GM C-Body AMC 390 Electrical, Lighting and Wiring Parts

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

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.

Learn how to wire dual electric radiator fans. Use our dual fan wiring diagram and guide to make sure you properly wire your fans to your thermostat.

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.

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.

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.

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!

Read how to wire a lightning sprint engine. This detailed account of how to successfully wire an engine will ensure a smooth installation.