Metra WM-GM29-SWC Aftermarket Radio Data Interface and Harness General Motors 06-up

Brand new Metra WM-GM29-SWC GM Radio Interface.

* Connects aftermarket radio to select GM vehicles
* Retains steering wheel audio controls
* Keeps factory warning chimes & RAP (Retained Accessory Power)
* Provides navigation outputs (parking brake, reverse & speed sense)
* Supports non-amplified and analog amplified audio systems
* Maintains balance & fade functions
* 12V 10A accessory power output
* Micro USB updatable for future firmware updates
* Includes installation hardware
* Compatible with select GM vehicles (2006 & newer)