Re: 3 wire turn signals to 2 wire LED lights
you should have three wires, Power Ground and signal, you do not need a constant power going to the L.E.D turn signals. so turn your key on and find out witch wires are constant power and cap them off, Find out witch wire is your ground and connect it to the black wire of your new lights, connect the last wire you have left to the red wire of your new lights, you cannot have any of the front or rear "marker" or constant power wires hooked up to any of your new lights ( i take if your using all L.E.Ds) because you will have to put both constant and signal together now this will cause them not to flash and or it will cause your lights burn out prematurely, If you dont want them to flash so fast you will have to wire in resistors some do some cant be bothered. I had the problem on my bike took me a few minutes to figure out that both front and rear signals on each side are wired together somewhere so if you have the constant power hooked up to one it will turn the other on.
note it is also a good idea to cut the factory plugs off the factory turn signals and wire them onto your new lights so you can remove them with ease