Wiring An Schematic From A Light. The 14-3 cable has three insulated conductors. You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light.
The grounding conductor in the cable is not shown in order to simplify the diagram. It connects the same as the right side marker lamp brown wire to the left front marker light. In this diagram a new switch and light are added to an already existing light switch.
It connects the same as the right side marker lamp brown wire to the left front marker light.
Feed a length of 14-3 type NM cable or 12-3 if youre connecting to 12-gauge wire between the two boxes. White black and red plus a bare ground wire. Connect the wires to the new 3-way switches with ground screws using one of the two wiring diagrams Fig. How to Wire Light Fixtures.