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

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Wiper Motor: Testing and Inspection

Fig. 20 Wiper Motor Connector Identification:





Refer to Fig. 20 for connector terminal identification.
1. Connect B+ to terminal 1 and battery ground to terminal 5; ensure motor operates at low speed.
2. Connect B+ to terminal 1 and battery ground to terminal 2; ensure motor operates at high speed.
3. Operate motor at low speed, then stop motor with wipers at any point except auto stop position by disconnecting terminal 5.
4. Connect terminal 5 to terminal 6 and B+ to terminal 1.
5. Ensure wipers stop at auto stop position after motor operates again.