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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!
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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:
  • Rear Defogger Relay
  • Body Control Module
  • Rear Window Defogger Grid
  • HVAC Control Module
  • 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  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Body Control Module
  • RH Front Foglamp
  • Front Foglamp Relay
  • LH Front Foglamp
  • 2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Radio Antenna
  • Audio Amplifier
  • 2008 Hummer H3  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Engine Control Module
  • Cruise Control Release Switch
  • Turn Signal Multifunction Switch
  • Cruise Control On Off Switch
  • 2008 Hummer H3  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Ignition Switch
  • Body Control Module
  • Engine Control Module
  • Powertrain Relay
  • 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 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Underhood Fuse Block
  • Trailer Connector
  • Blunt Cut Trailer Provision
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Automatic Transmission Shift Lock Control Solenoid
  • Automatic Transmission Shift Lever
  • 2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Electrical Symbol
  • 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 details2006 Hummer H3 Headlight, Driver Side, Bulbs included; Composite and combination type; DOT and SAE approved; A high quality, direct fit OE replacement headlight assembly; With 2 years limited TrustBuilt warranty..

    Source: Auto Body Parts Store

    $131.41

    Click here to view more details about 2006 Hummer H3 Fog Light Front Passenger Side2006 Hummer H3 Fog Light Front Passenger Side, Fog Light Assembly; Passenger Side [1ST Design], , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $60.45

    Click here to view more details2006 Hummer H3 L5, 3.5 L, 213 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details2006 Hummer H3 Used Air Flow Meter/Sensor, 3.5, AUTO, 4X4, Very Good.

    Source: Used Auto Parts Store

    $100.00

    Click here to view more details2007 Hummer H3 Used Air Injection Pump, 3.7, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $85.00
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