Owner’s manual specs
2008 GMC Sierra Specs: Fuse Box
Figures for the 2008 GMC Sierra, copied from GMC’s own owner’s manual. Every one links to the manual page it came from.
From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.
Fuse box locations & fuse chart
Center Instrument Panel Fuse Block
Where to find it
Center Instrument Panel Fuse Block The center instrument panel fuse block is located underneath the instrument panel, to the left of the steering column.
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Right Trailer Stop/Turn Lamp | p.5-112 |
| 3 | — | Left Trailer Stop/Turn Lamp | p.5-112 |
| 4 | — | Engine Controls | p.5-112 |
| 5 | — | Engine Control Module, Throttle Control | p.5-113 |
| 6 | — | Trailer Brake Controller | p.5-113 |
| 7 | — | Front Washer | p.5-113 |
| 8 | — | Oxygen Sensor | p.5-113 |
| 9 | — | Antilock Brakes System 2 | p.5-113 |
| 10 | — | Trailer Back-up Lamps | p.5-113 |
| 11 | — | Driver Side Low-Beam Headlamp | p.5-113 |
| 12 | — | Engine Control Module (Battery) | p.5-113 |
| 13 | — | Fuel Injectors, Ignition Coils (Right Side) | p.5-113 |
| 15 | — | Vehicle Back-up Lamps | p.5-113 |
| 17 | — | Air Conditioning Compressor | p.5-113 |
| 18 | — | Oxygen Sensors | p.5-113 |
| 19 | — | Transmission Controls (Ignition) | p.5-113 |
| 20 | — | Fuel Pump | p.5-113 |
| 21 | — | Fuel System Control Module | p.5-113 |
| 22 | — | Not Used | p.5-113 |
| 23 | — | Not Used | p.5-113 |
| 25 | — | Trailer Park Lamps | p.5-113 |
| 26 | — | Driver Side Park Lamps | p.5-113 |
| 27 | — | Passenger Side Park Lamps | p.5-113 |
| 28 | — | Fog Lamps | p.5-113 |
| 29 | — | Horn | p.5-113 |
| 31 | — | Daytime Running Lamps | p.5-113 |
| 32 | — | Driver Side High-Beam Headlamp | p.5-113 |
| 33 | — | Daytime Running Lights 2 | p.5-113 |
| 34 | — | Sunroof | p.5-114 |
| 36 | — | Windshield Wiper | p.5-114 |
| 37 | — | SEO B2 Upfitter Usage (Battery) | p.5-114 |
| 38 | — | Electric Adjustable Pedals | p.5-114 |
| 39 | — | Climate Controls (Battery) | p.5-114 |
| 40 | — | Airbag System (Ignition) | p.5-114 |
| 41 | — | Amplifier | p.5-114 |
| 42 | — | Audio System | p.5-114 |
| 43 | — | Miscellaneous (Ignition), Cruise Control | p.5-114 |
| 44 | — | Not Used | p.5-114 |
| 45 | — | Airbag System (Battery) | p.5-114 |
| 46 | — | Instrument Panel Cluster | p.5-114 |
| 47 | — | Power Take-Off | p.5-114 |
| 48 | — | Auxiliary Climate Control (Ignition), Compass-Temperature Mirror | p.5-114 |
| 50 | — | Rear Defogger | p.5-114 |
| 51 | — | Heated Mirrors | p.5-114 |
| 52 | — | SEO B1 Upfitter Usage (Battery) | p.5-114 |
| 53 | — | Cigarette Lighter, Auxiliary Power Outlet | p.5-114 |
| 55 | — | Climate Controls (Ignition) | p.5-114 |
| 56 | — | Engine Control Module, Secondary Fuel Pump (Ignition) | p.5-114 |
| 57 | — | Cooling Fan 1 | p.5-115 |
| 58 | — | Not Used | p.5-115 |
| 59 | — | Heavy Duty Antilock Brake System | p.5-115 |
| 60 | — | Cooling Fan 2 | p.5-115 |
| 61 | — | Antilock Brake System 1 | p.5-115 |
| 62 | — | Starter | p.5-115 |
| 63 | — | Stud 2 (Trailer Brakes) | p.5-115 |
| 64 | — | Left Bussed Electrical Center 1 | p.5-115 |
| 65 | — | Not Used | p.5-115 |
| 66 | — | Heated Windshield Washer System | p.5-115 |
| 67 | — | Four-Wheel Drive System | p.5-115 |
| 69 | — | Mid-Bussed Electrical Center 1 | p.5-115 |
| 70 | — | Climate Control Blower | p.5-115 |
| 72 | — | Not Used | p.5-115 |
| 73 | — | Left Bussed Electrical Center 2 | p.5-115 |
Instrument Panel Fuse Block
Where to find it
Instrument Panel Fuse Block The instrument panel fuse block access door is located on the driver side edge of the instrument panel.
Pull off the cover to access the fuse block.
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Rear Seats | p.5-109 |
| 2 | — | Rear Accessory Power Outlet | p.5-109 |
| 3 | — | Steering Wheel Controls Backlight | p.5-109 |
| 4 | — | Driver Door Module | p.5-109 |
| 6 | — | Driver Side Turn Signal, Stoplamp | p.5-109 |
| 7 | — | Instrument Panel Back Lighting | p.5-110 |
| 8 | — | Passenger Side Turn Signal, Stoplamp | p.5-110 |
| 10 | — | Power Door Lock 2 (Unlock Feature) | p.5-110 |
| 11 | — | Power Door Lock 2 (Lock Feature) | p.5-110 |
| 13 | — | Rear Climate Controls | p.5-110 |
| 14 | — | Power Mirror | p.5-110 |
| 15 | — | Body Control Module (BCM) | p.5-110 |
| 16 | — | Accessory Power Outlets | p.5-110 |
| 17 | — | Interior Lamps | p.5-110 |
| 18 | — | Power Door Lock 1 (Unlock Feature) | p.5-110 |
| 19 | — | Rear Seat Entertainment | p.5-110 |
| 20 | — | Ultrasonic Rear Parking Assist | p.5-110 |
| 21 | — | Power Door Lock 1 (Lock Feature) | p.5-110 |
| 22 | — | Driver Information Center (DIC) | p.5-110 |
| 23 | — | Not Used | p.5-110 |
| 24 | — | Not Used | p.5-110 |
| 25 | — | Driver Seat Module, Remote Keyless Entry System | p.5-110 |
| 26 | — | Driver Power Door Lock (Unlock Feature) | p.5-110 |
More fuse pages in the manual
Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.
- 2008 GMC Sierra Owner Manual, page 5-126
- 2008 GMC Sierra Denali Owner Manual, page 5-110
- 2008 GMC Sierra Denali Owner Manual, page 5-113
- 2008 GMC Sierra Denali Owner Manual, page 5-114
- 2008 GMC Sierra Denali Owner Manual, page 5-115
- 2008 GMC Sierra Denali Owner Manual, page 5-116
- 2008 GMC Sierra Owner Manual, page 5-128
- 2008 GMC Sierra Owner Manual, page 5-129
- 2008 GMC Sierra Owner Manual, page 5-130
Not on this page
- Fluids & capacities: The manual gives different answers by configuration, so we've left them out.
- Maintenance schedule: The manual gives different answers by configuration, so we've left them out.
- Oil life & reset procedures: The manual gives different answers by configuration, so we've left them out.