WIRING INSTRUCTIONS From the aftermarket radio to the wiring harness: 12-pin pre-wired ASWC-1 harness:
![Amazon.com: Metra Axxess ASWC-1 Universal Steering Wheel Control Interface & 70-7552 Radio Wiring Harness For Nissan 2007-Up/Select Subaru 2008-Up : Automotive Amazon.com: Metra Axxess ASWC-1 Universal Steering Wheel Control Interface & 70-7552 Radio Wiring Harness For Nissan 2007-Up/Select Subaru 2008-Up : Automotive](https://m.media-amazon.com/images/I/41t9U-lCqzL.jpg)
Amazon.com: Metra Axxess ASWC-1 Universal Steering Wheel Control Interface & 70-7552 Radio Wiring Harness For Nissan 2007-Up/Select Subaru 2008-Up : Automotive
![Customer Reviews: Axxess ASWC-1 Steering Wheel Control Adapter Connects your car's steering wheel audio controls to select aftermarket car stereos at Crutchfield Customer Reviews: Axxess ASWC-1 Steering Wheel Control Adapter Connects your car's steering wheel audio controls to select aftermarket car stereos at Crutchfield](https://images.crutchfieldonline.com/products/2013/32/120/g120ASWC1-o.jpg)
Customer Reviews: Axxess ASWC-1 Steering Wheel Control Adapter Connects your car's steering wheel audio controls to select aftermarket car stereos at Crutchfield
![Metra GMOS-04 Wiring Interface Connect a new car stereo and retain OnStar®, the audible safety warnings and chimes, and the Bose® audio system in select GM vehicles at Crutchfield Metra GMOS-04 Wiring Interface Connect a new car stereo and retain OnStar®, the audible safety warnings and chimes, and the Bose® audio system in select GM vehicles at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/trim/620/378/products/2022/31/120/g120GMOS04-o_other0.jpg)
Metra GMOS-04 Wiring Interface Connect a new car stereo and retain OnStar®, the audible safety warnings and chimes, and the Bose® audio system in select GM vehicles at Crutchfield
![Metra 70-8114 Steering Wheel Control Harness Install the Axxess ASWC-1 steering wheel control adapter in select 2003-15 Toyota vehicles without splicing (requires item #120ASWC1, sold separately) at Crutchfield Metra 70-8114 Steering Wheel Control Harness Install the Axxess ASWC-1 steering wheel control adapter in select 2003-15 Toyota vehicles without splicing (requires item #120ASWC1, sold separately) at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/trim/620/378/products/2016/2/120/g120708114-F.jpg)
Metra 70-8114 Steering Wheel Control Harness Install the Axxess ASWC-1 steering wheel control adapter in select 2003-15 Toyota vehicles without splicing (requires item #120ASWC1, sold separately) at Crutchfield
![Amazon.com: 20-pin Headunit/Radio Wiring Harness with Steering Wheel Switch Wires Compatible with Subaru/2007-2019 Nissan | Upgraded Version of The Metra 70-7552 | Harness Includes VSS and SWC pins : Electronics Amazon.com: 20-pin Headunit/Radio Wiring Harness with Steering Wheel Switch Wires Compatible with Subaru/2007-2019 Nissan | Upgraded Version of The Metra 70-7552 | Harness Includes VSS and SWC pins : Electronics](https://m.media-amazon.com/images/I/51QPKtACcpL.jpg)
Amazon.com: 20-pin Headunit/Radio Wiring Harness with Steering Wheel Switch Wires Compatible with Subaru/2007-2019 Nissan | Upgraded Version of The Metra 70-7552 | Harness Includes VSS and SWC pins : Electronics
![Axxess ASWC Steering wheel control interface — connects your car's steering wheel audio controls to an aftermarket stereo at Crutchfield Axxess ASWC Steering wheel control interface — connects your car's steering wheel audio controls to an aftermarket stereo at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/trim/620/378/products/2012/11/120/h120ASWC-f_ACH.jpeg)