I'll get off my soap box now, darn Christmas lights! I'm syncing my new LED Christmas lights to music this year using a color organ which makes them flash to the beat of the song I am playing. this is the cheapest construction method dating way back from incandescent light strings. Sometimes it is just the fuse too. The carmelly opalescent glass & antiqued look of the fixtures would "speak" to each other. Saw door frame set at face of casework/ bookcase instead of at wall. I use to take each bulb out and try it where another worked but with the lightkeeper pro you just pull the trigger run it across the cord and it beeps or stops beeping for get how it goes.There is another place on the tool that you put the light socket in and push the trigger a few times makes them work .This thing is a life saver for me .For those who are not sure I believe you can check out video on youtube.Goodluck everyone. of course what do you do when its Christmas and the ONLY lights for sale are made in China? If only 7 of the 10 LED elements are now working it is most likely that the problem is in the light fixture itself. The smaller ones would fit in all the bulb sockets, but the wider ones only fit in certain ones. Iam the original poster, i guess i can determine if my post is informational or not. Repairing these lights won't be easy, but with a little determination and know-how, it can be done. If half the string is out, look for the dead bulb closet to the end. Depending on the type of circuit, serial, or parallel, you may be able to replace the bulbs individually. If you don't get them working, maybe you could just hide the non working sections in the middle of the tree and still use the part that will light up. Why do Christmas lights go out for half the string, how does one trace the problem and fix it? I always buy some after Christmas because of that. So sorry this has happened to you. I also do the other steps that luvs mentioned. I did what u said, found the burnt out bulb, changed it and voila! Worth it to consider all the possibilities and potential uses. I think they are like two regular strands they've hooked together. Issues with Rope Lights My rope light has a section that has gone out. If you read on the box, you're only supposed to use so many strings per extension cord, but I don't remember how many. Terrible design, but only one on first floor. If you find that your LED strip was internally wired with an old-style serial circuit, similar to older strands of Christmas lights, it is time to replace the lighting strip because in … Or take that concept back up to plan with the entire kitchen. Pattycakes, your theory might be true in some cases, but I had one strand today that I tested before putting on the tree, and only half of it lit up. A loose bulb? I always buy 100 light strands and have heard that 50 are better because of that problem. Of course this happens after the garland is up and decorated. Most of you have encountered a time when you spent half the day decorating for Christmas and then start to plug in the Christmas tree or other decorations and instead of gasps of delight discover that part of your lights are not working. If your wires are not stripped back far enough or you push them too far into a connector it will give the illusion of a secure connection when really there is no connection at all the connector is only clamping on the pvc wire coating. I agree they don't make them like they use to. Go to the part that isn't lite and change the first bulb. Note that LEDs do not use shunts because they don't need them. lights still don't work. Saw you were investigating casework for potential end wall option. BW. If not, go to walmart and get some new ones. These socket/bulb contacts are cheap and iffy. Hobby lobby brand tree. Wish I would have gotten one alot sooner.Here is a hint if you purchase one:The directions in the package can seem quite overwelming and a little confusing. Think opportunities for new lighting placed as you desire,insulation, even surround sound for the vintage vinyl could be built in. If it is not just the fuse, there may be more than just a few choice words said......remember Chevy Chase beating the daylights out of that poor plastic reindeer........ My husband was supposed to stop at Hobby Lobby today while he was in the city and pick me up one of the Light Keeper Pros....but....he forgot. 2) Bulb lens cracked or significantly damaged. Unplug one bulb on the other end and the other half will go out. That is right ridiculous and unethical. !When half a light strand is out it is usually a defect in the wire, apparently when a bulb burns out what happens is that the electricity bypasses that bulb to reach the rest of the lights, however if the channels in the wire are not working properly it will not allow the electricity to pass through to the rest of the string. See "LED Christmas Lights and How to Fix Them" by Terry Ritter. I’m never taking my Christmas decorations down? And that's not fixable by me. BINGO. If you own LED lights that don’t have removable lightbulbs (yet another reason why LED lights can last so long), they are much harder and much more dangerous to fix. That is why painting the TV wall and going all the way up the ceiling in an accent color at least would be great. ... have 8 strings of g e clear christmas lights that only the first half of the string works. To test this idea, unplug one bulb on one end and half the lights go out. This begs the question why bother providing the fuse. Biden certification in Congress likely to be contentious, Jennifer Lopez grieves for COVID-19 victims, 'Patriotic Millionaires' want to kick in on relief checks, Cheers! Blown Fuse – Just like mini string lights, the commonly included power cord of 120-Volt rope light can blow its fuse. Then, they have one or more strings of 40-50. Everything today is m are to be replaced shortly. Blushing here ;) Do think my fellow redhead is right about ceiling in here , more accurate to period and best in this space. I am so sorry! Either a bulb isn't making good contact in its socket (most likely on a string that hasn't been used much) or a shunt is not working. No luck. They worked well last year, but now half of them either are too dim, only half a string is functional, or it doesn't work at all. So if you don't have a voltage detector which costs around $10/$20, buy the LightKeeper Pro for $20 which has both a voltage detector and shunt fixer. I love to drive home from work every night and enjoy the site of Christmas lights. I am getting tired of buying things only to have to replace them after a year,if they last that long. I keep the lights plugged in while doing this. When individual bulbs burn out out as i saw it possibly fitting putting smart. Tighten the bulb near the bottom a cheap, DISPOSABLE society every other.. 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