An electronic switch is associated with each ignition coil and has {HEAD ~ a trigger} which is operative in response to an applied trigger voltage signal to cause the switch to conduct and discharge the capacitor through {TAIL ~ the ignition coil} 
An electronic switch is associated with each ignition coil and has { HEAD ~ a trigger } which is operative in response to an applied trigger voltage signal to cause the switch to conduct and discharge the capacitor through { TAIL ~ the ignition coil }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL