Hummer H3 (2007) – fuse box diagram
Year of production: 2007
Engine compartment fuse block
The engine compartment fuseblock is located on the driver’s side of the engine compartment.
| Fuses | Application |
| 1 | Heated seats |
| 2) | Grille Guard |
| 3) | Fuel pump |
| 4 | Roof lamp |
| 5 | Battery ignition switch |
| 6 | Front windshield wiper |
| 7 | Adjustable voltage control |
| 8 | Power Locks |
| 9 | Sunroof, front washer pump |
| 10 | Accessories (SOP) |
| 11 | Air compressor |
| 12 | Control box control module |
| 13 | Radio, heating, ventilation, air conditioning display |
| 14 | Body control module |
| 15 | Rear window wiper motor |
| 16 | Rear wiper pump switch |
| 17 | Air injection reactor (AIR) solenoid valve |
| 18 | Spare 6 |
| 19 | Group |
| 20 | Rear turn signal, warning signal |
| 21 | Drive unit control module 1 |
| 22 | Mass air flow sensor, purge solenoid |
| 23 | Injector |
| 24 | Fog light |
| 25 | Power unit control module B |
| 26 | Spare 4 |
| 27 | Airbags |
| 28 | Spare lamps |
| 29 | Anti-lock brakes, StabiliTrak® |
| 30 | Rear window defogger |
| 31 | Canister Vent |
| 32 | VSense + adjustable voltage control |
| 33 | Ignition 1 |
| 34 | Transmission |
| 35 | Cruise, interior rearview mirror |
| 36 | Corner |
| 37 | Rear parking light on the driver’s side |
| 38 | Amplifier |
| 39 | Reduced-intensity dipped beam headlamps |
| 40 | Passenger side reflector |
| 41 | Driver’s side headlight |
| 42 | Trailer reversing lamp |
| 43 | Front parking lamps |
| 44 | Air injection reactor (AIR) solenoid valve |
| 45 | Auxiliary power 2 |
| 46 | Electronic throttle control |
| 47 | Oxygen sensor |
| 48 | A/C clutch |
| 49 | Rear parking light on passenger side |
| 50 | XM ™ satellite radio |
| 51 | Auxiliary power 1 |
| 52 | StabiliTrak®, anti-lock brakes |
| 53 | Power heater switch |
| 54 | Stop |
| 55 | Trailer parking lights |
| 56 | Front turn signal, warning signal |
| 57 | Sunroof power |
| 58 | Control box control module switch |
| 59 | Climate control |
| 60 | Spare 8 |
| 61 | Electric seats |
| 62 | Air pump |
| 63 | Electric passenger window |
| 64 | Anti-lock brakes, StabiliTrak® 2 solenoid |
| 67 | Anti-lock brakes, StabiliTrak® 1 motor |
| 68 | Electrically operated driver-side window |
| 82 | Air conditioning fan |
| 83 | Electronic brake controller |
| 84 | Fuse B + trailer |
| 85 | Starter |
| 91 | Megafuse |
| Relay | Use |
| 66 | Fuel pump |
| 69 | Fog light |
| 70 | Dipped and high beam headlights |
| 71 | Rear defogger |
| 72 | Windshield wiper on/off |
| 73 | Windshield wiper front / rear high / low |
| 74 | Corner |
| 75 | Headlight |
| 76 | A/C clutch |
| 77 | Drive train control module |
| 78 | Run, Crank |
| 79 | Reduced-intensity dipped beam headlamps |
| 80 | Air injection reactor solenoid valve (AIR) |
| 81 | Drive system (starter) |
| 86 | Spare 2 |
| 87 | Heating, ventilation, air conditioning |
| 88 | Retained accessory power |
| 89 | Parking lamp |
| Diode | Use of |
| 65 | Wiper diode |
| 90 | Air conditioning system clutch diode |