If that's not the problem, it could be a loose or broken bulb. See the previous section for instructions. Some LED string lights have non-removable bulbs. Contrary to what you might think ...
LED Keeper is a special tool that fixes LED string lights with a broken circuit. It pierces the insulation of the wiring and connects the copper within the set wires on LED strings. Doing so ...
DENVER (KDVR) — It’s time to pull down those dusty bins and hang up your holiday lights, but after a year in storage, you might find that some of your lights are broken or burned out.