Test 6-Voltage Control Setting
Fig. 4 Voltage Control Setting:
1. Disconnect +D lead from alternator. Fig. 4.
2. Connect a ammeter between disconnect lead and alternator +D terminal.
3. Connect a voltmeter across battery.
4. Start and run engine at charging speed until ammeter registers less than 10 amps.
5. Voltmeter should register 14 volts. If not as specified, replace regulator.