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

  • 1990 Buick Lesabre 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C
  • 1990 Buick Lesabre Custom 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C
  • 1990 Buick Lesabre Estate Wagon 5.0 V8 GAS, CID:307, Carburetor, Aspiration:307, Engine VIN:, Desg:Y
  • 1990 Buick Lesabre Limited 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:C

WIRING DIAGRAMS FOR 1990 Buick Lesabre AUTOMOBILES

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

1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

Components on diagram:
  • Fuel Tank Unit
  • Battery
  • Instrument Cluster
  • Keyless Entry Module
  • Twilight Sentinel Control
  • 1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Starter Interrupt Relay
  • Battery
  • Relay Center
  • Theft Deterrent Relay
  • Ignition Switch
  • 1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Vehicle Speed Sensor
  • Cruise Control Module
  • Electronic Control Module
  • Safety Belt Retractor Release Solenoid Timer
  • 1990 Buick Lesabre Estate Wagon 5.0 V8 GAS Wiring Diagram1990 Buick Lesabre Estate Wagon 5.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Left Door Latch Switch
  • Right Door Latch Switch
  • Timer Module
  • Left Lap Retractor
  • Right Shoulder Retractor
  • 1990 Buick Lesabre Estate Wagon 5.0 V8 GAS Wiring Diagram1990 Buick Lesabre Estate Wagon 5.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Tailgate Power Window Control Switch
  • Tailgate Key Switch
  • Tailgate Power Window Motor
  • Tailgate Blockout Switch
  • 1990 Buick Lesabre  3.8 V6 GAS Wiring Diagram1990 Buick Lesabre 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Rear Defogger Relay
  • Heater and A/C Control
  • Rear Defogger
  • Rear Defogger Control
  • Rear Defogger Capacitor
  • 1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram1990 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Right Front Door Jamb Switch
  • Right Rear Door Jamb Switch
  • Right Front Door Courtesy Light
  • Right Vanity Mirror
  • Dome/Reading Light
  • 1990 Buick Lesabre  3.8 V6 GAS Wiring Diagram1990 Buick Lesabre 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Seat Control Module
  • Head/Park Light Switch
  • Seat Control Switch
  • Twilight Sentinel
  • Light Module
  • 1990 Buick Lesabre  3.8 V6 GAS Wiring Diagram1990 Buick Lesabre 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Master Switch
  • Left Front Window Switch
  • Right Front Window Switch
  • Left Rear Window Switch
  • Right Rear Window Switch
  • 1990 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram1990 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Sunroof Control Module
  • Sunroof Actuator Assembly
  • CLICK HERE TO GET FULL ACCESS TO 1990 Buick Lesabre WIRING DIAGRAMS!

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

    Click here to view more details about 1999 Buick Lesabre Headlight, Driver Side1999 Buick Lesabre Headlight, Driver Side, Bulbs included; With corner light; Composite and combination type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $120.38

    Click here to view more details2005 Buick Lesabre Door Handle, Front, Passenger Side, Without keyhole; A high quality, OE replacement door handle; With 3 years limited CertifiedXL warranty..

    Source: Auto Body Parts Store

    $15.12

    Click here to view more details about 2002 Buick Lesabre 16" x 6.5" Alloy Wheel2002 Buick Lesabre 16" x 6.5" Alloy Wheel, Alloy Wheel; 16 X 6.5; 12 Slots; 5 Lug; 115MM BP; All Painted Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    Click here to view more details1987 Buick Regal V8, 5.0 L, 305 CID Rebuilt Engine, RWD, TBI, roller lifters, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,408.00

    Click here to view more details1992 Buick Lesabre Used Parking Lamp, Passenger Side, Parklamp/Turn Signal; (below hdlp), Very Good.

    Source: Used Auto Parts Store

    $45.00

    Click here to view more details2000 Buick Lesabre Used Bumper Bar, Rear, 4DR, BLUE, CUSTOM NO FOAM, Very Good.

    Source: Used Auto Parts Store

    $88.00
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