Bad Bi-Directional Isolator Relay Delay (BIRD), Isolator Relay, or Chassis Disconnect Relay (see schematic on last page of attached file). I think the click you hear when you connect the charger is the contacts engaging in either the Isolator Relay or the Chassis Disconnect Relay.
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Ed & Bev Felker
Retired USAF Col and retired Nurse
Traveling with Lily & Bella ('Teddy Bear' breed)
2015 Vegas 24.1 (E-350)
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