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Old 05-30-2020, 12:04 PM   #1
Syndi
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2006 3400 with a 12V problem

I'm stumped. This may not be saying much, but... I am having problems with my 12 volt system on my 2006 3400. Started when I was putting my front legs down. Motor quit with the problem found to be the 30amp inline fuse. Replaced it with a 30 amp circuit breaker and thought the problem was fixed. Next morning I had problems with the CO2 detector, my frig went off, the fan with motor in top of unit would not come on and no lights that are 12 volt powered. The 50 amp breakers on the wall behind the battery, one was bad and the other good. Straight wired it until I could get another 50 amp breaker to replace and all was well again for 12+ hours, then all quit again. Have traced down as many wires as I can find without finding the problem. My son (my electrician) is 2000+ miles away and trying to diagnosis and fix with me being his eyes and hands and he deserves a lot for this. Still no answer. Is there a way to make the frig come on and operate by gas while we are finding out what this problem is?
 
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Old 05-30-2020, 02:07 PM   #2
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Syndi - would have been better to start a new discussion rather than adding on to an old one started by someone else. Maybe moderator will move it.

You do need +12 vdc to operate the fridge on gas. Have you checked your battery voltage? A lot of odd things going on but I would first confirm the battery voltage is good and that the converter is charging it properly.
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Old 05-30-2020, 03:41 PM   #3
Syndi
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Have checked the voltage and it shows a full charge with 13.8 volts thru the first and second 50 amp circuit breakers.
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Old 05-30-2020, 04:06 PM   #4
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Do you have 12 volts to your fuse panel?
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Old 05-30-2020, 04:10 PM   #5
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A new Thread and Title was created as this has little to do with the Thread where it was posted originally.
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Old 05-30-2020, 04:14 PM   #6
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Thanks, Carl.
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Old 05-30-2020, 04:16 PM   #7
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As you are comfortable jumping breakers and such, you can run a 12V line to the refer circuit board to allow it it to run in either gas or electric mode.



12V from the battery goes through the red CBs (which appear to be good) and then to the converter/fuse panel. Is there 12V there?


You didn't by chance disconnect the battery when you were diagnosing the landing leg problem?
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