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