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
AD Harness to suit Hummer, Chevrolet
Must be used with AXADBOX1 or AXADBOX2
- H2 2003-2007
- H3 2006-2009
- Avalanche 2003-2006*
- Silverado 2003-2006*
- Suburban 2003-2006*
- Tahoe 2003-2006*
(AXADGM03)