Plymouth Ignition Wiring Harnesses

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.

Read how to wire a lightning sprint engine. This detailed account of how to successfully wire an engine will ensure a smooth installation.

Speedway Motors just added some exciting new options to our line of racing harnesses.

Learn how to install spark plug wire terminal ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire crimping tool.

Instructions on how to install a PerTronix Ignitor Kit in an old flathead distributor for a flathead V8.

Speedway Tech Zach discusses the Pertronix Ignitor III conversion in his '55 Chevy.

Need a little help figuring out which race harness will suit you best? Click here for some things to keep in mind!