easy peasy lol . all ya got to do is take the front of the head unit , then find some cat 6 data cable , and get from alpine the two parts that join the head unit to the face , then sit with a solder iron and magnifiying glass and solder the connections and match them both sides . with out makin the solder touch between the tracks , takes a good hour to solder , but the joys of workin in a stereo
shop , so did it in me lunch break , and then re trimed the head lining , in black alcantara