heres the deal i got a 93 SC and it has a radio on top and a factory cd player on the bottom and neather of them work the lightsd lite up and everything but bo music let me no if you no anything...
Open the trunk and see if the speaker harness is plugged into the amp. if so, pull the radio and see if the speaker harnes is plugged into the back of the radio.
In the trunk, the amp is located on the package shelf.