Operation CHARM: Car repair manuals for everyone.

Charging System: Testing and Inspection

If the charging system light does not come on or does not go off, or the battery is dead or low, test the following items in the order listed below:
1. Battery
2. Charging System Light
3. Voltage
4. Alternator control system
5. Alternator/Regulator







Charging System Light Test










Alternator Control System Test