Forum Discussion
TenOC
May 21, 2017Nomad
I do not understand the problem. My TV charges my TT battaries when it is connected and the switch is on that is the truck is running. I assume the 5er does the same. Check your 7 pin plug. Pin #4 should be the 12 volt charging and pin # 2 should be ground.
RV pin wiring
RV pin wiring
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