4th Gen GM F-Body Chassis Wiring Harnesses

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.

Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

In this Tech Tip, a returning customer asks for advice on wiring harnesses for his ’29 Ford roadster project.

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.

Day Four of the Speedway Motors Week to Wicked 1952 Chevy build starts off with a whole lot of wiring.

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

Learn about the Speedway Motors Universal 22 Circuit Wiring Harness and the features that made it perfect for our 1967 Chevy II Nova Gasser Build.

Unbox our most popular wiring harness with Tim.