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 CTHVX01 Control Harness "C type" Holden Cruze 2009 up Opel Astra 2012-2013 With chime retention speaker. For use with kits FP9021 or FP9021S
This product is also known to work in the following vehicles: Opel Astra 2012-2013 AS Holden Cruze 2009-2015 JG, JH