Classic Instruments GMC R3500 Electrical, Lighting and Wiring Parts

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

Check out this headlight wiring and taillight wiring diagram.

Wiring a car may seem like a daunting process, but Jess explains the steps to successfully wire the ignition switch, headlight switch, and the dash gauges.

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.

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!

Piston rings may not be the most exciting part of an engine build, but knowing how to clock piston rings and how to install rings on a piston is critical to your engine performing properly.