Ignition Switch Triumph 73 to 76 Lucas

This a Ignition Switch made by Lucas for a Triumph TR6 1973 to 1976, Triumph Spitfire 1973 (FM10001) to 1976 FM60006) and Triumph TR7 1975 to 1977. This switch has four pins in a five pin connector. Cross Ref.# 30563, 39911, 218959