Challenger melted wiring

Postby Peter Stillo (Peterstillo » 19 Jul 2002 16:41

I have looked at several used wiring harness for my 70 r/t. They all seem to have a melted connection for the Dimmer switch (hi/ low beam).Why are they all melted their? I looked at 3 harnesses + the one that was in my car.
thanks
Peter Stillo (Peterstillo