HelloCustomer Open your glove box 1/2 way, hold the sides in to open it all the way and slide it out. You will see the resistor bolted to the hvac housing behind the glove box. Has a 5 wire harness going to it. It is held by two 5/16 bolts.
Need ant more info please ask.
I alwsys get them right from the dealer. Any dodge/chrysler/jeep dealer has plenty of them in stock.