door ajar light on
Posting Guru
Joined: May 2010
Posts: 1,467
Likes: 0
From: Midland, MI
Welcome to FTE!
Spray WD-40 into the door latch assembly and slam the door several times. That works for most folks on here. It's normally the driver's door ajar switch that acts up because it gets the most use.
Spray WD-40 into the door latch assembly and slam the door several times. That works for most folks on here. It's normally the driver's door ajar switch that acts up because it gets the most use.
Senior User
Joined: Jul 2007
Posts: 274
Likes: 0
From: Freeville Ny
what year is your truck. in my 01 sd i will run into that about once a year. and its caused by the switch not getting a good connection. the fix. fluid film, wd-40, pb, what ever your preference. sprayed into the door latches and open and close the door a few times.
Posting Guru
Joined: May 2010
Posts: 1,467
Likes: 0
From: Midland, MI
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New User
Joined: Jun 2010
Posts: 14
Likes: 0
I'm having the same problem on my 1999 F250. I thought the WD-40 worked when I sprayed it (yesterday) but walked outside this morning and voila the light stayed on again. What's the next step if spraying it with WD-40 doesn't clear it up?
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