Is there any reference data I can look at to find out what these numbers mean and what year and make of cars this radio came out of????
The Numbers are:
FCC Data Model Number GM2700-M1
Service Referance Number 90BPK2
Part Number 16001650
Serial Number 020394
GM DELCO
Thanks Mark

Try over here.

http://www.chevelles.com/radiotech/tags.html

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