interior fan
12 Driver power seat
13 Passenger power seat
14 Diagnostic connector
15 Airbag
16 Trunk lid relay
17 A/C system
18 Service diagnose
19 Body control module/Brake lamps/Reverse lamps/Interior lamps
20
21 Instrument panel
22 Ignition
23 Body control module
24 Body control module
25
26 Trunk power outlet accessory

Rear Compartment Fuse Block

The rear compartment fuse block, if equipped, is on the left side of the trunk behind a cover.

Buick Cascada - fuse box - rear compartment
Buick Cascada – fuse box – rear compartment
Fuses Usage
1 Convertible control module/Right power rail
2
3 Rear parking assist
4 Selective catalytic reduction system
5
6
7 Power seats
8 Convertible control module
9 Selective catalytic reduction system
10 Selective catalytic reduction system
11 Tire pressure monitor/Rear vision camera
12 Convertible control module/Reverse lamps
13
14 Rear seat electrical folding
15
16 Rear vision camera/ Convertible control module
17
18
19 Heated steering whee
20
21 Heated seats
22
23 Convertible control module/Left power rail
24 Selective catalytic reduction system
25
26 Non-logistic mode
27 Passive entry/ Passive start
28
29 Hydraulic unit
30
31
32

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

Geo Tracker (1996 – 1997) – fuse box diagram

Geo Tracker (1996 – 1997) – fuse box diagram

Year of production: 1996, 1997

Instrument Panel Fuse Block

Geo Tracker - fuse box - instrument panel
Geo Tracker – fuse box – instrument panel
Item Usage
1 Empty
2 Empty
3 Dome Lamp, Sidemarker Lamps, Parking Lamps, License Plate Lamp, Instrument Panel Illumination
4 Stoplamps, Horn
5 Hazard Lamps
6 Door Lock (Option)
7 Lighter, Radio
8 Ignition System, Warning and Indicator Lights, Gages, Four-wheel Drive System (Option
9 Turn Signal Flasher, Back-up Lamps
10 Wiper/Washer
11 Rear Defogger
12 Heater
13 Empty
14 Empty

Main Fuse Block

Geo Tracker - fuse box - main fuse block
Geo Tracker – fuse box – main fuse block
Name Usage
BATT All Electrical Load
ABS Anti-Lock Brake System
IG Ignition, Lighter, Radio, Wiperwasher, Rear Defogger, Turn Signals, Backup Lamps, Heater
LAMP  Taillamps, Dome Lamps,  Stop Lamps, Horn, Hazard Lam
H/L, R Right Side Headlamp
H/L, L Left Side Headlamp
FI Fuel Injection System
A/C Air Conditioning

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

Geo Tracker (1993 – 1995) – fuse box diagram

Geo Tracker (1993 – 1995) – fuse box diagram

Year of production: 1993,1994, 1995

Main Fuse Block

Geo-tracker-fuse-box-main-fuse-block
Geo Tracker – fuse box – main fuse block
Item Ampere rating [A] Usage
1 60 Generator to Battery Circui
2 50 Circuits Only Active When Ignition Switch is in ACC, ON or START
3 40 Circuits Always Active
4 30 Circuits Always Active

Instrument Panel Fuse Block

Geo Tracker - fuse box - instrument panel fuse block
Geo Tracker – fuse box – instrument panel fuse block
Item Ampere rating [A] Usage
1 15 Right Headligh
2 15 Left Headlight; High Beam Indicator Light
3 15 Taillights; Interior Light; Sidemarker Lights; Instrument Cluster Lights
4 15 Stop Lights; Horn
5 15 Hazard Lights
6 20 Door Lock (Option)
7 20 Lighter; Radio
8 15 Ignition System; Warning and Indicator Lights
9 15 Turn Signal Lights; Back-up Lights
10 15 Wiper/washer
11 15 Rear Defogger
12 25 Heater
13 20 Rear Wheel Anti-Lock Main Relay
14 15 Electronic Fuel Injection Main Relay

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

Geo Prizm (1990 – 1995) – fuse box diagram

Geo Prizm (1990 – 1995) – fuse box diagram

Year of production: 1990, 1991, 1992, 1993, 1994, 1995

Driver’s Side Instrument Panel Fuse Block

Geo-prizm-fuse-box-instrument-panel-driver-side-1994
Geo Prizm – fuse box – instrument panel driver’s side
Item Ampere rating [A] Usage
1 Not Used
2 10 Ignition
3 15 stop
4 Not Used/Spare
5 20 Cigarette Lighter and Radio
6 10 ECU-B
7 7,5 Turn Signal
8 10 Gage
9 15 Taillamp
10 7,5 Defogger – I/UP
11 15 ECU-IG
12 20 Wiper
A 30 Power
B 30 Defroster

Engine Compartment Fuse Block

Geo Prizm - fuse box - engine compartment
Geo Prizm – fuse box – engine compartment
Item Ampere rating [A] Usage
1 15 Electronic Fuel Injection F/HTR
2 7,5 Alternator-S
3 30 Fan
4 20 Dome Lamp
5 20 Hazard Warning Flashers; Horn
6 7,5 Fan – I/UP
7 15 Left Head
8 15 Right Head
9 Not Used/Spare
10 Not Used/Spare
11 Not Used/Spare
12 30 AM2
a 50 Anti-Lock Brake System (ABS)
b 100 Alternator
c 40 AM1
A Electronic Fuel Injection F/HTR Relay
B Headlamp Relay
C Engine Main Relay
D Fan Relay #I
E Horn Relay

Engine Compartment Relay Block

Geo Prizm - fuse box - engine compartment relay box
Geo Prizm – fuse box – engine compartment relay box
Item Ampere rating [A] Usage
1 30 CDS
2 Air Conditioner MG Relay
3 Air Conditioner Fan Relay #3
4 Air Conditioner Fan Relay #2


Passenger’s Side Kick Panel

Geo Prizm - fuse box - passenger side kick panel
Geo Prizm – fuse box – passenger side kick panel
Item Ampere rating [A] Usage
1 15 Air Conditioner
2 40 Heater

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