I am trying to connect a 4-way switch to control a stairway light, but am having no luck. Here's the situation.
Three switch boxes:
Switch box at top of the stairs contains: One 3-wire (black, red, white) and one HOT 2-wire (black and white).
Bottom of the stairs, side 1 contains: two 3-wires.
Bottom of the stairs, side 2 contains: one 3-wire.
What I don't know - what is buried somewhere in the walls or ceiling - is where/what wire goes to the actual light.
When everything is disconnected, the light is off, and the 2-wire at the top of the stairs has power.
At the bottom of the stairs, side 1: the two 3-wires (I think) go into the four way switch. The switch has four screws, two marked "In" and two marked "Out". I put the red and white (from the 3-wire from top of the stairs) into the two "Ins", and the red and white from the 3-wire that goes to the bottom of the stairs, side 2 to the two "Outs". I jump the blacks together.
At the bottom of the stairs, side 2, I have a 3-way switch. I have the black wire on the black screw. And the white and red on the two brass screws.
The top of the stairs, where I have the 3-wire, and the HOT 2-wire, totally confuses me. No matter what I try, I trip the circuit.
Can anyone lend some advice?
Thanks is advance,
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