These are most likely corona traces due to Eddy Currents caused by termination ringing.jeff3223 wrote:I have a 2004 G35x and found a small leak on the underside of my car. It is one of 3 lines that run parallel to one another on the passenger side of the car, just in front of the floorboard. Any idea what these three lines are? It seems to just be water leaking, but I am not sure... Any suggestions are greatly appreciated!