Sitting watching a football game that I really don’t care aboot and scanning the net when I did something dangerous (thinking) I have four or five 12v puch lighting coils an started wondering if a 12v light coil and be used as a 12v ignition coil? Please don’t ask how I came up with this, I’m bored so you know how that goes. Something tells me someone else has asked the same but I can’t find a answer.