The Napa Echlin NS6497 Neutral Safety Switch is a vintage part designed for vehicles like the Bonneville, Toronado, 6000, and LeMans. It is a white switch assembly with engine kill and multifunctional capabilities, meant for placement on the left side of the steering column. Manufactured in Taiwan by NAPA, this durable and weatherproof switch features dustproof construction and is designed to prevent accidents by ensuring the vehicle can only be started in neutral or park. With OE/OEM part numbers including 15679680 and 22514861, this NOS (New Old Stock) switch is suitable for these specific vehicle models.