It has 2 female connectors . Once it's pluged in obd2 port , one female connector is upon the position of the original female obd2 port . The other female connector is with the extension cable ,and you can use it for GPS tracker or other obd2 device .
one side is obd2 male/female passthrough connector ,and the other side is obd2 female connector
It's very easy to use the cable . You only need to plug the cable to your obd2 port . Then we will get one obd2 female port in the original obd2 port posit ,and the other obd2 female is in the other side of the cable . Then you will be able to hide the cable inside your dashboard .
OBD2 Pass-Through J1962M/F to J1962F Ribbon Cable . The pin-out is full 16pins connected