So, here's how I tested the system, and found the problem... the monitor showed 13.1 at the coach , and 12.6 at the chassis,,,.. not good, as the coach was plugged in to shore power, batterys should be at full in that type power stage...knowning that the battery's where at about 50-60% charged, I would not get much used dry camping...I read here that the thor batterys are junk, and don't last..but also, ran them for 3 yrs with no problem
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