salemExplorerMar 23, 2017ConverterMy trailer has sit since the first week of January. Today I plugged it in to get ready for a trip next Monday. I noticed the converter is humming. Is this normal? I've noticed it before when campi...Show More
cyntdon2010ExplorerMar 23, 2017Humming is a good thing.... its charging. but if the Humming never stop.your battery is not holding a charge. I would have battery tested.. good luck
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