Bad Pin Connection – If your incandescent or LED rope light fails to turn on at all, the first place to check should be your pin connections. Cutting anywhere besides the cut mark will disrupt the circuit for that section of rope light and cause it to not light up.Click to see full answer. Consequently, how do rope lights work?A rope light is comprised of bulbs (LED or incandescent) spaced along a set of inner wires. Rope lights are divided into sections and are wired in “series parallel”. This means that if a bulb fails, only the section it is in will go dark; the rest of the rope light will stay lit.Also, why does only half a string of lights work? Don’t pull too hard on the wires. A loose bulb, broken socket or frayed wire is sometimes all it takes for the strand to malfunction. After taking down the lights, plug them in before storing them, to make sure they still work. The only tool you’ll need is a bulb tester in order to know how to fix Christmas lights. Likewise, people ask, why are my LED strip lights not working? Bad Pin Connection – If your LED strip light fails to turn on at all, then check your pin connections. If your RGB strip lights won’t change colors try flipping your strip light around and reconnecting it. Incorrect Power Source – Make sure to double check which power source your lights require.Do rope lights have fuses?Once in position, rope light can weather a wide range of weather conditions. Blown Fuse – Just like mini string lights, the commonly included power cord of 120-Volt rope light can blow its fuse. The plug on your power cord should have a section that slides out, allowing you to see and replace the blackened fuse.