Reply To: Adding LED Spark Plugs to a Radial Engine Kit Shop › Forums › Build Threads › Adding LED Spark Plugs to a Radial Engine Kit › Reply To: Adding LED Spark Plugs to a Radial Engine Kit February 24, 2020 at 1:15 am #68 DonKeymaster All wired and ready to go. I taped of the power supply for the case lighting, a 9 volt battery would also work.
