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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Test 6-Voltage Control Setting


Fig. 4 Voltage Control Setting:






1. Disconnect +D lead from alternator. Fig. 4.
2. Connect a ammeter between disconnect lead and alternator +D terminal.
3. Connect a voltmeter across battery.
4. Start and run engine at charging speed until ammeter registers less than 10 amps.
5. Voltmeter should register 14 volts. If not as specified, replace regulator.