2005 GMC Sierra 2500 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 2005 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 2005 GMC Sierra 2500 HD automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2005 GMC Sierra 2500 HD

  • 2005 GMC Sierra 2500 HD 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
  • 2005 GMC Sierra 2500 HD 8.1 V8 GAS, CID:496, Fuel Injection, Aspiration:496, Engine VIN:, Desg:G
  • 2005 GMC Sierra 2500 HD 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:2
  • 2005 GMC Sierra 2500 HD 6.0 V8 CNG, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U

WIRING DIAGRAMS FOR 2005 GMC Sierra 2500 HD AUTOMOBILES

OEM drawn wiring diagrams for most 2005 GMC Sierra 2500 HD cars and light trucks sold in the U.S.

2005 GMC Sierra 2500 HD  6.0 V8 CNG Wiring Diagram2005 GMC Sierra 2500 HD 6.0 V8 CNG Wiring Diagram

Components on diagram:
  • Powertrain Control Module
  • Ignition Coil 3
  • Ignition Coil 4
  • Ignition Coil 1
  • Ignition Coil 2
  • 2005 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2005 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Cigar Lighter
  • Auxiliary Power Outlet - Front
  • Auxiliary Power Outlet - Console
  • 2005 GMC Sierra 2500 HD  6.0 V8 CNG Wiring Diagram2005 GMC Sierra 2500 HD 6.0 V8 CNG Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Powertrain Control Module
  • Cruise Control
  • Throttle Actuator Control (TAC) Module
  • Turn Signal/Multifunction Switch
  • 2005 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2005 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Stop Lamp Switch
  • Allison Transmission
  • Shift Solenoid E
  • 2005 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2005 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Transmission Control Module
  • Glow Plug Controller
  • Fuel Heater
  • Engine Control Module
  • Engine Oil Level Switch
  • 2005 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2005 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Power Take Off Switch
  • Clearance Lamps
  • Inflatable Restraint I/P Module Disable Switch
  • Roof Marker Lamp - Left
  • Roof Marker Lamp - Right
  • 2005 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2005 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Door Latch Assembly - RR
  • Door Latch Assembly - Driver
  • Door Latch Assembly - Passenger
  • Door Latch Assembly - LR
  • 2005 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2005 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Driver Door Module
  • Front Passenger Door Module
  • Outside Rear View Mirror - Passenger
  • 2005 GMC Sierra 2500 HD  6.0 V8 CNG Wiring Diagram2005 GMC Sierra 2500 HD 6.0 V8 CNG Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Radio
  • Rear Seat Audio Controller
  • CLICK HERE TO GET FULL ACCESS TO 2005 GMC Sierra 2500 HD WIRING DIAGRAMS!

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