Why is my alternator charging too high?
Why is my alternator charging too high? When the wrong alternator has been installed in a stock vehicle or if the pulley has undersized dimensions (causing extra alternator rotation), the charging supply will be higher than the demand and cause an overcharged state. High performance or racing alternators should not be installed on stock passenger vehicles. What is the voltage of an alternator while charging? Someone check me on this, but the battery voltage while charging is the no load voltage (12.6 volts at room temp) plus the IR drop of the charging current over the internal resistance of the...