Short in that it keeps blowing fuses? Or are they working intermittently. What most people call a short really isn't. Give us a few more specifics and we'll try to help.
I had a problem with my taillights and found that the sockets were corroded, had to replace them. Lights on a camper are not like lights on a car, they are not waterpoof they do leak.
Try a piece of very fine grit sandpaper to clean the contact points, followed by a spray of electronic parts cleaner which you can probably get at Radio Shack. Do the bulb, too.
__________________ Happy Camping! ///// Richard D.
2006 4x4 Ford 250 SD / 2007 Flagstaff 827 FLS
One very patient wife and one furry child who travels with us. Forty-two years of trailering and camping, and I still have a blast.
We kept having problems with our running lights. Like someone said before, get a emory board and run it across the contact points on your 7-pin connector. I put a good cleaning on each contact point and the running lights were working just fine after the cleaning.
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