There are several aspects of a properly relocated battery installation. Our guide will help you ensure that your relocation goes smoothly.

Battery Relocation to Trunk or Other Area of Your Vehicle

Learn how to install a side detent shifter in a 1969 Chevy C10.

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

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

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

If you're considering upgrading your classic car's charging system with an generator to alternator conversion, here are some helpful tips.

Alternator vs Generator Pros & Cons | Conversion Tips for Your Car

Learn the importance of proper electrical grounding and how it affects not only starting, but accessories and lighting as well.

Car Grounding | Bad Ground Wire Symptoms & Troubleshooting 101

Speedway Motors and Classic Trucks called on Painless Wiring to power their ground up rebuild of a 1952 Chevy truck that was built in celebration of Speedway Motors’ 65th anniversary.

Week to Wicked Product Feature: Painless Wiring Harness

Our automotive battery buyer's guide walks you through the most popular battery types and how to determine what is best for your application, be it street performance, racing, or otherwise.

Automotive Batteries Explained-What's Best For You?

Crimping or soldering automotive wiring are both viable options, but in some cases, it is preferable to do one vs the other

Crimp vs Solder | How to Solder & Crimp Automotive Wires

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

Engine Family Facets

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TH400 Truck Accessories Electrical, Lighting and Wiring Parts

TH400 Truck Accessories Electrical, Lighting and Wiring Parts | Speedway Motors

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TH400 Truck Accessories Electrical, Lighting and Wiring Parts

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TCI 880042 GM TH400 Driven Gear Housing

TCI 880043A GM TH400 Driven Gear Housing

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