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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Power Window Relay: Testing and Inspection




1. Check the continuity between the terminals "3" and "5" with an ohmmeter.
2. Apply DC 12 V to the terminal "3" and ground the terminal "5".
3. Check for continuity between the terminals "1" and "2".