any one can help on car cd player


im wanting to install a cd tape combo oem radio in my car it has reg tape deck car is cadillac seville 1996 both radios have same factory plug but cd replacement dont work
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Your situation seems easy for a good car audio store to troubleshoot, but difficult for audiogoners, especially via forum.
would not swear to it but I think radio in your car must be set up by dealer with tech II tool
Delco made a tuner/CD/cassette double din combo unit (Bose) in the early '90s. Might fit your Caddy. Ebay? Junkyard?