Ha yes, I have inertia reel seat belts sitting to be installed
The adapter I got works so the phone charges as well now.
CableJive dockStubz Charge Converter and 30-pin Pass Through Adapter
It hooks in between the 30pin input and the lighting adapter with a micro USB input to supply extra power. As it turns out however it didn't need the extra power hooked in to make it work.
So if you've got an old Pioneer setup this is how to get your new iPhone working with it
The silly thing is the adapter cables are more than the iPod interface!