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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!
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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:
  • Cigar Lighter
  • CIGAR Relay
  • Rear Integration Module
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Dash Integration Module (DIM)
  • Instrument Panel Integration Module (IPM)
  • Sunload Sensor Assembly
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Radio
  • Head Up Display Switch
  • Heater And A/C Control Assembly
  • Cigar Lighter- Front
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Instrument Panel Integration Module
  • 2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Rear Fuse Block
  • Remote Function Actuator Module
  • 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 Custom 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Custom 3.8 V6 GAS Wiring Diagram

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

    Components on diagram:
  • Memory Seat Module
  • Seat Lumbar Switch- Driver
  • Seat Lumbar Horizontal Motor- Driver
  • Seat Lumbar Vertical Motor- Driver
  • Seat Lumbar Horizontal Position Sensor- Driver
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Automatic Level Control Suspension Position Sensor
  • Automatic Level Control Compressor
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Starter Solenoid
  • Battery
  • Generator
  • Stator
  • Dash Integration 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 2005 Buick Lesabre Bumper Cover, Front2005 Buick Lesabre Bumper Cover, Front.

    Source: Auto Body Parts Store

    $309.75

    Click here to view more details1997 Buick Lesabre Cylinder Head Gasket Set, First design; Includes molded rubber valve cover gaskets and premium valve stem seals; Intake manifold gasket, head bolts and exhaust pipe flange not included; A high quality, direct fit OE replacement cylinder head gasket set; Head bolt replacement required; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $193.09

    Click here to view more details about 1985 Buick Lesabre Headlight Passenger Side S/Beam1985 Buick Lesabre Headlight Passenger Side S/Beam, Head Light Capsule Assembly; Passenger Side; HI Beam; Halogen, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $18.45

    Click here to view more details about 1993 Buick Roadmaster V8, 5.7 L, 350 CID Rebuilt Engine1993 Buick Roadmaster V8, 5.7 L, 350 CID Rebuilt Engine, Roller cam, 2-bolt main, TPI, block #148,548,638, cast iron head # 810,191,193., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,476.00

    Click here to view more details2004 Buick Lesabre Used Suspension Compressor/Pump, Air Compressor Assy, 12494811, Very Good.

    Source: Used Auto Parts Store

    $169.00

    Click here to view more details1988 Buick Lesabre Used Air Flow Meter/Sensor, 3.3, AUTO, FWD (6-204, 3.3L), Very Good.

    Source: Used Auto Parts Store

    $100.00
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