Steering Wheel control Primary harness adapters convert the commands from your car's steering wheel controls to a code that an aftermarket radio can recognize. A patch lead is also requires for SWC type systems based on the brand of head unit you have. for more details check out our you tube video. http://aerpro.com/video/control_harness_installation CHSU1C 2007-2011 CONTROL HARNESS C FOR: Subaru Impreza 2007-->06/2010 Subaru Forester 2008-->
Replaces CHSU2A
This product is also known to work in the following vehicles: Subaru Impreza 2007-2011 GE, GH, GR, GV Subaru Forester 2008-2012 SH Subaru WRX 2007-2014