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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Wiper Switch: Testing and Inspection

Fig.63 Intermittent Wiper Switch Test:




1. Disconnect switch wires from body wiring in steering column. Using a suitable ohmmeter, test for continuity between terminals of switch as shown.
2. When testing switch the first position is OFF, the next six are delay wipe. Low is the next detent, and high is full counterclockwise detent position.