Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

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 Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 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:
  • Battery
  • Rear Window Defogger Grid
  • Dash Integration Module (DIM)
  • Inflatable Restraint Sensing and Diagnostic Module (SDM)
  • Vehicle Communication Unit
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Turn Signal/Hazard Switch
  • Turn Signal/Hazard Flasher Module
  • Center High Mounted Stoplamp (CHMSL)
  • 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 Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Horn Relay
  • Horn Assembly
  • Inflatable Restraint Steering Wheel Module
  • Inflatable Restraint Steering Wheel Module Coil
  • Dash Integration Module
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • Dash Integration Module
  • Theft Deterrent Control Module
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Inside Rearview Mirror
  • Reverse Relay
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Blower Motor
  • HVAC Control Module
  • Blower Motor Control Processor
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Mode Actuator
  • Air Temperature Actuator
  • HVAC Control Module
  • Recirculation Actuator
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • Powertrain Control Module
  • Dash Integration Module
  • Theft Deterrent Control Module
  • 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 Splash Shield, Front, Driver Side1996 Buick Lesabre Splash Shield, Front, Driver Side, A high quality, OE replacement splash shield; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $22.12

    Click here to view more details1995 Buick Lesabre 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 details2004 Buick Lesabre 16" x 6.5" Alloy Wheel, Alloy Wheel; 16 X 6.5; 8 Spokes; 5 Lug; 115MM BP; Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $142.50

    Click here to view more details about 1982 Buick Skyhawk Limited L4, 1.8 L, 112 CID Rebuilt Engine1982 Buick Skyhawk Limited L4, 1.8 L, 112 CID Rebuilt Engine, OHV, fuel pump hole in block, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,227.00

    Click here to view more details2000 Buick Lesabre Used Rear View Mirror, Without ONSTAR; Without COMPASS, Very Good.

    Source: Used Auto Parts Store

    $58.00

    Click here to view more details2000 Buick Lesabre Used Bumper Cover, Front, 4DR, Gold, LeSabre LI c, 5d3, goldLimited, Average.

    Source: Used Auto Parts Store

    $240.00
    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