STC1865 - ABS Sensor – Front – LH

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ABS Sensor - Front Left-Hand, part of the four-wheel anti-lock braking system. The wheel speed sensor mounts at the left-hand front hub and reads the passing teeth of the exciter ( reluctor) ring as the wheel turns. It feeds the resulting rotational-speed signal to the ABS control unit, which compares all four wheels to detect impending lock-up and modulate brake pressure accordingly. A failed or contaminated sensor commonly triggers the ABS warning lamp and disables anti-lock function on that circuit. Show more