MODIFIEDLIFE

2008 Ford Expedition Automotive Alarm Wire Chart

2008 Ford Expedition Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 2008 Ford Expedition alarm wiring diagram. This will help you install your car alarm wiring correctly.

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

2008 Ford Expedition Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 2008 Ford Expedition alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.

Application Wire Color and Location
Brake Light Wire (+) Yellow/Gray
Brake Light Wire Location At Switch Above the Brake Pedal
Dome Light Supervision Wire Gray/Purple
Dome Light Supervision Wire Location In Driver Kick Panel
Door Trigger Wire (+) The drivers door trigger is a green/purple wire (-) at pin 14. The passenger door trigger is a white wire (-) at pin 2. The drivers side rear door trigger is a green wire that turn to a yellow wire (-) in pin 3. The passenger side rear door trigger is a green wire (-) in pin 15. When connecting to an alarm system use all 4 wires and diode isolate each wire.
Door Trigger Wire Location At SJB (Smart Junction Box) located in the passenger kick panel.
Hood Pin Switch Wire (-) N/A
Hood Pin Switch Wire Location N/A
Horn Wire (-) Yellow/Red
Horn Wire Location At the horn switch.
Key Sense Wire (+) N/A
Key Sense Wire Location N/A
Parking Light Wire (+) Purple/White
Parking Light Wire Location At SJB (Smart Junction Box) located in the passenger kick panel.
Power Door Lock Wire (-) White/Brown
Power Door Lock Wire Location At SJB (Smart Junction Box) located in the passenger kick panel.
Power Door Unlock Wire (-) Blue/Brown
Power Door Unlock Wire Location At SJB (Smart Junction Box) located in the passenger kick panel.
Tachometer Wire (-) Any Wire NOT Green/Purple or Purple/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
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 2008 Ford Expedition 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 2008 Ford Expedition 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 2008 Ford Expedition.

Modified Life is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn how it works.

Leave a Comment

Your email address will not be published. Required fields are marked *