Packard Four-Hundred Dash Wiring Harnesses

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Speedway Motors just added some exciting new options to our line of racing harnesses.

Need a little help figuring out which race harness will suit you best? Click here for some things to keep in mind!

Learn about some of the differences between factory plug wires and the improvements you'll receive with a quality set of aftermarket performance wires in our spark plug wire buyer's guide