- Retains factory features in select GM Class II Data Bus vehicles while functioning with an aftermarket radio.
- Supports Bose, Monsoon and Y-91 audio systems.
- Retains chime functions.
- Built-in chime volume adjustment
- EIA color coded wiring for easy installation.
For installation of after-market radios.
This product Does Not retain Onstar. Please select SONGM-11 to retain all factory features and OnStar