Bullish - Video Champion Spark Plugs: High-Compression Engine Ignition System Explained Posted: March 15, 2025 | Last updated: March 26, 2025 This animated film "Spark In The Firing Line" provides ...

Metal contacts in the cap connect with contacts in the ignition wires to form an electrical link, and the current is passed along to each spark plug according to its firing order. This type of ...

with the timing based on their firing order. A separate wire runs from the ignition distributor cap to each spark plug -- actually thick cables capable of carrying 40,000 volts or more.