Brake light switch 850T V50 3 Disk Eldorado plug type 1.25 pitch

GU25657001 Hydraulic front brake light switch as used on 850T, V50III, disc brake Eldorado, V65C, V65SP, V65TT, also listed for California II rear brake switch. This is a plug type switch, meaning it plugs a hole and does not attach a brake hose.  This switch has a 1.25 thread pitch which is the more coarse thread.. Also used on Benelli 900 SEI.