Connecting Battery Kills 12v System
Maybe this has been answered already, if so maybe someone can point me to the post. We're on a 3 week cross country trip with the kids in a 31' Jayco travel trailer. Had our battery system give us...
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Running lights have nothing to do with the trailer battery but there should be something the connects to the breakaway switch to power the brakes in the event of hitch separation. I think that one may not be fused. The other could power something like an electric hitch jack or slide room. Those black wires may both be positive but trace them before connecting.
