Question about 2003 Ford Explorer
Check the plastic trim that's below the back window. If it's cracked, it will cause the door ajar warning. The Mercury Mountaineer is REAL bad about this
Posted on Jun 21, 2015
The switch that turns the interior lights on when you open the door also controls the door ajar sound and light on dash board now that switch
Is either in the door hing or it's a pin switch that sticks out of the pillar post that switch is going bad you have to locate it and replace it hope this helped
Posted on Apr 19, 2015
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Posted on Jan 02, 2017
I had this problem on my 2003 explorer and took WD40 and gave the lock mechanism a good dose where it meets the clasp on the door jam. Then open and close the doors a couple of times to get them working. They get gummed up and sometimes have a tendency to stick.
Posted on Feb 18, 2009
Have you checked the contacts to make sure they have good contact with the bulb base? I have a 1995 Ford Contour. The turn signal went out. I replaced the bulb and it would work when it wanted to. I checked the contacts and sure enough they weren't making good contact with the bulb. I took a screwdiver and slightly bent the contacts a little. It has worked good ever since.
Posted on Apr 08, 2009
this problem is caused by the door ajar switches inside the door that are attached to the door latch sticking, there are 1 for each door and 2 in the tailgate, the only simple way to fix this is to have ford do a scan of the system an ID which of the switches is sticking, otherwise you must de-trim/remove door panel on every door and the tailgate until u ID the defective one, and it could be more than one.
Posted on Apr 09, 2009
I had the same problem on my '02 explorer - I sprayed WD40 in all the door latches and the light has stayed off for three months now! Just something simple to try before you get around to replacing switches...
Posted on Mar 23, 2010
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