Painless Wiring EFI Engine Harnesses

We help you decide if converting your pickup, muscle car, or hot rod to EFI is worth the time and expense

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.

Unbox our most popular wiring harness with Tim.

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

Speedway Tech Steve L. talks about the sometimes aggravating task of headliner installs, and offers a solution to remove some of that frustration.

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!

Upgrading to electronic ignition is a huge improvement in performance, reliability, and lower maintenance that you can add to just about any engine your project may be running. Learn all about your electronic ignition choices in this buyer's guide.

Trying to decide if you want to change to fuel injection in your car? The simplicity of EFI conversions are leaps & bounds from where they were a few years ago. Kevin explains how to choose an EFI setup and walks through the installation process.

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