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Old Jan 2, 2005 | 12:53 PM
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medprof
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Unhappy medprof

Happy New Year!!

Am new to this site. Own a '98 F150 ext cab. Had a taillight burn out today and since replacing it, my dome light and exterior back-up light have stayed on continuously. Anyone have any ideas? I checked all the doors, tailgate, lighting control switches and *****. Should I just pull the fuse on these two lights until I can get it into the shop?

Any help would be greatly appreciated....
 
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Old Jan 2, 2005 | 12:59 PM
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68torino
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Since you said you have checked all the switches that leaves out my thought of the headlight **** for the dome light or switch on the dome light itself. Could be a stuck door switch. Backup light is off the switch for reverse so this may be stuck or misadjusted.
 

Last edited by 68torino; Jan 2, 2005 at 01:01 PM.
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Old Jan 2, 2005 | 01:04 PM
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medprof

68torino:

Yes, I checked the interior dome control and have checked all three doors. My "Door Ajar" warning light has also been on even after rechecking all the doors and slamming them real good. Would installing the wrong flasher bulb in the rear tailgate area cause this? I took out a 3457K bulb, but AutoZone gave me (and I looked it up) a 3157LL. Any ideas?
 
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Old Jan 2, 2005 | 01:05 PM
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Welcome to the only family Ford Truck site, on the net. As you can see the members in these forums are very knowledgeable about trucks; they will eagerly help you…with your question. If you have a minute check out the Guidelines, it will help you to navigate through FTE.
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Old Jan 2, 2005 | 02:28 PM
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Originally Posted by medprof
68torino:

My "Door Ajar" warning light has also been on even after rechecking all the doors and slamming them real good.
Any ideas?
I had this problem when I got my 98F150, the solution was so spray WD-40 into the locking mechanism to free up some junk on the contacts. Has worked fine ever since (9 months and counting)
 
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Old Jan 2, 2005 | 03:02 PM
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I agree, the dome light switch is actally in the door latch. Spray it down good with WD-40 and open and close the doors a few times. It should fix it.
 
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Old Jan 2, 2005 | 03:11 PM
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A 3457 and 3157 should be interchangeable. I believe the 3457 is a bit brighter, otherwise the same.
 
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