2003 Ford Expedition Car Alarm Wiring Diagram


Question: Where can I find a 2003 Ford Expedition alarm wiring diagram? How do I find a 2003 Ford Expedition car alarm wiring diagram?

Whether you’re an expert Ford Expedition car alarm installer, Ford Expedition fanatic, or a novice Ford Expedition enthusiast, an Ford Expedition car alarm wiring diagram is a must. One of the most time consuming tasks with installing a car alarm is identifying the correct wires. If you want to know how to disconnect car alarm in your 2003 Ford Expedition or figure our why car alarm goes off, a 2003 Ford Expedition alarm wiring diagram can save you a lot of time. Knowing what every wire does in your 2003 Ford Expedition alarm wire harness takes the guess work out of changing your car alarm or fixing your car alarm system. Our 2003 Ford Expedition alarm wiring diagram shows you all the 2003 Ford Expedition alarm wire colors and what they do. Use our 2003 Ford Expedition alarm wiring guide to install a car alarm to prevent catalytic converter theft or disable a car alarm.

2003 Ford Expedition Car Alarm Wiring Diagram

Knowing your 2003 Ford Expedition alarm wire colors makes it easy to install your car alarm. Our 2003 Ford Expedition alarm wiring guide shows you how to connect car alarm wires and helps you when your car alarm keeps going off. It also helps you when car alarm will not turn off, when car alarm goes off randomly, when car alarm does not sound and more.

Application Car Alarm Wire Color
Car Alarm Battery Constant Power 12v+ Wire (+) Light Green/Purple
Car Alarm Battery Constant Power 12v+ Wire Location At Ignition Switch Harness
Car Alarm Ignition Wire (+) Blue/Light Green
Car Alarm Ignition Wire Location At Ignition Switch Harness
Car Alarm Second Ignition Wire (+) N/A
Car Alarm Second Ignition Wire Location N/A
Car Alarm Accessory Wire (+) Black/Light Green
Car Alarm Accessory Wire Location At Ignition Switch Harness
Car Alarm Second Accessory Wire (+) N/A
Car Alarm Second Accessory Wire Location N/A
Car Alarm Starter Wire (+) Red/Light Blue
Car Alarm Starter Wire Location At Ignition Switch Harness
Car Alarm Second Starter Wire (+) N/A
Car Alarm Second Starter Wire Location N/A
Car Alarm Ground Wire Chassis

2003 Ford Expedition Alarm Sensor and Accessory Wiring Guide

Knowing your 2003 Ford Expedition alarm wire colors makes it super easy to install your car alarm. Our 2003 Ford Expedition car alarm wire guide shows you how to connect alarm sensors and alarm accessories with ease. It also shows you what car alarm sensor wire to use, which door trigger wire is positive, which power door lock wire and power door unlock wire you need. Find your 2003 Ford Expedition car alarm wire below!

Application Wire Color
Brake Light Wire (+) Light Green
Brake Light Wire Location At Switch Above the Brake Pedal
Dome Light Supervision Wire Use Door Trigger
Dome Light Supervision Wire Location N/A
Door Trigger Wire (+) Black/Light Blue
Door Trigger Wire Location In Driver Kick Panel
Hood Pin Switch Wire (-) N/A
Hood Pin Switch Wire Location N/A
Horn Wire (-) Dark Blue
Horn Wire Location At VSM (Vehicle Security Module) located high in the passenger kick panel.
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 At VSM (Vehicle Security Module) located high in the passenger kick panel.
Power Door Unlock Wire (-) Pink/Light Green
Power Door Unlock Wire Location At VSM (Vehicle Security Module) located high in the passenger kick panel.
Tachometer Wire (-) Any Wire NOT 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
Wait to Start Light Wire (-) N/A
Wait to Start Light Wire Location N/A

2003 Ford Expedition Alarm Immobilizer Wiring and Location

Knowing your 2003 Ford Expedition immobilizer wiring makes it simple to install new car alarm. Our 2003 Ford Expedition car alarm guide shows you the exact wire color and where the alarm wires are located in your car. It also tells you where your 2003 Ford Expedition immobilizer is located. Find your 2003 Ford Expedition alarm and immobilizer location below!

Application Wire Color
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

Questions and Answers

Have any questions about your 2003 Ford Expedition alarm installation? Please feel free to post it at the bottom of this page. We will do our best to find you the answer you are looking for. Or hopefully someone in the Modified Life community will respond with the car alarm information you are looking for.

Contribute

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Conclusion

Feel free to use any 2003 Ford Expedition alarm wire 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 Expedition alarm wiring guide is at your own risk. Always verify all alarm wire, car alarm wire colors and wiring information before applying it to your 2003 Ford Expedition.

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