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