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Lights on without the switch

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Old Sep 14, 2005 | 10:24 AM
  #1  
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MikeGrz
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Lights on without the switch

My 2001 EB Expedition from time to time has a dead battery. A couple of times the headlamps were on without the switch being turned on. I replaced the headlamp switch. Last night the truck was outside and after a heavy rain (don't know if that's part of the problem) I saw that the park & tail lamps were on.

Before I had a chance to go out to the truck, they went out. Any ideas?

Thanks
 
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Old Sep 14, 2005 | 10:42 AM
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ExpyBob
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From: Tannersville PA USA
Leaky windshield?

Wet GEM module?
 
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Old Sep 14, 2005 | 03:37 PM
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Checked it

Thanks for the suggestion. We got just over an inch of rain and there wasn't a drop of water anywhere inside (up under dash, carpet, under carpet, etc.) According to my tech manual the GEM doesn't control lamps, can that be correct?
 
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Old Sep 30, 2005 | 02:00 PM
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I just sent my truck in for Windshield Leaking and Fuse Panel was corroded. I guess this is a problem with the sela around the windshield.

http://www.theautochannel.com/news/2...22/132944.html and it says:
NHTSA Action Number : PE05033 NHTSA Recall Campaign Number : N/A
Make : FORD Model: EXPEDITION
Manufacturer : FORD MOTOR COMPANY Year : 2001
Component : ELECTRICAL SYSTEM
Date Investigation Opened : June 15, 2005
Date Investigation Closed : Open
Summary: COMPLAINANTS ALLEGE THAT WHEN IT RAINS OR SNOWS, WATER LEAKS INTO THE VEHICLE AROUND THE WINDSHIELD. THE WATER SEEPS INTO THE FUSE BOX AND FORD'S GEM (GENERIC ELECTRONIC MODULE) CAUSING THE WIPERS AND OTHER ELECTRICAL COMPONENTS TO MALFUNCTION. THE GEM CONTROLS MULTIPLE FUNCTIONS, INCLUDING, AMONG OTHER THINGS, WIPERS AND LIGHTING.


this should be warrantied I think so I called to complain...oh well we will see what happens...Nick
 
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Old Oct 1, 2005 | 08:54 AM
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I also learned

From searching the tech bulletins that the early 01's had a keyless entry pad that leaked water and shorted out. I replaced mine and have watched through three rain storms without having the lights go on without the switch. I have my fingers crossed and am hopeful tahtwas the problem
 
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Old Nov 16, 2005 | 09:27 AM
  #6  
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more lights on

I thought the problem was fixed until last night, first time in the garage since spring, moderate rain, this morning the park/tail lights were on, battery almost dead, the only thing I did different was park in the garage and left the vehicle unlocked. I tried the keyless entry and it didnot effect anything. I locked the truck with the key fob and the lights went out

anyone have any ideas?
 
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