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Why Don't My RV Interior Lights Work On Battery?

by Dean
(Hamden, Connecticut)

cabin lights only work when a/c power,or generator is on ,does not work on auxiliary battery,its a new battery,what to look for? any help.

ANSWER Greetings Dean thanks for submitting your question on our Ask An RV Question Page.

Wow, this seems like the time of year for RV electrical problems. I just got done answering exactly the same question from another RVer. So in order to save typing time, I am going to refer to the answer I just gave to this question Our RV Interior Lights Only Work When We Are Plugged In Or Generator Is Running. The answer I gave should help you track down your problem.

I wish you the best of luck and Happy RVing.

RVing Al

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same problem
by: Anonymous

I read the steps that you wrote on checking the aux battery problems. Im having the very same issues with my travel trailer. Lights work when plugged into my truck but wont operate on my aux battery, (just bought the battery). any ideas??

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