The all-new 100% plug and play HD-05 series for 4 ½” gas tank mounted Harley-Davidson® models features a tach and speedo combo with a programmable shift light with gear indicator. This gauge also features vital readings such as engine temperature and battery voltage along with average fuel economy and a complete system of indicators to monitor your bikes vital signs. This plug and play kit fits directly into the stock harness and works directly in relation with your bikes CANBUS system.