Some One Please Help!

i just bought i headuint out of a 97 camaro, for my T/A and the radio won't work, all i get is static, cd player works and controls work!.

this might not be it but sometimes its the little things maybe you forgot to plug in the antenna or it fell out when you where trying to put back in the dash

well what is weird is that when i plug the aftermarket one back in, the radio works, it is so weird.