Whether you’re a novice Buick Century enthusiast, an expert Buick Century mobile electronics installer or a Buick Century fan with a 2003 Buick Century, a remote start wiring diagram can save yourself a lot of time. The automotive wiring harness in a 2003 Buick Century is becoming increasing more complicated and more difficult to identify due to the installation of more advanced automotive electrical wiring. One of the most difficult jobs is figuring out where wiring for remote start, remote starter, remote vehicle starter, remote car starter, remote auto starter, remote automotive starter, remote auto starter or remote start module should be connected to on your 2003 Buick Century.

The Modified Life staff has taken every 2003 Buick Century remote start wiring diagram, 2003 Buick Century remote start wireing diagram, 2003 Buick Century remote starter wiring diagram, 2003 Buick Century remote starter diagram, 2003 Buick Century wiring for remote start, 2003 Buick Century remote start wire diagram, 2003 Buick Century remote starter wiring diagram, 2003 Buick Century remote start install diagram and cataloged them online for use by our visitors for free. Our remote start wiring schematics allow you to enjoy remote car starting for an air conditioned cabin in the summer and remote vehicle starting for a warm interior in the winter. Stop spending countless hours trying to figure out which remote start wires go to which 2003 Buick Century electrical module or automotive harness.

Feel free to use any Buick Century remote start wiring diagram that is listed on Modified Life but keep in mind that all the information here is provided “as is” without any warranty of any kind and most of the remote start wiring schematics listed on our enthusiast website are submitted by the Modified Life community. Use of the Buick Century wiring diagram is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Buick Century.

Questions

If you have any questions pertaining to the remote starter wiring in the 2003 Buick Century, please feel free to post it at the bottom of this page and either we’ll do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you’re looking for.

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Adding More Information

If you would like to help the Modified Life community by adding any missing 2003 Buick Century information or adding a new remote car starter wiring schematic to our resource, please feel free and post it at the bottom of this page.

2003 Buick Century Remote Starter Wiring Diagram

Vehicle Battery Positive Wire (+): Red
Vehicle Battery Positive Wire Location: Ignition Switch Harness

Vehicle Ignition Wire (+): Pink
Vehicle Ignition Wire Location: Ignition Switch Harness

Vehicle Second Ignition Wire (+): White or Green
Vehicle Second Ignition Wire Location: Ignition Switch Harness

Vehicle Accessory Wire (+): Orange
Vehicle Accessory Wire Location: Ignition Switch Harness

Vehicle Second Accessory Wire (+): N/A
Vehicle Second Accessory Wire Location: N/A

Automobile Engine Starter Wire (+): Yellow
Automobile Engine Starter Wire Location: Ignition Switch Harness

Automobile Second Engine Starter Wire (-): N/A
Automobile Second Engine Starter Wire Location: N/A

Factory Anti-Theft System: GM Passkey III Vehicle Immobilizer
Factory Anti-Theft System Type: Transponder Chip Inside Key is Necessary to Start Vehicle

Car Key Sense Wire (-): Light Green
Car Key Sense Wire Location: Ignition Switch Harness

Car Neutral Safety Wire (-): N/A
Car Neutral Safety Wire Location: N/A

Car Tachometer Wire (-): White or Violet/White
Car Tachometer Wire Location: At Ignition Coil

Car Speed Sense Wire: Dark Green/White
Car Speed Sense Wire Location: Pin #55 in 80 Pin Connector in Passenger Fender

Car Parking Lights Wire (-): Blue
Car Parking Lights Wire Location: At Vehicle Light Switch

Car Brake Lights Wire (+): White
Car Brake Lights Wire Location: At Switch Above Brake Switch

Car Reverse Lights Wire (+): Light Green
Car Reverse Lights Wire Location: At Switch on Transmission

Car Horn Wire (-): Black
Car Horn Wire Location: At Steering Column Harness

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