There s a way to test and fix the entire string of miniature lights without testing each bulb individually.
Christmas light bad bulb finder.
By probing your way back and forth you can quickly get to the bad bulb.
You use the probe to search for the open bulb in the string.
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Starting at one end of your strand or in the dark portion of your strand use your voltage detector or light tester to locate the faulty bulb or dead length of wire.
Finding bad bulbs on led christmas lights.
How to find a bad bulb in christmas lights press down the black button hold the tip about 1 2 in.
If you have led christmas lights with removable bulbs the troubleshooting process is similar to incandescent bulbs.
On one side of a dead bulb the red led will glow and on the other side the green led will glow.
From the string and move it along the cord until it stops beeping at the defective bulb.
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.
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.
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