GMC 253-22 Engine Wiring Harnesses

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.

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.

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

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

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

This video is a step-by-step guide on how to properly install a wrap-around 5 point harness seat belt. Joe and Kyle also talk about the benefits of the Speedway Motors 5 point harness seat belt combo.

Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!