I just took the CD deck out, and see there is this line called "CD.C-IN" which is "CD Changer input cord" (according to the manual). Can I mod this line to be the AUX in? If so, how?

Link to the unit's online manual (in pdf format):
http://www2.panasonic.com/consumer-e...odel.CQ-C3200U
Thanks for all the comments so far