5-Position Ignition Switch Fits Massey Tractor 189527M91

5 Position Switch OFF - off IGN - ignition IGN & LAMPS - ignition, head lamps and rear lamps IGN & ALL LAMPS - ignition, head lamps, rear lamps, and panel lamp (dash lamp) Lamps only - head lamps, rear lamps, and panel lamp (dash lamp) 4 Terminals B = battery I = ignition H = head lamps and rear lamps A = panel lamp (dash lamp) 3/4" Post O.D. Includes 2 keys