I am doing an install with a pioneer avh p6400 cd and i had a few questions if any one could help. My questions are: all that i h ave is the actualy unit (no brain if needed) and a dvd player no mounting gear no harnesses nothing. Here is what i think is needed, wiring harness, cage and mounting materials and rcas for unit to dvd. Does any one know if this unit needs a brain? thanks again for any help
