Dome light stays on '99 - Taurus Car Club of America : Ford Taurus Forum
 
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post #1 of 8 (permalink) Old 02-03-2012, 07:36 AM Thread Starter
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Dome light stays on '99

Noticed because the door ajar indicator light was on. Am thinking it could only be 2 things - door switch or instrument panel dimmer with click at high end. One of those switches stuck in closed position.

Have sprayed all 4 doors generously with WD40 inside latch mechanism.

Wondering if anyone knows of a quick fix or gotcha fix before I start tearing things apart looking for the culprit. I have pulled the bulb now to keep from draining the battery so it's not a huge emergency.

Did a search and have tried the easy fixes I saw. Believe this car was wrecked before I bought it because I've found pieces of broken safety glass under the driver's seat. May not have been put back together correctly. I have also had problems with the sentinel alarm not going off with headlights on, key off and door open. Have had a few dead batteries in past because of this.
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post #2 of 8 (permalink) Old 02-03-2012, 08:03 AM
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Get an inexpensive digital volt meter for helping find you voltage drain. Makes hunting a little easier , also an inexpensive dc test light is handy too. Good for checking fuse block and back probing connections for signs of life.
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post #3 of 8 (permalink) Old 02-03-2012, 08:18 AM Thread Starter
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Thanks, I've got a couple. I'm still going to have to tear door apart and dig out the instrumental panel plastic to get at the contacts points - which I was hoping to avoid. Looking for a pixie dust solution I guess.
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post #4 of 8 (permalink) Old 02-03-2012, 08:22 AM
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Door panel is not bad, about 7 screws. Just get a good flat bar for prying loose the snap connectors on the panel when you pull off. It is not bad. Check continuity where you are having problems at with battery disconnected first. You mind find the source from that. Good luck.
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post #5 of 8 (permalink) Old 02-03-2012, 08:39 AM Thread Starter
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60s and sunny past few days.....low 40s and rain now, so I'll try it next week. Had a lot of them off messing with door locks and power window motors, etc. Still a PIA even with all the right tools and perfect climate control....

The instrument panel where switch is - is a panel inside the bigger plastic panel. Had it partially out yesterday, but wasn't too serious about it and didn't want to bust any clips or ****. Am hoping the overnight soak with WD40 performs the miracle.

Almost positive it's the driver's door switch. I'm sure the same switch is in the alert circuit that chimes when you leave the headlights on.

Funny, when I re-open door after leaving lights on, I'll get a single chime, but it never chimes on the way out the door (like it should).
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post #6 of 8 (permalink) Old 02-03-2012, 09:00 AM
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Sometimes the WD40 trick on the latch switches doesnt work, and the switch must be accessed to be directly cleaned or replaced.

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post #7 of 8 (permalink) Old 02-03-2012, 09:02 AM
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Sounds like you are taking notes, that will help. Sometimes it is just a nick against the metal in a bad spot or damage from previous problems. Driver door takes it hard compared to passenger rear. I will keep an eye out for the door switch if I see one at the JY. It might be 30F for my high today, it is 13F as I type. Hard to work on the ground on a day like this. Cheers!!
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post #8 of 8 (permalink) Old 02-04-2012, 04:52 PM Thread Starter
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Miracles do happen

Put the bulb back in this afternoon and bingo - working again. Besides the WD40 soak, I also stuck a screwdriver in the door slots and worked the mechanism up and down and back and forth a few times.

Should last another year or 2 until it misbehaves again. The lazy man's solution works every once in a while.
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