Hey everyone I'm new to the site. And i am in need of advice. I have a 2001 f150 just got a new cd dvd do it all head unit and I've ran in to a prb. I have no sound. I have a wiring harness and everything is wired right.but there is two oem plugs out of the dash but the addapter only wires to one. My truck is a lariat and may have factory amp but I can't find one. I drive for hours to and from work every week and need some tues anyone help.