ok heres the deal, i want to get 2 undercar light kits, one red one blue, and install both of them normally,and have a switch for each inside the car. but heres the problem, i want a switch and/or knob that will turn them both on, but alternate between them, so it would be red, blue, red, blue..... and the knob increases the speed of the alternating, but i have no idea what piece i would need and how to do this. has anyone got the name of the part or a link to a site that has it, or any ideas on how to make it work?
