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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 Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

Components on diagram:
  • Electronic Control Module
  • Digital Exhaust Gage Recirculation Assembly
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Fuel Tank Unit
  • RH Safety Belt Lap Retractor Solenoid
  • RH Safety Belt Shoulder Retractor Solenoid
  • Power Antenna Relay
  • LH Backup Light
  • 1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio Control Interface Module
  • Radio
  • Radio Control Head
  • Antenna
  • Assembly Line Diagnostic Link Connector
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Passive Restraint Control Module
  • Electronic Control Module
  • Driver's Door Latch Switch
  • Passenger Door Latch Switch
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Light Switch
  • Hi Beam Indicator
  • LH Composite Headlight Assembly
  • RH Composite Headlight Assembly
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Passive Restraint Control Module
  • Electronic Control Module
  • Key Cylinder Light
  • Driver's Door Latch Switch
  • Passenger Door Latch Switch
  • 1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Light Switch
  • Foglight Relay
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • RH Front Window Switch
  • LH Front Window Switch
  • LH Front Window Motor
  • 1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Turn Signal Switch
  • Cancel Cam Assembly
  • Switch And Electronics Module
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Sunroof
  • 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 1996 Buick Regal Door Handle, Front Or Rear, Driver Side1996 Buick Regal Door Handle, Front Or Rear, Driver Side, Without keyhole; A high quality, OE replacement door handle; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $17.78

    Click here to view more details1994 Buick Regal Antenna, A high quality OE replacement radio antenna; With 1-year or 12,000-mile AC Delco limited warranty..

    Source: Auto Body Parts Store

    $32.17

    Click here to view more details1984 Buick Regal 15" x 7" Steel Wheel, Steel Wheel; 15 X 7; Solid Disc; 5 Lug; 4.75 Inch BP; Ident AF; Silver Full Face, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $69.50

    Click here to view more details1984 Buick Regal V6, 4.1 L, 252 CID Rebuilt Engine, With or without smog, oil pump kit only., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,365.00

    Click here to view more details2000 Buick Regal Used Parking Lamp, Driver Side, FOG/DRIVING; (BUMPER MTD), Good.

    Source: Used Auto Parts Store

    $56.00

    Click here to view more details1991 Buick Regal Used Tail Light, Passenger Side, 4 Dr, Very Good.

    Source: Used Auto Parts Store

    $129.00
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