Audio Systems: 20002 chevy cavelier aux mod, chevy cavelier, auxiliary input adapter

Question
Hey i saw you were adding an aux in to your 20002 chevy cavelier's radio I aim to do the same thing, but I cant find any info on the innards of my radio. here's some pictures of the inside http://www.instructables.com/answers/Modding-a-radio/

the radio's part number is 10309459 default delco radio all the IC"s are from phillips but that's all i knwo about them.
All I need to know is where to solder in 3 wires haha, it's stupid i have to spend a whole day looking for info on 3 wires :C

Answer
You might want to use this kind of adapter:

http://www.oemautosound.com/pc-296-83-pie-gm12-auxv2-chevrolet-auxiliary-input-a

or others that you will find at crutcfield.com or installer.com if you can't determine the input to the ic chips on your own.

Best wishes.