What type of spark plug wires should I use? Matt May 23, 2018 18:26 Follow The Dyna 2000 Series ignition requires a good quality suppression core / resistor wire for optimum performance. Use of a copper core wire may result in poor or erratic performance, unless used with the stock resistor plug cap. Related articles What coils should I use? If my particular model is not listed in the applications section, can I adapt on to my model? What type of spark plug wires should I use? Comments 0 comments Please sign in to leave a comment.