After a month or so storage the engine battery is very, very dead, even if it is plugged into shore power. So there must be a drain on it. The battery is new prior to storage. Any ideas? Thanks.Will Procter
Your coach is much newer than mine and probably wired totally different, but I have to set my battery merge switch to on in order to charge the starting batteries from the inverter/charger when plugged into shore power.
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Jon & Chris Everton
1986 40' Dog House #86
0 hp 8V92 Allison HT740
Soon to be 500hp ISM with ZF 6 Speed
When you changed the chassis-battery were all the connections, grounds, checked and cleaned throughout the starting circuit (includes; solenoids, alternator, and starter)? Any poor connection or ground can reduce voltage needed for engine starting.