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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Buick Regal car and truck repair procedures including Buick 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 Buick Regal automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 1990 Buick Regal

  • 1990 Buick Regal Custom 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
  • 1990 Buick Regal Custom 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L
  • 1990 Buick Regal Limited 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
  • 1990 Buick Regal Limited 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L

WIRING DIAGRAMS FOR 1990 Buick Regal AUTOMOBILES

OEM drawn wiring diagrams for most 1990 Buick Regal cars and light trucks sold in the U.S.

1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

Components on diagram:
  • Pump Motor Relay
  • Instrument Cluster
  • Brake Warning Indicator
  • Pump Motor
  • Rear Enable Relay
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Instrument Cluster
  • Brake Switch
  • Cruise Control Module
  • Cruise Indicator
  • Multifunction Lever
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Light Switch
  • Fasten Belts Indicator
  • Chime Module
  • Ignition Key Warning Switch
  • LH Door Jamb Switch
  • 1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • Park Brake Switch
  • Brake Fluid Level Switch
  • Daytime Running Lights Module
  • 1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • RH Tail Light
  • LH Tail Light
  • RH License Light
  • LH Tail Stop Turn Light
  • RH Tail Stop Turn Light
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • RH License Light
  • LH Rear Marker Light
  • RH Rear Marker Light
  • LH Tail Stop Turn Light
  • RH Tail Stop Turn Light
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Light Switch
  • RH Front Door Jamb Switch
  • LH Front Door Jamb Switch
  • RH Rear Door Jamb Switch
  • LH Rear Door Jamb Switch
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Transaxle Position Switch
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Power Door Lock Relay
  • LH Front Door Lock Switch Assembly
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Wiper Washer Switch
  • Washer Motor
  • Wiper Washer Motor Assembly
  • CLICK HERE TO GET FULL ACCESS TO 1990 Buick Regal WIRING DIAGRAMS!

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

    Click here to view more details1990 Buick Regal Oil Pressure Switch, 1/8 in. x 27 NPT thread size; Post type; 3-prong male terminal; A high quality, direct fit OE replacement oil pressure switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $30.51

    Click here to view more details2003 Buick Regal Ignition Switch, Two 6-prong female terminals; A high quality, OE replacement ignition switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $137.23

    Click here to view more details about 2004 Buick Regal 15" Wheel Cover2004 Buick Regal 15" Wheel Cover, WHEEL COVER, 15 INCHES, 7 SLOTS, SILVER, CHROME AFTERMARKET , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $23.45

    Click here to view more details about 1986 Buick Regal V8, 5.0 L, 305 CID Rebuilt Engine1986 Buick Regal V8, 5.0 L, 305 CID Rebuilt Engine, Carb or fuel injected, one piece rear seal, except HO., Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,260.00

    Click here to view more details2000 Buick Regal Used Air Injection Pump, 3.1, AUTO, FWD (3.8L, VIN K, Calif), Very Good.

    Source: Used Auto Parts Store

    $135.00

    Click here to view more details2000 Buick Regal Used A/C Compressor, 3.8, AUTO, FWD, Very Good.

    Source: Used Auto Parts Store

    $145.00
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