Sable V6-3.0L VIN U (1999)
Brake Light Switch: Description and Operation
The Brake Pedal Position (BPP):
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provides power to the rear stop amps and rear hi-mount lamp.
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provides a signal to 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 amplifier.
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lamp out module (if equipped).
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remote anti-theft personality module (if equipped with keyless entry).
Power is provided to the BPP:
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Through fuse junction panel Fuse 28, which is HOT AT ALL TIMES.
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On Circuit 10 (LG/R).
Ground to stoplamps is provided by Circuit 57 (BK).
