The Hummer H2 is an American General Motors SUV sold under the brand from 2002 to 2009, manufactured at a purpose-built assembly plant in Mishawaka, Indiana, United States. In this article, we will take a detailed look at the fuse box diagrams for the Hummer H2 (first generation; facelift; chassis code GMT820): model years 2008, 2009, and 2010.
Here you will find the locations, photos, and diagrams of the power distribution centers. The fuses responsible for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
In the Engine Compartment
Located on the driver side near the battery, under the protective plastic cover.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| Non-Serviceable | ||
| 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 Windshield Washer Pump | |
| R17 | High-Beam Headlamps | |
| R18 | Horn | |
| R19 | Liftgate Release | |
| R20 | Rear Window Washer Pump | |
| R21 | “FWD”, “HTR STR/WHL” | |
| R22 | Left Trailer Stop Lamp | |
| R23 | Right Trailer Stop Lamp | |
| R24 | Windshield Wiper | |
| R25 | Windshield Wiper Motor Control | |
| Relays | ||
| R1 | High-Speed Cooling Fan Relay | |
| R2 | Low-Speed Cooling Fan Relay | |
| R3 | Cooling Fan Control Relay | |
| R4 | Low-Beam Headlamp Relay | |
| R5 | Air Conditioning Compressor Clutch Relay | |
| R6 | Starter Relay | |
| R7 | Powertrain Control Module (PCM) Relay | |
| R8 | Parking Lamp Relay | |
| R9 | Rear Window Defogger Relay | |
| R10 | Switched Ignition Power Relay | |
| Fuses | ||
| 1 | Left Trailer Stop/Turn Lamp | 10 A |
| 2 | Intake Air Temperature (IAT) Sensor, EVAP Purge Solenoid Valve | 15 A |
| 3 | Engine Control Module (ECM) | 15 A |
| 4 | Right Trailer Stop/Turn Lamp | 10 A |
| 5 | Front Windshield Washer Pump | 15 A |
| 6 | Heated Oxygen Sensors (HO2S) | 10 A |
| 7 | Electronic Stability Control (ESC) 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 Bank) | 20 A |
| 12 | Transmission Control Module (TCM), EVAP 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 | Heated Oxygen Sensors (HO2S) | 10 A |
| 17 | Transmission Controls (Ignition Power) | 15 A |
| 18 | Hummer H2 Fuel Pump Fuse, Engine Control Module (ECM) | 20 A |
| 19 | Rear Window Washer Pump | 15 A |
| 20 | Fuel Injectors, Ignition Coils (Left Bank) | 20 A |
| 21 | Trailer Parking Lamps | 15 A |
| 22 | Parking Lamps (Left Side) | 15 A |
| 23 | Parking 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 | Sunroof | 30 A |
| 29 | Ignition Switch, Theft-Deterrent System | 2 A |
| 30 | Windshield Wipers | 25 A |
| 31 | Upfitter Provisions | 30 A |
| 32 | Electronically Controlled Air Suspension (ECAS) | 15 A |
| 33 | Climate Control System (HVAC) | 10 A |
| 34 | Supplemental Restraint System (SRS Airbags) | 10 A |
| 35 | Audio Power Amplifier | 30 A |
| 36 | Audio System, Rear Seat Audio Controls, Digital Radio Receiver | 15 A |
| 37 | Cruise Control, Rear Vision Camera, Auxiliary Accessories | 10 A |
| 38 | Supplemental Restraint System (SRS Airbags) | 15 A |
| 39 | Instrument Panel Cluster (IPC), Body Control Module (BCM) | 10 A |
| 40 | Run/Accessory Power, Midgate Control Module | 10 A |
| 41 | Auxiliary Climate Control Unit (Rear HVAC) | 10 A |
| 42 |
|
30 A |
| 43 | Upfitter Provisions | 15 A |
| 44 | Hummer H2 Cigarette Lighter Fuse, Auxiliary 12V Power Outlets, Data Link Connector (DLC) | 15 A |
| 45 | Upfitter Provisions, Special Equipment Option (SEO) | 10 A |
| 46 | Climate Control System (HVAC) | 10 A |
| 47 |
|
15 A |
| 50 | Low-Speed Cooling Fan Relay | 40 A |
| 51 | Electronically Controlled Air Suspension (ECAS) Relay | 60 A |
| 52 | Electronic Stability Control (ESC) System, Antilock Brake System (ABS) | 60 A |
| 53 | High-Speed Cooling Fan Relay | 40 A |
| 54 | Starter Relay | 40 A |
| 55 | Trailer Brake Control Module | 30 A |
| 56 | Left Electrical Center Power Feed | 60 A |
| 57 | Heated Windshield Washer Fluid System | 60 A |
| 58 | Four-Wheel Drive (4WD) System | 30 A |
| 59 | Trailer Wiring Harness Battery Power | 40 A |
| 60 | Mid Bussed Electrical Center #1 | 60 A |
| 61 | HVAC Blower Motor | 40 A |
| 62 | Left Bussed Electrical Center #2 | 60 A |
In the Passenger Compartment
The primary interior fuse panel is located on the driver-side end of the instrument panel. The secondary fuse block is located under the instrument panel, to the left of the steering column.
Fuse Box #1
Located on the driver-side end-cap of the instrument panel.
Overview of the Hummer H2 passenger compartment fuse block.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| CB1 | Driver Power Window Circuit Breaker | 25 A |
| R1 | Power Door Lock Relay (Non-Serviceable) | |
| 1 | Rear Seat Heater Control Module | 20 A |
| 2 | Rear Cargo Area Auxiliary Power Outlets | 20 A |
| 3 | Illuminated Steering Wheel Controls | 2 A |
| 4 | Driver Door Module (DDM) | 15 A |
| 5 | Dome Lamps, Front Passenger Turn Signal, Body Control Module (BCM) | 15 A |
| 6 | Left Rear Turn Signal / Stop Lamp, Body Control Module (BCM) | 15 A |
| 7 | Rear Instrument Panel Backlighting, Body Control Module (BCM) | 10 A |
| 8 | Right Turn Signal Lamp | 15 A |
| 9 | Passenger Door Module (PDM) | 10 A |
| 10 | Power Door Lock Actuators #2 (Unlock) | 15 A |
| 11 | Power Door Lock Actuators #2 (Lock) | 15 A |
| 12 | Stop Lamps, Center High-Mounted Stop Lamp (CHMSL), Body Control Module (BCM) | 15 A |
| 13 | Rear Auxiliary Blower / Climate Controls (HVAC) | 30 A |
| 14 | Unused | - |
| 15 | Body Control Module (BCM) | 15 A |
| 16 | Floor Console 12V Auxiliary Power Outlets, Cigarette Lighter Fuse | 20 A |
| 17 | Courtesy / Interior Lamps, Body Control Module (BCM) | 10 A |
| 18 | Power Door Lock Actuators #1 (Unlock) | 15 A |
| 19 | Infotainment Display Unit, Remote Keyless Entry (RKE) System | 5 A |
| 20 | Universal Home Remote (Garage Door Opener) | 10 A |
| 21 | Power Door Lock Actuators #1 (Lock) | 15 A |
| 22 | Vehicle Communication Interface Module (OnStar® System) | 10 A |
| 23 | Rear Window Wiper Motor | 25 A |
| 24 | Unused | - |
| 25 | Driver Power Seat Module (DSM) | 10 A |
Fuse Box #2
Located under the instrument panel, to the left of the steering column.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| CB1 | Passenger Power Window Circuit Breaker | 25 A |
| CB2 | Passenger Power Seat Circuit Breaker | 25 A |
| CB3 | Driver Power Seat Circuit Breaker | 25 A |
| CB4 | Rear Power Sliding Window Circuit Breaker | 25 A |
| R1 | Park Enable Relay (PARK ENABLE PCB) *Non-Serviceable Relay* | |