Wiring Trouble & Break Away Battery ? - The Horse Forum

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post #1 of 15 Old 02-26-2013, 03:58 PM Thread Starter
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Wiring Trouble & Break Away Battery ?

Hi everyone,

I just bought a 2003 CM 2 horse slant trailer. It was advertised as super nice needs nothing but of course that's not accurate. Long story, but here's my trouble. I replaced the tires so we're good...it has good floor. The wiring though has had some trouble. My husband has been working on it & has replaced the adapter plug and now has all the lights working except the running lights. He's going to do a little more trouble shooting after some of the snow melts but its been very wacky such as things working one minute and not another...again long story. In short...I'm in search of a wiring diagram as he said the remainder of the wiring isn't visible for him to inspect and the previous owners had done quite a hack job so not sure what's going on. The tack room has a diagram for the pin but that's it. Anyone know where I can find one?

Also...one of the features I liked is the breakaway battery but I have no idea how to use it. My husband is also concerned that this breakaway battery could be affecting the wiring.

Any insight is much appreciated!!!
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post #2 of 15 Old 02-26-2013, 06:23 PM
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The break away battery is seperate of the brakes. Usually intermittent issues tend to be ground wiring.
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post #3 of 15 Old 02-26-2013, 06:40 PM
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The break away brakes are your emergency brakes if your trailer becomes unhooked from the the tow vehicle. The pin pops out and the brakes engage. You have separate battery on the trailer that controls this. Trailer wiring is a nightmare, so my hubby tells me, he takes any wiring problems to the RV place, he says it's not worth the headache.
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post #4 of 15 Old 02-26-2013, 07:01 PM
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Wiring problems are usually do to poor ground connections. I think trailers should have wiring similar to house wire, not that dinky little stuff that corrodes and cracks and lets us down. I applied some wiring goo to the end of the wires in the lamps. It keeps moisture off the connections.
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post #5 of 15 Old 02-27-2013, 11:15 AM
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definitely a ground issue. Here's the problem, usually wiring is run through the frame and if it's rubbed a hole in the insulation good luck finding the problem area. It's often less painful just to run all new wiring to your lights.
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post #6 of 15 Old 02-27-2013, 05:57 PM Thread Starter
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Thanks so much everyone...I will have my hubby double check the ground.

Regarding the break away & battery...is there a way to tell if its working properly? Also, there's a clip that I'm not sure where it should properly attach to...does yours have this as well & if so where should it go? Thanks again!
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post #7 of 15 Old 02-27-2013, 06:12 PM
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Quote:
Originally Posted by Phura View Post
Thanks so much everyone...I will have my hubby double check the ground.

Regarding the break away & battery...is there a way to tell if its working properly? Also, there's a clip that I'm not sure where it should properly attach to...does yours have this as well & if so where should it go? Thanks again!
You clip the break away cable to your tow vehicle, that way the brakes only get applied if your trailer detaches from your tow rig. You can test if it's working by attaching to the trailer, pulling the pin then trying to move the trailer.
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post #8 of 15 Old 02-28-2013, 10:58 AM
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also check truck fuses, you might have blown the trailer running light fuse while trying to fix another issue with the trailer

Also if you have a newer chevy/gm your auxilary power might need to be connected (up under the hood, guy at the local trailer place hooked mine up in 2 min, everything was there they just don't do it from factory) and that will control the tack room lights
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post #9 of 15 Old 02-28-2013, 01:07 PM Thread Starter
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Quote:
Originally Posted by tim62988 View Post
also check truck fuses, you might have blown the trailer running light fuse while trying to fix another issue with the trailer

Also if you have a newer chevy/gm your auxilary power might need to be connected (up under the hood, guy at the local trailer place hooked mine up in 2 min, everything was there they just don't do it from factory) and that will control the tack room lights
My hubby checked the fuse and we were hoping that was the answer after everything else. It did need a new fuse and we replaced it but unfortunately still no running lights...the ones on the side have never worked.

We actually have a 2003 For Expedition...the tack room light was working but the one in the trailer wasn't...bought a new bulb though as the other looks bad.
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post #10 of 15 Old 02-28-2013, 01:08 PM Thread Starter
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Quote:
Originally Posted by Darrin View Post
You clip the break away cable to your tow vehicle, that way the brakes only get applied if your trailer detaches from your tow rig. You can test if it's working by attaching to the trailer, pulling the pin then trying to move the trailer.
That's what I thought but I can't get the clip to fit...
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