Muscle & Classic Car Headlight 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.

Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

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!

Speedway Motors employee Pat O. talks about the King Bee Headlight and a few conduit options available at Speedway Motors.

Check out this headlight wiring and taillight wiring diagram.

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

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

Learn the importance of proper electrical grounding and how it affects not only starting, but accessories and lighting as well.

Unbox our most popular wiring harness with Tim.

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!