Switch, ignition, 4 position body, post 1970

Lucas 4 position ignition switch body (Park, Off, Ignition, Ignition + Lights) with 4 terminals, suits Norton and other bikes. Has rib around base and down one side; body OD 36.5mm, body ht 29mm, base OD 40mm. Wiring connections are: Switch position 1 = contacts 1 & 3 (parking lights); Switch position 2 = Off (no power); Switch position 3 = contacts 1 & 2 (engine, stop tail, indicators); Switch position 4 = contacts 1 & 2 & 3 & 4 (engine, stop tail, indicators, headlight).
Original part numbers:
30552; 30608A; 033016; 600989; 066395 - ignition switch