brake Fuse blowing

[mrsautox]

We have a 2008 Sunseeker class C and it is at the dealer for the third time.
We installed a braksmart controller and had not connect a trailer to it and noticed the brake light were no working. Found the fuse, replaced it and as soon as you touch the brake, it would blow again. The first trip ended up at the Ford dealer. The replicated the problem and fixed it. We got it back and hooked up the trailer and no lights. They had bypassed the trailer harness and rewired the tail light. The second time we went back to the Ford Dealer and complained, they fixed that and we were able to go to Georgia and tow our trailer with a car on it without any problems.
After not using the RV for about 3 weeks, we hooked the trailer up and touched the brake and got the blown fuse. We disconnected the trailer and replaced the fuse, blow about 5 more. It’s at the Ford place now.


Anyone have any thoughts?

[Rockinwood]

I found this reply on a Ford Forum I am on, dont know if this helps


I am just throwing ideas out as I have not experienced this issue but I would check both sockets and if you have trailer wireing, check that as well. You may have got some water in the plug. Does the fuse blow when you use the signals or only the brakes? If so, it could also be your signal switch. It could also be the brake light switch. On my truck, it is mounted on the upper part of the pedal. Pull the wires off and jump them. If the fuse blows, then it is not the switch. Unfortunately, my ideas assume that you have an unlimited supply of fuses. Good luck.