OBD1 12Pin to OBD2 16Pin Scanner Diagnostic Tool OBD II Adapter Cable For GM
● Connectors: GM 12 Pins OBD1 male connector; OBD2 16 pins female connector. Device Type: 12 Pin To OBD2 16 Pin Convertor Adapter. ● Used for connecting OBD II scanner and vehicle with this 12 pin connector which is specifically for GM.