As a habit, I always disconnect my engine battery if I am going to be setting for a while. It will ensure you don't accidently leave yourself stranded if the shore power goes out and you drain your engine battery. I would leave the house batteries connected. If they are slightly discharged, this allows them to recharge and be ready for when you store it or go dry camping.
I have two battery disconnects...main and aux...can I assume the main is the battery to start the engine?
Correct, the main battery is to start the engine
I pressed the two disconnect and when looking at them there does not seem to be a physical way to determine if they are on or off. However, when I pressed the main I did hear a tweaking sound. I guess how do I know if they are on or off.
ON my old gas powered Bounder, you did hear a sound when you disconnected. On my newer diesel Providence, there is no sound but there are indicator lights that go off when they are disconnected. It depends on how your unit is set up. I would say if you are hearing a sound when you turn off the switch , it is likely disconnected.
FWIW, we have a 2016 Southwind and there are two small rocker switches in a cabinet above the entry door that disconnect either or both batteries.
When the switch is depressed, there is a definite "clunk" sound heard.
Hope this helps.
Thanks for everyone's responses. Based on your input I figured out that when I turn off the "AUX" I could verify because the water pump would turn off and if I turned off the "Main" the light for the TV antenna would turn off.