Alright my motorhome won't start off the engine battery but starts when I switch it over to the house batteries. I have had the battery tested and it is good, so am I looking at a bad altenator?
It is a 2003 Fleetwood Tioga 29V, I had the battery tested at Auto Zone and they told me it was pwefectly good. I brought it home and fully charged it and once I replaced it in the motorhome there was still no power. It does charge the battery when...
