zx2 doors speakers not working

my back speakers work fine but my door speakers dont work and iv looked at the front and back on the redio and on the fade thing still no sound out of the front i have pulled the panels off and there are speakers ther because i bought more speakers to go in there hook them up and those still didnt work

Well the first thing to do would be to pull the door panels and see if you actually have front speakers in the car.Someone may have removed them.