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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Clutch Switch: Description and Operation

OPERATION
Starter/clutch interlock switch is designed to prevent starting engine unless clutch pedal is fully depressed. Switch is connected between ignition switch and starter motor relay coil and maintains an open circuit with clutch pedal in UP position (clutch engaged).