OBDII Extension Cable Full 16 Pin Male to Female For Launch X431 iDiag/Easydiag 3.0/X431 M-Diag/X431 V/V+/5C PRO/ThinkDiag. Obd2 16pin male to female cable compatiable for any car model with OBD interface, and most of the market The OBD2 diagnostic interface for gasoline and diesel.