Wiring an alpine cdm9807 rb to a citreon berlingo...

Question

How do i do it please? Ive earthed it and also connected battery lead to positive on van battery. Buttons are lighting up on car stereo but nothing on main screen. Theres an orange wire; 'illumination', a pink and black wire; 'audio interrupt' and a blue and white wire; 'remote turn on' all no being used, perhaps one of these three is supposed to be connected? can anyone help? Many thanks.