Quote:
Originally posted by rosebud

i am still a little confused. there are four wires on last year's optical sensor. one for power, one for ground, but what do the last two do?
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The other two are the sensor outputs...keep in mind that they are exclusive, so whenever one is on, the other is off...basically, one of them is on when the sensor sees something, and the other is on when it doesn't see anything...