Metra BY-FD01-SWC stereo data interface and wiring harness for select Ford/Mercury/Mazda/Lincon 2007-2016 models. When replacing the OEM radio with an after market radio some feature are lost. With this interface most of those features are retained. This interface will provide and retain 12 volt accessory power, provide navigation outputs, retain steering wheel controls, and retain balance and fade (excluding Sony/THX). This interface will work in non-amplified models.