At first divide the number of lights into two distinct sections.
Easy way to check christmas lights.
Then remove the middle bulb of the string and check it.
Tackle the project hands on with a homemade tool.
It s a strip of trim you affix to your house.
It combines a voltage detector bulb.
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.
Use a light tester to test each bulb individually.
Replace all nonfunctioning bulbs.
Get a non contact voltage detector and skip down to tracing the dead bulb.
The store also accept lights during its annual holiday lights recycling drive so check with your local mom s.
Then connect the second bulb to the socket in the middle of the string.
Connect it to the wire of the previous socket.
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.
Most lights are now wired so that if one is out the rest burn.
Now check with the multimeter.
Looks like it will make hanging outdoor lights on the house really easy.
Begin at one end of the darkened string of christmas lights and carefully remove the first bulb.
The easy way to recycle old christmas lights so you can make room for new ones.
With christmas around the corner many of you are getting out the lights and decorations.
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.
Alternatively buy a cheaper light bulb.
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.