can anyone help with wire colours to back of radio?

help!!!! got a renualt megane (1999 march first reg) has a philips rds cd radio, model no. 22DC459/62L but no cd changer fitted. managed to get an original changer for year of car but came with wrong lead, has square blue 8pin connector but back of radio has 9pin slot (with 5pins on top row and 4pins on bottom row with space in middle of bottom row. can someone help with colour of wires to each pin? thanks