Chevy K20 Engine Wiring Harnesses

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

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

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.

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.

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

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.

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.