2008 GMC Sierra 3500 HD Wiring Diagrams (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 GMC Sierra 3500 HD car and truck repair procedures including GMC 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 GMC Sierra 3500 HD automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2008 GMC Sierra 3500 HD

  • 2008 GMC Sierra 3500 HD WT 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:K
  • 2008 GMC Sierra 3500 HD WT 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:6
  • 2008 GMC Sierra 3500 HD SLT 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:K
  • 2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:6
  • 2008 GMC Sierra 3500 HD SLE 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:K
  • 2008 GMC Sierra 3500 HD SLE 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:6

WIRING DIAGRAMS FOR 2008 GMC Sierra 3500 HD AUTOMOBILES

OEM drawn wiring diagrams for most 2008 GMC Sierra 3500 HD cars and light trucks sold in the U.S.

2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram

Components on diagram:
  • Clutch Pedal Position Switch
  • Engine Control Module
  • Vehicle Shock Sensor
    • 2008 GMC Sierra 3500 HD WT 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 3500 HD WT 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Outside Rearview Mirror Switch
  • Driver Outside Rearview Mirror
  • Passenger Outside Rearview Mirror
    • 2008 GMC Sierra 3500 HD SLE 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 3500 HD SLE 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Turn Signal Multifunction Switch
    • 2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Fuel Injector 4
  • Fuel Injector 2
  • Fuel Injector 6
  • Engine Oil Pressure Sensor
  • Fuel Injector 8
    • 2008 GMC Sierra 3500 HD SLT 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 3500 HD SLT 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Vehicle Speed Sensor
  • Transfer Case Shift Control Switch
    • 2008 GMC Sierra 3500 HD SLE 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 3500 HD SLE 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Passenger Seat Adjuster Switch
  • Passenger Seat Rear Vertical Motor
  • Passenger Seat Front Vertical Motor
  • Passenger Seat Horizontal Motor
  • Passenger seat Adjuster Motor Assembly
    • 2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Starter Relay
  • Ignition Switch
  • Body Control Module
  • Starter Motor
    • 2008 GMC Sierra 3500 HD SLE 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 3500 HD SLE 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Generator
  • RH Battery
  • Engine Control Module
  • Driver Information Center
    • 2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 3500 HD SLT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Inflatable Restraint Steering Wheel Module Coil
  • RH Steering Wheel Control Switch
  • LH Steering Wheel Control Switch
  • Heated Steering Wheel Control Module

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