Dodge Custom 700R4 Electrical, Lighting and Wiring Parts

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.

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

Check out this headlight wiring and taillight wiring diagram.

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

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.

Tim M. continues his quest to breathe life into a tired old 241 Dodge baby Hemi. This round, Tim dives into giving the 241 an electrifying makeover, courtesy of a Pertonix electronic ignition system, all cleverly hidden inside existing hardware.

Jeff's 1967 Chevelle project undergoes prep for a Dakota Digital Dash System. Keep a factory style dash with this wide sweep speedometer. Learn how to mount and wire modules for the gauge system, gear shift indicator, GPS speedo sender and auxiliary.

Drag racing changed a lot in the 60's, and Dick Landy was right in the middle of it all. This 64 Dodge was the first factory built 426 Hemi car to win a sanctioned drag race. How cool is that?

Follow this guide on how to mount a single electric puller fan in a '66 - '67 Chevelle. Learn tips on taking measurements and installing a rubber spacer to prevent the fan from rubbing.

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!