Shelby Transmission Wiring Harnesses

In this Tech Tip, a returning customer asks for advice on wiring harnesses for his ’29 Ford roadster project.

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.

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

Day Four of the Speedway Motors Week to Wicked 1952 Chevy build starts off with a whole lot of wiring.

Unbox our most popular wiring harness with Tim.

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

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

Darrian explains the process of Shelby/Arning drop changes and how that affects your car.

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