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Christmas light bad bulb finder.
Many led christmas lights are made without removable bulbs so the circuit won t fail if a single bulb breaks.
Otherwise the operation is the same as the neon bulb version.
How to find a bad bulb in christmas lights press down the black button hold the tip about 1 2 in.
You use the probe to search for the open bulb in the string.
There s a way to test and fix the entire string of miniature lights without testing each bulb individually.
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.
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.
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On one side of a dead bulb the red led will glow and on the other side the green led will glow.
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Get it as soon as wed jan 22.
Finding bad bulbs on led christmas lights.