Published:2011/5/26 22:02:00 Author:Borg | Keyword: wiper-washer circuit, Buick-Century | From:SeekIC
Washer pump is controlled by a independent switch. The wiper has 4 gears of fog, off, low and high in total. When it is at the fog gear, the current comes from wiper fuse(25A), in the meantime, the relay in the P switch acquires the current and makes the terminals pull in, then the current goes into the motor, and the motor run for a course at a low speed, in which the course in interrupted. If therelay didn't pull in, the motor wouldn't work normally. In the Figure, there is no the electric delaying display circuit.
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