how do i change an old single light switch which does 2 lights to a new switch the old one has 3 wires in a line black in the centre and a red at each end the new switch has a common at one end and a 1way and 2 way at the other which wire go to which
Is the old switch 2-way? I.e. is there another switch nearby that also operates the 2 lights. If it's 1 way, there's only a red and black. If it's 2 way, there'd usually be red, blue and yellow. So I'm not sure why there'd be a black and 2 reds.
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