Thanks for the responses, greatly appreciated.
Upon checking this is a diode type unit and does not and is not suppose to charge the vehicle battery from shore power. I assumed it did and even though sitting for a while it has never failed to start, luck I guess.
My 94 Toyota had the old fashioned Cole Herse isolator, looked like a Ford stater solenoid. I added a switch to connect the house side to the vehicle battery and turned it on when on shore power. Can I add a simple switch and wires
to this isolator to connect batteries when on shore power?
