Sequential Shift Light wiring!!! HELP

  1. #1
    HI ALL, i hope sum1 can help!!
    i was bought a sequential shift sight for xmas. its not the best but thought id giv it ago, anyway it has three wire

    Red: 12V + VE (e.g. Battery (+) terminal)
    Green: 0V Earth (e.g. Vehicle Chassis or Battery (–) terminal)
    Blue: Signal Wire.




    this is was i was givin with it but im not sure on the BLUE wire..