The only way i know how to do what you want is to take a bulb you know burns and replace each bulb in the string with that bulb until they all glow.
Easy way to check christmas lights.
The store also accept lights during its annual holiday lights recycling drive so check with your local mom s.
Replace all nonfunctioning bulbs.
Now check with the multimeter.
The best option is to use either an electrician s multimeter or a tool specifically designed for repairing christmas lights such as the lightkeeper pro.
You can also test the bulbs without a light tester although this process will take more time.
With christmas around the corner many of you are getting out the lights and decorations.
Many christmas string lights are wired in series so if one bulb bu.
Then remove the middle bulb of the string and check it.
At first divide the number of lights into two distinct sections.
Step 2 locate the two wires on the bottom of the bulb and touch a probe to each wire ensuring that the probes do not touch each other or more than one wire.
Use a light tester to test each bulb individually.
Begin at one end of the darkened string of christmas lights and carefully remove the first bulb.
Tackle the project hands on with a homemade tool.
Most lights are now wired so that if one is out the rest burn.
The easy way to recycle old christmas lights so you can make room for new ones.
Sometimes nonfunctioning christmas light bulbs can appear to be perfectly normal so a light tester is the most efficient and reliable way to single out broken bulbs.
Get a non contact voltage detector and skip down to tracing the dead bulb.
Then connect the second bulb to the socket in the middle of the string.
Connect it to the wire of the previous socket.
It combines a voltage detector bulb.
Then you attach the lights on a slide piece with clips.