Aerpro SWC Harnesses Connect OEM Steering Wheel Controls To Aftermarket Headunits. Steering Wheel Control Harness (SWC) adaptors allow use of a vehicles factory steering wheel audio controls with an aftermarket source unit by converting the commands to a code that an aftermarket head unit can recognise. Once you have your SWC harness selected to suit your specific vehicle, you then need to to select a patch lead based on the head unit brand and its connector. This steering wheel control harness suits SAAB 9-3 & 9-5 models. Features: Plug and play Retains the factory Steering wheel controls Specifications: Patch Lead Type: Type C Phone button compatibility: Yes Not compatible with vehicles with Automatic Transmission Connect Blue/White wire to enable factory amplifier Reverse (Purple/Violet): Yes Handbrake (Light Green): Yes VSS (Pink): Yes Works with Aerpro Secondary ISO Harnesses with Patch Leads Makes for easy D.I.Y. installation Vehicles Known to Work with this Product: Saab 9-3 2006-2011 Saab 9-5 2006-2007 Complete your installation with a suitable Patch Lead HERE or for a true 'Plug n Play' installation solution, check out our range of Aerpro Secondary Harnesses & with Patch Leads HERE.