Some info about Brake Pedal Position Sensors (BPPS):
This sensor reports the position of the brake pedal and is used for many things including turning on the brake lights and disengaging the shift interlock function.
2008 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV, 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
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W/HARNESS FRONT SEAT(AN3),PWR ADJ PEDALS(JF4)
2008 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV, 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
W/HARNESS FRONT SEAT(AN3),PWR ADJ PEDALS(JF4)