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 Motor Linkage: Testing and Inspection







Front Wiper Motor and Link / INSPECTION
1. When the battery is connected to the appropriate connectors, confirm that motor operates at low speed.






2. When the battery is connected to the appropriate connectors, confirm that motor operates at high speed.






3. Connect the battery to terminals of connector, and remove terminal connection with motor rotated at low speed, and stop wiper motor through operation.






4. Connect the battery and confirm that motor stops at automatic stop position after motor operates at low speed again.