I found this old radio from my 98 Neon, and I had the idea to turn it into a radio for the garage.

Does anyone have a wiring diagram for the two 7-pin connectors on the back of this unit?

http://www.installdr.com/Harnesses/DCP-Wiring.pdf

you rule. thank you so much

That is the connectors, so dont forget they will be reversed on the cd player.