The Standard Ignition NS 666 SI Neutral Safety Switch is a direct fit replacement designed to restore the neutral safety function in various vehicles including select models from Dodge Hyundai Jeep Kia and Mitsubishi This switch ensures that the engine starts only when the transmission is in the neutral or park position enhancing operational safety and preventing unintended vehicle movement Constructed with copper alloy conductors the NS 666 SI offers superior electrical conductivity with low resistive losses ensuring reliable performance Its robust designd high grade materials meet the stringent demands of today s service professionals providing durability and longevity The switch is engineered to OE specifications ensuring proper fit form and function which simplifies installationd reduces downtime By replacing damaged or worn out neutral safety switches with the NS 666 SI fleet operators can maintain optimal vehicle performance and safety standards thereby reducing maintenance costs and enhancing operational efficiency