Load Test

NOTE: All accessories must be off and battery fully charged prior to performing this procedure.

1. Connect voltmeter between alternator (B) terminal and battery ground terminal.
2. Connect ammeter between alternator (B) terminal and battery (+) terminal.
3. Run engine from idle up to 2000 RPM, then turn headlights and blower motor On.
4. Read ammeter. If reading is lower than 20 amps, alternator must be repaired or replaced.