The STANDARD IGNITION NS 11 SI Neutral Safety Switch is engineered to ensure that a vehicle s engine starts only when the transmission is in the Park or Neutral position thereby preventing unintended vehicle movement This switch is compatible with a range of vehicles including certain models from International Harvester Dodge Plymouth and Jeep as detailed in the product specifications Constructed with high grade materials the NS 11 SI features copper alloy conductors that provide superior electrical conductivity with low resistive losses ensuring reliable performance The switch undergoes 100 testing to verify both mechanical and electrical switching performance adhering to stringent quality control standards Its robust designd high grade materials meet the stringent demands of today s service professionals making it a dependable choice for fleet maintenance By incorporating the NS 11 SI Neutral Safety Switch into your fleet s maintenance routine you can enhance operational safety and reduce the risk of unintended vehicle movement thereby improving overall fleet efficiency and safety