2004 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 2004 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 2004 GMC Sierra 2500 HD automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2004 GMC Sierra 2500 HD

  • 2004 GMC Sierra 2500 HD 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
  • 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:1
  • 2004 GMC Sierra 2500 HD 8.1 V8 GAS, CID:496, Fuel Injection, Aspiration:496, Engine VIN:, Desg:G
  • 2004 GMC Sierra 2500 HD 6.6 V8 DIESEL, CID:403, Fuel Injection, Aspiration:403, Engine VIN:, Desg:2

WIRING DIAGRAMS FOR 2004 GMC Sierra 2500 HD AUTOMOBILES

OEM drawn wiring diagrams for most 2004 GMC Sierra 2500 HD cars and light trucks sold in the U.S.

2004 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2004 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

Components on diagram:
  • Brake Pedal Position Sensor
  • Electro Hydraulic Power Steering Module
  • Steering Wheel Speed Position Sensor
  • 2004 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2004 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • 1-2 Shift Solenoid Valve
  • 2-3 Shift Solenoid Valve
  • Powertrain Control Module
  • Automatic Transmission
  • Stoplamp Switch
  • 2004 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2004 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • HVAC Control Module
  • Front Passenger Door Module
  • Outside Rearview Mirror Driver
  • Outside Rearview Mirror Front Passenger
  • 2004 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2004 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Body Control Module
  • Driver Door Module
  • Ignition Key Alarm Switch
  • Audio Amplifier
  • 2004 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2004 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Trailer Connector
  • 2004 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2004 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Door Latch Assembly RR
  • Door Latch Assembly LR
  • Door Latch Assembly Driver
  • Door Latch Assembly Front Passenger
  • 2004 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2004 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Seat Adjuster Switch Driver
  • Seat Rear Vertical Motor Driver
  • Seat Horizontal Motor Driver
  • Seat Front Vertical Motor Driver
  • 2004 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2004 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Inflatable Restraint Sensing And Diagnostic Module
  • Seat Belt Switch Driver
  • 2004 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2004 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Inflatable Restraint Sensing And Diagnostic Module
  • CLICK HERE TO GET FULL ACCESS TO 2004 GMC Sierra 2500 HD WIRING DIAGRAMS!

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

    Click here to view more details2005 GMC Sierra 2500 HD Bumper Bracket, Front, Driver Side, AutoTrust Gold products are guaranteed to meet or exceed the original manufacturer's standards and quality; <b>Backed by a 5-year limited warranty</b>; If the part breaks or is damaged - even if you are involved in a wreck or accident - anytime within 5 years from purchase, simply cover shipping and handling and we will send you a new part..

    Source: Auto Body Parts Store

    $11.15

    Click here to view more details about 2005 GMC Sierra 2500 HD Door Handle, Front, Passenger Side2005 GMC Sierra 2500 HD Door Handle, Front, Passenger Side, With keyhole; A high quality, OE replacement door handle; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $14.34

    Click here to view more details1991 GMC Suburban Radiator Support For Models With Quad Head Light S, Radiator Support For Models With Quad Head Light S, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $112.50

    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 details2002 GMC Sierra 2500 HD Used Turbo, 6.6, AUTO, 4X4, 110K (6.6L), Fed emis, opt NF2, Very Good.

    Source: Used Auto Parts Store

    $371.00

    Click here to view more details2010 GMC Sierra 2500 HD Used Air Cleaner Assembly, 5.3, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $152.00
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