2003 Buick Lesabre 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 2003 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 2003 Buick Lesabre automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2003 Buick Lesabre

  • 2003 Buick Lesabre Custom 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
  • 2003 Buick Lesabre Limited 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K

WIRING DIAGRAMS FOR 2003 Buick Lesabre AUTOMOBILES

OEM drawn wiring diagrams for most 2003 Buick Lesabre cars and light trucks sold in the U.S.

2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

Components on diagram:
  • Throttle Position Sensor
  • Manifold Absolute Pressure Sensor
  • Mass Air Flow Sensor
  • Camshaft Sensor
  • Crankshaft Sensor
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Automatic Transaxle
  • Vehicle Speed Sensor
  • Powertrain Control Module
  • Automatic Transaxle Input Shaft Speed (A/T ISS) Sensor
  • Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Park LP Relay
  • Dash Integration Module (DIM)
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Head Up Display Switch
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Heater and A/C Control
  • Drivers Door Module
  • Ignition Key Alarm Switch
  • Instrument Panel Integration Module
  • Door Lock Actuator- Driver
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Garage Door Opener
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • Inside Rearview Mirror
  • Instrument Panel Integration Module
  • Front Passenger Door Module
  • Heated Mirror Element
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Power Sunroof Motor
  • Power Sunroof Module
  • Power Sunroof Switch
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Seat Rear Vertical Motor- Driver
  • Seat Adjuster Switch- Driver
  • Seat Horizontal Motor- Driver
  • Seat Front Vertical Motor- Driver
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Park Brake Switch
  • Brake Fluid Level Switch
  • CLICK HERE TO GET FULL ACCESS TO 2003 Buick Lesabre WIRING DIAGRAMS!

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

    Click here to view more details about 1996 Buick Lesabre Hood1996 Buick Lesabre Hood, A high quality, direct fit OE replacement hood..

    Source: Auto Body Parts Store

    $246.35

    Click here to view more details about 2005 Buick Lesabre Bumper Cover, Front2005 Buick Lesabre Bumper Cover, Front.

    Source: Auto Body Parts Store

    $309.75

    Click here to view more details2005 Buick Lesabre Passenger Side Head Light Assembly, Passenger Side Head Light Assembly; Custom Models; With Marker Light; With Fluted High Beam Surface, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $108.50

    Click here to view more details1991 Buick Century Custom V6, 3.3 L, 204 CID Rebuilt Engine, Roller cam, 1 piece rear seal, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,633.00

    Click here to view more details1995 Buick Lesabre Used Heater and A/C controls, w/levers (opt C67), Very Good.

    Source: Used Auto Parts Store

    $76.00

    Click here to view more details2001 Buick Lesabre Used Bumper Bar, Rear, 4DR, Gray, LIMITED, Very Good.

    Source: Used Auto Parts Store

    $72.00
    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 2003 Buick Lesabre 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