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Home >> GMC >> 1966 >> I1500 Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Windshield Wipers - 1 & 2-Speed Electric -- Square Motor >> Testing & Trouble Shooting >> 1-Speed Wiper (Off Car) >> Wiper Will Not Shut Off

Wiper Will Not Shut Off

If crank arm does not stop in park position when jumper wire removed from No. 1 terminal, check that park switch contacts are opening and that there is no ground in internal motor lead to No. 1 terminal.