Burned-out holiday lights, even the cheap kind, are often fixable with a small investment of time and money. Thankfully, it’s not too hard to fix Christmas lights. Here is step by step guide on how to fix Christmas Lights or String Lights. Troubleshooting Christmas Lights Before you can repair Christmas lights, you’ll need to identify the problem with them first. There are lots of different ways lights can break. If the entire chain is non-functional, a blown fuse could be the culprit. If a section of the light string isn’t working, there might be a bad bulb or...