![electrical - Replacing switch with dimmer switch - 2 red wires and 1 yellow wire - Home Improvement Stack Exchange electrical - Replacing switch with dimmer switch - 2 red wires and 1 yellow wire - Home Improvement Stack Exchange](https://i.stack.imgur.com/Zzb4F.jpg)
electrical - Replacing switch with dimmer switch - 2 red wires and 1 yellow wire - Home Improvement Stack Exchange
I just installed a multi-mode LED light bar on my truck, which has 3 wires: red, black, and white. What does the white wire do? - Quora
![4 Wire Car Fog Light Switch, DC 12V On-Off Push Button Switch Foglight Switch, Yellow Indicator : Amazon.co.uk: Automotive 4 Wire Car Fog Light Switch, DC 12V On-Off Push Button Switch Foglight Switch, Yellow Indicator : Amazon.co.uk: Automotive](https://m.media-amazon.com/images/I/61ztzY4vm6L._AC_UF894,1000_QL80_.jpg)
4 Wire Car Fog Light Switch, DC 12V On-Off Push Button Switch Foglight Switch, Yellow Indicator : Amazon.co.uk: Automotive
![Replacing old light switch with Lutron Smart Dimmer switch. I have one yellow wire and one red wire. Do they both just connect to the black wires on the switch and do Replacing old light switch with Lutron Smart Dimmer switch. I have one yellow wire and one red wire. Do they both just connect to the black wires on the switch and do](https://i.redd.it/ez4ae7hcilm51.jpg)