2003-2009 Hummer H2 Fuse Box Diagram
Passenger Compartment Fuse Box ('03-'07)
| No. | A | Description |
|---|---|---|
| 1 | 15 | Rear Window Wiper/Washer Switch |
| 2 | 10 | Rear Heated Seats Modules |
| 3 | 15 | Transfer Case Shift Control Switch (Four Wheel Drive Switch), Electronically Controlled Air Suspension Switch/Module, Ride Height Switch |
| 4 | 10 | Brake Transmission Shift Interlock, Powertrain Control Module, Transmission |
| 5 | 15 | Stoplamps, Brake Module, Electronic Throttle Control Module, Turn Signal/Hazard Flasher Module, Fuse: "14" |
| 6 | 15 | Driver Door Module |
| 7 | 10 | Liftgate Door Lock Relay |
| 8 | 10 | Body Builder Provision |
| 9 | 30 | - |
| 10 | 10 | Inside Rearview Mirror, Climate Control System (HVAC Control Module and Actuators) |
| 11 | 10 | Cruise Control |
| 12 | 10 | Stop Lamp Switch |
| 13 | 10 | Body Control Module (BCM) |
| 14 | 10 | Vehicle and Trailer Center High Mounted Stop Lamp |
| 15 | 25 | Windshield Wipers |
| 16 | 10 | Body Control Module (BCM) |
| 17 | 10 | Left Turn Signal/Stop Trailer |
| 18 | 10 | Right Turn Signal/Stop Trailer |
| 19 | 20 | Instrument Panel and Rear Cargo Area Power Outlets |
| 20 | 15 | Body Control Module (BCM) |
| 21 | 15 | Body Control Module (BCM) |
| 22 | 10 | Left Turn Signals and Side Markers Lamps, Instrument Panel Cluster |
| 23 | 10 | Right Turn Signals and Side Markers Lamps, Instrument Panel Cluster |
| 24 | 20 | Door Lock/Unlock Relay |
| 25 | 25 | Turn Signal/Hazard Flasher Module |
| 26 | 15 | Body Control Module (BCM) |
| 27 | 10 | Passenger Door Module |
| Circuit Breaker | ||
| CB1 | 25 | Left Rear Power Window Circuit Breaker and Driver Door Module |
| Relay | ||
| R1 | Power Door Lock | |
| R2 | Power Door Unlock | |
| R3 | - | |
| R4 | - | |
Passenger Compartment Fuse Box ('08-'09)
| No. | A | Description |
|---|---|---|
| 1 | 20 | Heated Rear Seat Control Module |
| 2 | 20 | Rear Cargo Accessory Power Outlets |
| 3 | 2 | Steering Wheel Controls Backlight |
| 4 | 15 | Driver Door Module |
| 5 | 15 | Dome Lamps, Front Passenger Side Turn Signal, Body Control Module (BCM) |
| 6 | 15 | Driver Side Turn Signal and Stop Lamp, Body Control Module (BCM) |
| 7 | 10 | Instrument Panel Back Lighting, Body Control Module (BCM) |
| 8 | 15 | Passenger Side Turn Signal |
| 9 | 10 | Passenger Door Module |
| 10 | 15 | Power Door Lock 2 (Unlock Feature) |
| 11 | 15 | Power Door Lock 2 (Lock Feature) |
| 12 | 15 | Stop Lamps, Center-High Mounted Stoplamp, Body Control Module (BCM) |
| 13 | 30 | Rear Climate Controls |
| 14 | - | - |
| 15 | 15 | Body Control Module (BCM) |
| 16 | 20 | Floor Console Power Outlets |
| 17 | 10 | Interior Lamps, Body Control Module (BCM) |
| 18 | 15 | Power Door Lock 1 (Unlock Feature) |
| 19 | 5 | Infotainment System (Video Display), Remote Keyless Entry System |
| 20 | 10 | Universal Home Remote System (Garage Door Opener) |
| 21 | 15 | Power Door Lock 1 (Lock Feature) |
| 22 | 10 | Vehicle Communication Interface Module (OnStar®) |
| 23 | 25 | Rear Window Wiper Motor |
| 24 | - | - |
| 25 | 10 | Driver Seat Module |
| Circuit Breaker | ||
| CB1 | 25 | Driver Side Power Window |
| Relay (Non-Serviceable) | ||
| R1 | Power Door Lock | |
Passenger Compartment Relay Box ('03-'07)
| No. | A | Description |
|---|---|---|
| CB1 | 30 | Driver and Passenger Seat Module |
| CB2 | 25 | Right Rear Power Window, Passenger Door Module |
| Relay | ||
| R1 | Rear Window Defogger | |
| R2 | - | |
Passenger Compartment Relay Box ('08-'09)
| No. | A | Description |
|---|---|---|
| CB1 | 25 | Passenger Side Power Window |
| CB2 | 25 | Passenger Seat |
| CB3 | 25 | Driver Seat |
| CB4 | 25 | Rear Sliding Window |
| Relay (Non-Serviceable) | ||
| R1 | Multifunction Switch (PARK ENABLE PCB) | |
Engine Compartment Fuse Box ('03-'07)
| No. | A | Description |
|---|---|---|
| 1 | 40 | Accessory Power/Trailer Wiring |
| 2 | - | - |
| 3 | 50 | Circuit Breaker (Passenger Compartment Relay Box): "CB1", "CB2" |
| 4 | 40 | Blower Motor (High Speed) |
| 5 | 50 | Fuse (Passenger Compartment): "6", "19", "24" "27" |
| 6 | 30 | Off Road Lamps, Trailer Wiring |
| 7 | 60 | ABS |
| 8 | 60 | Electronically Controlled Air Suspension Relay |
| 9 | 40 | Ignition Switch |
| 10 | - | - |
| 11 | 40 | Ignition Switch |
| 12 | 50 | Fuse (Passenger Compartment): "20", "25" "26", "CB1" |
| 13 | 15 | Parking Lamps Trailer Wiring |
| 14 | 10 | Right Rear Parking and Side Marker Lamps, License Lamp |
| 15 | 10 | Left Rear Parking and Side Marker Lamps, License Lamp |
| 16 | 10 | Roof Marker Lamps, SIR Defeat Switch, Clearance Lamps, Marker Lamps, Trailer Jumper |
| 17 | 25 | Stop Lamp Switch |
| 18 | 10 | Body Control Module (BCM) |
| 19 | 25 | Sunroof |
| 20 | 30 | Electronic Brake Control Module, Off-Road Lamps |
| 21 | 15 | EVAP Canister Vent Solenoid |
| 22 | 30 | Rear HVAC Module |
| 23 | 20 | Auxiliary Power Outlet - Console |
| 24 | 15 | Powertrain Control Module (PCM), Evaporative Emission (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF) Sensor, Intake Air Temperature (IAT) Sensor |
| 25 | 15 | Throttle Actuator Control (TAC), Electronic Brake Controller |
| 26 | 15 | Ignition Coils, Fuel Injectors |
| 27 | 15 | Ignition Coils, Fuel Injectors |
| 28 | 10 | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay, Electronic Brake Controller TC2 Mode Switch |
| 29 | 30 | Electronic Brake Controller |
| 30 | 10 | Backup Lamps Trailer Wiring |
| 31 | 20 | Powertrain Control Module, Fuel Pump |
| 32 | 15 | Oxygen Sensors |
| 33 | 20 | Backup Lamps, Park/Neutral Position Switch (PNP) |
| 34 | 30 | Rear Window Defogger Relay |
| 35 | 15 | Oxygen Sensors |
| 36 | 15 | Inflatable Restraint Instrument Panel Module Disable Switch, Inflatable Restraint Sensing and Diagnostic Module |
| 37 | 10 | Front Parking Lamps, Front Side Marker Lamps |
| 38 | 10 | Rear Window Defogger Relay |
| 39 | 10 | Body Control Module (BCM) |
| 40 | 10 | Left Headlamp (High Beam) |
| 41 | - | - |
| 42 | 10 | Daytime Running Light Relay |
| 43 | 10 | Instrument Panel Cluster/Driver Information Center |
| 44 | 10 | Climate Control Controller/ Electronically Controlled Air Suspension Module |
| 45 | 15 | Cigarette Lighter, Data Link Connector |
| 46 | 10 | Right Headlamp (High Beam) |
| 47 | 10 | Air Conditioning Compressor Relay |
| 48 | 25 | Rear Wiper/Washer |
| 49 | - | - |
| 50 | 15 | Audio System, Rear Seat Audio |
| 51 | 15 | Rear Heated Seats, HomeLink (Garage Door Opener) |
| 52 | 10 | Left Headlamp (Low Beam) |
| 53 | 10 | Brake Transmission Shift Interlock System |
| 54 | 10 | Starting System, Ignition Switch, Powertrain Control Module (PCM) |
| 55 | 10 | Right Headlamp (Low Beam) |
| 56 | - | - |
| 57 | 15 | Windshield and Rear Window Washer Pump |
| 58 | 15 | Vehicle Communication Interface Module (VCIM) |
| 59 | 30 | Radio Amplifier |
| 60 | - | - |
| 61 | 15 | Horn |
| 62 | - | - |
| 63 | 30 | Transfer Case Control Module (All-Wheel Drive Module) |
| 64 | - | - |
| 65 | 125 | Cust Feed |
| Relay | ||
| R1 | Parking Lamps, Side Marker Lamps | |
| R2 | Starter | |
| R3 | Ignition | |
| R4 | Fuel Pump | |
| R5 | Headlamp High Beam | |
| R6 | Daytime Running Light | |
| R7 | Headlamp (Low Beam) | |
| R8 | Air Conditioning Compressor | |
| R9 | - | |
| R10 | Horn | |
| R11 | Windshield and Rear Window Washer Pump | |
Engine Compartment Fuse Box ('08-'09)
| No. | A | Description |
|---|---|---|
| 1 | 10 | Left Trailer Stop/Turn Lamp |
| 2 | 15 | Air Temperature (IAT) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid Valve |
| 3 | 15 | Engine Control Module (ECM) |
| 4 | 10 | Right Trailer Stop/Turn Lamp |
| 5 | 15 | Washer Fluid Pump (Front) |
| 6 | 10 | Oxygen Sensors |
| 7 | 30 | Vehicle Stability System, Antilock Brake System |
| 8 | 10 | Trailer Back-Up Lamps |
| 9 | 10 | Left Headlamp (Low Beam) |
| 10 | 10 | Engine Control Module (ECM) |
| 11 | 20 | Fuel Injectors, Ignition Coils (Right Side) |
| 12 | 15 | Transmission Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid Valve |
| 13 | 10 | Back-Up Lamps |
| 14 | 10 | Right Headlamp (Low Beam) |
| 15 | 10 | Air Conditioning Compressor Clutch |
| 16 | 10 | Oxygen Sensors |
| 17 | 15 | Transmission Controls (Ignition) |
| 18 | 20 | Fuel Pump, Engine Control Module (ECM) |
| 19 | 15 | Washer Fluid Pump (Rear) |
| 20 | 20 | Fuel Injectors, Ignition Coils (Left Side) |
| 21 | 15 | Trailer Park Lamps |
| 22 | 15 | Left Park Lamps |
| 23 | 15 | Right Park Lamps |
| 24 | 15 | Horn |
| 25 | 10 | Right Headlamp (High Beam) |
| 26 | 10 | Daytime Running Lamps (DRL) |
| 27 | 10 | Left Headlamp (High Beam) |
| 28 | 30 | Sunroof |
| 29 | 2 | Key Ignition System, Theft Deterrent System |
| 30 | 25 | Windshield Wiper |
| 31 | 30 | Upfitter Provision |
| 32 | 15 | Electrically Controlled Air Suspension |
| 33 | 10 | Climate Controls (HVAC) |
| 34 | 10 | Airbag System |
| 35 | 30 | Audio Amplifier |
| 36 | 15 | Audio System, Rear Seat Audio Controller, Digital Radio Receiver |
| 37 | 10 | Miscellaneous, Cruise Control, Rear Vision Camera |
| 38 | 15 | Airbag System |
| 39 | 10 | Instrument Panel Cluster, Body Control Module (BCM) |
| 40 | 10 | Run, Accessory, Midgate Module |
| 41 | 10 | Auxiliary Climate Control |
| 42 | 30 | Rear Window Defogger (SUV), Midgate Control Module (SUT) |
| 43 | 15 | Upfitter Provision |
| 44 | 15 | Cigarette Lighter, Auxiliary Power Outlet, Data Link Connector |
| 45 | 10 | Upfitter Provision, Special Equipment Option (SEO) |
| 46 | 10 | Climate Controls |
| 47 | 15 | Engine Control Module (ECM), Fuel System Control Module, Electronic Brake Control Module |
| 50 | 40 | Cooling Fan (Low Speed) Relay |
| 51 | 60 | Electronically Controlled Air Suspension Relay |
| 52 | 60 | Vehicle Stability System, Antilock Brake System |
| 53 | 40 | Cooling Fan (High Speed) Relay |
| 54 | 40 | Starter Relay |
| 55 | 30 | Trailer Brake Module |
| 56 | 60 | Left Bussed Electrical Center |
| 57 | 60 | Heated Windshield Washer System |
| 58 | 30 | Four-Wheel Drive System |
| 59 | 40 | Trailer Connector Battery Power |
| 60 | 60 | Mid Bussed Electrical Center 1 |
| 61 | 40 | Climate Control Blower |
| 62 | 60 | Left Bussed Electrical Center 2 |
| Relay | ||
| R1 | Cooling Fan (High Speed) | |
| R2 | Cooling Fan (Low Speed) | |
| R3 | Cooling Fan Control | |
| R4 | Headlamp (Low Beam) | |
| R5 | Air Conditioning Compressor | |
| R6 | Starter | |
| R7 | Powertrain Control Module | |
| R8 | Parking Lamps | |
| R9 | Rear Window Defogger | |
| R10 | Switched Power | |
| Non-Serviceable | ||
| R11 | Back-Up Lamps | |
| R12 | Daytime Running Lamps | |
| R13 | Cooling Fan (Right) | |
| R14 | Cooling Fan (Right), Cooling Fan Control | |
| R15 | Cooling Fan (Left) | |
| R16 | Washer Fluid Pump (Front) | |
| R17 | Headlamp (High Beam) | |
| R18 | Horn | |
| R19 | Liftgate Release | |
| R20 | Washer Fluid Pump (Rear) | |
| R21 | "FWD", "HTR STR/WHL" | |
| R22 | Left Trailer Stop Lamp | |
| R23 | Right Trailer Stop Lamp | |
| R24 | Wiper | |
| R25 | Windshield Wiper Motor | |