GMC Jimmy Alternators, Generators, and Charging

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

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Selecting the right battery cable wire size for automotive alternator to battery applications is crucial for optimal electrical performance and preventing potential issues. Our guide helps you choose the right wire gauge for any length of wire run.

Understand GM’s AFM system—how it operates, it’s pros and cons, common lifter failures, and your options for tuning, disabling, or full AFM delete.

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.

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

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

In this Tech Tip, John offers up a couple solutions to a customer wanting the best electric option to fuel his project.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.