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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Windows: Description and Operation

Window Operation

The window system operates under the control of the accessory delay relay. The SJB will ground the coil side of the accessory delay relay when the ignition key is in the ON position. When the accessory delay relay is active, power is supplied to each power control window switches. The power window switches direct power and ground to its associated power window motor.