my brother has a mercury cougar,i think its an 88,anyways,im only helppin him cuz i fell a littlle bad after leavin him in my dust the other nitewith my z,lol,but here goes,he has a pioneer cd hu,one of the cheaper models,and is tryin to get it to work in his new car,it worked in his truck,and it comes on when its in his car,just no sound will come out,cd's play also,whats the problem??he has tried two different wiring harness's and same results with both.thanks for your time,

 

Are you sure the speakers are there? =p

 

he probobly has premium sound. I need to know what the plugs look like. are they both the same size? or is one rectangular and the other a small square? tell me this and I'll be able to help. my e-mail is custm92@aol.com