Metra WM-GM29-SWC Aftermarket Radio Data Interface and Harness GM 06-UP

New Metra WM-GM29-SWC aftermarket radio data interface and harness for General Motors 06-Up. When replacing the OEM radio with an aftermarket radio some features are lost with Metra's WM-GM29-SWC interface most of those features get retained. This interface with connect an aftermarket radio to the OEM vehicle and communicate with the data system. This interface will provide and retain 12-volt accessory power, provide navigation outputs, retain chimes, retain steering wheel controls and retain balance and fade. This interface will work in non-amplified models in select Buick/ Cadillac/ Chevrolet/ GMC/ Hummer/ Pontiac/ Saturn 2006-up. The WM-GM29-SWC is a great option for anyone who wants to upgrade their factory radio without losing any of the features they love. It is easy to install and comes with all the necessary hardware. New Metra WM-GM29-SWC GM Radio Interface Provides accessory power (12-volt 10-amp) Retains R.A.P. (retained accessory power); Provides NAV outputs (parking brake, reverse, speed sense); Retains chimes; Retains audio controls on the steering wheel; Can be used in non-amplified, or analog amplified models; Retains balance and fade; Micro “B” USB updatable