i have a new in the box axxess aswc-1 universal steering control interface.
works with most aftermarket radios that have a steering wheel control input, including jvc, pioneer, kennwood, eclipse, alpine and more
auto detects most vehicles(no programing is needed)
auto detects the aftermarket radio
up-datable to current systems
i paid $75 on crutchfield but does sell for around $45 on amazon, will ship for $40
pm me if interested