Christmas Lights Not Working

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.

Christmas lights not working. See our post about. Christmas lights often burn out the moment you unplug them so the problem often goes unnoticed. Fixing strings of christmas tree lights is surprisingly easy. More than likely your lights are not working for one of the following reasons.

The wiring is damaged. You re not crazy those lights did work last year. The best option is to use either an electrician s multimeter or a tool specifically designed for repairing christmas lights such as the lightkeeper pro. Start by checking for a blown fuse a common problem with a quick and easy fix.

When working correctly there is a wire shunt in the string that bypasses each of the individual light bulb sockets. Some christmas light testers work by having you slide each christmas light bulb through a hole. There is a chance the shunt wires in the light string are faulty. This can be caused by aging tugging too hard during installation or storing or by chewing animals.

This is especially true if only a section of your lights has gone out and none of the bulbs are missing. There are several ways to repair your lights depending on the problem and how hands on you re willing to get.