Brake Switch
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
The switch can only be adjusted during initial installation. If the switch is not adjusted properly a new switch must be installed.
The plunger type brake lamp switch is mounted on a bracket attached to the brake pedal support. See Fig 1 .
The brake lamp switch is used for the brake lamp, speed control and brake sensor circuits. The brake lamp circuit is open until the plunger is depressed. The speed control and brake sensor circuits is closed until the plunger is depressed.