AC Delco Brake Pedal Position Sensor --. 2004-2005 Avalanche 1500 Base INDIVIDUAL/NON-BUCKET FRONT SEAT(AN3). 2004-2006 Avalanche 1500 (submodel: Z66, Z71) INDIVIDUAL/NON-BUCKET FRONT SEAT(AN3). 2005-2006 Avalanche 1500 (submodel: LS, LT) INDIVIDUAL/NON-BUCKET FRONT SEAT(AN3).
