Wiring Trouble & Break Away Battery ? - Page 2

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Wiring Trouble & Break Away Battery ?

This is a discussion on Wiring Trouble & Break Away Battery ? within the Horse Trailers forums, part of the Barns, Boarding, and Farms category

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    03-09-2013, 04:31 PM
Wiring Trouble--Help Please!!

The trailer running lights fuse in the truck keeps blowing...all the lights work now except those which have never worked...they redid the ground and that didn't work. Since it keeps blowing the fuse they think its the wire for the running lights that is short circuiting somewhere. Any other suggestions or experience with this? He tried rerunning the wire in all the visible places but to no avail...the rest of the wiring is behind the frame so it will have to be rewired if we can't come up with anything else and will be a pain. Thoughts???
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    03-09-2013, 08:45 PM
When you say he "checked the ground," where is the ground? I have a ground at every light. I hate, just HATE messing around with grounds.

Easier in the long run just to re-wire it. If you just fix-it-up without knowing what actually caused the problem you will be right back here again 15 - 30 days from now. Or maybe 45... or whenever. When wiring is messed, a re-do is the best fix.

Tip: when rewiring, use all stainless screws and washers for your lights and grounds, leave extra wire behind the lights (about 6 - 8"), just loop it tightly and tighten with a plastic tie.
    03-09-2013, 09:36 PM
Thanks for the response! I know him & his Dad checked the ground wires more than once, I assume all of them as they have a fair amount of experience with wiring. The horse trailer part is new to my hubby though. They ended up going ahead and rewiring and he sent me a picture of it all lit up in the dark...such a beautiful sight!!! I'm not sure how many hours he's put into it but considering the sellers advertisement its way too many! I will pass the tip along to him too, thanks again!
    03-09-2013, 10:52 PM
Your hot wire is shorting out inside the frame if you are still blowing fuses after replacing the visible wires. Hate to tell you this, but you guys are in for a bit of pain rewiring the trailer.
    04-22-2013, 03:46 PM
Bought a used trailer and re-wired the whole thing including the electrical junction box. Hacked wires, different colors twisted together with no tape. When the trailer was moving you could hear the buzzing and popping inside and endless changing of fuses while we worked on this.

Emergency brakes.

Very simple to install. The small black box (located to the right) has a pull out pin attached to a wire that attaches to the car. IF the trailer unhooks from the car, the pull out pin gets yanked out and the trailer brakes lock up. To test: Pull the pin and try driving. The trailer brakes should be locked so it should not move. The box is wired to a small battery inside my manager and wired into the electrical junction box and another wire goes to the trailer brake wire. Most come with directions and easy to do. (IF your wiring is correct that is.)

The battery and junction box are to the right. I installed a padded 2X6 to protect them and secure some smaller items.
Good luck.

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