Ha yes, I have inertia reel seat belts sitting to be installed
The adapter I got works so the phone charges as well now.
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CableJive dockStubz Charge Converter and 30-pin Pass Through Adapter
https://www.amazon.co.uk/gp/product/...?ie=UTF8&psc=1
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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.
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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!