I have to replace a two-way switch. One is in the house and one in the garage. The one I took out is very old and not like the new one I bought. I have three wires. One black; one white; and one red. How do I connect them to the new switch? On one side of the new switch there are two screws. One is black, the other regular silver. One the other side I have a green ground screw and a regular silver one. Which wire goes where? And thanks ahead of time.
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