1990 Buick Regal Wiring Diagrams (ONLINE REPAIR MANUALS)

Auto Parts Search


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 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!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

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 Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

Components on diagram:
  • A/C Compressor Control Relay
  • Power Steering Pressure Switch
  • Heater And A/C Control Assembly
  • A/C Compressor Clutch
  • A/C Low Pressure Switch
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Starter Solenoid
  • Battery
  • Ignition Switch
  • Instrument Cluster
  • Starter Assembly
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Electronic Control Module
  • Assembly Line Diagnostic Link Connector
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Vehicle Speed Sensor
  • Instrument Cluster
  • Cruise Control Module
  • Passive Restraint Control Module
  • Electronic Control Module
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Blower
  • A/C Valve Vacuum Actuator
  • Heater Vacuum Actuator
  • Recirculation Valve Vacuum Actuator
  • Bi-Level Valve Vacuum Actuator
  • 1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Light Switch
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Horn Relay
  • Horn
  • Horn Switch
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Cigar Lighter
  • Luggage Compartment Light
  • Underhood Light
  • RH Vanity Mirror Light
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 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 details about 1990 Buick Regal Grille Assembly1990 Buick Regal Grille Assembly, With billet grille insert; A high quality, direct fit OE replacement grille assembly..

    Source: Auto Body Parts Store

    $37.57

    Click here to view more details about 1996 Buick Regal Cornering Light, Driver Side1996 Buick Regal Cornering Light, Driver Side, A High Quality, Direct Fit OE Replacement For Cornering Light.

    Source: Auto Body Parts Store

    $27.85

    Click here to view more details1987 Buick Regal 14" x 6" Steel Wheel, Steel Wheel; 14 X 6; Solid Disc; 5 Lug; 4.75 Inch BP; Ident KW; Black, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $69.50

    Click here to view more details1993 Buick Regal Custom V6, 3.1 L, 189 CID Rebuilt Engine, FWD, without cam sensor, flat lifters., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,445.00

    Click here to view more details2013 Buick Regal Used Bumper Bar, Front, 4DR, White, PREMIUM 1 BAR W/LH&RH MTG. BRACKETS (A.K.A. ENERGY ABSORBERS) ONLY, Very Good.

    Source: Used Auto Parts Store

    $472.00

    Click here to view more details1988 Buick Regal Used Fender, Driver Side, 2DR, Very Good.

    Source: Used Auto Parts Store

    $151.00
    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 Buick Regal 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:
    Auto Repair Quick Search
    Help me find