2013 BMW 320i Wire and Cable

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

Learn the importance of proper electrical grounding and how it affects not only starting, but accessories and lighting as well.

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

Crimping or soldering automotive wiring are both viable options, but in some cases, it is preferable to do one vs the other

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.

Are you a collector of automotive signs? This is a DIY project where you will learn how to convert a hardwired sign to a plug in. Jess M. explains each step to get the job done!

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 what throttle and kickdown cables do, how to install them, and tips for troubleshooting issues like broken or stuck cables.

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.