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Brake Light Switch, Basic Function - GF42.10-P-2001A

Model all (CAR) 

Example illustration 

G13772378Courtesy of MERCEDES-BENZ USA

Overview 

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General 

The Brake light switch is located to the left of the Brake pedal.

Function 

The Brake light switch consists of a shaft with ring magnet. The ring magnet rotates in a printed circuit board with stator in two fixed Hall elements. This produces a change in the voltage. The information about the Brake pedal position is routed in the form of two signal voltages to the ESP® control unit.