How To Fix A Blown String Of Christmas Lights

The christmas light tester will indicate which bulbs are bad and need to be replaced.

How to fix a blown string of christmas lights.

When using the hum tracer it is important to test only the wire that goes between the sockets. You can check for a blown bulb by plugging in the light set and checking for any bulb that isn t lighting. So at first check the fuse when lights show problem from being lit. But the latest led lights require one a tiny fuse.

Procedure to check and replace the blown fuses. So when the fuse is blown all the bulbs can t get electricity to be lit. Usually a string of christmas lights requires one or two fuses. Second test the christmas light bulbs with an inexpensive tester available where holiday lights are sold and online usually changing a problem bulb or tightening it will fix the entire strand.

One of these wires is the hot one is the neutral and one travels from light socket to light socket. To fix christmas lights if the entire string goes out start by unplugging the string and opening the fuse case which is the plastic box attached to the electrical prongs. In most christmas light strings there are three wires running the length of the string. Oct 21 2019 sally.

Unfortunately they are also notorious for being among the most finicky holiday decorations. Repairing these lights won t be easy but with a little determination and know how it can be done. You can also use a voltage tester or light repair tool to test the bulb sockets for electrical current in the dark section. One faulty bulb can knock out a whole section of christmas lights requiring a replacement with an identical bulb.

How to fix a string of christmas lights. Some christmas light testers work by having you slide each christmas light bulb through a hole.