geo Workshop Repair Guides

Geo Workshop Service and Repair Manuals

Starting System > < System Diagnosis - Delcotron Alternator Charging System|Page 5634
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Voltage Regulator: Testing and Inspection

1. Connect a voltmeter and fast charger to battery.
2. Turn ignition switch On and slowly increase charge rate. Indicator lamp in vehicle will begin to dim when voltage setting is reached.
3. Observe voltmeter, light should dim at 13.5-16.0 volts.
4. If no voltage is present, replace voltage regulator.

Starting System > < System Diagnosis - Delcotron Alternator Charging System|Page 5634