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: Service and Repair


1. Disconnect battery ground cable.
2. Locate small notch at base of knob and insert a small screwdriver and apply pressure to release spring and pull knob from shaft.
3. Remove slotted trim nut from front of switch.
4. Push switch through instrument panel, then disconnect wiring harness and remove switch.
5. Reverse procedure to install.