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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.

Source: 2008 GMC Sierra Owner Manual, page 5-125

What each fuse protects

FuseAmpsProtectsSource
1—Right Trailer Stop/Turn Lampp.5-112
3—Left Trailer Stop/Turn Lampp.5-112
4—Engine Controlsp.5-112
5—Engine Control Module, Throttle Controlp.5-113
6—Trailer Brake Controllerp.5-113
7—Front Washerp.5-113
8—Oxygen Sensorp.5-113
9—Antilock Brakes System 2p.5-113
10—Trailer Back-up Lampsp.5-113
11—Driver Side Low-Beam Headlampp.5-113
12—Engine Control Module (Battery)p.5-113
13—Fuel Injectors, Ignition Coils (Right Side)p.5-113
15—Vehicle Back-up Lampsp.5-113
17—Air Conditioning Compressorp.5-113
18—Oxygen Sensorsp.5-113
19—Transmission Controls (Ignition)p.5-113
20—Fuel Pumpp.5-113
21—Fuel System Control Modulep.5-113
22—Not Usedp.5-113
23—Not Usedp.5-113
25—Trailer Park Lampsp.5-113
26—Driver Side Park Lampsp.5-113
27—Passenger Side Park Lampsp.5-113
28—Fog Lampsp.5-113
29—Hornp.5-113
31—Daytime Running Lampsp.5-113
32—Driver Side High-Beam Headlampp.5-113
33—Daytime Running Lights 2p.5-113
34—Sunroofp.5-114
36—Windshield Wiperp.5-114
37—SEO B2 Upfitter Usage (Battery)p.5-114
38—Electric Adjustable Pedalsp.5-114
39—Climate Controls (Battery)p.5-114
40—Airbag System (Ignition)p.5-114
41—Amplifierp.5-114
42—Audio Systemp.5-114
43—Miscellaneous (Ignition), Cruise Controlp.5-114
44—Not Usedp.5-114
45—Airbag System (Battery)p.5-114
46—Instrument Panel Clusterp.5-114
47—Power Take-Offp.5-114
48—Auxiliary Climate Control (Ignition), Compass-Temperature Mirrorp.5-114
50—Rear Defoggerp.5-114
51—Heated Mirrorsp.5-114
52—SEO B1 Upfitter Usage (Battery)p.5-114
53—Cigarette Lighter, Auxiliary Power Outletp.5-114
55—Climate Controls (Ignition)p.5-114
56—Engine Control Module, Secondary Fuel Pump (Ignition)p.5-114
57—Cooling Fan 1p.5-115
58—Not Usedp.5-115
59—Heavy Duty Antilock Brake Systemp.5-115
60—Cooling Fan 2p.5-115
61—Antilock Brake System 1p.5-115
62—Starterp.5-115
63—Stud 2 (Trailer Brakes)p.5-115
64—Left Bussed Electrical Center 1p.5-115
65—Not Usedp.5-115
66—Heated Windshield Washer Systemp.5-115
67—Four-Wheel Drive Systemp.5-115
69—Mid-Bussed Electrical Center 1p.5-115
70—Climate Control Blowerp.5-115
72—Not Usedp.5-115
73—Left Bussed Electrical Center 2p.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.

Source: 2008 GMC Sierra Owner Manual, page 5-124

What each fuse protects

FuseAmpsProtectsSource
1—Rear Seatsp.5-109
2—Rear Accessory Power Outletp.5-109
3—Steering Wheel Controls Backlightp.5-109
4—Driver Door Modulep.5-109
6—Driver Side Turn Signal, Stoplampp.5-109
7—Instrument Panel Back Lightingp.5-110
8—Passenger Side Turn Signal, Stoplampp.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 Controlsp.5-110
14—Power Mirrorp.5-110
15—Body Control Module (BCM)p.5-110
16—Accessory Power Outletsp.5-110
17—Interior Lampsp.5-110
18—Power Door Lock 1 (Unlock Feature)p.5-110
19—Rear Seat Entertainmentp.5-110
20—Ultrasonic Rear Parking Assistp.5-110
21—Power Door Lock 1 (Lock Feature)p.5-110
22—Driver Information Center (DIC)p.5-110
23—Not Usedp.5-110
24—Not Usedp.5-110
25—Driver Seat Module, Remote Keyless Entry Systemp.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.

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.

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