PSI Conversion Electrical, Lighting and Wiring

Learn how to hook up a 1-wire alternator on your vehicle. 1-wire alternators are perfect for engine swaps or just keeping things simple for your project.

Learn how to wire dual electric radiator fans. Use our dual fan wiring diagram and guide to make sure you properly wire your fans to your thermostat.

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

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

Check out this headlight wiring and taillight wiring diagram.

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!

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.

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.

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

Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.