Originally Posted by Corsairprime

Got the Metra 70-7553. Did the rewire. Used extra pins from my other Harmony audio harness to connect the SWC inputs. Great results. Audio levels are now normal. Big thanks to Bigaudiofanat. For a simple HU replacement, still well under $1k, I am very happy the way it turned out. Not alot of effort required to carry this out. Just be able to solder/heatshrink to connect simple wire harnesses together. All the other options (camera, backup cam...) are cake compared to the base HU install.

DIY is the way to go on this. You will definitely know your system when you are done modifying it.