i have an 87 rx-7 with the eqaulizer/tape deck/am/fm. i hooked my sony headunit up in place and it worked fine, but i was going to put in my eclipse head unit to replace it and not it doesnt work. then i hooked the sony back up too see if it was the eclipse buts it not. now neither of them work can some one help?

 

Could be a million things. But is sound like you blew a fuse, missed a connection, or messed up some wiring.

 

If not your fuse check to make sure you have a good ground.

 

wucrew I see you are from PA where at in PA?

 

Agree with turbotwista.