Here is a diagram showing the spark plug leads attached to a coil pack:
Ignition coil
Spark plug lead
Spark plug
In this diagram, the ignition coil is at the center and is connected to the spark plug leads, which are in turn connected to the spark plugs. The spark plugs are located at the end of each spark plug lead and are responsible for igniting the fuel in the engine's cylinders.
In a typical engine, there will be one ignition coil for each cylinder, and the spark plugs will be connected to the ignition coils through the spark plug leads. The ignition coil generates a high voltage electrical current, which is transmitted through the spark plug leads to the spark plugs. The spark plugs then use this electrical current to create a spark, which ignites the fuel in the engine's cylinders and powers the vehicle.
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