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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 (On Car) >> Wiper Will Not Shut Off

Wiper Will Not Shut Off

Disconnect wiring at dash switch, if wiper shuts off dash switch is faulty. If wiper does not shut off, connect 12 volts to No. 2 terminal.

CAUTION: Do not connect jumper wire to No. 7 terminal.

If wiper now shuts off correctly, lead between No. 1 terminal and dash switch is grounded. If wiper does not shut off, remove from vehicle and check unit. See 1-Speed Wiper (Off Car).