Forum Discussion
OldRadios
Nov 08, 2014Explorer
bob and donna wrote:
My question is does the on board charger that is suppose to charge the aux battery's suppose to charge the engine battery? puzzled?
Before you purchase anything measure your engine battery voltage before the AC is plugged in. Most it will be likely 12.2 to 12.6 volts or less. Then then measure the DC voltage when the AC is plugged in and the house batteries are charging. If you see 13.2 volts or higher on the engine battery when plugged in then your converter is already charging the engine battery and you most likely have an engine battery problem not a charging problem.
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