radio display and remote stalks not working?

[dazz100]

i have recently purchased a 2005 grand scenic
the car came with a aftermarket cd/radio fitted with stalk control and display not working
i have purchased a update list radio which i believe is digital output....i have got sound but no display or remote control?
as my car is a phase 1 i thought i better try the tuner list which i believe is analog...but i get nothing from this unit just a beep if i touch a button.

all the wires fit correctly on both radios and i have traced back to stalk to check for any damage...also checked fuse in glovebox i have also disconnected the display wiring hoping this might reset the display.

am i missing something out somewhere or could i possibly have a fault with the display dash(i can see temp and time no problems)

any other ideas would be appreciated