1990 Buick Regal Wiring Diagrams (ONLINE REPAIR MANUALS)

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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:
  • A/C Compressor Control Relay
  • Primary Coolant Fan Relay
  • Secondary Coolant Fan Relay
  • Electronic Control Module
  • Primary Coolant Fan
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Fuel Tank Unit
  • Instrument Cluster
  • Cruise Control Module
  • Transaxle Position Switch
  • Passive Restraint Control Module
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 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 Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Primary Coolant Fan Relay
  • Battery
  • Starter Assembly
  • Generator
  • Component Center
  • 1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1990 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Idle Air Control Motor
  • Vehicle Speed Sensor
  • Throttle Position Sensor
  • A/C Pressure Fan Switch
  • Canister Purge Solenoid
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Light Switch
  • Daytime Running Lights Module
  • 1990 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.1 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 Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Dome Light
  • RH Front Door Jamb Switch
  • RH Rear Door Jamb Switch
  • LH Rear Door Jamb Switch
  • Inside Lighted Mirror Assembly
  • 1990 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1990 Buick Regal Limited 3.8 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 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 1994 Buick Regal Engine Harmonic Balancer1994 Buick Regal Engine Harmonic Balancer, A high quality, direct fit OE replacement harmonic balancer; With limited lifetime warranty..

    Source: Auto Body Parts Store

    $32.36

    Click here to view more details1998 Buick Regal Brake Light Switch, Blade type; 2-prong and 4-prong male terminals; A high quality, direct fit OE replacement brake light switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $9.21

    Click here to view more details2011 Buick Regal 18" x 8" Alloy Wheel, Alloy Wheel; 18 X 8; 42MM Offset; 5 Double Spokes; 5 Lug; 120MM BP; All Painted Silver Metallic, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $141.50

    Click here to view more details1995 Buick Regal Gran Sport V6, 3.1 L, 189 CID Rebuilt Engine, FWD, cam sensor, trigger fire ignition, roller lifters., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,655.00

    Click here to view more details2014 Buick Regal Used Parking Lamp, Driver Side, L, Fog-Driving; L., Good.

    Source: Used Auto Parts Store

    $70.00

    Click here to view more details1988 Buick Regal Used Rear Lower Control Arm, Driver Side, 3.5, AUTO, FWD L, floor to knuckle (trailing arm), soft ride suspension system (opt FE1), Very Good.

    Source: Used Auto Parts Store

    $75.00
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