It would help to know which RV you have? I cheated and looked it up;
"Dynamax 2017 REV 24TB",
but it always helps to include it in your opening post. Or to add it to your signature so it's attached to every post.
Do you have a volt meter and know how to use it? If so, check the voltage at the batteries when on shore power to see if they are being charged.
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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