99 Exped. Door Closed Sensor Question
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Tuned
Joined: Oct 2007
Posts: 294
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99 Exped. Door Closed Sensor Question
My wife's 99 Expedition has been intermittently having a dead battery. What appears to be happening is the truck "thinks" the driver's door is opened when it is really closed. This causes the dome lights to stay on and drains the battery.
There doesn't appear to be a conventional "push switch" in the door. Has anybody else had this problem, and if so who was it fixed? Thank you.
Keith Wagoner
CDR USN (ret)
There doesn't appear to be a conventional "push switch" in the door. Has anybody else had this problem, and if so who was it fixed? Thank you.
Keith Wagoner
CDR USN (ret)
Elder User
Joined: Mar 2005
Posts: 878
Likes: 0
From: Cornelius, Oregon
Very common problem. Do a search will turn up a bunch of threads, but the long and short of it is the switch is integrated in the latch itself and gets gummed up.
A couple blasts of the latch with WD40, a few slams and some more WD40 usually clears it up right away. Might as well do all the latches while your at it.
A couple blasts of the latch with WD40, a few slams and some more WD40 usually clears it up right away. Might as well do all the latches while your at it.
Fleet Owner
Joined: Apr 2008
Posts: 24,316
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From: 0,0,1
How old is your battery? I ask only because the battery saver relay is supposed to automatically turn off the lights after 40 minutes. If your battery is being drain within this 40 minute window, then it could be on it's way out. If the lights are staying on longer than 40 minutes, your battery saver relay contacts could be stuck in the closed position.
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Tuned
Joined: Oct 2007
Posts: 294
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Thanks guys, I will give the WD-40 a try. The battery probably isn't in the best condition, but I am fairly certain it has enough for starting unless the dome lights stay on. 40 minutes seems like a long time before the battery saver relay activates.
Senior User
Joined: May 2003
Posts: 128
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From: Northern Alabama
WD-40 works for me also... I actually do that as preventative maintenance now.
Batteries last about 5 yrs.. mine on my 99 lasted 4 yrs.
Dashboard gauges that all max out than return to normal when starting...is a dead battery warning sign.
Batteries last about 5 yrs.. mine on my 99 lasted 4 yrs.
Dashboard gauges that all max out than return to normal when starting...is a dead battery warning sign.
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