Onan 5500 dedicated starter battery setup ...
Long story short my electric fridge, heater, etc. still drains my bank of 6V overnight to point not enough juice to turn generator over in mornings and not much I can really do about this (out of batt...
Forum Discussion
You could keep a dedicated 12V starting battery charged via the 7-pin to the vehicle and the 6V house batteries isolated to solar charging. If you needed extra power on either circuit, you could add a bridge switch that would temporarily combine all the batteries.
