This article provides fuse box diagrams for GMC Sierra models from 2007 to 2013. It includes details on the locations of the fuse panels within the vehicle and explains the specific function of each fuse and relay (fuse layout).
Table of Contents
Cigar lighter (power outlet) fuses in the GMC Sierra are the fuse #55 (2007) or #53 (since 2008) (Cigarette Lighter, Auxiliary Power Outlet) in the Engine compartment fuse box, and fuses #2 “AUX PWR2” (Rear Accessory Power Outlet), #16 “AUX PWR” (Accessory Power Outlets) in the Instrument Panel Fuse box.
[2007]
Engine compartment
| Number | Description |
|---|---|
| 1 | Right Trailer Stop/Turn Lamp |
| 2 | Not Used |
| 3 | Electronic Stability Suspension Control, Automatic Level Control Exhaust |
| 4 | Left Trailer Stop/Turn Lamp |
| 5 | Engine Controls |
| 6 | Engine Control Module, Throttle Control |
| 7 | Trailer Brake Controller |
| 8 | Front Washer |
| 9 | Oxygen Sensors |
| 10 | Anti-lock Brakes System 2 |
| 11 | Trailer Back-up Lamps |
| 12 | Driver’s Side Low-Beam Headlamp |
| 13 | Engine Control Module (Battery) |
| 14 | Fuel Injectors, Ignition Coils (Right Side) |
| 15 | Transmission Control Module (Battery) |
| 16 | Vehicle Back-up Lamps |
| 17 | Passenger’s Side Low-Beam Headlamp |
| 18 | Air Conditioning Compressor |
| 19 | Oxygen Sensors |
| 20 | Transmission Controls (Ignition) |
| 21 | Fuel Pump |
| 22 | Fuel System Control Module |
| 23 | Not Used |
| 24 | Not Used |
| 25 | Fuel Injectors, Ignition Coils (Left Side) |
| 26 | Trailer Parle Lamps |
| 27 | Driver’s Side Parle Lamps |
| 28 | Passenger’s Side Parle Lamps |
| 29 | Fog Lamps |
| 30 | Horn |
| 31 | Passenger’s Side High-Beam Headlamp |
| 32 | Daytime Running Lamps |
| 33 | Driver’s Side High-Beam Headlamp |
| 34 | Not Used |
| 35 | Sunroof |
| 36 | Key Ignition System, Theft Deterrent System |
| 37 | Windshield Wiper |
| 38 | SEO B2 Upfitter Usage (Battery) |
| 39 | Electric Adjustable Pedals |
| 40 | Climate Controls (Battery) |
| 41 | Airbag System (Ignition) |
| 42 | Amplifier |
| 43 | Audio System |
| 44 | Miscellaneous (Ignition), Cruise Control |
| 45 | Tailgate Open/Close Assist |
| 46 | Airbag System (Battery) |
| 47 | OnStar®, Rear Seat Entertainment Display |
| 48 | Instrument Panel Cluster |
| 49 | Power Take-Off |
| 50 | Auxiliary Climate Control (Ignition), Compass-Temperature Mirror |
| 51 | Center High-Mounted Stoplamp (CHMSL) |
| 52 | Rear Defogger |
| 53 | Heated Mirrors |
| 54 | SEO B1 Upfitter Usage (Battery) |
| 55 | Cigarette Lighter, Auxiliary Power Outlet |
| 56 | Automatic Level Control Compressor Relay, SEO Upfitter Usage |
| 57 | Climate Controls (Ignition) |
| 58 | Engine Control Module, Secondary Fuel Pump (Ignition) |
| J-Case | |
| 59 | Cooling Fan 1 |
| 60 | Automatic Level Control Compressor |
| 61 | Heavy Duty AntWock Brake System |
| 62 | Cooling Fan 2 |
| 63 | Anti-lock Brake System 1 |
| 64 | Starter |
| 65 | Stud 2 (Trailer Brakes) |
| 66 | Left Bussed Electrical Center 1 |
| 67 | Not Used |
| 68 | Heated Windshield Washer System |
| 69 | Four-Wheel Drive System |
| 70 | Stud 1 (Trailer Connector Battery Power) (Optional – 40A Fuse Required) |
| 71 | Mid-Bussed Electrical Center 1 |
| 72 | Climate Control Blower |
| 73 | Tailgate Open/Close Assist |
| 74 | Left Bussed Electrical Center 2 |
| Relays | |
| 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 | 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 |
Instrument Panel
| Name | Description |
|---|---|
| REAR SEAT | Rear Seats |
| AUX PWR2 | Rear Accessory Power Outlet |
| SWC BKLT | Steering Wheel Controls Backlight |
| DDM | Driver Door Module |
| CTSY | Dome Lamps, Driver’s Side Turn Signal |
| LT STOP TRN | Driver Side Turn Signal, Stoplamp |
| DIM | Instrument Panel Back Lighting |
| RT STOP TRN | Passenger Side Turn Signal, Stoplamp |
| PDM | Passenger Door Module, Universal Home Remote System |
| 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 |
| PWRMIR | Power Mirror |
| BCM | Body Control Module (BCM) |
| AUX PWR | Accessory Power Outlets |
| IS LAMPS | Interior Lamps |
| UNLCK1 | Power Door Lock 1 (Unlock Feature) |
| OBS DET | Ultrasonic Rear Parking Assist |
| LCK1 | Power Door Lock 1 (Lock Feature) |
| REAR WPR | Not Used |
| COOLED SEATS | Not Used |
| DSM | Driver Seat Module, Remote Keyless Entry System |
| DRV UNLCK | Driver’s Power Door Lock (Unlock Feature) |
| Circuit Breaker | |
| LT DR | Driver’s Side Power Window Circuit Breaker |
| Harness Connector | |
| LT DR | Driver’s Door Harness Connection |
| BODY | Harness Connector |
| BODY | Harness Connector |
Center Fuse Block
| Harness Connector | Description |
|---|---|
| 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 | |
| CB1 | Passenger’s Side Power Window Circuit Breaker |
| CB2 | Passenger’s Seat Circuit Breaker |
| CB3 | Driver’s Seat Circuit Breaker |
| CB4 | Not Used |
[2008]
Engine compartment
| Number | Description |
|---|---|
| 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 | Passengers Side Park Lamps |
| 28 | Fog Lamps |
| 29 | Horn |
| 30 | Passengers Side High-Beam Headlamp |
| 31 | Daytime Running Lamps |
| 32 | Drivers Side High-Beam Headlamp |
| 33 | Daytime Running Lights 2 |
| 34 | Sunroof |
| 35 | Key Ignition System, Tbeft 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 | |
| 57 | Cooling Fan 1 |
| 58 | Nit Used |
| 59 | Heavy Duty AntMock 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 |
| 72 | Not Used |
| 73 | Left Bussed Electrical Center 2 |
| Relays | |
| 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 | 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 |
Instrument Panel
| Number | Description |
|---|---|
| 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 | |
| LT DR | Driver’s Side Power Window Circuit Breaker |
| Harness Connector | |
| LT DR | Driver’s Door Harness Connection |
| BODY | Harness Connector |
| BODY | Harness Connector |
Center Fuse Block
| Harness Connector | Description |
|---|---|
| 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 | |
| CB1 | Passenger’s Side Power Window Circuit Breaker |
| CB2 | Passenger’s Seat Circuit Breaker |
| CB3 | Driver’s Seat Circuit Breaker |
| CB4 | Rear Sliding Window |
[2009/2010/2011/2012/2013]
Engine compartment
| Number | Description |
|---|---|
| 1 | Right Trailer Stop/Turn Lamp |
| 2 | Electronic Stabiity 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 | |
| 57 | Cooling Fan 1 |
| 58 | Nit Used |
| 59 | Heavy Duty AntMock 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 | |
| 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 | 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 |
Instrument Panel
| Number | Description |
|---|---|
| 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 | |
| LT DR | Driver’s Side Power Window Circuit Breaker |
| Harness Connector | |
| LT DR | Driver’s Door Harness Connection |
| BODY | Harness Connector |
| BODY | Harness Connector |
Center Fuse Block
| Harness Connector | Description |
|---|---|
| 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 | |
| CB1 | Passengers Side Power Window Circuit Breaker |
| CB2 | Passengers Seat Circuit Breaker |
| CB3 | Drivers Seat Circuit Breaker |
| CB4 | Rear Sliding Window |
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.