Ok well When they guy sold me this mustang all he left me with, as far as stereo system goes, was some cheap head unit and just the 2 factory tweeters. I would like to know if factory Ford 5X7/6X8 speakers, Came from a 2002 F150, would plug into where my speakers where supposed to be. Also the rear speakers still have the connector, so would they plug in? I know you guys might have no idea but any help would be great