House battery voltage under draw?
I have a new (to me motor home) and an upgrade from my old one. In my old RV, I had to check the house battery voltage manually. With the new rv, I have a switch on the wall. However, when I check t...
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Unless your measuring device has a direct pair of wires going to the battery used for measurement only and a separate set used to power it, it can't accurately measure the voltage at the battery because of the resistance in the wiring.
