Mine was stuck open, sounds like a similar issue. problem was the limit switch. I just eliminated the switch in the circuit.. The switch is on the actuator under the cover. If you do the same fix you just need to be careful not to keep the open/close...
Good explanation of GFI functionhttps://www.westmarine.com/WestAdvisor/ELCI%20-GFCI-Electrical-Shock-ProtectionAnother explanation could be surface salt/dampness on Ac circuit wires close to connectors or exposed junction boxes. I had a personal slig...
The main 30 amp breakers that were on my 1993 Silverton 41 were identified as having an auxiliary coil. Once I replaced these with regular breakers the problem went away. Open your panel and look at the back of the breaker. If you you have 3 connecti...
Check the main circuit breakers on your boat if they are the type that trip at low voltage condition preventing damage to ac compressors etc. These have a third connection that provides a slight leakage path to ground that the shore gfi does not like...