Connectors: GM 12Pins OBD1 male connector; OBD2 16pins female connector. 1 X OBD1 12 pin to OBD2 16 pin Convertor. Connector 1：GM 12Pins OBD1 male connector. Type：GM 12 Pin To OBD2 16 Pin Convertor Adapter.
12 Pin OBD1 To 16 Pin OBD2 Convertor Adapter Cable For GM Diagnostic Scanner US
GM 12 Pin OBD1 to 16 Pin OBD2 Convertor Adapter Cable For Diagnostic Scanner US
1Pc 12 Pin OBD1 To 16 Pin OBD2 Convertor Adapter Cable For GM Diagnostic Scanner
