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2003 Ford Crown Victoria Security Wiring Diagram

2003 Ford Crown Victoria Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 2003 Ford Crown Victoria alarm wiring diagram. This will help you install your car alarm wiring correctly.

Application Wire Color and Location
Battery Constant Power 12v+ Wire (+) Brown and Light Green
Battery Constant Power 12v+ Wire Location At Ignition Switch Harness
Ignition Wire (+) White/Yellow
Ignition Wire Location At Ignition Switch Harness
Second Ignition Wire (+) Pink/Black
Second Ignition Wire Location At Ignition Switch Harness
Accessory Wire (+) Gray/Yellow
Accessory Wire Location At Ignition Switch Harness
Second Accessory Wire (+) Black/Green
Second Accessory Wire Location At Ignition Switch Harness
Starter Wire (+) Red/Light Blue
Starter Wire Location At Ignition Switch Harness
Second Starter Wire (+) N/A
Second Starter Wire Location N/A
Ground Wire Chassis

2003 Ford Crown Victoria Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 2003 Ford Crown Victoria alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.

Application Wire Color and Location
Brake Light Wire (+) Light Green
Brake Light Wire Location At Switch Above Brake Pedal
Dome Light Supervision Wire Dark Blue
Dome Light Supervision Wire Location At LCM (Lighting Control Module) located to the right of the steering column.
Door Trigger Wire (+) Dark blue and black/orange wires. This vehicle has 2 door trigger wires when connecting to an alarm system. Use both door trigger wires and diode isolate each wire.
Door Trigger Wire Location At LCM (Lighting Control Module) located to the right of the steering column.
Hood Pin Switch Wire (-) N/A
Hood Pin Switch Wire Location N/A
Horn Wire (-) Dark Blue
Horn Wire Location At the steering column wire harness.
Key Sense Wire (+) N/A
Key Sense Wire Location N/A
Parking Light Wire (-) White/Black
Parking Light Wire Location At LCM (Lighting Control Module) located to the right of the steering column.
Power Door Lock Wire (-) Pink/Yellow
Power Door Lock Wire Location In Driver Door Harness
Power Door Unlock Wire (-) Pink/Light Green
Power Door Unlock Wire Location In Driver Door Harness
Tachometer Wire (-) Any Wire NOT White/Red
Tachometer Wire Location At Any Fuel Injector
Trunk Pin Switch Wire (-) N/A
Trunk Pin Switch Wire Location N/A
Trunk Release Wire (-) Purple/Yellow The trunk release system on this vehicle is a 5-wire circuit and will require an extra Relay)
Trunk Release Wire Location In Driver Door Harness
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 Anti-Theft System Ford Transponder Anti-Theft System
Factory Anti-Theft System Location Transponder at Ignition Switch Tumbler
Factory Immobilizer Bypass Requires Immobilizer Bypass Module

Feel free to use any 2003 Ford Crown Victoria alarm wiring diagram that is listed here but keep in mind that all information here is provided as is without any warranty of any kind. Use of this 2003 Ford Crown Victoria car alarm wire chart is at your own risk. Always verify all wires, wire colors and connection points before applying any information found here to your 2003 Ford Crown Victoria.

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