Update, my friend that was helping me today just called and said that he talked to another friend who is a stereo instlaler and he said the reason that the rio wasnt powering up may have been due to the fact that on some foreign cars the antenna is the ground and the ground wire that is on the harness is just a dummy wire. This would make sense because when we where trying to trouble shoot, when ever we would unhook the antenna on the old head unit it would lose power and when ever we would plug it back in it would power back up. We just never put the fact that it may be part of the circuit together with the problem. Maybe this will help somebody down the road.