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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:
  • 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:
  • 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
  • 1-2 Shift Solenoid Valve
  • Torque Converter Clutch Pulse Width Modulation Solenoid Valve
  • Torque Converter Clutch Solenoid Valve
  • Stop Lamp Switch
  • 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
  • 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:
  • 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:
  • Body Control Module
  • Driver Door Module
  • Front Passenger Door Module
  • Door Latch Assembly-RR
  • Door Latch Assembly-Front Passenger
  • 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
  • Memory Seat Module-Driver
  • Seat Adjuster Switch-Driver
  • Memory/Heated Seat Switch
  • 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:
  • Radio
  • Cellular and Navigation Antenna
  • OnStar Button Assembly
  • 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, Passenger Side.

    Source: Auto Body Parts Store

    $401.70

    Click here to view more details about 2009 Hummer H2 Antenna2009 Hummer H2 Antenna, 1-section mast; 2100 mm cable; 370 mm extension; Electronically amplified; A high quality universal windscreen mount antenna; May require modification or other adjustment to your vehicle upon installation; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $13.46

    Click here to view more details about 2009 Hummer H2 17" x 8.5" Alloy Wheel2009 Hummer H2 17" x 8.5" Alloy Wheel, Alloy Wheel; 17 X 8.5; 18MM Offset; 7 Spokes; 8 Lug; 6.5 Inch BP; Machined And Dark Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    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 details2003 Hummer H2 Used Upper Control Arm, Passenger Side, 6.0, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $62.00

    Click here to view more details2003 Hummer H2 Used Parking Lamp, Driver Side, PARKLAMP/TURN SIGNAL; (GRILLE MTD), L., Good.

    Source: Used Auto Parts Store

    $136.00
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