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Home >> GMC >> 1982 >> S15 Pickup 2.8L Eng VIN B, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Computer Command Control >> Operation >> Data Sensors >> Park/Neutral (P/N) Switch

Park/Neutral (P/N) Switch

This switch is connected to transmission gear selector. It is closed when selector is in "P" or "N" positions and open when selector is in gear. This switch is used for ISC and TCC operations.