Forum Discussion
ksg5000
Apr 02, 2014Explorer
You 99 Coachman probably has old Magatek converter which is designed to put out constant 13.6 volts .. they tend to deplete battery water and are often called a battery eater. Since you haven't got a reading yet which would be called "normal" I would replace the converter - not expensive and lots of DIY examples on the web.
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