Dodge 4L60E Wiring Harness and Components

A real-world guide to 4L60 transmission specs, strength, and swap 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.

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

Drag racing changed a lot in the 60's, and Dick Landy was right in the middle of it all. This 64 Dodge was the first factory built 426 Hemi car to win a sanctioned drag race. How cool is that?

Check out this headlight wiring and taillight wiring diagram.

Learn the installation process of a drive shaft loop kit in a 1967 Chevelle. NHRA requires a driveshaft loop if you're going to run slicks on the drag strip!

Tim talks about the rare V8-60 engine and the parts we have to offer for one.

Hose & Fitting