[Yachts]

Unplug remove the cover from transfer switch you will see 2 blue plungers. One is shore power the other is generator.. Turn generator on note which plunger engages.. Turn generator off. Plug coach in push other plunger down with something. Preferably non conducting. See if plunger stays . If plunger does not stay down. Wedge it with something examine amp draw.. May let you know if the plunger is fully engaging..