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Old 05-28-2012, 03:41 PM   #1
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Are these relays?

What exactly do these do?
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Old 05-28-2012, 03:43 PM   #2
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Quote:
Originally Posted by Wingbl
What exactly do these do?
The bottom one started clicking and not allowing the power to pass through it...
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Old 05-28-2012, 03:43 PM   #3
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They look more like DC circuit breakers to me..
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Old 05-28-2012, 03:44 PM   #4
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Hi,
They look like circuit breaker type fuses which usually reset themselves and take the place of a standard fuse.

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Old 05-28-2012, 03:44 PM   #5
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Those are circuit breakers
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Old 05-28-2012, 03:49 PM   #6
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Quote:
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Hi,
They look like circuit breaker type fuses which usually reset themselves and take the place of a standard fuse.

I noticed that the front jacks would not work, then I heard this think clicking. I bypassed it by moving the main supply to the lower post and I got power to the front jacks again. However while operating the jacks while the trailer brakes were still hooked up to my truck, my 7pin cords started to get really hot and melting. Is it not safe to bypass this circuit breaker, or was is pulling power from my truck batteries for some reason. Kinda confused at this point...
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Old 05-29-2012, 10:02 PM   #7
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The clicking is the cb being overloaded. Find out why the overload.
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Old 05-29-2012, 11:03 PM   #8
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They look just like the ones I had on our Challenger 5er by Keystone. They kept blowing and I'd have to wait (while they reset) to either run the slides in/out or raise/lower the landing legs. I replaced them with heavy duty ones. Replaced the legs and ran independent wires to the legs with seperate fuses. Solved the problem.
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Old 05-30-2012, 01:12 PM   #9
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Quote:
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Those are circuit breakers
Agree, the auto reset kind.
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Old 05-30-2012, 01:17 PM   #10
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Quote:
Originally Posted by Wingbl View Post
I noticed that the front jacks would not work, then I heard this think clicking. I bypassed it by moving the main supply to the lower post and I got power to the front jacks again. However while operating the jacks while the trailer brakes were still hooked up to my truck, my 7pin cords started to get really hot and melting. Is it not safe to bypass this circuit breaker, or was is pulling power from my truck batteries for some reason. Kinda confused at this point...
The breaker was doing its job and protecting your wiring from an overload. You bypassed that protection, and found out what wire it was protecting. You need to find the reason for the overload and fix it.
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