![]() I don't see those wires coming into the junction box. Otherwise check the seam where the caps meets the roof. Water can be from condensation or spray working up around the king pin when traveling. Disconnect at the junction box and tie a wire or rope to the end and pull forward to the bad switch, then reverse and tie new wiring to wire of cord and pull back. Wires run back to the junction box at back of king pin. How would water get in there? I have the bottom sealed well enough that it can't get out. It may be a good thing I'm doing this, as I was poking around with a putty knife to detach the vinyl, water came out near the right corner. It looks like I need to remove the outer trim, then remove the screws holding the vinyl, so I can pull back the vinyl to follow the breakaway switch wire. (Picture 2) Below it I can see a screw that holds the vinyl in place. (picture 1) How do I remove the trim to pull back the exterior vinyl (or whatever it is)? There is a outer trim piece, I'm not sure how it is held on. If the trailer did not pass the test, the entire system needs to be diagnosed and the trailer should not be towed until the brakes are adjusted or repaired.īreakaway system parts or even complete systems with a battery are available on Amazon and are fairly inexpensive.My breakaway switch isn't working, so I am in the process of replacing it. Typical electric brake set-up: this is the brake on one of our trailer’s wheels. If the breakaway test passes, then re-insert the pin into the breakaway switch, and plug the trailer wiring harness back into the tow vehicle’s socket.The trailer should not roll forward freely.If the trailer does easily roll forward, something is wrong with the brake system, and not necessarily the breakaway switch itself. This motion or action pulls the shoe even more tightly against the drum, increasing the braking force. ![]()
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