Ignition Coil Driver Wiring Diagram

This video concentrates on coils from an electronic point of view and reading wiring diagrams. I checked continuity in the coil driver wire from the 4 cylinder coil connector to the pcm and there is continuity with no resistance. As the basic of this laser diode driver this circuit uses a howland current pump with a current booster.

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It is very comparable in design to the pulse transformers used in other appliances such as fence chargers well suited for high voltage bursts.

Ignition coil driver wiring diagram. Ignition coil distributor wiring diagram size. The transformer typically has only a dozen or so turns on the primary but many thousands on the secondary. 800 x 600 px source. I realise there are many videos of relay driven.

The coils which are the basis for ignition coils and alternators have very specific electronic. So the coil driver wire seems to be fine. Here is the schematic diagram of the circuit. This is my ignition coil driver using a 12v 40a car relay and including a 500v 22uf capacitor.

Compared with a a switched pwm drivers this simple linear laser diode driver provides cleaner drive current. I also include details of how i wired the circuit. An ignition coil or spark coil is nothing more than a low frequency auto transformer with a relatively high turns ratio. With the engine running i am getting a reading of 13 4 13 5 volts on every coil connector by disconnecting one connector at a time and probing the power feed wire.