How do I make a light LED or Incandescent?

Under Lighting in BusSettings there is a list of lights

For Incandescent Lights

To make a light Incandescent change it to "INC", then go to the lights you want to be Incandescent duplicate it, make it neon, make sure it dose not glitch with the original part, then make the neon part transparency 1. Take the original part and move it out of the light model.

For LED Lights

To make a light LED change it to "LED", then go to the light you want to be LED; if there is a part that is neon and is transparent in front of the light delete it. Then take the back part put it into the light model, make sure its SmoothPlastic and transparency 0.