Q:I have a three-way switch that controls the light at the top of the stairs. The switch at the bottom doesn't always work like it is supposed to. Sometimes when I turn it off, the switch at the top ...

Add Yahoo as a preferred source to see more of our stories on Google. A quick look at the process of replacing a three-way switch, from identifying the wiring to installing the new switch.

The 2-Packs of smart light switches lead a lot of people to believe that you have to replace both light switches- but do you? 📦 PRODUCTS IN THIS VIDEO 📦 • 2-Pack Kasa Smart 3 Way Switch HS210 KIT • ...