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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Alternator: Testing and Inspection

Before proceeding with the following tests, ensure the battery is fully charged, the alternator belts are tight, and that all applicable fuses and fusible links are satisfactory. Also, inspect alternator for damaged wiring and listen for abnormal noises while running.