Secondary Ignition System - (Spark) High Voltage Side Of The Circuit
Secondary Ignition System – (Spark) High Voltage Side Of The Circuit

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The secondary ignition system circuit is; between the ignition coil and the spark plug.

So, A secondary ignition circuit consists of three components.

The three components are:

  • Ignition coil
  • Distributor
  • Spark plug

So, Over the years, secondary ignition systems have changed. Consequently, to make the systems more reliable; durable and adjustable; to suit the needs of modern engines. These days you can get both electronic ignition systems; and distributorless ignition systems.

The electronic system has an (ECM); controlling the opening and closing of the primary circuit. As a result, This means that the cam in the distributor; which often wears out, could be removed. As a result, These systems create a stronger spark.

So, The distributorless ignition systems benefit from not having moving parts.

As a result. removing common issues like:

  • Engine drag because of the distributor’s bulkiness
  • Timing adjustments
  • Starting problems due to moisture in the distributor

Consequently, the distributor is replaced with an (ECM); an ignition control module and a magnetic triggering device. In contrast, that opens and closes the circuit. As a result, The current is sent to coils connected to one or two spark plugs. Furthermore, the timing is also controlled.

So, Problems in the secondary circuit, could cause issues with the ignition. Furthermore, problems in the primary circuit or; the fuel injection system could also affect the ignition. It is necessary to use an oscilloscope and a secondary pick-up probe to confirm problems in the secondary circuit. Remember that the secondary circuit has high-voltage current running through it. So, keep safety guidelines in mind when working with this.

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