Hi there. Some help replacing an old MK double switch with a new MK switch. Wiring is early 90s. Both switches have secondary switches for the same lights.
Just doing L1 - L1, Com- Com etc didn’t work. Assumed top row on old unit was one switch and bottom row, the other.
Many thanks.
Just doing L1 - L1, Com- Com etc didn’t work. Assumed top row on old unit was one switch and bottom row, the other.
Many thanks.