If you have any problems with these switches it may be best to call an electrician. Wiring a 3 way light switch.

How To Wire A Three Way And Four Way Switch Configuration
3 way electrical switch diagram. Take a closer look at a 3 way switch wiring diagram. Unfortunately not all 3 way switches are wired the conventional way. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. This might seem intimidating but it does not have to be. With these diagrams below it will take the guess work out of wiring. The diagrams below show the conventional wiring for 3 way switches.
Three wire cable runs between the switches and 2 wire cable runs to the light. This article explains a 3 way switch wiring diagram and step how to wire three way light switch electrical circuit we have to discuss about what are the three ways for wiring diagram as discussed below and how to connect all the lights and what are the different techniques to join such switches to getour own desired outputs as mentioned below. The basic 3 way switch wiring diagram this is the most common and the easiest wiring diagram to follow of any of the wiring diagrams for a 3 way switch circuit. The black and red wires between sw1 and sw2 are connected to the traveler terminals. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Wiring diagram 3 way switch with light at the end.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures. Interested in a 4 way switch wiring diagram. In this diagram the electrical source is at the first switch and the light is located at the end of the circuit. See alternate 3 way switch wiring configuration for another way 3 way switches may be wired.