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Old 09-26-2012, 01:42 PM   #1
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Question 12 volt lights keep going out

We have a 2007 Coachmen Aurora. All our twelve volt lights go out for about two minutes then come back on. It does this at random times, no set pattern. I have been told it could be the circuit breaker but have been unable to locate that. Anyone have any suggestions.

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Old 09-26-2012, 02:38 PM   #2
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If they go out and come back on on their own it is not a circuit breaker. What you have is a short in the wiring. Check your wiring from the converter to the front and I bet you find a wire rubbing

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Old 09-26-2012, 02:54 PM   #3
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I could be a Auto Resetting Circuit Breaker, these automatically reset themselves. I do not like them because of a fire potential. When it detects a short it heats up and shutsoff and then cools and turns the circuit back on whether it has been fixed or not. They are usually silver metal and plugs in just like a fuse. When the lights shut off feel all the fuses and you should find a hot to the touch breaker. Peterbuilt used these for years.
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Old 09-26-2012, 02:55 PM   #4
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Had a similar problem with 2 12volt lights over couch. Could not find the ground wire so I installed a new ground wire and that fixed the problem. Fortunately I could hide the new wires, so no big problem.
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Old 09-26-2012, 03:05 PM   #5
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Wink Not a short!

Originally Posted by trackman View Post
If they go out and come back on on their own it is not a circuit breaker. What you have is a short in the wiring. Check your wiring from the converter to the front and I bet you find a wire rubbing
A short would blow a fuse and you would not have the lights coming back on at all! It sounds like a bad ground or like someone else said an auto reset breaker.
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Old 09-26-2012, 05:22 PM   #6
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I am certainly no expert, but I am surprised at the frequency I find ground problems. I would check there first.
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Old 09-26-2012, 05:44 PM   #7
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Check the output line from your converter. About half the manuf. install a auto. reset circuit breaker on the output side of the converter. It is usually about 6 to 12 inches from the converter. It will be about 3/4 by 1 inches in size and silver or black.
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Old 09-28-2012, 10:56 AM   #8
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Check the connections at the house battery. Might be loose.

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