security light on

2004 FORD EXCURSION
987,654 MILES • V6 • 4WD • AUTOMATIC
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PAPPYDAVE
  • MEMBER
  • 1 POST
Replaced battery, no start, security light on. how do i disable security?
Jan 1, 2018 at 10:41 PM
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CJ MEDEVAC
  • Experienced Mechanic
  • 11,004 POSTS
I got this from "repair guides" (top right of our pages).

https://www.2carpros.com/articles/how-to-reset-a-security-system

Let us know if this helps.

The Medic
Jan 2, 2018 at 7:38 AM
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STRAILER
  • Experienced Mechanic
  • 55,065 POSTS
Hello,

To reset the alarm exit the car with all doors closed and the windows rolled up. Also, close and any rear doors such as the trunk, rear hatch and front hood. Lock the car using the drivers side lock and walk away from the car at least ten feet. Wait for fifteen minutes and unlock the door, this should reset the security system.

Please let us know what happens.

Cheers, Ken
Jan 3, 2018 at 8:42 AM
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