4L60E Street Electrical, Lighting and Wiring Parts

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

Pat shows off how easy wiring your LS can be with our LS wiring kit.

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.

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!