ok well i just picked this car up a few days ago off my cousin and my sis owned it befor he got it. when she had it she had best buy install a pioneer cd player the deal so you can still use the steering wheel controls and to 12's. just so happens that after about 3 or 4 years of it having no problems with it when i get it the cd player takes a crap so tonight i took the working cd player out of my jeep and put it in the gp well the subs work but nothing els i have been going over and over everything trying to figure out what is going on but no luck any help would be much appreciated brandon