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I configured my BMV712 to monitor my coach batteries and connected the second cable to monitor my chassis (starter) battery voltage. The connections are correct according to the installation instructions. The coach and chassis batteries always show almost the exact same voltage. When boon docking, for example, my chassis battery voltage decreases to the same level as my coach batteries. This can't be right. Help.
Did you measure the voltage with a multimeter to make sure they don't really have the same voltage?
Yes. I thought the same thing so I checked. Ran the coach battery down to about 77%. They read almost the same...less than a 10th of a volt difference. Rechecked the wiring/hookup. Also disconnected my solar...still reading the same. Puzzling.
