Packard Model 115-C 4L60E Electrical, Lighting and Wiring Parts

A real-world guide to 4L60 transmission specs, strength, and swap tips.

Check out this headlight wiring and taillight wiring diagram.

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!

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

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

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!

Learn how to install 1970-73 RS Camaro reproduction parking lamps and how to overcome some obstacles during the installation.