front brake light

I'm starting a front master cylinder rebuild on my 650 (1982 or -3??? Has drum rear brake); I can't figure out how to remove the electrical connection (brake light switch???) that is on the front brake lever in order to remove the master cylinder from the handlebar. Can't find a reference to...

hi. i've got a 77 that i'm going through, just installed a new front brake switch, but i can't for the life of me figure out how to adjust it. when it clips into the brake lever and i engage the brake lever, it doesn't pull away far enough from the switch to disengage and make the light...