Fit for some cars do not have 16 pin connector, such as some old cars. And also fit for some 16 pin connector diagnostic tool to convert. It fit for any vehicle that has obd2 port. 16 Pin J1962 OBD2 Female Connector Cable Plug Pigtail DIY for Fixed Harness Assembled Plug Dash Port. Easy to install, no instructions needed, just make sure match pin location with old connector, match pin for pin, or wire for wire. Female connector to end 16 open wires ,with PVC jacket ISO standard copper alloy terminals. Cable Pigtail Length:60cm / 24". Package included: 1x 16 Pin OBD2 Female connector to Open wired Pigtal 16 cables