Jonathan Yarden Mar 27, 2021 · 5 min. read
In this article you will find a description of fuses and relays GMC,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2008, 2009, 2010
Floor Console Fuse Block
The floor console fuse block is located under the driver’s seat.
Fuse | Usage |
1 | Climate Control 2 (HVAC) |
2 | Compass |
3 | Ignition Switch, Theft Deterrent System Module (PK3) |
4 | Upfitter Courtesy Lamps |
5 | Climate Control 1 (HVAC) |
6 | Empty |
7 | Instrument Panel Cluster |
8 | Audio System, Chime |
9 | Auxiliary Park Lamp |
10 | Auxiliary Trailer Back-up Lamps |
11 | Remote Function Actuator, Tire Pressure Monitor (TPM) |
12 | Climate Control (HVAC) Controls |
13 | Trailer Park Lamps |
14 | Front Park Lamps |
15 | Taillamps, Back-up Lamps |
16 | Empty |
17 | Steering Wheel Sensor |
18 | Outside Rearview Mirror Switch |
19 | Empty |
20 | Empty |
21 | Rear Defogger |
22 | Outside Rearview Mirror Heater |
23 | Empty |
24 | Empty |
25 | Cargo Door Unlock |
26 | Rear Door Lock |
27 | Front Door Lock |
28 | Rear Passenger Door Unlock |
29 | Upfitter Park Lamps |
30 | Front Passenger Door Unlock |
31 | Driver Door Unlock |
32 | Airbag System, Automatic Occupant Sensing (AOS) System |
33 | Right Rear Park Lamp |
34 | Left Rear Park Lamp |
35 | Upfitter Auxiliary 2 (J-Case) |
36 | Upfitter Auxiliary 1 (J-Case) |
37 | Rear Blower (J-Case) |
38 | Empty (J-Case) |
Relays | Usage |
39 | Run (High Current Micro) |
40 | Park Lamps (High Current Micro) |
41 | Empty (Mini Micro) |
42 | Upfitter Auxiliary 2 (High Current ISO Relay) |
43 | Retained Accessory Power (RAP) (High Current Micro) |
44 | Rear Defogger (High Current Micro) |
Circuit Breaker | Usage |
45 | Power Window |
46 | Power Seats |
Engine Compartment Fuse Block
The fuse block is in the engine compartment on the driver’s side of the vehicle.
Fuse | Usage |
1 | Left High-Beam Headlamp |
2 | Fuel Pump |
3 | Empty |
4 | Fuel Heater (Diesel) |
5 | Right High-Beam Headlamp |
6 | Empty |
7 | Left Low-Beam Headlamp |
8 | Right Stoplamp, Trailer Turn Signal |
9 | Right Low-Beam Headlamp |
10 | Daytime Running Lamps 2 (DRL) |
11 | Fuel System Control Module Ignition (Gas) |
12 | Daytime Running Lamps 1 (DRL) |
13 | Auxiliary Stoplamp |
14 | Fuel Operated Heater Module (Diesel) |
15 | Fuel System Control Module Battery (Gas) |
16 | Left Stoplamp, Trailer Turn Signal |
17 | Canister Vent Solenoid (Gas) |
18 | Empty |
19 | Empty |
20 | Body Control Module 1 |
21 | Special Equipment Option (SEO) |
22 | Body Control Module 4 |
23 | Body Control Module 6 |
24 | Empty |
25 | Body Control Module 7 |
26 | Body Control Module 3 |
27 | Body Control Module 5 |
28 | Empty |
29 | Empty |
30 | Instrument Panel Cluster |
31 | Empty |
32 | Brake Switch |
33 | Auxiliary Power Outlet |
34 | Airbag |
35 | Trailer Wiring |
36 | Steering Wheel Sensor (Gas) |
37 | Body Control Module 2 |
38 | Cigarette Lighter, Data Link Controller |
39 | Windshield Wiper |
40 | Empty |
41 | Windshield Wipers |
42 | Empty |
43 | Horn |
44 | Transmission Control Module Battery |
45 | Empty |
46 | Oxygen Sensor 1 (Gas) |
47 | Transmission Control Module Ignition |
48 | Engine Control Module Ignition |
49 | Mass Airflow Sensor, Canister Vent |
50 | Engine Control Module, Powertrain |
51 | Transmission |
52 | Even Ignition Injectors (Gas) |
53 | Glow Plug Module (Diesel) |
54 | Engine Control Module Battery |
55 | Odd Ignition Injectors (Gas) |
56 | Oxygen Sensor 2 (Gas) |
57 | Air Conditioning Compressor |
58 | Fan Clutch (Diesel) |
59 | V6 Fuel Injectors (Gas) |
60 | Antilock Brake System Module (J-Case) |
61 | Antilock Brake System Motor (J-Case) |
62 | Trailer Wiring (J-Case) |
63 | Empty |
64 | Starter Solenoid (J-Case) |
65 | Engine Control Module (ECM), Powertrain (Diesel) (J-Case) |
66 | Front Blower (J-Case) |
67 | Empty |
77 | Body BEC (Mega Fuse) |
Relay | Usage |
68 | Empty |
69 | Run, Crank (High Current Micro) |
70 | Windshield Wiper High (High Current Micro) |
71 | Windshield Wiper (High Current Micro) |
72 | Fuel Pump (Mini Micro) |
73 | Crank (High Current Micro) |
74 | Air Conditioning Compressor (Mini Micro) |
75 | Fan Clutch (Diesel) (Solid State) |
76 | Powertrain (High Current Micro) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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