Switch, ignition, 4 position body, 4 terminals

Lucas 4 position ignition switch body with 4 terminals, suits Norton and other bikes. Body OD 35.5mm, body ht 24mm, base OD 35.5mm.  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 & 4 (engine, stop tail, indicators, headlight).
Original part numbers:
30552; 30608A; 033016; 600989 - ignition switch