12 Pin OBD1 to 16 Pin OBD2 Auto Car Diagnostic Convertor Adapter Cable Fit For GM $ 12.99 Features: Made of high quality ABS plastic diagnostic connector cable, very durable in using. Connectors: 12Pins OBD1 male connector; OBD2 16pins female connector. Used for connecting OBD II scanner and vehicle with this 12 pin connector which is specifically for GM. Compatible with GM cars made before 1996. Utilized eco-friendly materials, reduce environmental pollution. Specifications: Material: ABS plastic Color: Black Package Weight: 107g Package Included: 1 x Diagnostic Connector Cable