Hey, I need some help. No one laugh, I am new at all of this stuff. I have an old sony headunit, an 800 watt explod amp and two jl 10WO subs in truck boxes. My headunit powers up but then no I only hear the bass from my subs. I have checked the wiring and it all seems to be tight, It comes on for short periods and then shuts off again. Is my headunit a piece of **** or what. any suggestions would be appreciated. thanks in advance.//content.invisioncic.com/y282845/emoticons/banghead.gif.8606515f668c74f6de0281deb475b6fd.gif