No DC power to trailer, batteries good
Our trailer has power when plugged into AC but no power with the batteries. Batteries are almost new and ready 12.7 - fully charged when checked with a meter. I made sure the battery cut off switch ...
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Get out your multimeter. Check that you have power on both sides of the battery fuse, then check both sides of the cut-off switch, finally check power as it comes into the 12v distribution panel.
At some point you will find 12v on one side of something and zero on the other. Clean, tighten, or replace that item.
And yes there are sometimes a breaker that is well hidden with poor access.
At some point you will find 12v on one side of something and zero on the other. Clean, tighten, or replace that item.
And yes there are sometimes a breaker that is well hidden with poor access.
