By probing your way back and forth you can quickly get to the bad bulb.
Christmas light bad bulb finder.
Allsun christmas light tester non contact voltage tester light bulb fuse detector 12 600 v ac voltage detector christmas light fuse checker light repairing tool blue.
From the string and move it along the cord until it stops beeping at the defective bulb.
3 2 out of 5 stars 70.
Many led christmas lights are made without removable bulbs so the circuit won t fail if a single bulb breaks.
If you have led christmas lights with removable bulbs the troubleshooting process is similar to incandescent bulbs.
Otherwise the operation is the same as the neon bulb version.
On one side of a dead bulb the red led will glow and on the other side the green led will glow.
Finding bad bulbs on led christmas lights.
Get it as soon as wed jan 22.
No fear here is how you can find that pesky problem and repair your christmas lights so that you too can pay your share to the electric company this holiday season.
Step 1 if you re able to locate a bad bulb just unseat the bulb remove the bulb from the plastic base and replace it with a similar bulb.
You use the probe to search for the open bulb in the string.
How to find a bad bulb in christmas lights press down the black button hold the tip about 1 2 in.