There rear glass is different 97-02, 03-06. My understanding the difference is due to the wiper motor. I assume the holes are in a different location or a different size.
If you do purchase the Mopar wiring kit, you have to get it for the year of the jeep.
2003 TJ, 33" BFG AT, 2" BL, 2" BDS spring lift, 55w DDM HIDs