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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We had a circuit breaker installed under the rig near the front. I never knew it was there until our DC died at the dealers. It was the kind that had to be manually reset! The dealer changed it to an automatic reset model.
