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Home >> GMC >> 1966 >> K1000 Pickup >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Windshield Wipers - 1 & 2-Speed Electric -- Square Motor >> Testing & Trouble Shooting >> 1-Speed Wiper (Off Car) >> Wiper Runs Slow & Vibrates

Wiper Runs Slow & Vibrates

If current draw is 7-9 amperes check for gear train binding or shorted armature.