For Harl-ey 4 pin to OBD2 Connection cable OBDii Female to 4 Pins Adapter 4 Pin obdii Cable Har-ley Motorcycle Motorbike Davidson etc Adapter to get Diagnostics info from Scanner or Cellphone OBD Har-ley 4 pin to 16 PIN for Har-ley Bikes. Adapter for Har-ley 4 pin to OBD2 female is designed to connect obd scanner, obdii code reader with built-in OBD2 Male to the diagnostic connector of Har-ley vehicles Android/iPhone Har-ley Da-vidson OBDII Cable ELM327, RPM Fuel Gauge Tachometer​. New cable for getting diagnostic information from your Har-ley on to your OBD scanner / Code Reader / ELM bluetooth. You connect one end to your bike and the other to a wifi/bluetooth adapter and then you have a wireless dashboard from your bike to your i-P hone/Android phone. Our adaptor allows the conversion from the 16 pin plug of the main interface to connect to your 4 pin socket on your Har-ley motorbike. Please check compatibility for your bike before purchase. package include: 1 x 4 pin to 16pin obd female adapter for Har-ley motorcycles