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Old 06-19-2016, 02:14 PM   #1
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2014 Windsport 34F Electrical issue

First off, we have had constant issues with the electrical system. Just replaced the radio head unit not too long ago and both cabin batteries. Engine battery test good. When I start the RV, I can start the generator and outside lights work fine with engine running. When shutting engine off, the lights start to dim and the lights and generator shut off. Runs fine with engine running. Made sure switch wasn't in store mode and starts back up fine so I know it's not a battery issue. Any advice?


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Old 06-19-2016, 06:36 PM   #2
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Hi Dk,
Welcome. It sounds like you have dead or miswired house batteries. Check voltage of the batteries without anything running and not plugged in to shore power. You should have at least 12.4 volts. You say your batteries were replaced "not too long ago" . Please define that. 1 week, 1 month. How long? How have the batteries been maintained? Has the coach been plugged in to shore power? Answer these questions and the folks here will surely help you out.

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Old 06-19-2016, 09:18 PM   #3
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Batteries are only a few weeks old. They are AGM maintenance free batteries. The RV is kept plugged in to 50 amp while at my house. I labeled all the wires when batteries were removed and put them back like they were. Haven't checked with volt meter, but gauge inside says they are full. Hope that helps
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Old 06-19-2016, 09:21 PM   #4
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Location: Nine Mile Falls WA / Arizona City AZ
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I agree with ChasA.... but would like to stress that the ground from the lights and the gen set is great... but would bet that the ground between the coach batteries and lights have an issue....

Do you have a switch that links the coach batteries to the start batteries... does turning on this switch on... correct the problem... if the problem still exists I'm moving more towards a ground issue.. as this switch links the (+) side of the batteries... expecting the ground to be in place and good...
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