Join Date: Sep 2007
Location: Tillsonburg, Ontario, Canada
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10 volts will never charge a 12 volt battery. You need in excess of battery voltage to charge. At 14.4 you will be charging OK. How much does the RPM drop when you are reading 10 volts. 10 volts is way below battery voltage which would indicate to me a large draw on the battery. There is a piece of the puzzle missing here. Also I'm not familiar with your engine. Larry.