Lincoln Mark III C4 Electrical, Lighting and Wiring Parts

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Learn how to install spark plug wire terminal ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire crimping tool.

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

Speedway Tech Zach discusses the Pertronix Ignitor III conversion in his '55 Chevy.

Check out this headlight wiring and taillight wiring diagram.

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!

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.

A guide on removing and installing a new electric motor kit for exhaust cutouts.

Learn how to install a Line lock as well as installing a line lock button and how a line lock works, with Kevin as he goes through the process on his '54 Chevy Belair.