When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Use the black wire in the top 2 wire conductor to attach the switch to the source.

Dn 6150 3 Way Selector Pick Up Toggle Switch Wiring Diagram
How to wire a three way toggle switch. Connect the wires to the new 3 way switches with ground screws using one of the two wiring diagrams fig. Learn how to wire a toggle switch in just a couple minutes. Converting a single pole switch to a 3 way. Connect the battery and verify that the switch works correctly. Connect the two remaining traveler wires to the two brass or light colored screws. Wire the switch by connecting power to the center terminal s.
The loads attach to the other two terminals. Rather than having two terminal screws and a ground screw like a conventional single pole. Solder a wire from tab 2 of the three way switch to the tip tab of the output jack. We will leave the sleeve tab of the output jack alone for now. Dont attach the traveler wires to the common screw since. Connect the ground wire to the green screw.
It also has one more terminal. Solder a wire from the only tab on the right side of the three way switch to the back of the neck volume control. Feed a length of 14 3 type nm cable or 12 3 if youre connecting to 12 gauge wire between the two boxes. Run a black wire from the new switch to the power source. White black and red plus a bare ground wire. Whether youre wiring a spst toggle switch or spdt toggle switch well show you how.
Connect the wire marked common to the black or dark colored screw. Im planning to use this switch in an upcoming video and figured id shoot a quick video showing. The 14 3 cable has three insulated conductors. For starters it doesnt have off and on printed on the toggle and it doesnt have a top and bottom. A three way switch is built and wired a little differently than a conventional single pole light switch. A quick look at how to wire a 3 way switch commonly used inside vehicles project boxes and so on.
Plus get all the parts you need for the job at. The screw is typically on the bottom of the switch. Push connectors onto the switch terminals.