Dodge Challenger 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.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Check out this headlight wiring and taillight wiring diagram.

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.

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

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

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.

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!