Is there any way to check that? You think I should just get a aftermarket amp? How involved would that be?

Ok, this is my 1st post and I guess I'm kind of a noob. I've looked at other posts trying to find out what happened and I, along with a few other friends are stumped. I have an '04 with M&T. I recently tried to change out my factory speakers with Pioneer 6.5's Started off in the back, besides al...