Sounds like you have a bad contention between your batteries and the rig or your converter is not charging the batt's when on shore power check your 12 volt contentions between the batteries and up to the fuss panel seen this problem before and it was a bad
contention going to the converter!
Bob & Carol
Tacoma WA
2017 352RL 2008 Dodge 3500 crew cab 4x4 6.7L
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