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Home >> Mini >> 2004 >> Cooper S >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control - Overview >> MINI Body Control Module >> Wipers and Washers >> Principle of Operation >> Wiper Stalk Switch
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Wiper Stalk Switch

Coded ground signals are input to the BC1 from the Wiper Stalk Switch to accommodate wiper functions. Switched grounds are also provided to request washer (front or rear) and rear wiper activation.

Fig 1: Wiper Stalk Switch Input To BC1
G04730185Courtesy of BMW OF NORTH AMERICA, INC.

Workshop Hint 

If the wiper motor stalls and then becomes free, the relay will not be re-energized until the key is cycled off and then back on.

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