Chevrolet Tahoe (2012 – 2014) – fuse box diagram

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.