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)

Or, hide this message: temporarily or permanently

Wiper Switch: Testing and Inspection

WINDSHIELD WIPER/WASHER SWITCH

INSPECTION

SPEED OPERATION CHECK

1. Remove the connector from the wiper motor.
2. Attach the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 3.
3. Check that the motor operates at low speed.
4. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 3.




5. Check that the motor operates at high speed.

AUTOMATIC STOP OPERATION CHECK

1. Operate the motor at low speed.
2. Stop the motor operation anywhere except at the off position by disconnecting terminal 3.
3. Connect terminals 4 and 5
4. Connect the positive (+) lead from the battery to terminal 4 and the negative (-) lead to terminal 3.




5. Check that the motor stops running at the off position.