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

CHECK CHARGING CIRCUIT WITHOUT LOAD

While keeping the engine speed at 2,000 rpm, check the readings on the ammeter and voltmeter.

Standard current: 10 A or less

Standard voltage: 13.2 to 14.8 V

CHECK CHARGING CIRCUIT WITH LOAD

Keep the engine speed at 2,000 rpm, turn on the high beam headlights, and turn the heater blower switch to the "HI" position.

Check the reading on the ammeter.

Standard current: 30 A or more