300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
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Brake Light Switch: Description and Operation
The stop lamp switch, located on the brake pedal support bracket, provides a "BRAKE APPLIED" input to the ECU. The signal from this switch resets
the control routine if the driver pumps the brake pedal during an ABS braking maneuver. This switch also controls conventional stop lamp operation.
