Originally Posted by psieg2

So my original solution (I started this thread) worked great, other than a lot of cables in my center console, which is a bit inelegant and bothersome, so I kept looking.

Here is my new solution that eliminates most cabling, and seems to work just as well.

USB Bluetooth 3 5mm Stereo Audio Music Receiver Adapter Fr Speaker iPhone 4 4S 5 | eBay

Also has the added benefit of costing less than $10.

Not certain I can improve on this...