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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Master Window Regulator Control Switch

1. Key OFF.







2. Remove and disconnect the master window regulator control switch.


Part 1:






Part 2:






3. Measure the resistance between the following terminals:
4. If the master window regulator control switch fails any of the above tests, replace it. Otherwise, return to the pinpoint test.