Attach the spark plug to a spark plug tester, then connect the tester to the ignition wire. Start the engine and observe the ...

Read all about the process of reconfiguring a spark plug as well as a ignition system. Only at Classic Trucks Magazine!

Read our expert, in-depth guide on how to check and change spark plugs on your motorcycle with MCN - one of the most important components in any petrol engine.

Some engines use a spark to ignite their fuel, and others rely on compression. What does all of that mean? And how do the two kinds of engines differ?

Ignition systems using a separate spark box are usually capacitive-discharge systems, which use a storage capacitor to hold energy.

Proven technology applied in a new way allows this Hyundai ignition system to monitor spark plug wear without a physical inspection.

Some engines use a spark to ignite their fuel, and others rely on compression. What does all of that mean? And how do the two kinds of engines differ?