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Old 03-18-2015, 05:51 PM   #11
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Alright, I'm back.
After getting left side jacked up I saw where wires are ran to right side.
with pin pulled still don't lock up. I have contact in switch. power to switch is good. Blue wire coming from switch which I assume provides 12v to brakes I have no power.


Bad switch? What do you guys think. I wish I were an electrical engineer!!!!!!!!!!!
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Old 03-18-2015, 06:02 PM   #12
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Alright, I'm back.
After getting left side jacked up I saw where wires are ran to right side.
with pin pulled still don't lock up. I have contact in switch. power to switch is good. Blue wire coming from switch which I assume provides 12v to brakes I have no power.


Bad switch? What do you guys think. I wish I were an electrical engineer!!!!!!!!!!!
You found it! Bad switch. This is why I tell folks to test their switch regularly, but only when disconnected from the TV!
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Old 03-18-2015, 06:25 PM   #13
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So if I jump the blue wire running back, to 12v they should engage, right?
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Old 03-18-2015, 06:32 PM   #14
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Why is this emergency breakaway switch not working?

Slightly on topic. I learned this one the hard way.

I was parked on pretty good incline last summer. Nothing extreme but I was a little uncomfortable with the slop. I used X chocks and blocked the tires. Then I decided for an extra security measure, to pull the pin on the break away brakes.

This is a 'no-no'. Turns out the brakes draw more juice than the charger provides. After about 2 or 3 days I noticed the fridge and lights etc... wouldn't work without the generator running. I assumed the battery was shot so I replaced it. After a few more days, it started doing the same thing. When it came time to leave, I couldn't move the slides or the landing gear. Since it was already dark, I decided to stay an extra night and mess with it in the day light.

About 2 am, it hit me that it could be the brakes so I got up and put the pin back in. When I got up in the morning, everything worked great.

Lesson learned and all it cost me was $140 for a battery and about $50 extra worth of gas because I had to run the generator 24/7.
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Old 03-18-2015, 06:33 PM   #15
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So if I jump the blue wire running back, to 12v they should engage, right?
Correct. Be sure to jump with an appropriate gauge of wire and not your tester. Magnets draw some amps!
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Old 03-18-2015, 06:35 PM   #16
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I use a small shoestring size bungee cord to attach the breakaway cable to the top of the tongue jack when I am hooking up/unhooking as a backup in case the chocks fail, I can pull it and stop the trailer.
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Old 03-18-2015, 06:37 PM   #17
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Correct. Be sure to jump with an appropriate gauge of wire and not your tester. Magnets draw some amps!
Thanks for the help!!!
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Old 03-18-2015, 06:40 PM   #18
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I use a small shoestring size bungee cord to attach the breakaway cable to the top of the tongue jack when I am hooking up/unhooking as a backup in case the chocks fail, I can pull it and stop the trailer.
That is a great idea...yet so simple I would have never thought of it!

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Old 03-19-2015, 01:08 PM   #19
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While replacing my brakes on our 5th wheel the mechanic said when you test your breakaway switch you shouldn't leave the pin out very long because they can burn out within minutes.
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Old 03-19-2015, 02:53 PM   #20
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I was parked on pretty good incline last summer. Nothing extreme but I was a little uncomfortable with the slop. I used X chocks and blocked the tires. Then I decided for an extra security measure, to pull the pin on the break away brakes.
Don't EVER do that. You will burn out the electromagnets. They are not rated or meant to be "hot" for extended periods of time.
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