House batteries should always charge when driving, just as does the coach battery.I’m sorry I meant house battery. It needs to be on when I’m driving to run fridge, microwave, toilet, ac etc correct??
Yes, it should be on except when you're storing your coach. A surprising number of things (including water heater and fridge) need 12 VDC for the control boards and, of course, lighting is mostly 12 VDC also.I’m sorry I meant house battery. It needs to be on when I’m driving to run fridge, microwave, toilet, ac etc correct??
If you are using the RV in any way, that battery must be connected. It is only there to save the battery when the RV is stored and not being used at all.Do I leave it on when I’m plugged in to shore power too?
As well as leaving the battery isolator in the on position, if you wish you can also leave the generator running and the air conditioner on while you leave the RV for a short time, much as you would in a stick house so that it is comfortable when you return. It will use gasoline, but it probably will burn somewhere between 1/2 and 1 gallon of fuel per hour of run time. When staying in a location with no hookups, I have run the generator without stop for as long as 4 days.My dash ac doesn’t work so we used generator to run roof ac when we are driving.