Units Without Field Relay
- With ignition ON and engine OFF connect voltmeter positive lead to No. 3 regulator terminal and connect voltmeter negative lead to "F" regulator terminal.
- If voltage is not
between 0.9 volt and 2.0 volts, regulator must be replaced.
Courtesy of GENERAL MOTORS COMPANY
- If voltage is between 0.9 volt and 2.0 volts, operate engine for 15 minutes at 1500 RPM with headlights ON. Measure temperature of air VV from regulator cover (ambient temperature). Connect voltmeter between ground and No. 3 regulator terminal. Check voltage against specifications given in table.
- If voltage is not
within specified range, regulator must be replaced.