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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2002 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 2002 GMC Sierra 2500 HD automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2002 GMC Sierra 2500 HD

  • 2002 GMC Sierra 2500 HD 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
  • 2002 GMC Sierra 2500 HD 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:1
  • 2002 GMC Sierra 2500 HD 8.1 V8 GAS, CID:496, Fuel Injection, Aspiration:496, Engine VIN:, Desg:G

WIRING DIAGRAMS FOR 2002 GMC Sierra 2500 HD AUTOMOBILES

OEM drawn wiring diagrams for most 2002 GMC Sierra 2500 HD cars and light trucks sold in the U.S.

2002 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

Components on diagram:
  • 1-2 Shift Solenoid Valve
  • 3-2 Shift Solenoid Valve
  • Torque Converter Clutch Pulse Width Modulation Solenoid Valve
  • Torque Converter Clutch Solenoid Valve
  • 2-3 Shift Solenoid Valve
  • 2002 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2002 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Backup Lamp Switch
  • Park/Neutral Position Switch
  • Ambient Air Temperature Sensor
  • Inside Rearview Mirror
  • 2002 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Door Lock Relay
  • Door Unlock Relay
  • Door Lock Switch-Passenger
  • Door Lock Switch-Driver
  • 2002 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Outside Rearview Mirror Switch
  • Outside Rearview Mirror-Passenger
  • Outside Rearview Mirror-Driver
  • Window Door Lock Switch-Driver
  • 2002 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Seat Adjuster Switch-Driver
  • Seat Rear Vertical Motor-Driver
  • Seat Horizontal Motor-Driver
  • Seat Front Vertical Motor-Driver
  • 2002 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Transfer Case Shift Control Module
  • Powertrain Control Module
  • Transfer Case Encoder Motor
  • 2002 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Tail/Stop Lamp-Right
  • Tail/Stop Lamp-Left
  • Marker Lamp-Tailgate
  • Marker Lamp-Right
  • 2002 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Exterior Illumination Lamps Relay
  • Outside Rearview Mirror-Front Passenger
  • Outside Rearview Mirror-Driver
  • Window Door Lock Switch-Front Passenger
  • 2002 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Parklamp Relay
  • Body Control Module
  • Dimmer Switch
  • Ashtray Lamp
  • Door Lock Switch-Front Passenger
  • 2002 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2002 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Door Jamb Switch-Front Passenger
  • Door Jamb Switch-Driver
  • CLICK HERE TO GET FULL ACCESS TO 2002 GMC Sierra 2500 HD WIRING DIAGRAMS!

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

    Click here to view more details about 2006 GMC Sierra 2500 HD Bumper Cover, Front2006 GMC Sierra 2500 HD Bumper Cover, Front.

    Source: Auto Body Parts Store

    $109.61

    Click here to view more details about 2010 GMC Sierra 2500 HD Tailgate2010 GMC Sierra 2500 HD Tailgate, With lock provision; A high quality, OE replacement tailgate; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $186.86

    Click here to view more details about 2012 GMC Canyon Full Mirror Covers2012 GMC Canyon Full Mirror Covers, FULL MIRROR COVERS, 2 PIECE SET , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $42.55

    Click here to view more details2002 GMC Sierra 2500 HD V8, 6 L, 364 CID Rebuilt Engine, 6.0 V-8 Aluminum Heads, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,099.00

    Click here to view more details2009 GMC Sierra 2500 HD Used Air Flow Meter/Sensor, 4.8, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $77.00

    Click here to view more details2002 GMC Sierra 2500 HD Used Exhaust Manifold, L., Very Good.

    Source: Used Auto Parts Store

    $96.00
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