- Data ByPass for GM Automobiles
- Provides accessory (12 volt 10 amp)
- Retains R.A.P. (retained accessory power)
Axxess GMOS-10 03-Up Cadillac CTS-SRX Harness Adapter with Ostar. The GMOS-10 interface is designed to allow the user to replace the OEM radio with an aftermarket unit in 2003-2006 Cadillac CTS and SRX and retain full functionality of the Onstar system as well as all safety and warning chimes. The GMOS-10 will also retain the retained accessory power convenience features. This interface has the capability of adjusting chime and Onstar volumes as well.