Recent content by clovisb31

I posted the same question on another forum and got different opinions. One suggested , like you, tuner software may possibly modify the voltage. Others say that a slightly less charging voltage will not affect the AGM battery and it should work fine with the stock alternator voltage of 13.9...

Hello, I'm thinking about replacing the OE flooded lead acid battery with an equivalent size AGM type battery. The Tacoma charging system provides 13.9 Volts to the stock OE battery. An AGM battery typically needs 14.4-14.6 volts to properly charge. Is the alternator/charging system voltage...