GMC Sierra (2009 – 2013) – fuse box diagram

GMC Sierra (2009 – 2013) – fuse box diagram

Year of production: 2009, 2010, 2011, 2012, 2013

Instrument Panel Fuse Block

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

GMC Sierra – fuse box – instrument panel
GMC Sierra – 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 Side Turn Signal, Stoplamp
7 Instrument Panel Back Lighting
8 Passenger Side Turn Signal, Stoplamp
9 Universal Home Remote
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
21 Power Door Lock 1 (Lock Feature)
22 Driver Information Center (DIC)
23 Not Used
24 Not Used
25 Driver Seat Module, Remote Keyless Entry System
26 Driver Power Door Lock (Unlock Feature)


Circuit Breaker Usage
LT DR Driver’s Side Power Window Circuit Breaker


Harness Connector Usage
LT DR Driver’s Door Harness Connection
BODY Harness Connector
BODY Harness Connector

Center Instrument Panel Fuse Block

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

GMC Sierra – fuse box – central instrument panel
GMC Sierra – fuse box – central 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
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.

GMC Sierra – fuse box – engine compartment
GMC Sierra – 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 Not Used
23 Not Used
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
32 Driver’s Side High-Beam Headlamp
33 Daytime Running Lights 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 Not Used
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 Usage
57 Cooling Fan 1
58 Nit Used
59 Heavy Duty Anti-lock Brake System
60 Cooling Fan 2
61 Anti-lock Brake System 1
62 Starter
63 Stud 2 (Trailer Brakes)
64 Left Bussed Electrical Center 1
65 Not Used
66 Heated Windshield Washer System
67 Four-Wheel Drive System
68 Stud 1 (Trailer Connector Battery Power) (Optional – 40A Fuse Required)
69 Mid-Bussed Electrical Center 1
70 Climate Control Blower
71 Not Used
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 Front Fog Lamps
A/C CMPRSR 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.