GMC 100 Gauge Wiring and Sensors

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

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

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.

Here are some handy tips for finding the right fuel level gauge and sending unit for your classic car or truck.

Troubleshooting a fuel gauge can be a seriously aggravating issue. Click here for a video showing some hints and tips!

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.

How to prevent blowing a motor by keeping up with you weekly maintenance routine. Charles reviews how to install oil pressure and water temperature gauges to help prevent issues while racing.

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!

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.

Check out this headlight wiring and taillight wiring diagram.