Christmas Light Bulb Tester Instructions

Over at wikihow i found this tutorial on how to make a mini christmas light bulb tester.

Christmas light bulb tester instructions.

If the same neon bulb lights then the problem is in the second half of the set. Remove a bulb from an unlit section plug the empty socket into the connector plug the string into an electric outlet then squeeze the trigger until the lights turn on. Lights should kick. Learn how to use your light keeper light tester to solve problematic lights.

To use the light tester remove the battery cover and insert. Test 100 incandescent light tester instructions plug the light tester into a standard 120 volt outlet and flip up the on off power switch. Pull out one bulb at a time and stick a piece of folded up foil into the bulb socket. An led light on the unit stays lit when it detects a hum.

Plug in both the tester and the bulb set. Instructions on use and care of the christmas light tester are included. Place the electric cord next to the d battery. Push in and release the large red button.

You start at the plug and follow the wires of the christmas lights into and out of each socket. One of 4 things should happen. Adjust the spacing between the two prongs to be the width of one of the light sockets in the christmas lights. If the lights come on you know that s the bad bulb.

Move halfway down the set and insert the probe again. If they don t put the bulb back in and move on to the next one. Instead of going out and buying one of those fancy light testers that don t seem to work like they should try this to test your mini lights and see if they work and need to be replaced. There s a way to test and fix the entire string of miniature lights without testing each bulb individually.

If the light doesn t light then the bulb was bad. Carefully splice the cord down the middle so you have two separate pieces that are still attached to the plug. If you don t have any replacement bulbs you can leave the foil in until you do. The christmas light tester comes with 2 lr44 watch batteries.

Insert the tip of the tester s probe into the wire hole in the base of the first bulb. Now plug the christmas light bulb into the tester and see if it lights.