Originally Posted by jondrew
Hmmm. 12 volt master? What is that?
On our entry panel just inside the door for lights, we have a switch that is 12 Volt Master. I assumed all coaches had something similar. It's just that, a switch that shuts down everything that would be on the 12V circuits that could be a draw on the batteries (if you loose power), as well as makes sure everything on 12V is off anyway.