![Good morning! Trying to do a simple swap from light switch to dimmer switch - but there are 4 wires on dimmer & 3 on current switch. Not sure which gets capped. Good morning! Trying to do a simple swap from light switch to dimmer switch - but there are 4 wires on dimmer & 3 on current switch. Not sure which gets capped.](https://i.redd.it/good-morning-trying-to-do-a-simple-swap-from-light-switch-v0-dt9viz6hhxd91.jpg?width=3024&format=pjpg&auto=webp&s=2cd6a27c2497902f1b4eb13976bfd8cf0517786f)
Good morning! Trying to do a simple swap from light switch to dimmer switch - but there are 4 wires on dimmer & 3 on current switch. Not sure which gets capped.
![electrical - Installed dimmer switch caused another switch to stop working - Home Improvement Stack Exchange electrical - Installed dimmer switch caused another switch to stop working - Home Improvement Stack Exchange](https://i.stack.imgur.com/Bc9xd.jpg)
electrical - Installed dimmer switch caused another switch to stop working - Home Improvement Stack Exchange
![Lutron Diva LED+ Dimmer Switch for Dimmable LED, Halogen and Incandescent Bulbs, Single-Pole or 3-Way, with Wallplate, White DVWCL-153PH-WH - The Home Depot Lutron Diva LED+ Dimmer Switch for Dimmable LED, Halogen and Incandescent Bulbs, Single-Pole or 3-Way, with Wallplate, White DVWCL-153PH-WH - The Home Depot](https://images.thdstatic.com/productImages/955e6011-86a6-44c8-b025-c0077eab4ee6/svn/white-lutron-dimmers-dvwcl-153ph-wh-64_600.jpg)
Lutron Diva LED+ Dimmer Switch for Dimmable LED, Halogen and Incandescent Bulbs, Single-Pole or 3-Way, with Wallplate, White DVWCL-153PH-WH - The Home Depot
![Why Your Light Switch Is Not Working And How To Fix It - Everyworks Singapore - #1 Handyman & Home Services Company in SG Why Your Light Switch Is Not Working And How To Fix It - Everyworks Singapore - #1 Handyman & Home Services Company in SG](https://www.everyworks.com/wp-content/uploads/2020/07/touching-switch-light-switch-everyworks-electrician-singapore.jpg)
Why Your Light Switch Is Not Working And How To Fix It - Everyworks Singapore - #1 Handyman & Home Services Company in SG
![electrical - Why is my new Legrand Radiant smart dimmer switch not dimming? - Home Improvement Stack Exchange electrical - Why is my new Legrand Radiant smart dimmer switch not dimming? - Home Improvement Stack Exchange](https://i.stack.imgur.com/Zk9Kz.jpg)