
Repair Christmas Lights
- I have bags of replacement bulbs scattered through my garage, but the creativity of the light producers results in light sockets of many shapes and sizes, none an ...
- Repairing an Individual Light. Fixing an individual light is easy. Let's assume the green socketed lamp on the left is bad.
- Bend the wires down from the bad lamp (green socket) and good lamp (red tip).
- Pull the glass lamps straight out.
- Place the good lamp (red tip) into the green socket.
- Bend the legs. You now have a working light that will fit your defective string.
- Finding the Bad Spot. If the bad string of lights is embedded in a tree, you might consider a light repair tool (I can't personally vouch for this--reviews ...
- Use an ohm meter with pointed probes (multimeter on ohm setting).
- Mark the start and end of the "dead" section using masking tape.
- You will start with 50 dead lights. Unplug the lights. ...
- In theory, each bulb has a shunt, so filament failure should not cause a blackout. Shunts sometimes fail.
How to recycle your Christmas lights?
- Start by calling your local waste service to see if they accept and recycle Christmas lights. ...
- If your local government won’t recycle Christmas lights, never fear! ...
- If neither of those options work, you can send your lights to a mail-in recycling company like Christmas Light Source or Holiday LEDs.
How do you troubleshoot a Christmas light?
- The circuit isn’t carrying power.
- A fuse has blown.
- A bulb has burnt out and has created a cascading outage.
- The wire has broken.
- One or more bulbs are not seated properly in their sockets.
- A bulb has burnt out and its shunt is not passing on electricity.
- If you're using battery-operated Christmas lights, start by replacing or charging the batteries.
How to make Christmas lights work again?
Trace the location of the dead bulb.
- Tug apart the braided wires to identify the one directly connected to the light bulbs.
- Place the detector on this wire about halfway along the string, between two bulbs. ...
- If the tool hums or lights up (depending on model), the problem is in the half of the string farthest from the plug. ...
How to fix and replace Christmas lights?
Replacement fuses are often included when you purchase lights, but you can also buy them at most ... each one has a simple fix. Before you pack your Christmas decorations away at the end of the season, give your string lights a post-holiday checkup.

How do you fix Christmas lights when half string is out?
1:494:50How To Fix Christmas Lights Half Out - Ace Hardware - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can cut this particular diode off and use a wire nut to tie these two wires back together. AndMoreYou can cut this particular diode off and use a wire nut to tie these two wires back together. And then cap it and then the lights should work.
How do you fix one section of Christmas lights?
18:0920:07How to fix Christmas lights - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo we know that that and is that's what our problem was is that the wire that comes out the sideMoreSo we know that that and is that's what our problem was is that the wire that comes out the side here wasn't making contact with the base of the socket. So go ahead and pull out one of my spares here
Can broken Christmas lights be fixed?
Most string lights have two tiny fuses inside the plug. Typically, a box of lights is also packaged with a replacement fuse or two. To replace a fuse, take a small set of pliers or flathead screwdriver and slide open the cover. Then gently pop out the fuse and replace it with new ones.
How do I know which bulb to replace on Christmas lights?
You can tell which bulb is out on your string of traditional Christmas lights by looking for the bulb that is “burned out” by looking at the tiny little filaments in the light bulbs to see which bulb is “burned out” or has lost it's filament. Many times the bulb will be “smoked” as well.
How do you find the bad bulb in Christmas lights?
The easiest way to find faulty bulbs on incandescent Christmas lights is with a Christmas light tester. Simply bring the light tester close to each bulb. The tester's indicator will light up when it's near a functioning bulb.
Why do some sections of Christmas lights not work?
If a section of the light string isn't working, there might be a bad bulb or a bad connection between the bulb and the socket (like a corroded socket). If replacing the bulb doesn't work, it might be a bad socket or broken wiring that needs to be removed.
How do you fix 3 wire Christmas lights?
0:445:37CHRISTMAS LIGHTS! Simple fix for 3 wire Christmas lights - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you put the wire through there. And then it pulls off just the outside. So you know then you justMoreSo you put the wire through there. And then it pulls off just the outside. So you know then you just pull it. So you get more wire to be able to connect both of them back together.
Why do Christmas lights all go out when one bulb blows?
In this setup, when a filament within any one bulb blows out, it creates an open circuit in the wiring. As we mentioned earlier, when a circuit is incomplete, or open, electricity fails to pass through any of the wire, causing all the lights to go out.
How do I know if my Christmas light fuse is blown?
Remove the two fuses, and inspect them by looking at them up against a bright background (such as the sky). If the fuse is good, you should see an unbroken strand of wire running between the two metal contacts. Replace all blown fuses with new ones.
Why is a section of my LED lights out?
If one of your LED light strands isn't working, it's probably just because it has a bad bulb. If one bulb dies, it can cause the rest of the strand to stop working. The only way to fix the problem is to find the bad bulb. Sometimes only a section of the lights will go out, making your job pretty easy.
Why do only half of my LED lights work?
But the answer is simply that one colour of the RGB/W LEDs is not working within that section and needs replacing. This can be caused by static-electricity damage, or bending and twisting the strip too much, or being trod on, damaged in transit, a cheap poor-quality strip, or dry solder joints.
How do you fix a cut LED string?
3:5914:53Fixing low voltage copper wire LED strings. - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou could just cut one of those LEDs out and you could bridge those wires together to actually getMoreYou could just cut one of those LEDs out and you could bridge those wires together to actually get that back up and running. Again. This is a good point to mention the best way to strip these buyers.
How do I repair a Christmas tree light?
Christmas tree light repair is actually really simple. First, slide back the plastic covering on the plug to check the Christmas light fuse. Pro tip: Some Christmas light strings have more than one fuse, in which case they'll be next to each other. Replace any blown Christmas light fuses.
How do Christmas light testers work?
Some Christmas light testers work by sliding each Christmas light bulb through a hole. Pro tip: Usually, changing a problem bulb (or tightening it) will fix the entire strand. Second, test the Christmas light bulbs with an inexpensive tester. The Christmas light tester will indicate which bulbs are bad and need to be replaced.
How long do holiday lights last?
Also, be aware that most holiday light bulbs have short life expectancies, about 1,000 to 1,500 hours. This means the lights are designed to last one to three seasons, depending on your usage.
Step 1
I have bags of replacement bulbs scattered through my garage, but the creativity of the light producers results in light sockets of many shapes and sizes, none an exact fit to the string under repair.
Step 2: Repairing an Individual Light
Fixing an individual light is easy. Let's assume the green socketed lamp on the left is bad.
Step 3
Bend the wires down from the bad lamp (green socket) and good lamp (red tip).
Step 6
Bend the legs. You now have a working light that will fit your defective string.
Step 7: Finding the Bad Spot
If the bad string of lights is embedded in a tree, you might consider a light repair tool (I can't personally vouch for this--reviews are fairly positive).
Step 10
You will start with 50 dead lights. Unplug the lights. Go to the center of the bad area and remove one light (I use a tiny flat blade screwdriver to pry the bulb assembly from the socket). Press one probe (we'll call it probe A) against the right side of the lamp socket. Press the other probe (probe B) against one of the flat blades of the plug.
Step 11
In theory, each bulb has a shunt, so filament failure should not cause a blackout.
