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  1. M

    Wiper Wiring Diagram Help - Switch and Earth - Why?

    Hi All, For intermittent wiper, I used simple wiring order.. The 12v out from delay relay triggers pin 85 of the bosch relay and 86 is grounded with pin 31 of the wiper motor..This connects pin 87 to motor pin 53 for low speed.. When motor starts moving , pin 31b gives + 12 V signal that is...
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