Whether your an expert installer or a novice enthusiast with a 2003 Mitsubishi Lancer, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car alarm, remote car starter, car security system or any mobile electronics is identifying the correct wires for a 2003 Mitsubishi Lancer.

The Modified Life staff has put their heads together to create an invaluable resource containing car alarm wiring diagram, remote car starter wiring diagram, car wiring diagram and car security wiring diagram. Feel free to use any car alarm wiring diagram or remote car starter wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2003 Mitsubishi Lancer.

If you can’t find your car alarm wiring diagram or remote start wire diagram on Modified Life, please feel free to post a car wiring diagram request (Car Alarm Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.

2003 Mitsubishi Lancer Car Alarm and Remote Car Starter Wiring Information

Constant 12V+ Wire: White
Constant 12V+ Wire Location: Ignition Switch Harness

Starter Wire (+): Black/Yellow
Starter Wire Location: Ignition Switch Harness

Second Starter Wire (+): N/A
Start Wire Location: N/A

Ignition Wire (+): Black/White
Ignition Wire Location: Ignition Switch Harness

Second Ignition Wire: N/A
Second Ignition Wire Location: N/A

Accessory Wire: Blue/Black
Accessory Wire Location: Ignition Switch Harness

Second Accessory Wire: N/A
Accessory Wire Location: N/A

Tachometer Wire: N/A
Tachometer Wire Location: N/A

Door Lock Wire (-): Purple
Door Lock Wire Location: Driver Kick Panel

Door Unlock Wire (-): Light Green
Door Unlock Wire Location: Driver Kick Panel

Door Trigger Wire (-): White
Door Trigger Wire Location: White plug at the bottom of the fuse box.

Dome Supervision Wire: Use Door Trigger
Dome Supervision Wire Location: N/A

Headlights Wire (-): Red/Blue
Headlights Wire Location: Headlight Switch

Parking Light Positive Wire (+): Green/White
Parking Light Positive Wire Location: White plug at the bottom of the fuse box.

Parking Light Negative Wire (-): N/A
Parking Light Negative Wire Location: N/A

Trunk/Hatch Pin Wire (-): Green/Orange
Trunk/Hatch Pin Wire Location: Trunk Light

Hood Pin Wire (-): N/A
Hood Pin Wire Location: N/A

Trunk/Hatch Release Wire (-): N/A
Trunk/Hatch Release Wire Location: N/A

Factory Alarm Arm Wire: N/A
Factory Alarm Arm Wire Location: N/A

Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Factory Alarm Disarm but No Unlock Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Horn Trigger Wire (+): Yellow
Horn Trigger Wire Location: Steering Column

Brake Wire (+): Green
Brake Wire Location: Brake Pedal Switch

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