Learn about the various electrical and other systems that lurk under your hood, including cooling systems, ignitions, wires, fuses and connectors.
Be Your Own Mechanic

How Automobile Ignition Systems Work

Other HowStuffWorks articles explain the mechanics of the engine and many of its subsystems, including the fuel system, cooling system, camshafts, turbochargers and gears. But the ignition system is where it all comes together, with a perfectly timed spark.

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