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2003 Ford F150 Automotive Security Wire Chart

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2003 Ford F150 Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 2003 Ford F150 alarm wiring diagram. This will help you install your car alarm wiring correctly.

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

2003 Ford F150 Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 2003 Ford F150 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 the Brake Pedal
Dome Light Supervision Wire Black/Light Blue
Dome Light Supervision Wire Location In the passenger kick panel.
Door Trigger Wire (-) Black/Yellow and Black/Pink
Door Trigger Wire Location In Each Driver Kick Panel. This vehicle has 2 door triggers. When connecting to an alarm system, us both and diode isolate. On the super crew, the rear door trigger is a black/light blue (-) low in the drivers kick panel.
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 (+) Brown
Parking Light Wire Location At Headlight Switch
Power Door Lock Wire (-) Pink/Yellow
Power Door Lock Wire Location In Driver Kick Panel
Power Door Unlock Wire (-) Pink/Light Green
Power Door Unlock Wire Location In Driver Kick Panel
Tachometer Wire (-) Any Wire that is NOT Red or Red/Light Green
Tachometer Wire Location Any Ignition Coil
Trunk Pin Switch Wire (-) N/A
Trunk Pin Switch Wire Location N/A
Trunk Release Wire (-) N/A
Trunk Release Wire Location N/A
Factory Alarm Arm Wire (-) N/A
Factory Alarm Arm Wire Location N/A
Factory Alarm Disarm Wire (-) Dark Green/Purple
Factory Alarm Disarm Wire Location In Driver Kick Panel
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 F150 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 F150 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 F150.

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