Tag: electricity

Chevrolet Express (1995 – 1996) – fuse box diagram

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Chevrolet Express (1995 – 1996) – fuse box diagram

Year of production: 1995, 1996

Instrument Panel Fuse Block

The fuse block access door is on the driver’s side of the instrument panel below the
hood release lever.

Chevrolet Express - fuse box - instrument panel
Chevrolet Express – fuse box – instrument panel
Fuse position Fuse name Circuit protected
1 STOP Stop/CHMSL, Stoplamps
2 HTD MIR Electric Heated Mirrors
3 CTSY Courtesy Lamps, Dome/RDG Lamps, Vanity Mirrors, Power Mirrors
4 GAUGES IP Cluster, DRL Relay, DRL Module, HDLP Switch, Keyless Entry Illumination, Low Coolant Module, CHIME Module, DRAB Module
5 Hazard Hazard LampsKHIME Module
6 CRUISE Cruise Control
7 PWR AUX Auxiliary Power Outlet, ALDL
8 Crank —
9 PARK LPS License Plate Lamp, Parking Lamps, Taillamps, Front Sidemarkers, Glove Box Ashtray
10 AIR BAGS SDM
11 WIPER Wiper Motor, Washer Pump
12 HTR-A/C NC, A/C Blower, High Blower Relay, HTD Mirror
13 CIG LTR Power Amp, Cigarette Lighter, Door Lock Relay
14 ILLUM LP Cluster, HVAC Controls, RR HVAC Controls, IP Switches, Radio Illumination, Door Switch Illumination
15 DRL DRL Relay
16 TURN B/U Front Turn, RR Turn, Back-up Lamps, BTSI Solenoid
17 RADIO- 1 Radio (Ign, Accy)
18 BRAKE 4WAL PCM, ABS, Cruise Control
19 RADIO-B Radio (Battery), Power Antenna
20 TRANS PRNDL, Automatic Transmission
21 RR FOG Rear Window Defog
22 Not Used —
23 Not Used —
24 RR HVAC RR HVAC Controls, HIGH, MED, LOW Relays
A* PWR ACCY Power Door Lock, Six-Way Power Seat, Keyless Entry Illumination Module
B* PWR WDO Power Windows
* Circuit Breaker

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

Chevrolet Tahoe (2017) – fuse box diagram

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Chevrolet Tahoe (2017) – fuse box diagram

Year of production: 2017

Underhood Fuse Block

The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment
Fuses Usage
1 Electric Running Boards
2 Antilock Brake System Pump
3 Interior BEC LT1
4 Passenger motorized safety belt
5 Suspension Leveling Compressor
6 4WD Transfer Case Electronic Control
7 —
8 —
9 —
10 Electric Parking Brake
11 —
12 —
13 Interior BEC LT2
14 Rear BEC 1
15 —
16 —
17 Driver motorized safety belt
18 —
19 —
20 —
21 ALC Exhaust Solenoid
23 Integrated Chassis Control Module
24 Real Time Dampening
25 Fuel Pump Power Module
26 –/Battery Regulated Voltage Control
27 —
28 Upfitter 2
29 Upfitter 2 Relay
30 Wiper
31 TIM
31 —
33 —
34 Reverse lamps
35 ABS valve
36 Trailer Brakes
37 Upfitter 3 Relay
38 —
39 Right trailer stoplamp/Turn signal lamp
40 Left trailer stoplamp/turn signal lamp
41 Trailer parking lamps
42 Right parking lamps
43 Left parking lamps
44 Upfitter 3
45 Automatic Level Control Run/Crank
46 —
47 Upfitter 4
48 Upfitter 4 Relay
49 Reverse Lamps
50 —
51 Parking Lamp Relay
52 —
53 —
54 —
55 —
56 —
57 —
58 —
59 Euro Trailer
60 A/C control
61 —
62 —
63 Upfitter 1
64 —
65 —
66 —
67 Trailer Battery
68 —
69 RC Upfitter 3 and 4
70 VBAT Upfitter 3 and 4
71 —
72 Upfitter 1 Relay
73 —
74 Engine Control Module Ignition
75 Miscellaneous Ignition Spare
76 Transmission Ignition
77 RC Upfitter 1 and 2
78 VBAT Upfitter 1 and 2
79 —
80 —
81 —
82 —
83 Euro Trailer RC
84 Run/Crank Relay
85 —
86 —
87 Engine
88 Injector A – Odd
89 Injector B – Even
90 Oxygen Sensor B
91 Throttle Control
92 Engine Control Module Relay
93 Horn
94 Fog Lamps
95 High-Beam Headlamps
96 —
97 —
98 —
99 —
100 Oxygen Sensor A
101 Engine Control Module
102 Engine Control Module/Transmission Control Module
103 Auxiliary Interior Heater
104 Starter
105 —
106 —
107 Aero Shutter
108 —
109 Police Upfitter
110 —
111 —
112 Starter Relay
113 —
114 Front Windshield Washer
115 Rear Window Washer
116 Left cooling fan
117 Fuel pump prime
118 —
119 —
120 Fuel pump prime
121 Right HID headlamp
122 Left HID Headlamp
123 Right cooling fan

Instrument Panel Fuse Block (Left)

The left instrument panel fuse block access door is on the driver side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel fuse block (left)
Chevrolet Tahoe – fuse box – instrument panel fuse block (left)
Fuses Usage
1 —
2 —
3 —
4 Accessory Power Outlet 1
5 Retained Accessory Power/Accessory
6 APO/BATT
7 Universal Garage Door Opener/Inside Rear View Mirror
8 SEO Retained Accessory Power
9 —
10 Body Control Module 3
11 Body Control Module 5
12 Steering Wheel Controls Backlighting
13 —
14 —
15 —
16 Discrete Logic Ignition Sensor
17 Video processing module
18 Mirror Window Module
19 Body Control Module 1
20 Front Bolster (if equipped)
21 —
22 —
23 —
24 HVAC/Ignition
25 Instrument cluster/Ignition sensing diagnostic module/Ignition
26 Tilt Column/SEO, Tilt Column Lock 1/SEO
27 Data link connector/Driver seat module
28 Passive entry/Passive start/HVAC battery
29 Content theft deterrent
30 —
31 —
32 —
33 SEO/Automatic Level Control
34 Park Enable Electric Adjustable Pedal (if equipped)
35 —
36 Miscellaneous R/C
37 Heated Steering Wheel
38 Steering Column Lock 2 (if equipped)
39 Instrument Cluster Battery
40 —
41 —
42 Euro Trailer (if equipped)
43 Left Doors
44 Driver Power Seat
45 —
46 Right heated, cooled, or ventilated seat (if equipped)
47 Left heated, cooled, or ventilated seat (if equipped)
48 —
49 —
50 Accessory Power Outlet 2
51 —
52 Retained Accessory Power Relay
53 Run/Crank Relay
54 —
55 —
56 —

 Instrument Panel Fuse Block (Right)

The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
Chevrolet Tahoe - fuse box - instrument panel fuse block (right)
Chevrolet Tahoe – fuse box – instrument panel fuse block (right)
Number Usage
1 —
2 —
3 —
4 Accessory Power Outlet 4
5 —
6 —
7 —
8 —
9 —
10 —
11 —
12 Steering Wheel Controls
13 Body Control Module 8
14 —
15 —
16 —
17 —
18 —
19 Body Control Module 4
20 Rear Seat Entertainment
21 Sunroof
22 —
23 —
24 —
25 —
26 Infotainment/Airbag
27 –/RF window switch/Rain sensor
28 Obstacle Detection/USB
29 Radio
30 —
31 —
32 —
33 —
34 —
35 —
36 Special equipment option B2
37 Special equipment option
38 Body Control Module 2
39 A/C Inverter
40 —
41 —
42 —
43 —
44 Right Door Window Motor
45 Front Blower
46 Body Control Module 6
47 Body Control Module 7
48 Amplifier
49 Right Front Seat
50 Accessory Power Outlet 3
51 —
52 Retained Accessory Power Relay
53 —
54 —
55 —
56 —

Rear Compartment Fuse Block

The rear compartment fuse block is behind the access panel on the left side of the compartment.

Chevrolet Tahoe - fuse box - rear compartment
Chevrolet Tahoe – fuse box – rear compartment
Item Usage
1 Rear defogger relay
2 Left heated second row seat
3 Right heated second row seat
4 Heated Mirrors
5 Liftgate
6 Glass Breakage
7 Liftglass
8 Liftgate Module Logic
9 Rear Wiper
10 Rear HVAC blower
11 Second Row Seat
12 Liftgate module
13 Third row seat
14 Rear accessory power outlet
15 Rear defogger
16 Liftgate
17 Liftglass
18 Rear fog lamp (if equipped)
19 Rear Fog Lamp (if equipped)
20 Heated mirror

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

Chevrolet Tahoe (2015 – 2016) – fuse box diagram

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Chevrolet Tahoe (2015 – 2016) – fuse box diagram

Year of production: 2015, 2016

Underhood Fuse Block

The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment
Fuses Usage
1 Electric Running Boards
2 Antilock Brake System Pump
3 Interior BEC LT1
4 MBS Passenger
5 Suspension Leveling Compressor
6 4WD Transfer Case Electronic Control
10 Electric Parking Brake
13 Interior BEC LT2
14 Rear BEC 1
17 MBS Drive
21 ALC Exhaust Solenoid
23 Integrated Chassis Control Module
24 Real Time Dampening
25 Fuel Pump Power Module
26 Spare/Battery Regulated Voltage Control
28 Upfitter 2
29 Upfitter 2 Relay
30 Wiper
31 TIM
34 Back-up Lamps
35 Antilock Brake System Valve
36 Trailer Brakes
37 Upfitter 3 Relay
39 Trailer Stop/Turn Right
40 Trailer Stop/Turn Left
41 Trailer Park Lamps
42 Right Parking Lamps
43 Left Parking Lamps
44 Upfitter 3
45 Automatic Level Control Run/Crank
47 Upfitter 4
48 Upfitter 4 Relay
49 Reverse Lamps
51 Parking Lamp Relay
59 Euro Trailer
60 Air Conditioning Control
63 Upfitter 1
67 Trailer Battery
69 RC Upfitter 3 and 4
70 VBAT Upfitter 3 and 4
72 Upfitter 1 Relay
74 Engine Control Module Ignition
75 Miscellaneous Ignition Spare
76 Transmission Ignition
77 RC Upfitter 1 and 2
78 VBAT Upfitter 1 and 2
83 Euro Trailer RC
84 Run/Crank Relay
87 Engine
88 Injector A – Odd
89 Injector B – Even
90 Oxygen Sensor B
91 Throttle Control
92 Engine Control Module Relay
93 Horn
94 Fog Lamps
95 High-Beam Headlamps
100 Oxygen Sensor A
101 Engine Control Module
102 Engine Control Module/Transmission Control Module
103 Auxiliary Interior Heater
104 Starter
107 Aero Shutter
109 Police Upfitter
112 Starter Relay
114 Front Windshield Washer
115 Rear Window Washer
116 Right HID Headlamp
122 Left HID Headlamp
123 Cooling Fan Right

Instrument Panel Fuse Block (Left)

The left instrument panel fuse block access door is on the driver side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel fuse block (left)
Chevrolet Tahoe – fuse box – instrument panel fuse block (left)
Fuses Usage
1 Not Used
2 Not Used
3 Not Used
4 Accessory Power Outlet 1
5 Retained Accessory Power/Accessory
6 APO/BATT
7 Universal Garage Door Opener/Inside Rear View Mirror
8 SEO Retained Accessory Power
9 Not Used
10 Body Control Module 3
11 Body Control Module 5
12 Steering Wheel Controls Backlighting
13 Not Used
14 Not Used
15 Not Used
16 Discrete Logic Ignition Sensor
17 VPM
18 Mirror Window Module
19 Body Control Module 1
20 Front Bolster (if equipped)
21 Not Used
22 Not Used
23 Not Used
24 Heater, Ventilation and Air Conditioning Ignition/Heater, Ventilation and Air Conditioning Auxiliary
25 Instrument Cluster Ignition/Sensing Diagnostic Module Ignition
26 Tilt Column/SEO, Tilt Column Lock 1/SEO
27 Data Link Connector/Driver Seat Module
28 Passive Entry/Passive Start/Heater, Ventilation and Air Conditioning Battery
29 Content Theft
30 Not Used
31 Not Used
32 Not Used
33 SEO/Automatic Level Control
34 Park Enable Electric Adjustable Pedal (if equipped)
35 Not Used
36 Miscellaneous R/C
37 Heated Steering Wheel
38 Steering Column Lock 2 (if equipped)
39 Instrument Cluster Battery
40 Not Used
41 Not Used
42 Euro Trailer (if equipped)
43 Left Doors
44 Driver Power Seat
45 Not Used
46 Right Heated/Cooled Seat
47 Left Heated/Cooled Seat
48 Not Used
49 Not Used
50 Accessory Power Outlet 2
51 Not Used
52 Retained Accessory Power/Accessory Relay
53 Run/Crank Relay
54 Not Used
55 Not Used
56 Not Used

Instrument Panel Fuse Block (Right)

The right instrument panel fuse block access door is on the passenger side edge of the instrument panel.
Chevrolet Tahoe - fuse box - instrument panel fuse block (right)
Chevrolet Tahoe – fuse box – instrument panel fuse block (right)
Number Usage
1 Not Used
2 Not Used
3 Not Used
4 Accessory Power Outlet 4
5 Not Used
6 Not Used
7 Not Used
8 Glove Box
9 Not Used
10 Not Used
11 Not Used
12 Steering Wheel Controls
13 Body Control Module 8
14 Not Used
15 Not Used
16 Not Used
17 Not Used
18 Not Used
19 Body Control Module 4
20 Rear Seat Entertainment
21 Sunroof
22 Not Used
23 Not Used
24 Not Used
25 Not Used
26 Info/Airbag
27 Spare/RF WDW RN SW
28 Obstacle Detection/USB
29 Radio
30 Not Used
31 Not Used
32 Not Used
33 Not Used
34 Not Used
35 Not Used
36 SEO B2
37 SEO
38 Body Control Module 2
39 A/C Inverter
40 Not Used
41 Not Used
42 Not Used
43 Not Used
44 Right Door Window Motor
45 Front Blower
46 Body Control Module 6
47 Body Control Module 7
48 Amplifier
49 Right Front Seat
50 Accessory Power Outlet 3
51 Not Used
52 Retained Accessory Power/Accessory Relay
53 Not Used
54 Not Used
55 Not Used
56 Not Used

Rear Compartment Fuse Block

The rear compartment fuse block is behind the access panel on the left side of the compartment.

Chevrolet Tahoe - fuse box - rear compartment
Chevrolet Tahoe – fuse box – rear compartment
ISO Mini Relays Usage
1 Rear Defog

 

Micro Fuses Usage
2 Heated Second Row Seat Left
3 Heated Second Row Seat Right
4 Heated Mirrors
5 Liftgate
6 Glass Breakage
7 Liftglass
8 Liftgate Module Logic
9 Rear Wiper
10 Rear Heater, Ventilation and Air Conditioning Blower
11 Second Row Seat
19 Rear Fog Lamp (if equipped)
M-Type Usage
12 Liftgate Module
13 Third Row Seat
14 Rear Accessory Power Outlet
15 Rear Defogger
Ultra Micro Relays Usage
16 Liftgate

 

Micro Relays Usage
17 Liftglass
18 Rear Fog Lamp (if equipped)
19 Heated Mirrors

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

Chevrolet Tahoe (2012 – 2014) – fuse box diagram

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Chevrolet Tahoe (2012 – 2014) – fuse box diagram

Year of production: 2012, 2013, 2014

 

Underhood Fuse Block

The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle.

Chevrolet Tahoa - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment
Fuses Usage
1 Right Trailer Stop/Turn Lamp
2 Electronic Stability Suspension Control, Automatic Level Control Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
5 Engine Control Module, Throttle Control
6 Trailer Brake Controller
7 Front Washer
8 Oxygen Sensors
9 Anti-lock Brakes System 2
10 Trailer Back-up Lamps
11 Driver’s Side Low-Beam Headlamp
12 Engine Control Module (Battery)
13 Fuel Injectors, Ignition Coils (Right Side)
14 Transmission Control Module (Battery)
15 Vehicle Back-up Lamps
16 Passenger’s Side Low-Beam Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Fuel System Control Module
22 Headlamp Washer
23 Rear Windshield Washer
24 Fuel Injectors, Ignition Coils (Left Side)
25 Trailer Park Lamps
26 Driver’s Side Park Lamps
27 Passenger’s Side Park Lamps
28 Fog Lamps
29 Horn
30 Passenger’s Side High-Beam Headlamp
31 Daytime Running Lamps (DRL) ) (If Equipped)
32 Driver’s Side High-Beam Headlamp
33 Daytime Running Lamps 2 (If Equipped)
34 Sunroof
35 Key Ignition System, Theft Deterrent System
36 Windshield Wiper
37 SEO B2 Upfitter Usage (Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Amplifier
42 Audio System
43 Miscellaneous (Ignition), Cruise Control
44 Liftgate Release
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Not Used
48 Auxiliary Climate Control (Ignition)
49 Center High-Mounted Stoplamp (CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Upfitter Usage (Battery)
53 Cigarette Lighter, Auxiliary Power Outlet
54 Automatic Level Control Compressor Relay
55 Climate Controls (Ignition)
56 Engine Control Module, Secondary Fuel Pump (Ignition)
J-Case Fuse Usage
57 Cooling Fan 1
58 Automatic Level Control Compressor
59 Heavy Duty Antilock Breaking System
60 Cooling Fan 2
61 Antilock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
65 Electric Running Boards
66 Heated Windshield Washer System
67 Transfer Casse
68 Stud 1 (Trailer Connector Battery Power)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Power Liftgate Module
72 Left Bussed Electrical Center 2
Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamp
FOG LAMP Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power

Instrument panel fuse block

The instrument panel fuse block access door is located on the driver’s side edge of the instrument panel.

Chevrolet Tahoa - fuse box - instrument panel
Chevrolet Tahoe – fuse box – instrument panel
Fuses Usage
1 Rear Seats
2 Rear Accessory Power Outlet
3 Steering Wheel Controls Backlight
4 Driver Door Module
5 Dome Lamps, Driver’s Side Turn Signal
6 Driver’s Side Turn Signal, Stoplamp
7 Instrument Panel Back Lighting
8 Passenger’s Side Turn Signal, Stoplamp
9 Passenger Door Lock2 (Unlock Feature)
10 Power Door Lock 2 (Unlock Feature)
11 Power Door Lock 2 (Lock Feature)
12 Stoplamps, Center-High Mounted Stoplamp
13 Rear Climate Controls
14 Power Mirror
15 Body Control Module (BCM)
16 Accessory Power Outlets
17 Interior Lamps
18 Power Door Lock 1 (Unlock Feature)
19 Rear Seat Entertainment
20 Ultrasonic Rear Parking Assist, Power Liftgate
21 Power Door Lock 1 (Lock Feature)
22 Driver Information Center (DIC)
23 Rear Wiper
24 Cooled Seats
25 Driver Seat Module, Remote Keyless Entry System
26 Driver Power Done Lock (Unlock Feature)
Circuit Breaker Usage
LT DR Driver Side Power Window Circuit Breaker
Harness Connector Usage
LT DR Driver’s Door Harness Connection
BODY Harness Connector
BODY Harness Connector

Center Instrument Panel Utility Block

The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.
Chevrolet Tahoa - fuse box - center instrument panel
Chevrolet Tahoe – fuse box – center instrument panel
Harness Connector Usage
BODY 2 Body Harness Connector 2
BODY 1 Body Harness Connector 1
BODY 3 Body Harness Connector 3
HEADLINER 3 Headliner Harness Connector 3
HEADLINER 2 Headliner Harness Connector 2
HEADLINER 1 Headliner Harness Connector 1
BRAKE CLUTCH Brake Clutch Harness Connector
SEO/UPFITTER Special Equipment Option Upfitter Harness Connector
Circuit Breaker Usage
CB1 Passenger’s Side Power Window Circuit Breaker
CB2 Passenger’s Seat Circuit Breaker
CB3 Driver’s Seat Circuit Breaker
CB4 Rear Sliding Window

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

Chevrolet Tahoe (2011) – fuse box diagram

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Chevrolet Tahoe (2011) – fuse box diagram

Year of production: 2011

Instrument panel fuse block

The instrument panel fuse block access door is located on the driver’s side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel
Chevrolet Tahoe – fuse box – instrument panel
Fuses Usage
1 Rear Seats
2 Rear Accessory Power Outlet
3 Steering Wheel Controls Backlight
4 Driver Door Module
5 Dome Lamps, Driver’s Side Turn Signal
6 Driver’s Side Turn Signal, Stoplamp
7 Instrument Panel Back Lighting
8 Passenger’s Side Turn Signal, Stoplamp
9

Passenger Door Module, Driver Unlock
10 Power Door Lock 2 (Unlock Feature)
11 Power Door Lock 2 (Lock Feature)
12 Stoplamps, Center-High Mounted Stoplamp
13 Rear Climate Controls
14 Power Mirror
15 Body Control Module (BCM)
16 Accessory Power Outlets
17 Interior Lamps
18 Power Door Lock 1 (Unlock Feature)
19 Rear Seat Entertainment
20 Ultrasonic Rear Parking Assist, Power Liftgate
21 Power Door Lock 1 (Lock Feature)
22 Driver Information Center (DIC)
23 Rear Wiper
24 Cooled Seats
25 Driver Seat Module, Remote Keyless Entry System
26 Driver Power Done Lock (Unlock Feature)
Circuit Breaker Usage
LT DR Driver Side Power Window Circuit Braker
Harness Connector Usage
LT DR Driver’s Door Harness Connection
BODY Harness Connector
BODY Harness Connector

Center Instrument Panel Utility Block

The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.
Chevrolet Tahoe - fuse box - center instrument panel fuse block
Chevrolet Tahoe – fuse box – center instrument panel fuse block
Harness Connector Usage
BODY 2 Body Harness Connector 2
BODY 1 Body Harness Connector 1
BODY 3 Body Harness Connector 3
HEADLINER 3 Headliner Harness Connector 3
HEADLINER 2 Headliner Harness Connector 2
HEADLINER 1 Headliner Harness Connector 1
BRAKE CLUTCH Brake Clutch Harness Connector
SEO/UPFITTER Special Equipment Option Upfitter Harness Connector
Circuit Breaker Usage
CB1 Passenger’s Side Power Window Circuit Breaker
CB2 Passenger’s Seat Circuit Breaker
CB3 Driver’s Seat Circuit Breaker
CB4 Rear Sliding Window

Underhood Fuse Block

The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment
Fuses Usage
1 Right Trailer Stop/Turn Lamp
2 Electronic Stability Suspension Control, Automatic Level Control Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
5 Engine Control Module, Throttle Control
6 Trailer Brake Controller
7 Front Washer
8 Oxygen Sensors
9 Anti-lock Brakes System 2
10 Trailer Back-up Lamps
11 Driver’s Side Low-Beam Headlamp
12 Engine Control Module (Battery)
13 Fuel Injectors, Ignition Coils (Right Side)
14 Transmission Control Module (Battery)
15 Vehicle Back-up Lamps
16 Passenger’s Side Low-Beam Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Fuel System Control Module
22 Headlamp Washer
23 Rear Windshield Washer
24 Fuel Injectors, Ignition Coils (Left Side)
25 Trailer Park Lamps
26 Driver’s Side Park Lamps
27 Passenger’s Side Park Lamps
28 Fog Lamps
29 Horn
30 Passenger’s Side High-Beam Headlamp
31 Daytime Running Lamps (DRL)
32 Driver’s Side High-Beam Headlamp
33 Daytime Running Lamps 2
34 Sunroof
35 Key Ignition System, Theft Deterrent System
36 Windshield Wiper
37 SEO B2 Upfitter Usage (Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Amplifier
42 Audio System
43 Miscellaneous (Ignition), Cruise Control
44 Liftgate Release
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Not Used
48 Auxiliary Climate Control (Ignition)
49 Center High-Mounted Stoplamp (CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Upfitter Usage (Battery)
53 Cigarette Lighter, Auxiliary Power Outlet
54 Automatic Level Control Compressor Relay
55 Climate Controls (Ignition)
56 Engine Control Module, Secondary Fuel Pump (Ignition)
J-Case Fuse Usage
57 Cooling Fan 1
58 Automatic Level Control Compressor
59 Heavy Duty Antilock Breaking System
60 Cooling Fan 2
61 Antilock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
65 Electric Running Boards
66 Heated Windshield Washer System
67 Transfer Casse
68 Stud 1 (Trailer Connector Battery Power)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Power Liftgate Module
72 Left Bussed Electrical Center 2
Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamp
FOG LAMP Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power

Hybrid Auxiliary Engine Compartment Fuse Block

The hybrid auxiliary engine compartment fuse block is located in the engine compartment near the front of the vehicle.

Chevrolet Tahoe - fuse box - engine compartment (hybrid auxiliary box)
Chevrolet Tahoe – fuse box – engine compartment (hybrid auxiliary box)
Fuses Usage
1 ACPO (SUV Only)
2 BECM FAN
3 ACCM
4 CAB HTR PMP
5 EMPTY
6 COOL PUMP
7 EPS
8 Drive Motor/Generator Control Module 1
9 Drive Motor/Generator Control Module 2
10 BECM
J-Case Usage
FAN 1 Cooling Fan 1
TRANS PUMP Auxiliary Transmission Fluid Pump
FAN 2 Cooling Fan 2
CAB HTR PMP Cab Heater Pump

 

Relays Usage
CAB HTR PUMP Cabin Heater Pump
COOL PUMP Coolant Pump
FAN LOW Cooling Fan Low Speed Relay
FAN MID 1 Cooling Fan Mid 1
FAN HI Cooling Fan High Speed Relay
FAN MID 2 Cooling Fan Mid 2
FAN CNTRL Cooling Fan Contro

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

Chevrolet Tahoe (2009 – 2010) – fuse box diagram

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Chevrolet Tahoe (2009 – 2010) – fuse box diagram

Year of production: 2009, 2010

Instrument panel fuse block

The instrument panel fuse block access door is located on the driver’s side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel
Chevrolet Tahoe – fuse box – instrument panel
Fuses Usage
1 Rear Seats
2 Rear Accessory Power Outlet
3 Steering Wheel Controls Backlight
4 Driver Door Module
5 Dome Lamps, Driver’s Side Turn Signal
6 Driver’s Side Turn Signal, Stoplamp
7 Instrument Panel Back Lighting
8 Passenger’s Side Turn Signal, Stoplamp
9

Passenger Door Module, Driver Unlock
10 Power Door Lock 2 (Unlock Feature)
11 Power Door Lock 2 (Lock Feature)
12 Stoplamps, Center-High Mounted Stoplamp
13 Rear Climate Controls
14 Power Mirror
15 Body Control Module (BCM)
16 Accessory Power Outlets
17 Interior Lamps
18 Power Door Lock 1 (Unlock Feature)
19 Rear Seat Entertainment
20 Ultrasonic Rear Parking Assist, Power Liftgate
21 Power Door Lock 1 (Lock Feature)
22 Driver Information Center (DIC)
23 Rear Wiper
24 Cooled Seats
25 Driver Seat Module, Remote Keyless Entry System
26 Driver Power Done Lock (Unlock Feature)
Circuit Breaker Usage
LT DR Driver Side Power Window Circuit Braker
Harness Connector Usage
LT DR Driver’s Door Harness Connection
BODY Harness Connector
BODY Harness Connector

Center Instrument Panel Utility Block

The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.
Chevrolet Tahoe - fuse box - center instrument panel fuse block
Chevrolet Tahoe – fuse box – center instrument panel fuse block
Harness Connector Usage
BODY 2 Body Harness Connector 2
BODY 1 Body Harness Connector 1
BODY 3 Body Harness Connector 3
HEADLINER 3 Headliner Harness Connector 3
HEADLINER 2 Headliner Harness Connector 2
HEADLINER 1 Headliner Harness Connector 1
BRAKE CLUTCH Brake Clutch Harness Connector
SEO/UPFITTER Special Equipment Option Upfitter Harness Connector
Circuit Breaker Usage
CB1 Passenger’s Side Power Window Circuit Breaker
CB2 Passenger’s Seat Circuit Breaker
CB3 Driver’s Seat Circuit Breaker
CB4 Rear Sliding Window

Underhood Fuse Block

The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment
Fuses Usage
1 Right Trailer Stop/Turn Lamp
2 Electronic Stability Suspension Control, Automatic Level Control Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
5 Engine Control Module, Throttle Control
6 Trailer Brake Controller
7 Front Washer
8 Oxygen Sensors
9 Anti-lock Brakes System 2
10 Trailer Back-up Lamps
11 Driver’s Side Low-Beam Headlamp
12 Engine Control Module (Battery)
13 Fuel Injectors, Ignition Coils (Right Side)
14 Transmission Control Module (Battery)
15 Vehicle Back-up Lamps
16 Passenger’s Side Low-Beam Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Fuel System Control Module
22 Headlamp Washer
23 Rear Windshield Washer
24 Fuel Injectors, Ignition Coils (Left Side)
25 Trailer Park Lamps
26 Driver’s Side Park Lamps
27 Passenger’s Side Park Lamps
28 Fog Lamps
29 Horn
30 Passenger’s Side High-Beam Headlamp
31 Daytime Running Lamps (DRL)
32 Driver’s Side High-Beam Headlamp
33 Daytime Running Lamps 2
34 Sunroof
35 Key Ignition System, Theft Deterrent System
36 Windshield Wiper
37 SEO B2 Upfitter Usage (Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Amplifier
42 Audio System
43 Miscellaneous (Ignition), Cruise Control
44 Liftgate Release
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Not Used
48 Auxiliary Climate Control (Ignition)
49 Center High-Mounted Stoplamp (CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Upfitter Usage (Battery)
53 Cigarette Lighter, Auxiliary Power Outlet
54 Automatic Level Control Compressor Relay
55 Climate Controls (Ignition)
56 Engine Control Module, Secondary Fuel Pump (Ignition)
J-Case Fuse Usage
57 Cooling Fan 1
58 Automatic Level Control Compressor
59 Heavy Duty Antilock Breaking System
60 Cooling Fan 2
61 Antilock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
65 Electric Running Boards
66 Heated Windshield Washer System
67 Transfer Casse
68 Stud 1 (Trailer Connector Battery Power)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Power Liftgate Module
72 Left Bussed Electrical Center 2
Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamp
FOG LAMP Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power

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

Chevrolet Tahoe (2008) – fuse box diagram

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Chevrolet Tahoe (2008) – fuse box diagram

Year of production: 2008

Instrument panel fuse block

The instrument panel fuse block access door is located on the driver’s side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel fuse block
Chevrolet Tahoe – fuse box – instrument panel fuse block
Fuses Usage
1 Rear Seats
2 Rear Accessory Power Outlet
3 Steering Wheel Controls Backlight
4 Driver Door Module
5 Dome Lamps, Driver’s Side Turn Signal
6 Driver’s Side Turn Signal, Stoplamp
7 Instrument Panel Back Lighting
8 Passenger’s Side Turn Signal, Stoplamp
9 Passenger Door Module, Universal Home Remote System
10 Power Door Lock 2 (Unlock Feature)
11 Power Door Lock 2 (Lock Feature)
12 Stoplamps, Center-High Mounted Stoplamp
13 Rear Climate Controls
14 Not Used
15 Body Control Module (BCM)
16 Accessory Power Outlets
17 Interior Lamps
18 Power Door Lock 1 (Unlock Feature)
19 Rear Seat Entertainment
20 Ultrasonic Rear Parking Assist, Power Liftgate
21 Power Door Lock 1 (Lock Feature)
22 Driver Information Center (DIC)
23 Rear Wiper
24 Not Used
25 Driver Seat Module, Remote Keyless Entry System
26 Not Used
Harness Connector Usage
LT DR Driver’s Door Harness Connection
BODY Harness Connector
BODY Harness Connector

Center Instrument Panel Utility Block

The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.
Chevrolet Tahoe - fuse box - center instrument panel fuse block
Chevrolet Tahoe – fuse box – center instrument panel fuse block
Harness Connector Usage
BODY 2 Body Harness Connector 2
BODY 1 Body Harness Connector 1
BODY 3 Body Harness Connector 3
HEADLINER 3 Headliner Harness Connector 3
HEADLINER 2 Headliner Harness Connector 2
HEADLINER 1 Headliner Harness Connector 1
BRAKE CLUTCH Brake Clutch Harness Connector
SEO/UPFITTER Special Equipment Option Upfitter Harness Connector
Circuit Breaker Usage
CB1 Passenger’s Side Power Window Circuit Breaker
CB2 Passenger’s Seat Circuit Breaker
CB3 Driver’s Seat Circuit Breaker
CB4 Rear Sliding Window

Underhood Fuse Block

The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment
Fuses Usage
1 Right Trailer Stop/Turn Lamp
2 Electronic Stability Suspension Control, Automatic Level Control Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
5 Engine Control Module, Throttle Control
6 Trailer Brake Controller
7 Front Washer
8 Oxygen Sensors
9 Anti-lock Brakes System 2
10 Trailer Back-up Lamps
11 Driver’s Side Low-Beam Headlamp
12 Engine Control Module (Battery)
13 Fuel Injectors, Ignition Coils (Right Side)
14 Transmission Control Module (Battery)
15 Vehicle Back-up Lamps
16 Passenger’s Side Low-Beam Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Fuel System Control Module
22 Headlamp Washer
23 Rear Windshield Washer
24 Fuel Injectors, Ignition Coils (Left Side)
25 Trailer Park Lamps
26 Driver’s Side Park Lamps
27 Passenger’s Side Park Lamps
28 Fog Lamps
29 Horn
30 Passenger’s Side High-Beam Headlamp
31 Daytime Running Lamps (DRL)
32 Driver’s Side High-Beam Headlamp
33 Daytime Running Lamps 2
34 Sunroof
35 Key Ignition System, Theft Deterrent System
36 Windshield Wiper
37 SEO B2 Upfitter Usage (Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Amplifier
42 Audio System
43 Miscellaneous (Ignition), Cruise Control
44 Liftgate Release
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Power Take-Off
48 Auxiliary Climate Control (Ignition), Compass-Temperature Mirror
49 Center High-Mounted Stoplamp (CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Upfitter Usage (Battery)
53 Cigarette Lighter, Auxiliary Power Outlet
54 Automatic Level Control Compressor Relay, SEO Upfitter Usage
55 Climate Controls (Ignition)
56 Engine Control Module, Secondary Fuel Pump (Ignition)
J-Case Fuse Usage
60 Cooling Fan 1
61 Antilock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
65 Electric Running Boards
66 Heated Windshield Washer System
67 Four-Wheel Drive System
68 Stud 1 (Trailer Connector Battery Power)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Power Liftgate Module
72 Left Bussed Electrical Center 2
Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
ENG EXH VLV Not Used
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamp
FOG LAMP Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power

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

Chevrolet Tahoe (2007) – fuse box diagram

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Chevrolet Tahoe (2007) – fuse box diagram

Year of production: 2007

Instrument panel fuse block

The instrument panel fuse block access door is located on the driver’s side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel fuse block
Chevrolet Tahoe – fuse box – instrument panel fuse block
Fuses Usage
AUX PWR2 Rear Cargo Area Power Outlets
SWC BKLT Steering Wheel Controls Backlight
DDM Driver Door Module
CTSY Dome Lamps, Driver’s Side Turn Signal
LT STOP TRN Driver’s Side Turn Signal, Stoplamp
DIM Instrument Panel Back Lighting
RT STOP TRN Passenger’s Side Turn Signal, Stoplamp
BCM Body Control Module
UNLCK2 Power Door Lock 2 (Unlock Feature)
LCK2 Power Door Lock 2 (Lock Feature)
STOP LAMPS Stoplamps, Center-High Mounted Stoplamp
REAR HVAC Rear Climate Controls
PDM Passenger Door Module, Universal Home Remote System
AUX PWR Accessory Power Outlets
IS LPS Interior Lamps
UNLCK1 Power Door Lock 1 (Unlock Feature)
OBS DET Ultrasonic Rear Parking Assist, Power Liftgate
LCK1 Power Door Lock 1 (Lock Feature)
REAR WPR Rear Wiper
COOLED SEATS Not Used
DSM Driver Seat Module, Remote Keyless Entry System
Harness Connector Usage
LT DR Driver’s Door Harness Connection
BODY Harness Connector
BODY Harness Connector

Center Instrument Panel Utility Block

The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.
Chevrolet Tahoe - fuse box - center instrument panel fuse block
Chevrolet Tahoe – fuse box – center instrument panel fuse block 
Harness Connector Usage
BODY 2 Body Harness Connector 2
BODY 1 Body Harness Connector 1
BODY 3 Body Harness Connector 3
HEADLINER 3 Headliner Harness Connector 3
HEADLINER 2 Headliner Harness Connector 2
HEADLINER 1 Headliner Harness Connector 1
BRAKE CLUTCH Brake Clutch Harness Connector
SEO/UPFITTER Special Equipment Option Upfitter Harness Connector
Circuit Breaker Usage
CB1 Passenger’s Side Power Window Circuit Breaker
CB2 Passenger’s Seat Circuit Breaker
CB3 Driver’s Seat Circuit Breaker
CB4 Not Used

Underhood Fuse Block

The underhood fuse block is located in the engine compartment, on the driver’s side of the vehicle.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment
Fuses Usage
1 Not Used
2 Electronic Stability Suspension Control, Automatic Level Control Exhaust
3 Left Trailer Stop/Turn Lamp
4 Engine Controls
5 Engine Control Module, Throttle Control
6 Right Trailer Stop/Turn Lamp
7 Front Washer
8 Oxygen Sensors
9 Anti-lock Brakes System 2
10 Trailer Back-up Lamps
11 Driver’s Side Low-Beam Headlamp
12 Engine Control Module (Battery)
13 Fuel Injectors, Ignition Coils (Right Side)
14 Transmission Control Module (Battery)
15 Vehicle Back-up Lamps
16 Passenger’s Side Low-Beam Headlamp
17 Air Conditioning Compressor
18 Oxygen Sensors
19 Transmission Controls (Ignition)
20 Fuel Pump
21 Not Used
22 Rear Washer
23 Fuel Injectors, Ignition Coils (Left Side)
24 Trailer Park Lamps
25 Driver’s Side Park Lamps
26 Passenger’s Side Park Lamps
27 Fog Lamps
28 Horn
29 Passenger’s Side High-Beam Headlamp
30 Daytime Running Lamps
31 Driver’s Side High-Beam Headlamp
32 Not Used
33 Sunroof, Emergency Roof Lamp
34 Key Ignition System, Theft Deterrent System
35 Windshield Wiper
36 SEO B2 Upfitter Usage (Battery)
37 Electric Adjustable Pedals
38 Climate Controls (Battery)
39 Airbag System (Ignition)
40 Amplifier
41 Audio System
42 Four-Wheel Drive
43 Miscellaneous (Ignition), Rear Vision Camera, Cruise Control
44 Liftgate Release
45 OnStar®, Rear Seat Entertainment Display
46 Instrument Panel Cluster
47 Not Used
48 Not Used
49 Auxiliary Climate Control (Ignition), Compass-Temperature Mirror
50 Rear Defogger
51 Airbag System (Battery)
52 SEO B1 Upfitter Usage (Battery)
53 Cigarette Lighter, Auxiliary Power Outlet
54 Automatic Level Control Compressor Relay, SEO Upfitter Usage
55 Climate Controls (Ignition)
56 Engine Control Module, Secondary Fuel Pump (Ignition)

J-Case Fuse Usage
60 Cooling Fan 1
61 Automatic Level Control Compressor
62 Heavy Duty Anti-lock Brake System
63 Cooling Fan 2
64 Anti-lock Brake System 1
65 Starter
66 Stud 2 (Trailer Brakes)
67 Left Bussed Electrical Center 1
68 Electric Running Boards
69 Heated Windshield Washer System
70 Four-Wheel Drive System
71 Stud 1 (Trailer Connector Battery Power
72 Mid-Bussed Electrical Center 1
73 Climate Control Blower
74 Power Liftgate Module
75 Left Bussed Electrical Center 2
Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
ENG EXH VLV Not Used
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamp
FOG LAMP Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power

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

Chevrolet Tahoe (2006) – fuse box diagram

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Chevrolet Tahoe (2006) – fuse box diagram

Year of production: 2006

Instrument panel fuse block

The fuse block access door is on the driver’s side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel fuse block
Chevrolet Tahoe – fuse box – instrument panel fuse block
Fuses Usage
RR WPR Rear Window Wiper Switch
SEO ACCY Special Equipment Option Accessory
WS WPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Ignition, Heated Seats
4WD Four-wheel Drive System, Auxiliary Battery
HTR A/C Climate Control System
LCK Power Door Lock Relay (Lock Function)
HVAC 1 Inside Rearview Mirror, Climate Control System
L DR Driver’s Door Harness Connection
CRUISE CRUISE Control
UNLOCK Power Door Lock Relay (Unlock Function)
RR FOG LP Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
DRIVER UNLCK Power Door Lock Relay (Drive’s Door Unlock Function)
IGN 0 PCM, TCM
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN Right Turn Signals and Sidemarkers
BODY Harmess Connector
DDM Driver Door Module
AUX PWR 2, M/GATE Rear Cargo Area Power Outlet
LCKS Power Door Lock System
TBC 2C Truck Body Controller
HAZARD Flasher Module
CB LT DOORS Left Power Window Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller

Center Instrument Panel Utility Block

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.
Chevrolet Tahoe - fuse box - center instrument panel fuse block
Chevrolet Tahoe – fuse box – center instrument panel fuse block
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Upfitter (Not Used)
SL RIDE Ride Control Harness Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Window Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

Underhood Electrical Center

The underhood electrical center is located on the driver’s side of the engine compartment near the battery.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment

*1 –  Gasoline Engine and Fuel Injection Rail #2

*2 –  Gasoline Engine and Fuel Injection Rail #1

*3 –  Gasoline Engine; Oxygen Sensor

*4 –  Gasoline Engine; Oxygen Sensor

*5 – Ignition

*6 – Powertrain Control Module, Fuel Pump

*7 – Rear Climate Control

*8 – Sunroof
Fuses Usage
GLOW PLUG Not Used
CUST FEED Gasoline Accessory Power
HYBRID Hybrid
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet-Rear Cargo Area and Instrument Panel
STUD #2* Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Iqnition Power
IGN B Iqnition Power
LBEC 1 Left Bussed Electrical Center, Left Door, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps, Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STRTR Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
SEO B2 Off-Road Lamps
4WS Not Used
AUX HVAC Auxiliary Power Outlet – Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Electronic Suspension Control, Automatic Level Control (ALC) Exhaust
TRL B/U Backup Lamps Trailer Wiring
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
AIRBAG Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air conditioning Compressor
A/C COMP Air conditioning Compressor Relay
TCMB Transmission Control Module
RR WPR Rear Wiper/Washer
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, HomeLink, Rear Heated Seats
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interlock System
CRNK Starting System
LO HDLP-RT Passenger’s Side Headlamp Low Beam
FOG LP Fog lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield and Rear Window Washer Pump Relay
W/S WASH Windshield and Rear Window Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist

Auxiliary Electric Cooling Fan Fuse Block

Chevrolet Tahoe - fuse box - auxiliary electric cooling fan fuse block
Chevrolet Tahoe – fuse box – auxiliary electric cooling fan fuse block
Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays Usage
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 2 Cooling Fan Relay 3
COOL/FAN 3 Cooling Fan Relay 2

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

Chevrolet Tahoe (2005) – fuse box diagram

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Chevrolet Tahoe (2005) – fuse box diagram

Year of production: 2005

Instrument panel fuse block

The fuse block access door is on the driver’s side edge of the instrument panel.

Chevrolet Tahoe - fuse box - instrument panel fuse block
Chevrolet Tahoe – fuse box – instrument panel fuse block
Fuses Usage
RR Wiper Rear Window Wiper Switch
SEO ACCY Special Equipment Option Accessory
WS WPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Ignition, Heated Seats
4WD Four-wheel Drive System, Auxiliary Battery
HTR A/C Climate Control System
LOCK Power Door Lock Relay (Lock Function)
HVAC 1 Inside Rearview Mirror, Climate Control System
L DOOR Driver’s Door Harness Connection
CRUISE CRUISE Control
UNLOCK Power Door Lock Relay (Unlock Function)
RR FOG LP Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
DRIVER UNLOCK Power Door Lock Relay (Drive’s Door Unlock Function)
IGN 0 PCM, TCM
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN Right Turn Signals and Sidemarkers
BODY Harmess Connector
DDM Driver Door Module
AUX PWR 2 Rear Cargo Area Power Outlet
LOCKS Power Door Lock System
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Power Window Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller

Center Instrument Panel Utility Block

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.

Chevrolet Tahoe - fuse box - center instrument panel
Chevrolet Tahoe – fuse box – center instrument panel
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Upfitter (Not Used)
SL RIDE Ride Control Harness Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Window Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

Underhood Electrical Center

The underhood electrical center is located on the driver’s side of the engine compartment near the battery.

Chevrolet Tahoe - fuse box - engine compartment
Chevrolet Tahoe – fuse box – engine compartment

*1 –  Gasoline Engine and Fuel Injection Rail #2

*2 –  Gasoline Engine and Fuel Injection Rail #1

*3 –  Gasoline Engine; Oxygen Sensor

*4 –  Gasoline Engine; Oxygen Sensor

*5 –  PCM Ignition

Fuses Usage
GLOW PLUG Not Used
CUST FEED Gasoline Accessory Power
HYBRID Hybrid
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet-Rear Cargo Area and Instrument Panel
STUD 2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Iqnition Power
IGN B Iqnition Power
LBEC 1 Left Bussed Electrical Center, Left Door, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps, Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/QUADRASTEER Module Power
RR HVAC Rear Climate Control
AUX HVAC Auxiliary Power Outlet – Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
AIRBAG Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air conditioning Compressor
A/C COMP Air conditioning Compressor Relay
RR WPR Rear Wiper/Washer
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, HomeLink, Rear Heated Seats
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog lamp Relay
FOG LP Fog Lamp
HORN Horn Fuse
HORN Horn Relay
W/S WASH Windshield and Rear Window Washer Pump Relay
W/S WASH Windshield and Rear Window Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist

Auxiliary Electric Cooling Fan Fuse Block

Chevrolet Tahoe - fuse box - auxiliary electric cooling fan fuse block
Chevrolet Tahoe – fuse box – auxiliary electric cooling fan fuse block
Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays Usage
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 2 Cooling Fan Relay 3
COOL/FAN 3 Cooling Fan Relay 2

 

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