Jeep TH400 Electrical, Lighting and Wiring Parts

Learn how to install a side detent shifter in a 1969 Chevy C10.

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.

Check out this headlight wiring and taillight wiring diagram.

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

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.

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

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!

Follow along as we install a Pete Jackson Noisy Gear Drive on a Chevy 454. Learn about the installation process from Speedway Motors Street Tech Kevin.

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