The Standard Ignition NS 197 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 various Nissan models including the 720 1980 1985 810 1980 510 1978 1981 210 1979 1982 280ZX 1979 1983 and 200SX 1980 1983 Constructed with high grade materials the NS 197 SI offers durability and reliable performance under demanding conditions Its copper alloy conductors provide superior electrical conductivity with low resistive losses ensuring efficient operation The switch undergoes 100 testing to verify both mechanical and electrical switching performance aligning with Standard Ignition s commitment to quality Designed for easy installation it serves as a direct fit replacement for the original equipment facilitating a straightforward replacement process By incorporating the NS 197 SI Neutral Safety Switch into your fleet vehicles you can enhance operational safety and reliability reducing the risk of unintended vehicle movement and potential accidents