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Originally Posted by chacam
I have the magnet attached to the wheel and the sensing unit attached to the steering arm. It counts wheel rotation and I don't see how it will give false readings. The wheel goes round when you turn a corner just as it does when you go straight.
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When it is mounted to the steering arm, the distance between the magnet and the sensor increases when you are in a full right or left turn. When the wheels are straight ahead the sensor and maget are close together. As you turn right or left, the outside throw of the rim increases the distance. Therefore, there will be no reading when the magnet is away from the sensor (switch) for that brief period. When it is mounted to the rear axle, the wheel ride is constant and there is no variiation in distance between the two.