This Y Splitter connector for add device in your car, it can be hidden tucked up under the dash,and it allow the mechanic to still use diagnostic test without having to unplug the device. OBD ii Y Spliiter cable 1 male to 2 female allow you connect tuner and any diagnostics or programming tool at the same time. It's great for concealing a fleetmatics, telematics, and family device It allows you to continue to use your OBDII port in its original position on your car and also allows you to have an open port and mounts underdash in the existing OBD2 underdash location Cable Length:50cm/20inch/1.6feet. AWG:26awg. Pin-out: full 6pins connected