Door ajar light stays on when humidity is high.

FORD F-250
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RICH5202
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I have a 1999 Ford F250 Super Duty crew cab 2 wd 7.3 L diesel. WHen we have a lot of fog the door ajar light starts malfunctioning turning the dome lights on and off. I don't know where to find the door switch in these newer model vehicles. I am from the old school and I can't find my shade tree! ;-)
I would appreciate any help.
Thanks,
Rich5202
Nov 21, 2007 at 4:30 PM
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MARK WHITACRE
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spray all the door latches with wd40..Did the same thing on my 99..
Nov 22, 2007 at 4:10 PM