Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!
Help me findSearch
Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 Hummer H3 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 2008 Hummer H3 automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2008 Hummer H3

  • 2008 Hummer H3 X 3.7 L5 GAS, CC:3654, CID:223, Fuel Injection, Aspiration:223, Engine VIN:, Desg:E
  • 2008 Hummer H3 3.7 L5 GAS, CC:3654, CID:223, Fuel Injection, Aspiration:223, Engine VIN:, Desg:E
  • 2008 Hummer H3 Alpha 5.3 V8 GAS, CC:5328, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:L

WIRING DIAGRAMS FOR 2008 Hummer H3 AUTOMOBILES

OEM drawn wiring diagrams for most 2008 Hummer H3 cars and light trucks sold in the U.S.

2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram

Components on diagram:
  • Instrument Panel Cluster
  • Headlamp Switch
  • Body Control Module
  • Headlamp Dimmer Switch
  • Ambient Light Sensor
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Body Control Module
  • Dome Lamp
  • RH Vanity Mirror Lamp
  • LH Vanity Mirror Lamp
  • 2008 Hummer H3  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Brake
  • Body Control Module
  • Brake Pressure Modulator Valve
  • Electronic Brake Control Module
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Ignition Switch
  • Body Control Module
  • Engine Control Module
  • Powertrain Relay
  • 2008 Hummer H3  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Starter
  • Body Control Module
  • Engine Control Module
  • 2008 Hummer H3  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Theft Deterrent Module
  • Transfer Case Shift Control Module
  • Data Link Connector
  • Body Control Module
  • 2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Engine Control Module
  • AC Compressor Clutch
  • Secondary Air Injection Pump
  • Park Neutral Position Switch
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Sunroof Control Module
  • Sunroof Switch
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Theft Deterrent Module
  • Ignition Switch
  • Body Control Module
  • 2008 Hummer H3  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Body Control Module
  • CLICK HERE TO GET FULL ACCESS TO 2008 Hummer H3 WIRING DIAGRAMS!

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

    Click here to view more details about 2006 Hummer H3 Bumper Bracket, Front, Driver Side2006 Hummer H3 Bumper Bracket, Front, Driver Side, A high quality, direct fit OE replacement bumper bar bracket..

    Source: Auto Body Parts Store

    $13.05

    Click here to view more details about 2008 Hummer H3 Turn Signal Mirror Glass, Driver And Passenger Side2008 Hummer H3 Turn Signal Mirror Glass, Driver And Passenger Side, Heated Kit, One Left And One Right Hand Signal Mirror Assembly, Wire, Connectors, And Installation Instructions, If The Vehicle Has Electrochromic (Ec Or Self-Dimming) Exterior Mirrors, That Feature Will Be Lost With Signal Mirrors, All Kits Use Red Leds Unless Otherwise Noted, Heated Mirror Applications Replace Factory Installed Heated Mirrors, All Retrofit Kits, Except 220-0235-0/H And Unless Otherwise Noted, Require Factory Installed Power Mirrors To Complete Installation, 3 Year Limited Warranty.

    Source: Auto Body Parts Store

    $148.47

    Click here to view more details about 2010 Hummer H3 Tail Light Lens And Housing , Passenger Side2010 Hummer H3 Tail Light Lens And Housing , Passenger Side, PASSENGER SIDE TAIL LIGHT LENS AND HOUSING , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $79.23

    Click here to view more details2009 Hummer H3 V8, 5.3 L, 322 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details2010 Hummer H3 Used Fan Clutch, 3.7, AUTO, 4X4 Without BLADE, Very Good.

    Source: Used Auto Parts Store

    $93.00

    Click here to view more details2006 Hummer H3 Used Rear Vent Window, Passenger Side, R., w/privacy glass (opt AJ1), Very Good.

    Source: Used Auto Parts Store

    $111.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2008 Hummer H3 vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    GOT A WEBSITE?Make money with Automotix

    Make money with Automotix Partner Program.

    Learn more

    Auto Repair Quick Search
    Help me find