I have a 2005 Bounder. When I am hooked up to shore power or running the generator.both the house and engine battery is charging. Well today only the house batteries are charging and not the engine ba...
The most common failure for your problem is the isolator relay in the Battery Control Center. Silver relay behind the circuit board. Fleetwood has had this system since the mid 90s. It took the rest of the RV world a long time to catch up.