For what it's worth...
Credit to The12Volt.com forum:
http://www.the12volt.com/installbay/forum_posts.asp?tid=132259
Radio 12V red/yellow + radio, 16 pin plug, pins 15 and 16
Radio Ground brown - radio, 16 pin plug, pin 12
Radio Ignition (Infotainment CAN)
Radio Illumination (Infotainment CAN)
Factory Amp Turn-on (Infotainment CAN)
Power Antenna N/A
Left Front Speaker (+/-) brown/green - brown/blue or green - brown +,- radio, 8 pin plug, pins 3 and 7
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are brown/green - brown/blue (woofer); blue/black - white/black (midrange); white - white/black (tweeter) at the amplifier, 38 pin plug, pins 18 and 6; 13 and 14; 8 and 20.
Right Front Speaker (+/-) brown/red - brown/black or blue - brown +,- radio, 8 pin plug, pins 2 and 6
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are brown/red - brown/black (woofer); red/gray - brown/gray (midrange); gray - gray/black (tweeter) at the amplifier, 38 pin plug, pins 15 and 3; 12 and 11; 19 and 7.
Left Rear Speaker (+/-) red/white - brown/white or white - brown +,- radio, 8 pin plug, pins 4 and 8
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are red/white - brown/white at the amplifier, 38 pin plug, pins 9 and 21.
Right Rear Speaker (+/-) red/purple - brown/purple or yellow - brown +,- radio, 8 pin plug, pins 1 and 5
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are red/purple - brown/purple at the amplifier, 38 pin plug, pins 22 and 10.
Center Channel (+/-) N/A
Subwoofer (+/-) white/red - brown/red (1); gray/red - gray/brn (2) +,- amplifier, 38 pin plug, pins 16 and 4; 5 and 17
If equipped, the amplifier is under the driver seat.
Aux. Audio Input Left (+/-) yellow - green +,- radio, 12 pin plug, pins 1 and 2
Aux. Audio Input Right (+/-) gray - green +,- radio, 12 pin plug, pins 7 and 2
Cheers,
Aaron