Originally Posted by Corsairprime

Yes, soldering the Dash kit wiring to the HU wiring is the magic here. I know, restating the obvious. It just depends on Bose or No-Bose. My thoughts are, if No-Bose. Do not solder the amp trigger wires together. Someone else can confirm or deny this for me. The Steering wheel controls are optional, kind of. But useful to have.

The only reason I say this is, it'll mean wire cutting in the dash to make the steering controls function. it's a tight space and the wires are tiny. I wanted to maintain the ability to re-install the factory Crap HU if needed. A personal preference.

Take it with a grain of salt.