GMC 1000 904 Electrical, Lighting and Wiring Parts

Check out this headlight wiring and taillight wiring diagram.

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

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 the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.

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!

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

Steve provides a step-by-step guide to install the Speedway Motors GM 10-Bolt Polished Finned Aluminum Rear End Cover.

This article explains how to install a chrome column shifter into the steering column itself. We will help you determine the length of steering column needed along with all the parts required to get the job done.