Christmas Tree Lights Find Bad Bulb

Replace all nonfunctioning bulbs.

Christmas tree lights find bad 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. When the location is found where one bulb has voltage and the next does not the one showing a voltage present is the bad bulb. Reverse the procedure to find the fault on the other side of the string if the middle bulb had not shown live voltage. How to find the bad dead christmas light bulb using a simple voltage detector duration.

Try replacing this bulb with a good one and see if the string lights up. Christmas light testers the most convenient way to test for faulty bulbs in a light string is through the use of a light tester. Reinstall it and see if it works. Use a light tester to test each bulb individually.

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. How to find a bad bulb in christmas lights. There s a way to test and fix the entire string of miniature lights without testing each bulb individually. 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.

Light testers search for the point in the string where the voltage changes between a good bulb with current flowing and a problem area with minimal current. Press down the black button hold the tip about 1 2 in.