Door ajar light to stay on even after all of the doors have been secured

RANDALLKIRSE1

MEMBER
1998 FORD F-150
4.6L
V8
2WD
AUTOMATIC
25,427 MILES

Replaced door ajar switch and the passenger door. When opened does not automatically turn on dome light or cargo exterior light only when passenger door is closed and I open driver side does the dome light come on and cargo light lights are on?

Sunday, January 13th, 2019 AT 6:45 AM

3 Replies

ASEMASTER6371

MECHANIC
52,797 POSTS

Good morning,

The door switch could be the issue not closing when the door is closed.

Do you have a scan tool that can access the body control module or the GEM module which is the same? You will be able to monitor the actions of all the door switches.

I attached a wiring diagram for you to view.

Roy

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Sunday, January 13th, 2019 AT 7:15 AM

RANDALLKIRSE1

MEMBER
2 POSTS

I used to but it was stolen from storage unit, so I will get a replacement. What do you suggest?

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Sunday, January 13th, 2019 AT 7:31 AM

ASEMASTER6371

MECHANIC
52,797 POSTS

Monitor the module for all the doors to see which one is not closing the circuit. It sounds like a door switch is bad. The switch is part of the door latch itself.

Roy

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Sunday, January 13th, 2019 AT 7:33 AM