How to connect a 5 wire Harley LED tail light
The 5 wires to hook up the tail light and directionals. The tail light should take 3 wires. There should be a common ground which is the black / white wire. The white/ black wire and the brown wire are for the tail light(BR) and brake light (W/B). Easieset way is to take a test light to each of the wires. turn the ignition on, connect the test light to the wires one at a time. There should only be one wire that lights (tail light) then press the brake, there are two of those that should come on. Your original had two white/black wires because there were two bulbs in the original tail light. I would just use one white/black and cap the other one. Hook two to the tail light (W/B, Br) plus the black / white wire to ground of your new light. Then turn on one directional and there should be one that blinks with the test light and then the same for the other directional. wire one each to left and right plus to the black/white wire if each directional requires the ground.
My tail light wires are black,, blue and red/white stripes , 2001 Road King police. , which is for brake light?
