Fuses and relays Hummer H2 (2008-2010)

This material discusses in detail the fuse diagrams of the Hummer H2 (first generation; restyiling): 2008, 2009, 2010 model year.

Fuses #2 and #16 in the passenger compartment and fuse #44 in the engine compartment are responsible for the cigarette lighter.

In the engine compartment

Located on the driver's side near the battery, behind the plastic cover.

No. Description Amps
R11 Back-Up Lamps
R12 Daytime Running Lamps (DRL)
R13 Right Cooling Fan
R14 Right Cooling Fan, Cooling Fan Control
R15 Left Cooling Fan
R16 Front Washer Fluid Pump
R17 High Beam Headlamp
R18 Horn
R19 Liftgate Release
R20 Rear Washer Fluid Pump
R22 Left Trailer Stop Lamp
R23 Right Trailer Stop Lamp
R24 Wiper
R25 Windshield Wiper Motor
R1 High Speed Cooling Fan Relay
R2 Low Speed Cooling Fan Relay
R3 Cooling Fan Control
R4 Low Beam Headlamp Relay
R5 Air Conditioning Compressor Relay
R6 Starter Relay
R7 Powertrain Control Module (PCM) Relay
R8 Parking Lamps Relay
R9 Rear Window Defogger Relay
R10 Switched Power
1 Left Trailer Stop/Turn Lamp 10 A
2 Air Temperature (IAT) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid Valve 15 A
3 Engine Control Module (ECM)  15 A
4 Right Trailer Stop/Turn Lamp  10 A
5 Front Washer Fluid Pump 15 A
6 Oxygen Sensors  10 A
7 Vehicle Stability System, Antilock Brake System (ABS module) 30 A
8 Trailer Back-Up Lamps 10 A
9 Low Beam Left Headlamp 10 A
10 Engine Control Module (ECM)  10 A
11 Fuel Injectors, Ignition Coils (Right) 20 A
12 Transmission Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid Valve 15 A
13 Back-Up Lamps 10 A
14 Low Beam Right Headlamp 10 A
15 Air Conditioning Compressor Clutch  10 A
16 Oxygen Sensors  10 A
17 Transmission Controls (Ignition)  15 A
18 Fuel Pump Fuse, Engine Control Module (ECM)  20 A
19 Rear Washer Fluid Pump 15 A
20 Fuel Injectors, Ignition Coils (Left Side) 20 A
21 Trailer Park Lamps 15 A
22 Park Lamps (left side) 15 A
23 Park Lamps (right side) 15 A
24 Horn 15 A
25 High Beam Right Headlamp 10 A
26 Daytime Running Lamps (DRL) 10 A
27 High Beam Left Headlamp 10 A
28 Moonroof 30 A
29 Key Ignition System, Theft Deterrent System 2 A
30 Windshield Wiper 25 A
31 Upfitter Provision 30 A
32 Electrically Controlled Air Suspension  15 A
33 Climate Controls (HVAC)  10 A
34 Airbag System  10 A
35 Audio Amplifier   30 A
36 Audio System, Rear Seat Audio Controller, Digital Radio Receiver 15 A
37 Miscellaneous, Cruise Control, Rear Vision Camera 10 A
38 Airbag System 15 A
39 Instrument Panel Cluster, Body Control Module (BCM) 10 A
40 Run, Accessory, Midgate Module 10 A
41 Auxiliary Climate Control Unit 10 A
  • Window Defogger Rear (SUV)
  • Midgate Control Module (SUT)
30 A
43 Upfitter Provision 15 A
44 Hummer H2 Cigarette Lighter Fuse, Auxiliary 12V Power Outlet, Data Link Connector (DLC) 15 A
45 Upfitter Provision, Special Equipment Option (SEO) 10 A
46 Climate Controls  10 A
  • Engine Control Module (ECM)
  • Fuel System Control Module
  • Electronic Brake Control Module 
15 A
50 Low Speed Cooling Fan Relay 40 A
51 Electronically Controlled Air Suspension Relay 60 A
52 Vehicle Stability System, Antilock Brake System (ABS) 60 A
53 High Speed Cooling Fan Relay 40 A
54 Starter Relay 40 A
55 Trailer Brake Module   30 A
56 Bussed Electrical Center Left 60 A
57 Heated Windshield Washer System  60 A
58 4-Wheel Drive System 30 A
59 Trailer Connector Battery Power 40 A
60 Bussed Electrical Center Mid #1 60 A
61 Climate Control Blower 40 A
62 Bussed Electrical Center Left  #2 60 A

In the passenger compartment

First fuse block is located at the edge of the dashboard on the driver's side. The second block is located to the left of the steering wheel, under the dashboard.

Fuse box #1

Located on the driver's side end of the dashboard.

General view.

No. Description Amps
CB1 Driver Side Power Window 25 A
R1 Power Door Lock Relay (Non-Serviceable)
1 Rear Seat Heater Control Module 20 A
2 Rear Cargo Accessory Power Outlets 20 A
3 Steering Wheel Controls Backlight  2 A
4 Driver Door Module 15 A
5 Dome Lamps, Front Passenger Side Turn Signal, Body Control Module (BCM) 15 A
6 Driver Side Turn Signal and Stop Lamp, Body Control Module (BCM) 15 A
7 Instrument Panel Back Lighting, Body Control Module (BCM) 10 A
Turn Signal from the pasenger's side 15 A
9 Passenger Door Module 10 A
10 Power Door Lock #2 (Unlock) 15 A
11 Power Door Lock #2 (Lock) 15 A
12 Stop Lamps, Center-High Mounted Stoplamp, Body Control Module (BCM) 15 A
13 Rear Climate Controls 30 A
14 Empty -
15 Body Control Module (BCM) 15 A
16 Floor Console 12V Power Outlets, Cigar Lighter Fuse 20 A
17 Interior Lamps, Body Control Module (BCM) 10 A
18 Power Door Lock #1 (Unlock) 15 A
19 Infotainment System (Video Display), Remote Keyless Entry System 5 A
20 Universal Home Remote System (Garage Door Opener) 10 A
21 Power Door Lock #1 (Lock)  15 A
22 Vehicle Communication Interface Module (OnStar® System) 10 A
23 Window Wiper Motor (Rear) 25 A
24 Empty -
25 Driver Seat Module 10 A

Fuse box #2

Located underneath the dashboard, to the left of the steering column.

No. Description Amps
CB1 Power Window Passenger Side 25 A
CB2 Passenger Seat  25 A
CB3 Driver Seat 25 A
CB4 Rear Sliding Window 25 A
R1 Multifunction Switch  (PARK ENABLE PCB) *Non-Serviceable Relay*
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