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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Buick Century 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 Century automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Buick Century

  • 2003 Buick Century Custom 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:J
  • 2003 Buick Century Limited 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:J
  • 2003 Buick Century 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:J

WIRING DIAGRAMS FOR 2003 Buick Century AUTOMOBILES

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

2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram

Components on diagram:
  • A/C Clutch Relay
  • Battery
  • Horn Relay
  • Generator
  • Fog Lamp Relay
  • 2003 Buick Century  3.1 V6 GAS Wiring Diagram2003 Buick Century 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Fuel Injector 5
  • Fuel Injector 4
  • Fuel Injector 1
  • Fuel Injector 2
  • Fuel Injector 3
  • 2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Cigar Lighter
  • Ashtray Lamp
  • 2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Horn Assembly
  • Inflatable Restraint Steering Wheel Module
  • Vehicle Interface Unit
  • 2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Door Lock Cylinder Switch- Front Passenger
  • Door Lock Cylinder Switch- Driver
  • Door Lock Switch- Driver
  • Park/Neutral Position Switch
  • 2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 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 Century  3.1 V6 GAS Wiring Diagram2003 Buick Century 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Seat Lumbar Switch- Driver
  • Seat Lumbar Vertical Adjuster Relay
  • Seat Lumbar Vertical Motor
  • Lumbar Horizontal Motor- Driver
  • Lumbar Horizontal Adjuster Relay
  • 2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Heated Seat Thermistor
  • Heated Seat Element
  • Heated Seat Switch- Driver
  • Heated Seat Element- Driver Back
  • Heated Seat Control Module- Driver
  • 2003 Buick Century  3.1 V6 GAS Wiring Diagram2003 Buick Century 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • A/C Compressor Clutch
  • Powertrain Control Module
  • A/C Refrigerant Pressure Sensor
  • HVAC Control Module
  • 2003 Buick Century  3.1 V6 GAS Wiring Diagram2003 Buick Century 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Electronic Brake Control Module
  • Magnasteer Actuator
  • CLICK HERE TO GET FULL ACCESS TO 2003 Buick Century WIRING DIAGRAMS!

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

    Click here to view more details about 2002 Buick Century Fender, Front, Passenger Side2002 Buick Century Fender, Front, Passenger Side.

    Source: Auto Body Parts Store

    $65.57

    Click here to view more details about 1997 Buick Century Alternator1997 Buick Century Alternator, Uses Only New Components, Meets Or Exceeds All OEM Specifications, Includes A Manufacturer's Two Year Warranty.

    Source: Auto Body Parts Store

    $90.66

    Click here to view more details2005 Buick Century Tail Light Lens And Housing , Passenger Side, PASSENGER SIDE TAIL LIGHT LENS AND HOUSING , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $75.45

    Click here to view more details1986 Buick Century Custom V6, 3.8 L, 231 CID Rebuilt Engine, FWD, roller cam, no distributor, oil pump driven by splines. 3/8" Dia. dipstick tube, GM dipstick P/N 25524028, tube P/N 2557337. With oil pump kit only., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,445.00

    Click here to view more details1994 Buick Century Used Harmonic Balancer, 6-191 (3.1L), Very Good.

    Source: Used Auto Parts Store

    $85.00

    Click here to view more details2000 Buick Century Used Air Flow Meter/Sensor, 3.1, AUTO, FWD, Very Good.

    Source: Used Auto Parts Store

    $85.00
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