Squeeze another season out of your strings of lights!
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Squeeze another season out of your strings of lights!
Our editors and experts handpick every product we feature. We may earn a commission from your purchases.Learn more.
A few minutes
Beginner
$0 - $20
Burned-out holiday lights, even the cheap kind, are often fixable with a small investment in time and money. Here's how to diagnose and fix common problems.
   Most of us have experienced the frustration of uncooperative holiday lights. After a year of storage, Christmas tree lights often need repairs before they’re ready for use. There’s a simple way to solve the problem. Here, we’ll walk you through how to fix Christmas lights that are not working.
The most common cause for a strand of malfunctioning holiday lights is a burnt-out, broken or loose bulb. Frayed or broken wires can also cause your lights to fail, so be sure to check that the cords are in good shape. Another reason holiday light strands fail is due to bad fuses, which we show you how to check and change in the steps below.