Ford Model 40 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.

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

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!

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.

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

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

Having a difficult time deciding which racing harness to use? With many options to consider from size to closure type, this article will walk you through how to go about choosing the perfect one for you and your race car. Safety first!

Brief review of the different types of Ford alternators and regulators available through Speedway Motors.

Tim talks about the process of upgrading the factory hubs on his 1929 Roadster project with new manufacture units courtesy of Speedway Motors.