I have experienced the problem of dead chassis batteries after being plugged in at a site for a few days, resulting in the replacement of the solenoid and installing of the echo charger.
As a precaution, when my coach is in storage (with no plug-in), I disconnected the battery bank negative lead. Although this seemed to help with the residual draw from various electronics, I noticed that the refrigerator will continue to run (with the battery ground disconnected) until it is turned off. How is this possible?
2006 GMC Envoy toad