Right, so in effect the ipad mini will still be able to track my location via gps, but aided by the cellular network when the signal gets bad. So the tom tom unit would be perfect then.
Okay, so in effect I could do without the SatNav, which is a good thing, because I may have struggled to install the ipad mini where my double din currently resides.
So in effect I could just connect my ipad mini to a USB input into the headunit and still receive digital audio, and charge the ipad as well.
Okay so that means getting a new headunit, but I'm not fussed about that, although I like the JVC it's a bit old and could do with an update.
So the routing goes like this.....
iPad mini > Head Unit
Head Unit > Audison
Audison > Amp's
If this is right I'll start heading out to find a suitable head unit!! (See there's help there after all )