Shore power requires engine running?!
my '06 Sun Voyager (model 8379) won't run anything except electrical outlets from shore power unless the main engine is also running. If shore power is disconnected, lights, fans, AC etc. don't work with the engine running.
Unfortunately the generator is being obstinate (not starting) making it impossible to test that scenario.
I've tested all of the fuses, breakers and relays I can find to no avail. The two house batteries are brand new and I'm out if ideas on how to identify the source of the problem.
Any help or suggestions will be greatly appreciated!