I Hooked Up The House Batteries Wrong On My RV, Now What?

by Pete
(Kentuck, USA)


I connected the two 6 volt batteries wrong. Everything works when I have the generator on or the RV plugged in. The unit does not work otherwise. Where is there a fuse that might have been blown? I have a 2000 Pace Arrow Vision Motorhome.

ANSWER: Hi Pete the fuses for your 12 Volt DC electrical system for the house portion of your RV are located in the Electrical Compartment of your RV along with the circuit breakers for the 120 volt systems of your RV. In a lot of motor homes, the electrical compartment is located in one of the exterior storage compartments of your RV.

You may also need to check to si if you have an inline fuse or fusible link on the cables leading to your house batteries to see if you might have blown one of those.

For future reference you may want to look at the diagram below to see how to properly hook up two 6 volt batteries.

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Hooking up 2 six volt batteries to house battery system
Two 6 volt batteries wired in series diagram

I hope this helped.

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Happy RVing

RVing Al

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by: jim

I hooked the batteries the exact way on your diagram for my 5th wheel. I was told that when you hook up dual batteries you go positive to positive and negative to negative. I now have no power coming from my batteries to my 5th wheel. All electrical works fine.

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