2017 Dodge Challenger Engine Wiring Harnesses

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.

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.

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!

Read about the hardships faced when Tim tried to fire up his 241 Dodge Hemi for his 1929 Ford roadster. Learn his tips for how to persist despite difficulties that will help any hot rodder with their own troubles.

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.

Crimping or soldering automotive wiring are both viable options, but in some cases, it is preferable to do one vs the other

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