93 Quest, Villager radio PROBLEM!!! help

I am hooking up a Cd changer in my 93 villager and to make a long story short...............there is NO sound! everything is hooked up but no sound...

All the fuses are fine,everything pwr's up but no sound....Do these vans have amps or something? If so where are they located at?
thanks for any help

[email protected]