Cadillac Repair: cadillac Radio, fuse box, clock works

Question
I have a 1988 Sedan DeVille. The clock works but the radio will not turn on. I have tried two other radios with the same result. They will not turn on at all, they don't see to be getting any power. I have checked the fuse box and switched fuses. I cant figure out what I am missing? Thanks for any help!

Answer
what kinmd of radio ?.

Delco Bose without cellular telephone ?.
Delco Bose with cellular telephone ?.
Radio and digital clock with stereo and ETR ?.


Check fuses 4 and 11. can you e-mail me a picture of the radio ?. e-mail to: onlineautohelp@msn.com