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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Starting System Circuit Description

Moving the ignition switch to the START position sends a 12 V signal to the Park/neutral Position (PNP) switch. The PNP switch must be in P or N in order for the voltage to flow to the starter solenoid S terminal. Ground is supplied through the engine block.