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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 Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram

Components on diagram:
  • A/C Compressor Clutch Coil
  • Knock Sensor
  • Crankshaft Position Sensor
  • Engine Oil Pressure Indicator Switch
  • 2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Windshield Washer Fluid Level Switch
  • Horn Assembly
  • Secondary Air Injection (AIR) Pump
  • Windshield Washer Fluid Pump
  • Park/Turn Signal Lamp- LF
  • 2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Windshield Washer Fluid Level Switch
  • Windshield Wiper Motor
  • Driver Information Center
  • Multifunction Turn Signal Lever
  • Windshield Washer Fluid Pump
  • 2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Vehicle Interface Unit
  • 2003 Buick Century  3.1 V6 GAS Wiring Diagram2003 Buick Century 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Outside Rearview Mirror Switch
  • Outside Rearview Mirror- Driver
  • Outside Rearview Mirror- Passenger
  • 2003 Buick Century Limited 3.1 V6 GAS Wiring Diagram2003 Buick Century Limited 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  3.1 V6 GAS Wiring Diagram2003 Buick Century 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Rear Compartment Lid Release Relay
  • Body Control Module
  • Driver Information Center
  • Remote Control Door Lock Receiver
  • Rear Compartment Lid Release Switch
  • 2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Electronic Brake Control Module
  • Magnasteer Actuator
  • 2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram2003 Buick Century Custom 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Cool Fan Relay
  • Cooling Fan- Right
  • Cooling Fan- Left
  • 2003 Buick Century  3.1 V6 GAS Wiring Diagram2003 Buick Century 3.1 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Inflatable Restraint Steering Wheel Module Coil
  • Steering Wheel Controls- Left
  • Steering Wheel Controls Switch- Right
  • 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 2005 Buick Century Antenna2005 Buick Century Antenna, 4-section mast; 1200 mm cable; With top and side key; A high quality universal fender mount antenna; May require modification or other adjustment to your vehicle upon installation; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $5.62

    Click here to view more details1996 Buick Century Brake Drum, Rear, 5 x 4.5 in. bolt hole pattern; 10.87 in. outer diameter; 8.91 in. maximum diameter; 0.56 in. bolt size; 2.76 in. height; A high quality, OE replacement brake drum; With 2 years limited TrustBuilt warranty..

    Source: Auto Body Parts Store

    $31.99

    Click here to view more details about 1990 Buick Century Marker Lamp Assembly Front Passenger Side1990 Buick Century Marker Lamp Assembly Front Passenger Side, Signal/Side Marker Light Assembly; Passenger Side, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $43.45

    Click here to view more details1988 Buick Century Custom V6, 3.8 L, 231 CID Rebuilt Engine, FWD, roller cam, No distributor, oil pump driven by splines. 7/16" Dia. dipstick tube, GM dipstick P/N 25531505, tube P/N 25531507. With oil pump kit only., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,445.00

    Click here to view more details1997 Buick Century Used Bumper Cover, Front, BARE CVR ONLY, 12369156, Very Good.

    Source: Used Auto Parts Store

    $216.00

    Click here to view more details1979 Buick Century Used Exhaust Manifold, 1390078 NEW, AFTERMARKET.

    Source: Used Auto Parts Store

    $96.00
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