Proform Mercury Electrical, Lighting and Wiring Parts

There is a lot to consider when choosing the proper spark plug for your engine's intended application and power level. Let us take some of the guesswork out with our spark plug buyer's guide.

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

Check out this headlight wiring and taillight wiring diagram.

LEDs. Fantastic litle things with many uses, but sometimes they can leave a bit to be desired.Take into consideration, the flimsy plastic lenses. Speedway Motors product guru Jeff K. noticed their appearance. And so he did something about it.

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.

We look at the basics of performance carburetion and what you need to properly supply your street or race car with enough fuel in this buyer's guide

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

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!