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Hey guys, I have an issue with my door ajar light staying on while Im driving, and the interior/running board light staying on after vehicle is exited and locked. From the research Ive done, it seems to be a common problem, and it is commonly the door jam switches in the rear hatch. I removed all the interior panels on the hatch and found the switch location. The driver side switch was just missing, the pass. side was there, I took it out, and the little pin thats supposed to move up and down is seized. I tried freeing it up with some penetrating oil, but its stuck. They dont make the particular door jam switch needed for the Excursion rear hatch anymore, or else Id just buy some. I saw one video where a guy just unplugged both switches and it fixed the issue, but that didnt work for me. I also tried jumping both connectors, that didnt work either. I sprayed all the passenger door latches down with WD40, but I suppose there is a chance its one of the passenger doors, I just figured it was more than likely the hatch. Any Ideas? Thanks!
Not just the rear hatch. ANY of the 5 doors can cause this issue. I've had 3 doing it at the same time on my old 2002 X. My 2000 X did a couple of times. Now my current 2005 has cycled through a few doors over the last 2 years. it's super common lol.
-use a screwdriver to cycle latch shut and WD-40. cycle the door latch on each door until you are mind numbingly bored. flush the latch pawl periodically with WD-40, make sure you get up inside the mechanism and all the moving pieces get wet. after done, go back and lube LIGHTLY with a decent lithium grease
I fixed my daughters Escape (same issue you are having with hatch) by shorting the switch to ground using a jumper wire. Shorting it told the car that the door was always shut regardless of real position. It had failed and was triggering anti-theft system. $200 for a new switch, or disabled. I know there are wiring diagrams for these, but I'm having no luck right now finding one for you at the moment. Hopefully someone can chime in and post the diagram so we can identify the wires.