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cummins2014
Utah
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Joined: 02/20/2008
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MFL wrote:joelc said: "checked the plug for the truck and I have voltage for the lights, but not for blinkers, directional or stop lights"
So you are saying the truck receptacle for 7-pin is not powering these lights?
Does the truck itself have operating brake/turn signals? If so, it would likely be a bad connection in the harness to the 7-pin connector.
If truck stop lights not working, most likely a fuse under hood or dash. Your owners manual should give the exact fuse location.
Jerry
Jerry , I don't think the trailer ,and truck wiring are related ,they are all separate . I think one could be working without the other , in other words the trailer lights could be out because of fuse ,connection ,bad wire etc ,and the truck would be working .
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joelc
Cedar Point, NC
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Joined: 02/23/2004
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Found the problem. Hope this might help someone else out. All the suggestions above were good and I followed through with all of them as well as others. After all, I kept thinking what is the common denominator to both lights and I kept thinking "ground". Keep in mind one bulb was NEW and the other old, but as I recall last time we went camping the directionals did not work. Well, I took out each bulb and checked with my VOM the continuity between each contact point and the side of the bulb (ground). Only one contact point in BOTH bulbs had continuity. I installed 2 NEW bulbs that I had purchased today and checked them. Behold, continuity with ground on both contact points. Plugged in the truck to the RV and tested. Surprise EVERYTHING worked. What are the odds of having to new bulbs that are bad?
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mhardin
Texas!
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Joined: 10/06/2003
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Bulbs and fuses are the first things to check because they are the most likely to be the problem. Also, they are the easiest thing to check before jumping through hoops chasing wires.
2013 Ford F-350, 4x4, Crew Cab, Long Box.
2001 Jayco Eagle 266 FBS.
2014 Heartland Elkridge 37 Ultimate.
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