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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General Information

A Permanent Magnet (PM) motor operates each of the power windows. Each motor raises or lowers the glass when the proper voltage is supplied. The direction the motor turns depends on the polarity of the supply voltage which is controlled by the window switches.

Each motor is protected by a built-in circuit breaker. If a window switch is held too long with the window obstructed or after the window is fully up or down the circuit breaker opens the circuit. The circuit breaker resets only after voltage is removed from the motor and the circuit breaker cools.