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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It's likely a connection then if the battery is in fact good, especially if it was still charged when lights didn't work. On my trailer the battery cables go inside to a PDC, a power distribution center--the place where all fuses are.
I would connect battery, check for poWeR there at PDC. Check for ground at PDC. If ok, and try loosening and retightening those two power and ground cable bolts, next go to converter connections. Same thing, loosen then retighten check VoLTs at each point along the way.
Even better to do all this with lights on drawing a load you may see them flicker as your working and know problem is in that area. Things get bumped around, maybe something loosened up.
I would connect battery, check for poWeR there at PDC. Check for ground at PDC. If ok, and try loosening and retightening those two power and ground cable bolts, next go to converter connections. Same thing, loosen then retighten check VoLTs at each point along the way.
Even better to do all this with lights on drawing a load you may see them flicker as your working and know problem is in that area. Things get bumped around, maybe something loosened up.
