Well HarryH a hearty congrats to you ( and TDW) for not giving up on finding your problem. You are well on the way to knowing where battery control system devices are located (usually the worst part) on your coach and how they are supposed to operate together. That is a huge win for you to address any future problems that you may have down the road. Lets hope you have few future problems; and I hope that others reading this exchange will also learn some electrical things and to never give up.
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