What may seem like a big piece of rubber sitting on top of your spark plugs is actually called an "ignition coil"

And it's an essential item for making an internal combustion engine work.

Tune in to discover:

• What makes an ignition coil work
• A very basic introduction to electromagnetism - and, more importantly, what it has to do with ignition coils
• 2 different types of ignition coils

Resources:

• National MagLab YouTube Video - "How Ignition Coils Work"
• The Dual Wheel Journey blog post - "What's An Ignition Coil?"