PAC Radio Rentention Interface for Select '00-'13 GM Class II (24 Pin)The PAC Radio Retention Interface for Select '00 '13 GM Class II (24 Pin) is a dedicated wiring solution for GM Class II radios from 2000 to 2013. Its designed for installers upgrading or replacing factory radios in GM vehicles, delivering a reliable connection and straightforward compatibility. Brand: PAC Compatibility: Select '00 '13 GM Class II (24 Pin) radios Connector: 24 Pin GM Class II Purpose: Radio retention interface for GM Class II (24 Pin)