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tpnysted's avatar
tpnysted
Explorer
Dec 17, 2015

Furnace draws down aux battery when plugged into 110

I have my right plugged into 110. My furnace draws the battery down, motor slows down and won't ignite. All 110 accessories work. Shouldn't the furnace be running on stepped down power from the conver...
allen8106's avatar
allen8106
Explorer
Dec 23, 2015
Normally the furnace runs off of 12 volts from the battery. It's the converters job to recharge the battery. Likely the converter can't keep up with the 12 volts draw from some reason. Either the converter is defective and isn't charging the battery properly or the battery is defective and isn't accepting the charge.

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