2014 Charger adding factory heated seats
 

I was wondering if anyone knows what other parts I need to add factory heated seats to my 2014 Dodge Charger. I already have the radio brick 8.4 unit programed to turn on and off the driver and passenger side heated seats. I have the module from Chrysler and the back and seat heat cushion pads. I am trying to find what else I need as far as wiring harness to get the car to talk to the module. I'm not sure if I also need to get new wiring harness for the driver and passenger seats or not and I also looked into if I may need a whole new vehicle wiring harness or not. Thanks