Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

How to Wire a Race Car | DIY Wiring Harness 101

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.

Universal Wiring Harness Instructions - Installation

Learn how to wire dual electric radiator fans. Use our dual fan wiring diagram and guide to make sure you properly wire your fans to your thermostat.

How to Wire Dual Electric Cooling Fans

Learn how to install and wire a digital tachometer. Speedway Motors covers the entire process with our installation of the Acewell 1100 Digital Tachometer.

Tachometer Wiring (Digital)

Check out this headlight wiring and taillight wiring diagram.

Headlight & Taillight Wiring Diagram

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit.  Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

Installing a Speedway Motors 22 Circuit Wiring Kit

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

How to Wire a Lightning Sprint Engine

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

The Best Wiring Solution for Your Hot Rod or Muscle Car Project

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!

Converting a Hardwired Sinclair Sign to Plug-In

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.

Steering Column Wiring Guide

Engine Family Facets

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United Pacific Racing Electrical, Lighting and Wiring Parts

United Pacific Racing Electrical, Lighting and Wiring Parts | Speedway Motors

Shop United Pacific Racing Electrical, Lighting and Wiring Parts and get Free Shipping on orders over $175 at Speedway Motors.

United Pacific Racing Electrical, Lighting and Wiring Parts

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United Pacific 36657 24 LED 6" Oval Mirage Turn Signal Light,Ambr

United Pacific 90649 Reverse Polarity LED Flasher, W/ Ext. Wires