Town Car V8-4.6L SOHC VIN W (1999)
Brake Light Switch: Description and Operation
The Brake Pedal Position (BPP) switch provides power to the stoplamps. The Light Control Module (LCM) signals various other systems, including:
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Anti-lock brake control module.
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Powertrain Control Module (PCM).
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Shift lock actuator.
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Speed control servo.
