I removed the radio from my 1991 Grand Am, and when I put it back in, the
> clock works, but nothing else? Doaes anyoneknow if there is a security
> feature on these things? Do I need a special code or something maybe? >
Maybe if you have something special, my '91 Grand Am doesn't. Upgraded to a radio with cassette player (!?) and no problems. I would say you forgot a plug so the speakers aren't connected. Can't remember the amount of plugs I needed, but it was plug and play for me.