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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:
  • Blower Motor
  • HVAC Control Module
  • Blower Motor Control Processor
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • A/C Compressor Clutch Relay
  • A/C Compressor Clutch
  • Powertrain Control Module
  • A/C Low Pressure Switch
  • A/C Refrigerant Pressure Sensor
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

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

    Components on diagram:
  • Data Link Connector
  • Driver Door Module
  • Front Passenger Door Module
  • 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
  • Driver Door Module
  • Ignition Key Alarm Switch
  • Audio Amplifier
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Clearance Lamp-LR
  • Roof Lamps-Center Rear
  • Roof Lamps-Center Front
  • Clearance Lamp-RF
  • Clearance Lamp-RR
  • 2004 Hummer H2  6.0 V8 GAS Wiring Diagram2004 Hummer H2 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Trailer Left Rear Turn/Stop Lamp Supply
  • 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
  • Traction Control Switch
  • Body Control Module
  • Electronic Brake Control Module
  • Air Suspension 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
  • 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 details2007 Hummer H2 Mirror, Driver Side.

    Source: Auto Body Parts Store

    $420.14

    Click here to view more details about 2007 Hummer H2 Grille Bracket, Driver Or Passenger Side2007 Hummer H2 Grille Bracket, Driver Or Passenger Side, A high quality, direct fit OE replacement grille retainer; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $3.13

    Click here to view more details2007 Hummer H2 Center Cap, Center Cap; Fits ALY06300; Silver; Used, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $23.50

    Click here to view more details2005 Hummer H2 V8, 6.0 L, 368 CID Rebuilt Engine, 6.0 V-8 Aluminum Heads, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,099.00

    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

    $186.00

    Click here to view more details2003 Hummer H2 Used Rear Lower Control Arm, Driver Side, 5.3, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $69.00
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