Finding the culprit can be a tedious job, so use a multimeter to make quicker work of locating the point at which the current is interrupted. Just as one rotten apple spoils the basket, a single burnt-out bulb compromises all others on the string. The circuitry of holiday lights is often such that every bulb must be functional for the current to run the full length of the string. Just be sure to have a hot cup of cheer nearby you might need it. The following tips will explain how to repair Christmas lights (without you having to do your best Clark Griswold impression). Repairing Christmas lights can be a thankless job, but if Walmart is sold out of lights for the season and you have to make do with what you have, fixing a strand or two might be a reality. Keep reading to learn more about these issues and what you can (and can’t) do about them. If the string doesn’t light with fresh fuses in the plug, the issue is either a bulb or an internal break in the wiring. It can be hard to tell if they’re any good, but if they pop, the Christmas light extravaganza will be delayed. In most Christmas lights, fuses-two of them on each light, in fact-are hidden behind a sliding door in the plug. The most obvious things to check next are the fuses. If there isn’t any power at the outlet, check for a switch first before heading to the breaker box. If you plug in a string of lights and they aren’t working, ensure there is power at the electrical outlet first (if you don’t have a pen tester, plug in another string of lights). There are a few different ways that a string of Christmas lights can go kaput, and it’s worth starting at the simplest cause first when fixing Christmas tree lights. Learning how to fix Christmas lights that don’t work is something of a lost art, but knowing how could save your holiday festivities.

String lights can fail for a great many reasons, but with this guide to troubleshooting and repairing Christmas lights, you’ll soon be able to identify your string lights’ issues. Note that for your own safety, before attempting to fix Christmas lights, it’s essential that you check twice to be certain your string lights are unplugged. even when i took it off the tree, all the lights were fine.Read on to find out the most common causes of, and the easiest solutions to, problems with Christmas lights. for that tree, i spent two hours searching for a broken light or something and never found the reason it didnt work. my one gripe with prelit trees is if one strand is out, it looks horrible, so i cut it out and had to replace it with a regular strand. we purchased a tree after christmas one year on sale and the next year when we opened it, one strand of lights was out. Now if the whole tree doesnt light up and you are sure the outlet is fine, i would be concerned. if the tree doesnt have this, you would have to go to each light trying to find the broken one. usually they have the 'stays lit' feature which is basically when one light breaks, the rest of the tree stays lit. so if it has 5 wires, each plugs into the next. so for the top piece, gather all the wires and plug each one into the next. to make it easiest, take each part one by one. Ok, there are 3 parts and if all are plugged in, it should work.

Pre lit tree light section out