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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 Hummer H2 car and truck repair procedures including Hummer engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2004 Hummer H2 automobile. Try the Automotix DIY solution today!
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WIRING DIAGRAMS FOR 2004 Hummer H2 AUTOMOBILES

OEM drawn wiring diagrams for most 2004 Hummer H2 cars and light trucks sold in the U.S.

2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

Components on diagram:
  • Mass Air Flow Sensor
  • Intake Air Temperature Sensor
  • Air Cleaner
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Traction Control Switch
  • Brake Indicator
  • ABS Indicator
  • Electronic Brake Control Module
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Generator
  • Powertrain Control Module
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Transfer Case Shift Control Module
  • Radio
  • Body Control Module
  • Electronic Brake Control Module
  • Powertrain Control Module
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Park/Turn Signal Lamp-LF
  • Park/Turn Signal Lamp-RF
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Body Control Module
  • Defogger Relay
  • HVAC Control Module
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • Ambient Air Temperature Sensor
  • Inside Rear View Mirror
  • Outside Rear View Mirror-Driver
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Parking Lamp Relay
  • Battery
  • Starter Relay
  • Generator
  • Ignition Relay
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Windshield Washer Fluid Level Switch
  • Battery
  • Headlamp-Right
  • Horn-High
  • Off Road Lamp-Grille Guard
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Throttle Actuator Control Module
  • Powertrain Control Module
  • Turn Signal/Multifunction Switch
  • CLICK HERE TO GET FULL ACCESS TO 2004 Hummer H2 WIRING DIAGRAMS!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details2009 Hummer H2 Air Filter, Up to 99.997 percent filtration efficiency rate; Oiled element; Conical style; Made of unique nano-fiber combined with multiple layers of surgical-quality cotton gauze; Utilizes a urethane body that will not crack or curl; Captures particles of 10 microns and larger; Screens the full range of particulates even down to 2 microns; Traps almost twice the percentage of particulates that the competitors do and more than 6 times the amount at 0.5 microns; Tested using the filter testing fractional efficiency method called SAE standard J726; 100 percent washable and reusable..

    Source: Auto Body Parts Store

    $96.50

    Click here to view more details about 2004 Hummer H2 Cab Light2004 Hummer H2 Cab Light.

    Source: Auto Body Parts Store

    $105.46

    Click here to view more details about 2006 Hummer H2 17" X 8.5" Alloy Wheel2006 Hummer H2 17" X 8.5" Alloy Wheel, ALLOY WHEEL, 17 X 8.5, 6 STUDS/LUGS, 5.5" BOLT DIA, 8 SPOKES, AFTERMARKET CHROME, UNIVERSAL; MADE BY ALCOA, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $226.45

    Click here to view more details2005 Hummer H2 V8, 6.0 L, 368 CID Rebuilt Engine, 6.0 V-8 Aluminum Heads, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $2,099.00

    Click here to view more details2005 Hummer H2 Used Rear Axle Assembly, 6.0, AUTO, 4X4, Very Good.

    Source: Used Auto Parts Store

    $1,753.00

    Click here to view more details2008 Hummer H2 Used Cooling Fan Assembly, Fan Assm; 7 and 9 blade fans, Very Good.

    Source: Used Auto Parts Store

    $187.00
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