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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:
  • 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:
  • Headlamp Switch
  • HVAC Control Module
  • Dash Integration Module (DIM)
  • 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:
  • License Lamp
  • 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:
  • RR Defog Relay
  • Heater and A/C Control
  • Rear Window Defogger
  • 2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram2003 Buick Lesabre Limited 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • RR Defog Relay
  • Rear Window Defogger
  • HVAC Control Module
  • Instrument Panel Integration Module
  • 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:
  • Mode Actuator
  • Air Temperature Actuator
  • HVAC Control Module
  • Recirculation Actuator
  • 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
  • Ignition Switch
  • Powertrain 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 1999 Buick Lesabre Grille Assembly1999 Buick Lesabre Grille Assembly, With emblem provision, chrome frame, and black grille insert; A high quality, OE replacement complete grille and shell assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $118.22

    Click here to view more details about 1996 Buick Lesabre Tail Light, Passenger Side1996 Buick Lesabre Tail Light, Passenger Side.

    Source: Auto Body Parts Store

    $112.87

    Click here to view more details1990 Buick Lesabre Radiator, Radiator; 30 Core; Without LCI, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $75.45

    Click here to view more details1997 Buick Century Custom V6, 3.1 L, 189 CID Rebuilt Engine, FWD, MFI, roller lifters, cam position sensor, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,970.00

    Click here to view more details1991 Buick Lesabre Used Air Flow Meter/Sensor, 3.8, AUTO, FWD (6-231, 3.8L), Very Good.

    Source: Used Auto Parts Store

    $69.00

    Click here to view more details1996 Buick Lesabre Used Exhaust Manifold, Passenger Side Rear, Without supercharger; R. (), Very Good.

    Source: Used Auto Parts Store

    $94.00
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