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Windshield wiper and washer system circuit wire color - page 22 (B588)
BMW 5 Series · 1981–1988
22 Electrical System
Correct wire color at wiper control unit pin 15b should be BK/BU (Black/Blue)
Fig. 5-1 Windshield wiper and washer system circuit.
22 Electrical System
page 22
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