No com on old fitting. I tried L1 red and L2 black as previously wired on old switch and new switch did not work so thought com might have to have one of the wires.
Oh boy am I pleased to have found this site, it's those pull cord switches in the bathroom again!. Mine stopped working so the light was on all the time. Went and bought another thinking wiring I could copy wiring over to new pull cord. Wrong! Old one 2way common has red to L1 and black to...