The curious case of the funky 12 volt system
Just started having this issue with my 2007 Coachman with an Atwood converter. Had the RV plugged in all winter with the battery disconnected but on a Battery Minder, as I've always done before. The R...
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12 volt lights work, and appear to be normal brightness without the battery connected. No need to check with the multimeter, except perhaps to see if it's 12.6 volts or 14.4 volts. And, yes, converter fan comes on from time to time.
