Glossary / Electrical

ignition coil

20 Episode Mentions
Too Afraid to Ask

An ignition coil is a small box that takes the car’s battery power and turns it into a big spark that lights the fuel in the engine.

Technical Definition

An ignition coil is an electrical component that transforms the battery’s low voltage into a high-voltage spark needed to ignite fuel in the engine cylinders.

Cars Known For This

The Car Curious Weekly

Podcast highlights and car talk, delivered every week.

Help Improve This Entry

Spot an error or have a better explanation? Let us know.