I just got home and when I shut off my 64 Dart I noticed the ignition switch felt warm to the touch. The heat was not on in the car and the switch in the 64 is not part of the column. So it’s not engine heat. I got up under the dash and the wires that plug into the back of the switch are really warm-hot as well. The plastic connector that plugs to the back of the ignition switch was warm too. I checked all the rest of the under dash wiring and it is fine (cool to the touch). What could cause this kind of problem?