his a Ignition Switch with the Anti Run On Circuit for the Triumph TR6 1975 to 1976, Triumph Spitfire 1973 (FM10001) to 1976 FM60006) with the Anti Run On Circuit and Triumph TR7 1975 to 1977 with the Anti Run On Circuit (Vin Number ACW7001) . This switch has Six wires that feed into a in five pin connector. Cross Reference, 667-875.