Metra GMOS-06 00-05 CADILLAC ONSTAR HARNESS
* THE GMOS-06 Interface is designed to allow the user to replace the OEM radio with an aftermarket unit in amplified GM vehicles and retain full functionality of the Onstar system as well as all safety and warning chimes. The GMOS-06 will also retain the accessory power convenience features. This interface has the capability of adjusting chime and Onstar volumes as well. In addition to these features the GMOS-06 now has the required outputs for the installation of a navigation radio for the 1997-2001 Cadillac Catera and the 2000-2005 Deville
* Retains Onstar with adjustable level output
* Retains chimes with adjustable level output
* Retains R.A.P.
* Navigation outputs now included except 1997-2001 Cadillac Catera
* USB update interface compatible.