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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 2500 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 2500 HD automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2008 GMC Sierra 2500 HD

  • 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:K
  • 2008 GMC Sierra 2500 HD SLT 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:K
  • 2008 GMC Sierra 2500 HD SLE 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:K
  • 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:6
  • 2008 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:6
  • 2008 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:6

WIRING DIAGRAMS FOR 2008 GMC Sierra 2500 HD AUTOMOBILES

OEM drawn wiring diagrams for most 2008 GMC Sierra 2500 HD cars and light trucks sold in the U.S.

2008 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL Wiring Diagram

Components on diagram:
  • Body Control Module
  • Driver Outside Rearview Mirror
  • Passenger Outside Rearview Mirror
  • Driver Door Lock Window Switch
  • Passenger Door Lock Window Switch
  • 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 2500 HD WT 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • RH Rear Door Latch
  • Body Control Module
  • LH Rear Door Latch
  • IP Fuse Block
  • Driver Door Latch
  • 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Driver Door Lock Window Switch
  • LH IP Junction Block
  • Passenger Door Lock Window Switch
  • RH IP Junction Block
  • 2008 GMC Sierra 2500 HD SLE 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 2500 HD SLE 6.0 V8 GAS 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
  • 2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 2500 HD WT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Starter Relay
  • Ignition Switch
  • Body Control Module
  • Starter Motor
  • 2008 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • RH Rear Door Latch
  • LH Rear Door Latch
  • Video Display
  • Vehicle Communication Interface Module
  • 2008 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 2500 HD SLT 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Body Control Module
  • RH Battery
  • Radio Fuse Block
  • 2008 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL Wiring Diagram2008 GMC Sierra 2500 HD SLE 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Memory Seat Module
  • Driver Heated Seat Switch
  • Driver Heated Seat Cushion Element
  • Driver Heated Seat Back Element
  • Driver Door Lock Window Switch
  • 2008 GMC Sierra 2500 HD WT 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 2500 HD WT 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Engine Control Module
  • Transfer Case Shift Control Switch
  • Front Drive Axle Actuator
  • 2008 GMC Sierra 2500 HD SLT 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 2500 HD SLT 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Transfer Case Shift Control Module
  • Body Control Module
  • Transfer Case Shift Control Switch
  • CLICK HERE TO GET FULL ACCESS TO 2008 GMC Sierra 2500 HD WIRING DIAGRAMS!

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

    Click here to view more details2010 GMC Sierra 2500 HD Headlight, Passenger 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

    $207.93

    Click here to view more details about 2009 GMC Sierra 2500 HD Nerf Bars2009 GMC Sierra 2500 HD Nerf Bars, 5 in. oval; Includes four molded plastic step pads that wrap around the bar's front section; Made of aluminum tubing with vacuum metalized mirror finish; Offers maximum step area; With Dee Zee's limited lifetime warranty..

    Source: Auto Body Parts Store

    $307.56

    Click here to view more details2013 GMC Yukon Tail Light Assembly, Passenger Side, PASSENGER SIDE TAIL LIGHT ASSEMBLY, EXCEPT DENALI MODELS, WITH RED OUTER LENS, INCLUDES WIRING HARNESS, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $54.45

    Click here to view more details2002 GMC Sierra 2500 HD V8, 8.1 L, 496 CID Rebuilt Engine, Roller Vortec, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $3,265.00

    Click here to view more details2007 GMC Sierra 2500 HD Used Wiper Motor Front, new style (smooth Dr skin), assm plant opt ARL, CMD, FWI, JAN or MSL, Very Good.

    Source: Used Auto Parts Store

    $70.00

    Click here to view more details2003 GMC Sierra 2500 HD Used Wiper Motor Front, Very Good.

    Source: Used Auto Parts Store

    $86.00
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