Looking for a little help before I take it to a shop. I recently bought a 2002 Damon Intruder, I have spent quite a bit of time in ut here at the house and have been on two camping trips with it. On...
If your batteries are indeed good then to me it sounds like you have a converter issue. The converter is what charges the batteries, and provides power to the 12v items in the coach. Check the battery voltage with and without being plugged into shore power. Should be about 12.6 unplugged, and at least 1 to 1.5V higher plugged in.