Alternator Output
Disconnect battery ground cable at battery. Disconnect wire at alternator "BAT" terminal and connect an ammeter in series between wire and terminal. Connect a voltmeter from "BAT" terminal to a good ground on alternator. Disconnect "F" and "R" terminal connector at alternator and connect a jumper wire between "F" and "BAT" terminals. Reconnect battery ground cable and connect an adjustable carbon pile across battery posts. Start engine and slowly bring speed to 1500 RPM while adjusting carbon pile load to hold voltage at 14 volts. Amperage should be within specifications.