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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 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

Components on diagram:
  • Horn Relay
  • Body Control Module
  • Horn
  • Horn Switch
  • Turn Signal Multifunction Switch
  • 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
  • RH Headlamp Leveling Actuator
  • LH Headlamp Leveling Actuator
  • Underhood Fuse Block
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Ambient Air Temperature Sensor
  • Inside Rearview Mirror
  • 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 X 3.7 L5 GAS Wiring Diagram2008 Hummer H3 X 3.7 L5 GAS Wiring Diagram

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

    Components on diagram:
  • Battery
  • Starter
  • AC Clutch Relay
  • Air Solenoid Relay
  • Digital Radio Receiver
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • Body Control Module
  • AC Clutch Relay
  • Run Crank Relay
  • 2008 Hummer H3  3.7 L5 GAS Wiring Diagram2008 Hummer H3 3.7 L5 GAS Wiring Diagram

    Components on diagram:
  • Automatic Transmission Shift Lever
  • Ignition Lock Cylinder Control Actuator
  • 2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram2008 Hummer H3 Alpha 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Inside Rearview Mirror
  • Rearview Camera
  • Rearview Camera Image Display 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 Cover, Front2006 Hummer H3 Bumper Cover, Front.

    Source: Auto Body Parts Store

    $201.58

    Click here to view more details2010 Hummer H3 Antenna, 3-section mast; Top or side mount; A high quality antenna; May require modification or other adjustment to your vehicle upon installation; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $13.08

    Click here to view more details2010 Hummer H3 20" x 7.5" Alloy Wheel, Alloy Wheel; 20 X 7.5; 43MM Offset; 7 Spokes; 6 Lug; 5.5 Inch BP; Dark Gray Flange Cut, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $204.50

    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

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    Click here to view more details2006 Hummer H3 Used Ignition Switch W/Key, Very Good.

    Source: Used Auto Parts Store

    $85.00

    Click here to view more details2007 Hummer H3 Used Condenser Assembly, 3.7, FLR, 4X4, Very Good.

    Source: Used Auto Parts Store

    $120.00
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