Pontiac Sunfire Wiring Harness and Components

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.

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

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!

Read how to wire a lightning sprint engine. This detailed account of how to successfully wire an engine will ensure a smooth installation.

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.

Having a difficult time deciding which racing harness to use? With many options to consider from size to closure type, this article will walk you through how to go about choosing the perfect one for you and your race car. Safety first!

This video is a step-by-step guide on how to properly install a wrap-around 5 point harness seat belt. Joe and Kyle also talk about the benefits of the Speedway Motors 5 point harness seat belt combo.

Check out this headlight wiring and taillight wiring diagram.

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

Instructions on how to install a PerTronix Ignitor Kit in an old flathead distributor for a flathead V8.