Hi guys. I have ducato 250 , 2014 and I bought SDA-HU100-DUC - i try to instal this to my car. I have radio AVH-A3100DAB and i know that it is not good for full integration with this HUD - but internet says that HUD should works and showing the speed. But i can't find any clues how to connect it with Ducato Head Unit - it the wiring there is a blue and with pin connector but i dont know where to put it 
Please help
Please help 
