buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Starting System > < CS-121 and CS-130 Repair Procedures|Page 4786
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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 > < CS-121 and CS-130 Repair Procedures|Page 4786