Christmas light fuses

Blown fuses are one of the biggest culprits of broken Christmas lights — especially if the entire chain of lights is non-functional. The good news is that they can easily be replaced!

With the plug in hand, slide the door marked "Open" in the direction pointed by the arrow.

Remove the two fuses, and inspect them by looking at them up against a bright background (such as the sky).

If the fuse is good, you should see an unbroken strand of wire running between the two metal contacts.

Replace all blown fuses with new ones.

If a specific section of the lights isn't working, there might be a bad bulb, or a bad connection between the bulb and the socket.

Bulbs are generally made to not break the whole chain if the bulb burns out, but sometimes a manufacturing defect will prevent the bulbs from maintaining the electrical connection for the rest of the lights.

Gently grasp each bulb, and pull away from the socket.

Inspect it and ensure that the two bulb copper leads are in their proper location, and not twisted or mis

how to replace fuse in christmas lights strand

how to change fuse in christmas light string