Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Charging System Light Test

Troubleshooting-Charging System Light Test:




Troubleshooting-Charging System Light Test (Part 2 Of 2):




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 (USA)
5. Alternator/regulator