Connects to the bikes data bus and outputs traditional analog signals for a gauge of your choice Outputs provided for accessory power and ground, tachometer signal (adjustable for 1, 2 or 4 cylinder outputs), speedometer signal (8,000ppm) in addition to the Check Engine signal, normally only available on the data bus In addition to wired outputs, is a digital readout which allows for both reading back and clearing diagnostic trouble codes, similar to a scan tool Allows you to interface universal Dakota Digital and most aftermarket Speedometers and/or Tachometers with the data bus signal created from the stock Harley-Davidson.