Ignition Coil Driver Wiring Diagram

Ignition coil wont spark from mosfet but does spark by hand. The transformer typically has only a dozen or so turns on the primary but many thousands on the secondary. Ignition coil driver schematic.

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I also include details of how i wired the circuit.

Ignition coil driver wiring diagram. Dec 10 2016 automotive wiring diagram resistor to coil connect to distributor wiring diagram for ignition coil. From my recollection it delivers a nastier spark than the legendary ford model t ignition coil. 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. It is very com.

Wiring diagram for ignition coil. I checked continuity in the coil driver wire from the 4 cylinder coil connector to the pcm and there is continuity with no resistance. I realise there are many videos of relay driven. This ignition coil driver is a hot one.

The circuit uses an inverted 555 oscillator that is coupled to an on semiconductor bu323z darlington transistor 350v 10a that drives a conventional inductive discharge ignition coil. Cool tech gadgets latest gadgets project site computer help circuit diagram ignition coil metal detector electrical engineering high voltage. This is my ignition coil driver using a 12v 40a car relay and including a 500v 22uf capacitor. Super simple ignition coil drivers.

An ignition coil or spark coil is nothing more than a low frequency auto transformer with a relatively high turns ratio. So the coil driver wire seems to be fine.