Tuff Stuff International Electrical, Lighting and Wiring Parts

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.

Check out this headlight wiring and taillight wiring diagram.

Learn how to install and wire a digital tachometer. Speedway Motors covers the entire process with our installation of the Acewell 1100 Digital Tachometer.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

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!

Brief review of the different types of Ford alternators and regulators available through Speedway Motors.

Speedway Motors employee Jess M. talks about the custom battery tray and cables she built for her '33 Ford.

Maintain your torque tubes with this quick tip for Speedway Motors.