Description: Compatible with GM cars made after 1996 Connectors: GM 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 Great materials adapter for superior flexibility and durability Kindly Note: this item is just an adapter, not a diagnostic scanner Specification: 12 pins to 16 pins Length: 40cm Weight: 104g Color: Black Package Includes: 1 x Connecting Cable