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

F1 - Check For Shorted Wiper Control Module



^ Disconnect connector from wiper motor.

^ Turn ignition to Run position.

^ Turn wiper switch to Off position.

^ Measure continuity between circuits 28 (BK/PK) and between circuits 61 (Y/R) and 63 (R).

^ Is there continuity?

YES -- Check for:

- Unseated component.

- Damaged wiper motor.

Service as required.

NO -- Go to F2. F2 - Check Wiring Between Wiper Control Module and Motor