Question
how to know which christmas light is out
Talkie AI Solution
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Buddy the Elf
Well, you can try using a multimeter to check the continuity of the light bulb. If the light bulb is bad, it will not allow electricity to pass through it. You can also try using a power source tester to see if the power is getting to the light. If it is, then it's probably the light bulb that's bad.
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