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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
  • LH Rear Window Switch
  • Driver Window Motor
  • LH Rear Window Motor
  • Driver Door Lock Window 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:
  • RH Rear Window Switch
  • Passenger Window Switch
  • Driver Window Switch
  • Passenger Window Motor
  • RH Rear Window 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:
  • Body Control Module
  • Passenger Door Lock Switch
  • Driver Door Lock 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:
  • Body Control Module
  • Electronic Brake Control Module
  • Stoplamp Switch
  • IP Multifunction Switch
  • 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:
  • Stoplamp Switch
  • Trailer Brake Control Module
  • Trailer Brake Control Switch
  • Trailer Brake Control Relay
  • 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:
  • Radio
  • LH Front Speaker
  • RH Front Speaker
  • LH Front Tweeter Speaker
  • RH Front Tweeter Speaker
  • 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
  • Transmission Control Module
  • Body Control Module
  • Stoplamp Switch
  • Inflatable Restraint Steering Wheel Module Coil
  • 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:
  • Garage Door Opener
  • IP Fuse Block
  • LH IP Junction 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:
  • Transmission Control Module
  • Automatic Transmission
  • Engine Control Module
  • Stoplamp Switch
  • Underhood Fuse 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:
  • Clutch Pedal Position Switch
  • Engine Control Module
  • Vehicle Shock Sensor
  • 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 2010 GMC Sierra 2500 HD Vent Visor, Front Or Rear2010 GMC Sierra 2500 HD Vent Visor, Front Or Rear, Crafted in Germany from the finest 3 mm tinted acrylic material available; Optically transparent; Precision-machined to perfectly fit your vehicle; Features sleek, low profile, and aerodynamic design to help reduce wind noise and allow interior heat to escape; Provides fresh air enjoyment with an original equipment look; Helps keep side windows dry in the rain; Installs inside the window channel; Easy installation with no exterior tape needed..

    Source: Auto Body Parts Store

    $97.71

    Click here to view more details about 2004 GMC Sonoma Pickup 15" X 7" Alloy Wheel2004 GMC Sonoma Pickup 15" X 7" Alloy Wheel, ALLOY WHEEL, 15 X 7, 5 STUDS/LUGS, 4.75" BOLT DIA, 5 SPOKES, SILVER, 4X4. MACH'D LIP AND LUG AREA WITH SILV SPKS., , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $111.45

    Click here to view more details2002 GMC Sierra 2500 HD V8, 8.1 L, 496 CID Rebuilt Engine, Roller Vortec, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $3,265.00

    Click here to view more details2010 GMC Sierra 2500 HD Used CD Changer, AM-FM-STEREO-CD CHANGER-MP3-USB (OPT UUN), Very Good.

    Source: Used Auto Parts Store

    $260.00

    Click here to view more details2008 GMC Sierra 2500 HD Used Air Flow Meter/Sensor, 4.3, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $85.00
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