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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  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

Components on diagram:
  • HVAC Control Module
  • 2002 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2002 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Radio
  • Vehicle Interface Unit
  • Remote Playback Device CD Player
  • 2002 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Body Control Module
  • Window Switch-LR
  • RAP #1 Relay
  • 2002 GMC Sierra 2500 HD  8.1 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Backup Lamp Switch
  • Park/Neutral Position Switch
  • Ambient Air Temperature Sensor
  • Inside Rearview Mirror
  • Outside Rearview Mirror-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:
  • Window Switch-LR
  • Window Motor-LR
  • Window/Door Lock Switch-Driver
  • 2002 GMC Sierra 2500 HD  6.6 V8 DIESEL Wiring Diagram2002 GMC Sierra 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Lock Relay
  • Unlock Relay
  • Body Control Module
  • 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:
  • Body Control Module
  • Headlamp Relay
  • Headlamp Dimmer Switch
  • Headlamp High Beam-Left
  • Headlamp High Beam-Right
  • 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
  • Daytime Running Lamps
  • Ambient Light Sensor
  • 2002 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Dome Lamp
  • Courtesy Lamp Relay
  • Inadvertent Power Relay
  • IP Courtesy Lamp-Left
  • 2002 GMC Sierra 2500 HD  6.0 V8 GAS Wiring Diagram2002 GMC Sierra 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Console Courtesy Lamp
  • Inadvertent Power Relay
  • I/P Courtesy Lamp-Left
  • I/P Courtesy Lamp-Right
  • Door Courtesy Lamp-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 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 details about 2009 GMC Sierra 2500 HD Mirror, Passenger Side2009 GMC Sierra 2500 HD Mirror, Passenger Side.

    Source: Auto Body Parts Store

    $151.95

    Click here to view more details2005 GMC Safari Van Radiator, Radiator; 4.3LTR, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $96.45

    Click here to view more details2004 GMC Sierra 2500 HD V8, 8.1 L, 495 CID Rebuilt Engine, Roller Vortec, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $3,265.00

    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

    Click here to view more details2007 GMC Sierra 2500 HD Used Rear Axle Assembly, 6.0, AUTO, 4X4 10.5 RING GEAR, 4.10 RATIO (OPT GT5), Very Good.

    Source: Used Auto Parts Store

    $1,236.00
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