Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!
Help me findSearch
Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 GMC K2500 Pickup 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 1990 GMC K2500 Pickup automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 1990 GMC K2500 Pickup

  • 1990 GMC K2500 Pickup Sierra 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
  • 1990 GMC K2500 Pickup Sierra 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:H
  • 1990 GMC K2500 Pickup Sierra 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
  • 1990 GMC K2500 Pickup Sierra 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:C
  • 1990 GMC K2500 Pickup Sierra 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:J
  • 1990 GMC K2500 Pickup Sierra XC 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
  • 1990 GMC K2500 Pickup Sierra XC 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:H
  • 1990 GMC K2500 Pickup Sierra XC 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
  • 1990 GMC K2500 Pickup Sierra XC 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:C
  • 1990 GMC K2500 Pickup Sierra XC 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:J

WIRING DIAGRAMS FOR 1990 GMC K2500 Pickup AUTOMOBILES

OEM drawn wiring diagrams for most 1990 GMC K2500 Pickup cars and light trucks sold in the U.S.

1990 GMC K2500 Pickup Sierra XC 5.0 V8 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra XC 5.0 V8 GAS Wiring Diagram

Components on diagram:
  • A/C Compressor Clutch
  • A/C Pressure Cycling Switch
  • Headlamps Switch
  • A/C Air Inlet Valve Motor Pressure Switch
  • Panel & Interior Lamps Control Switch
  • 1990 GMC K2500 Pickup Sierra XC 4.3 V6 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra XC 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Starter Motor Solenoid
  • Ignition Switch
  • Generator
  • Auxiliary Battery Relay
  • Headlamps Switch
  • 1990 GMC K2500 Pickup Sierra XC 5.7 V8 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra XC 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Park Brake Switch
  • Brake Pressure Warning Switch
  • 1990 GMC K2500 Pickup Sierra XC 6.2 V8 DIESEL Wiring Diagram1990 GMC K2500 Pickup Sierra XC 6.2 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Right Side Marker Lamp
  • Convenience Center
  • Hazard Flasher
  • Left Side Marker Lamp
  • Directional Signal Switch
  • 1990 GMC K2500 Pickup Sierra 4.3 V6 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Convenience Center
  • Fog Lamp Relay
  • Fog Lamp Switch
  • Left Hand Fog Lamp
  • Left Hand High And Low Beam Headlamp
  • 1990 GMC K2500 Pickup Sierra XC 5.0 V8 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra XC 5.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Park Brake Switch
  • Headlamp Dimmer Switch
  • Right Hand Park and Turn Signal Lamp
  • Left Hand Park And Turn Signal Lamp
  • 1990 GMC K2500 Pickup Sierra XC 6.2 V8 DIESEL Wiring Diagram1990 GMC K2500 Pickup Sierra XC 6.2 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Hot Fuel Handling Module
  • Fuel Meter and Pump
  • 1990 GMC K2500 Pickup Sierra XC 4.3 V6 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra XC 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Cluster
  • Headlamp Switch
  • Heater Lamp
  • Panel And Interior Lamp Control Switch
  • 1990 GMC K2500 Pickup Sierra XC 5.0 V8 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra XC 5.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Convenience Center
  • Front Identification Lamp
  • 1990 GMC K2500 Pickup Sierra 4.3 V6 GAS Wiring Diagram1990 GMC K2500 Pickup Sierra 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • CLICK HERE TO GET FULL ACCESS TO 1990 GMC K2500 Pickup WIRING DIAGRAMS!

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

    Click here to view more details about 1999 GMC K2500 Suburban Window Regulator, Front, Driver Side1999 GMC K2500 Suburban Window Regulator, Front, Driver Side, Manufactured from 100 percent new components for reliable and long lasting performance; Features OE-comparable structural configuration, connectors, and drive gears that are designed for improved and longer service life..

    Source: Auto Body Parts Store

    $52.46

    Click here to view more details about 1998 GMC K2500 Fan Shroud1998 GMC K2500 Fan Shroud, Single type; Made from tough material for maximum strength and durability; Guides and facilitates airflow created by radiator fan; Increases cooling potential of your vehicle; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $28.75

    Click here to view more details1996 GMC Van Fullsize Radiator, Radiator; 4.3/5.0/5.7LTR; With Engine Oil Cooler, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $123.45

    Click here to view more details1995 GMC K2500 Pickup Sierra XC V8, 7.4 L, 454 CID Rebuilt Engine, Fuel injection, with detonation sensor, one piece rear main seal., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,960.00

    Click here to view more details1988 GMC K2500 Pickup Used Wiper Motor Front, TEST= ASSY= # PINS= 04/12/08TP-BC:, 41RDR6, LOC:21RSPB, NI:WMF-ACH, CC:0.0, Very Good.

    Source: Used Auto Parts Store

    $60.00

    Click here to view more details1988 GMC K2500 Pickup Used Rear Vent Window, Driver Side, w/privacy glass, Good.

    Source: Used Auto Parts Store

    $55.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1990 GMC K2500 Pickup vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    GOT A WEBSITE?Make money with Automotix

    Make money with Automotix Partner Program.

    Learn more

    Auto Repair Quick Search
    Help me find