PSI Conversion Truck Electrical, Lighting and Wiring Parts

If you're considering upgrading your classic car's charging system with an generator to alternator conversion, here are some helpful tips.

Learn how to install spark plug wire terminal ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire crimping tool.

What's the best way to handle an LS swap fuel pump? Watch for some tips and tricks as we assemble the in-tank pump to feed our 5.3-powered C10 truck project.

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

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!

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

Check out this headlight wiring and taillight wiring diagram.

Trying to decide if you want to change to fuel injection in your car? The simplicity of EFI conversions are leaps & bounds from where they were a few years ago. Kevin explains how to choose an EFI setup and walks through the installation process.

Are you a collector of automotive signs? This is a DIY project where you will learn how to convert a hardwired sign to a plug in. Jess M. explains each step to get the job done!

Learn about some of the differences between factory plug wires and the improvements you'll receive with a quality set of aftermarket performance wires in our spark plug wire buyer's guide