wondering if i have a bad stator, checked rectifier, had 22 volts at idle and 50 volts at fast idle, had 11.4 volts at battery at slow and fast idle and 11.4 volts at stater selnoid, tach is working,,,could the stator be corroded and not making good contact or are the windings going? trying to nail this down before i spend 250.00 nonreturnable dollars,,,thanks for all your help