enblethen wrote:
The parallel switch make operate a relay that ties the systems together.
If it operates there should be a loud click.
He would need a helper to locate it. Have an assistant operate the switch while he listens for the relay. It could be right near the two battery disconnect relays.
Sounds like he must operate the switch to charge the coach batteries from the chassis alternator. Correct?
The parallel switch is a momentary (spring loaded) style. It is generally used to tie all the batteries together to start the engine in an emergency. The alternator is always charging all three batteries.
He uses the isolation switches by the stairs when in storage.