Shelby Alternator 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.

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

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.

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

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

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

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

Follow this guide on installing a Speedway Motors Billet LS Alternator Bracket. If you’re looking for a simple solution that looks good while solving positioning issues from factory brackets, then these brackets are for you.

In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!

This handy adapter is an inexpensive way to adapt an LS into your classic, muscle car, or truck. It takes care of the steam line as well as the hose diameter difference, allowing you to run a standard radiator with your LS swap.