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Old 04-16-2015, 06:02 PM   #1
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Lighting issues

Alright my Sunline friends, I hooked up to my trailer tonight to pull out tomorrow, did my light check and not a single marker light works. They worked when I put it away in the fall, is there a fuse or something in the camper that could be blown? The truck lights are all working and I have brake lights and turn signals on the camper. Any help will be welcomed.

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Old 04-16-2015, 06:35 PM   #2
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You need to check the plug that goes from truck to trailer. Plug then un plug it a few times. They get corroded sometimes. Or, go to Radio Shack and get a can of connection spray.. Works like a charm and good luck..


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Old 04-16-2015, 09:45 PM   #3
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I agree with Dave. If every clearance light and tail light is out, but brakes and turns work, it points to the main connection, which I would start in the 7 wire plug first.

There are no fuses in the camper on the DOT lights. They are direct to the truck plug.

If the 7 wire plug does not cure it, then follow the 7 wire cable into the trailer or where ever the junction box is that the the heavy black cable splices into camper wiring.

On your 96 camper, they junction box might be inside the camper with a wood lid on it buried under a couch or in the bottom of a cabinet. Check the connections in that box.

Dielectric grease on the 7 wire plug helps on the corrosion once you get it cleaned up and working.

Good luck and report back what you find.
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