i rebuilt a 92 mustang with my uncle but he left early to iraq. so i have the car to myself now. what did was change out all the fuel lines power stearing lines brake line etc... we put in a explorer 5.0 motor and converted it to mass air. i took out the 4 cyl car harness and got one from a 91 gt and put it in mine. hooked up pretty much everything that i could. starter relay is hooked up running a cable to the starter. hooked up a battery and hooked up cables, tried to start start up. but nothing at all happened no lights or sounds. im pretty much in a jam right now. so any help would really be appreciated. thanks 
