1987 Chevy V30 2004R Electrical, Lighting and Wiring Parts

Check out this headlight wiring and taillight wiring diagram.

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

How to maintain coolant temperature for a Big Block Chevy engine. Installation instructions for a double pass radiator and electric fan in a 1954 Chevy Bel Air.

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.

In this Tech Tip, a returning customer asks for advice on wiring harnesses for his ’29 Ford roadster project.

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!

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Follow this detailed guide on installing a FiTech EFI system in a '67 Chevelle. Learn helpful tips along the way including how to route the blue trigger wire away from the coil and ignition system.

Learn how to assemble a Gotta Show transmission cooler line kit for common GM transmissions. Jeff shares some helpful tips on measuring and cutting the braided stainless steel hose for an easier installation.