Amazon.com: PAC Premium Amplifier Add-On/Replacement Radio Sound System Interface Kit GM - PAC AOEMGM1416 : Electronics
Customer Reviews: PAC RP5-GM11 Wiring Interface Connect a new car stereo and retain OnStar®, factory amp, and steering wheel audio controls in select 2000-14 GM vehicles at Crutchfield
PAC – Connecting cars and technology. Your total installation solution.
PAC SWI-RC Steering Wheel Control Adapter Connects your car's steering wheel audio controls to select aftermarket car stereos at Crutchfield