Chances are the connector (If it was available) from Mopar will cost more than $30.
This is all I see for '05:
Print
COMPACT DISC CHANGER - BLACK 8 WAY
Mopar Package #: Not Available
Cav Circuit Gauge Color Function
1 24 GY/WT AUDIO OUT RIGHT
2 24 OR/TN PANEL LAMPS DIMMER SIGNAL
3 24 VT/YL PCI BUS
4 24 RD FUSED IGNITION SWITCH OUTPUT
5 24 DG/WT AUDIO OUT LEFT
6 24 BK/OR GROUND
7 22 BK/TN GROUND
8 22 GY/YL B(+)
http://connectors.dcctools.com/home.htm