If you own a 2007 and later RAM truck with the 6.7L Cummins engine, there is a potential disaster waiting to happen. The air intake grid heater has a stud and nut assembly that takes 12 volt power from the battery and passes it to a metal strip that in turn energizes the heater. Over time, this assembly can literally melt and fall into the intake runner, making its way to number six cylinder. All