21. HEI is characterised by the incorporation of the ignition coil built into the distributor cap for most applications. 22. We know that some ignition coils installed in our cars are not up to our high quality standards, 23. The ignition cassette houses four ignition coils / transformers whose secondary coil is direct connected to the spark plugs. 24. EEC-III uses a Duraspark III module ( brown grommet where wires emerge ) and a Duraspark II ignition coil . 25. When the trucks were running, the current flowing through the ignition coils produced a large and easily detectable flux. 26. Mounting the receiver in the Heyford was not a trivial task; the standard ignition coil taken from a Ford. 27. The contact-breaker fed two ignition coils , each of which had a lead to its spark plug without a distributor. 28. Some designs using an EMS retain the original ignition coil , distributor and high-tension leads found on cars throughout history. 29. Notable exceptions are the Saab 92, some Volkswagens, and the Wartburg 353 which have one ignition coil per cylinder. 30. Some distributors have an ignition coil built inside them, eliminating the need for a separate coil wire, e . g.
