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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 SLT 6.0 V8 GAS Wiring Diagram2008 GMC Sierra 2500 HD SLT 6.0 V8 GAS Wiring Diagram

Components on diagram:
  • Vehicle Speed Sensor
  • Transfer Case Shift Control 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:
  • Body Control Module
  • Sliding Rear Window Switch
  • Sliding Rear Window Motor
  • Sliding Rear Window Close Relay
  • Sliding Rear Window Open Relay
  • 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:
  • Driver Door Lock Window Switch
  • Passenger Door Lock Window Switch
  • 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
  • Turn Signal Multifunction Switch
  • 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:
  • Instrument Panel Cluster
  • Park Brake Switch
  • Brake Fluid Level Switch
  • Body Control Module
  • 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
  • Ambient Air Temperature Sensor
  • Inside Rearview Mirror
  • Driver Outside Rearview Mirror
  • Underhood Fuse Block
  • 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:
  • Fan Control Relay
  • Engine Control Module
  • LH Engine Cooling Fan
  • RH Engine Cooling Fan
  • 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:
  • Instrument Panel Cluster
  • Data Link Connector
  • Radio
  • Chime Module
  • HVAC Control Module
  • 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:
  • Instrument Panel Cluster
  • Ignition Switch
  • Body Control Module
  • Hood Ajar Switch
  • Engine Control Module
  • 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 details about 2010 GMC Sierra 2500 HD Bumper Bracket, Front, Driver Side2010 GMC Sierra 2500 HD Bumper Bracket, Front, Driver Side, A high quality, OE replacement bumper bracket; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $17.36

    Click here to view more details about 2008 GMC Sierra 2500 HD Third Brake Light2008 GMC Sierra 2500 HD Third Brake Light, With cargo light and clear lens; Without red caps; FMVSS-108, DOT and SAE approved; A high quality, direct fit OE replacement third brake light..

    Source: Auto Body Parts Store

    $298.35

    Click here to view more details about 1996 GMC Van Fullsize Door Mirror Driver Side1996 GMC Van Fullsize Door Mirror Driver Side, Driver Or Passenger Side Manual Door Mirror; Below Eyeline Type; Stainless Steel, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $62.50

    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 details2011 GMC Sierra 2500 HD Used A/C Compressor, 5.3, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $159.00

    Click here to view more details2001 GMC Sierra 2500 HD Used Air Injection Pump, 4.8, AUTO, 4X2 4.8L, Very Good.

    Source: Used Auto Parts Store

    $136.00
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