Question about 2003 Lincoln Aviator

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Door ajar alarm sounds non stop, causes alarm to go off, lights blink and horn sounds

There is a problem with the passenger side door latch that causes the door ajar alarm to sound. It goes off constantly which is very annoying on an 8hr road trip. It also causes the car alarm to go off at random times while parked. Is there a way to shut off the alarm system all together until we get a permanent fix? We have pulled the fuse to the horn but don't know how to get the rest to stop. Please help!!

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  • 94 Answers

Replace the door ajar switch.

Posted on Dec 26, 2013

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Posted on Jan 02, 2017

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SOURCE: My trucks computer tells me there's a door ajar

my navigartor was telling me the samething... your back glass door might be open or just unlock.. that solved my problem.

Posted on Feb 26, 2009

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SOURCE: Replacing the door ajar switch on my 1998 Lincoln Mark VIII

If you are getting the door ajar message you don't have to rplace the switch. Just spray it out good in the latch area with WD40. This will clean the switch contacts and make the message go away. I was a former Lincoln/Mercury mechanic and I used to see this problem on a daily basis. This was the Ford fix for this problem and the one I used on my own 98 mark VIII.

Posted on Mar 09, 2009

  • 1 Answer

SOURCE: door ajar light won't go off

I had the same problem. Spray WD-40 (with the sprayer extender) into the latch of the doors very liberally. Open and close doors a few times. Should resolve issue.

Posted on Jun 01, 2009

  • 45 Answers

SOURCE: door ajar and interior lights dont go on when door is open

THE SWITCH MIGHT BE STUCK! OPEN YOUR DOOR, LOOK FOR A BLACK ROUND SHAPE BUTTON AND GRASP THE ROUND EDGES WITH YOUR FINGER AND PULL OUT AND SEE IF YOUR DOOR AJAR LIGHT COMES ON, ALSO CHECK THE FUSES AND LAST CHECK YOUR INTERIOR LIGHT BULB. GOOD LUCK!

Posted on Jun 10, 2009

  • 436 Answers

SOURCE: On my 01 Lincoln LS I'm getting a passenger door ajar warning

yes ford has alot of problems with this. the switch for that door is in the latch and you might be able to use a penetrating oil and spray the latch and work it loose or just change the latch for that door.

Posted on Aug 24, 2009

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