Willys Wiring Harness and Components

This veteran of the legendary "gasser wars" of the 60s looks right at home in the Museum of American Speed.

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

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.

Looking for a performance or custom brake set-up? Whether you're replacing components or building your brakes from scratch, you may wonder what size master cylinder or booster to use. No need to worry, just follow our handy guide.

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

Speedway Motors and Classic Trucks called on Painless Wiring to power their ground up rebuild of a 1952 Chevy truck that was built in celebration of Speedway Motors’ 65th anniversary.

Unbox our most popular wiring harness with Tim.

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit. Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

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!

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!