1991 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 1991 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 1991 Buick Regal automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 1991 Buick Regal

  • 1991 Buick Regal Limited 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L
  • 1991 Buick Regal Limited 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
  • 1991 Buick Regal Custom 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L
  • 1991 Buick Regal Custom 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T

WIRING DIAGRAMS FOR 1991 Buick Regal AUTOMOBILES

OEM drawn wiring diagrams for most 1991 Buick Regal cars and light trucks sold in the U.S.

1991 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1991 Buick Regal Limited 3.1 V6 GAS Wiring Diagram

Components on diagram:
  • Fuel Tank Unit
  • Coolant Level Switch
  • Cruise Control Module
  • Transaxle Position Switch
  • Passive Restraint Control Module
  • 1991 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1991 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Light Switch
  • Daytime Running Light Module
  • 1991 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1991 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Low Blower Relay
  • Blower Resistors
  • Blower Switch
  • Heater-A/C Control Assembly
  • Component Center
  • 1991 Buick Regal Limited 3.1 V6 GAS Wiring Diagram1991 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
  • Seat Belt Switch
  • High Level Stop Light
  • 1991 Buick Regal Custom 3.1 V6 GAS Wiring Diagram1991 Buick Regal Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • ECM
  • Service Engine Soon Indicator
  • ALDL Connector
  • Solid State Voltage Regulator
  • 1991 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1991 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Transaxle Position Switch
  • 1991 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1991 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Light Switch
  • LH Supplemental Park Light
  • RH Supplemental Park Light
  • 1991 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1991 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • ECM
  • Solid State Voltage Regulator
  • 1991 Buick Regal Limited 3.8 V6 GAS Wiring Diagram1991 Buick Regal Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Fuse Panel
  • 1991 Buick Regal Custom 3.8 V6 GAS Wiring Diagram1991 Buick Regal Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Transaxle Position Switch
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