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Old 02-21-2016, 07:57 PM   #1
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Low voltage

I have a 1993 american eagle and voltage has dropped to 6.8 volts to circuit board on a dometic frig,works good if i jump it to 12 volts,i dont know where to look why i have the drop in voltage,any help please
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Old 02-21-2016, 08:18 PM   #2
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Need a lot more info. Is your system the original 4- 6Volt deep cycle batteries? How old are they? Sounds like one shorted sulfated. Do you get 12V+ when you are connected to shore power? You may have more than one issue ( dead converter and bad batteries). I would check to see if converter is providing 13+ volts when connected to shore power. I would also take the batteries to an auto parts store and have the batteries checked.
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Old 02-21-2016, 08:32 PM   #3
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it is 4 6 volt batt i have 12 volt to everything except the frig,when i run jumper to frig ,it works fine,its like the wire to circuit board has just lost voltage somewhere, i dont know where it comes from ??
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Old 02-21-2016, 08:37 PM   #4
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I have 12 volt to everything except frigs circuit board,i can jump it to 12 volt from my batterys and it works fine,i just know where the 12volt comes from
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Old 02-21-2016, 08:58 PM   #5
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23 year old rig. I'd look at the connections to the fridge and where ever the 12V supply wire originates from. I'd bet you've got a corroded connection somewhere.
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Old 02-21-2016, 09:23 PM   #6
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i agree,just cant trace the wire where it connects to 12volt
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Old 02-21-2016, 10:11 PM   #7
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OK Much better. I would just run a new wire from converter to Fridge 12VDC connection.
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Old 02-23-2016, 11:41 AM   #8
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found my problem,i live in it full time and my starting battery had lost charge,i guess 110 doesnt keep them charged,frig working normal now.
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