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Home >> BMW >> 1981 >> 633CSi Automatic Trans >> Repair and Diagnosis >> Electrical >> Body Electrical >> Wiper/Washer System >> Testing

Wiper/Washer System: Testing

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Unplug wiper motor connector at motor. Check for battery voltage at Violet/Black wire. Move wiper switch to lower speed position. Voltage should be present at Black/White wire. If voltage is present, wiper motor must be faulty. If no voltage, check fuses and wiring.