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Old 12-05-2010, 07:49 AM   #4
Delfin
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Join Date: Jan 2010
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RE: Volt Meter reading 16 V @ 1000rpm (Out of gear)

16 volts is near equalizaton voltage and will fry the batteries if pumped into them over extended periods.* Alternators get hot, period, so that by itself doesn't mean a whole lot.* FF is correct, if the regulator is just what is built in the alternator, it isn't really designed to deal with deep cycle AGM batteries.* The best way to kill an AGM is to overheat it, so this is definitely something to fix.* Were it me, I'd spring for a 3 stage external regulator that is programmable for AGM requirements, which are pretty specific.
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