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Super Duty running light issue

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Old 02-09-2015, 09:41 PM
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Super Duty running light issue

One of my outside roof lights quit. I replaced the bulb and it's still down. These are all on one fuse right? 2001 is the year. Any ideas appreciated.
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Old 02-10-2015, 08:55 AM
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All of the running lamps are in parallel off one fuse. If only one light is out, then the problem is with that lamp fixture, its ground, or its wiring back to the splice.

Check the lamp socket for corrosion, check the ground, and check continuity of the power feed back to the adjacent light. One of those circuits is open (unless you installed a defective or bad bulb or it's installed wrong).
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Old 02-10-2015, 12:35 PM
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Corrosion is usually the issue here.....
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Old 02-11-2015, 12:44 PM
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Thanks guys, i'm checking with my meter today. I did notice that the sealer they use around the cover deteriorated and water can get in there. I'll check for power before I decide to swap out the fixture.
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Old 02-16-2015, 05:03 PM
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Ok, got juice so I cleaned it up and got the ground going again. I'll have to get some type of sealant to keep the water out so it doesn't happen again, at least as long as possible.

All good!
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