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MattR's avatar
MattR
Explorer
Jul 28, 2018

Onan Generator Issue - 12v Voltage Drop When Starting

My 4k BGE spec H Onan generator has stopped working. It will attempt to start (crank) but refuses to start up. I thought it was a loose connection as the voltage at the +12v terminal drops from 12v ...
dougrainer's avatar
dougrainer
Nomad
Jul 28, 2018
You did not state that you replaced or repaired the Cable from the BATTERY Neg post to a good solid clean unpainted surface ground. What is the gauge wires from the Battery to ground and the pos to the Genset? Your clue to bad/inadequate battery supply ground was the melted wire. The path of resistance attempted to go thru the furnace circuit, resulting in the melted wire. Doug

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