Electrical Testers

Learn the importance of proper electrical grounding and how it affects not only starting, but accessories and lighting as well.

Learn how to best choose between an electric or mechanical fuel pump for your project vehicle. We help you you understand the differences in order to properly design a performance fuel system with our buyer's guide.

Leaking engine cylinders is an important preventative maintenance test to do while racing. Learn the steps to perform this test and how to indicate proper engine tuning.

Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

A guide on removing and installing a new electric motor kit for exhaust cutouts.

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

Power brake boosters offer lower pedal effort and better braking characteristics, but which one is right for your hot rod, muscle car, or truck? We take the guesswork out of that question with our latest buyer's guide.

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

Why convert to an LED-style headlight or taillight system? Click here to find out how to do it the easy way!

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