We've been in the same spot here at the RV park for a week. Today we noticed that the lights seem to be dimmer. It's a 50 amp park and we are using a 30 amp adapter. (stayed here many times over the...
Plugged into 120V AC power converter is supplying DC System and maintaining battery ........if converter output is less then 13.2V DC then it can't maintain battery AND supply DC demand. Lights dimming is classic sign of failing converter (provided it has 120V AC input)
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