International 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.

Check out this headlight wiring and taillight wiring diagram.

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

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

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

Unbox our most popular wiring harness with Tim.

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!

Pat shows the difference between Incandescent, HID, LED Headlights.

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

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