How to Use a Multimeter as a Heavy-Duty Trucking Technician

As technology advances in the trucking industry, more and more pieces of a truck are run by electronics. What that means for technicians is that they need to have a solid understanding not only of mechanics, but of electronics as well.

That’s why it’s so important for technicians to understand how to properly use a multimeter. Larry Rambeaux, a sales application engineer at Purkeys, noted, “At the TMC SuperTech competition, really the only event that doesn’t use a multimeter is the Tires station, and even that could easily change in the future.”

Electric vehicles and automation are a hot topic in trucking right now, and—surprise, surprise—both require relying heavily on electronics. To come full circle, this also means that the technicians in the shop need a working knowledge of how to upkeep, diagnose, and repair the issues that pop up with any system on a truck.

Multimeters are a small, relatively simple tool. However, they can make diagnosing and fixing the problem much simpler. As such, it’s a good idea to for all technicians to refresh their multimeter skills every year. To that end, Larry Rambeaux demonstrates the basics of using a multimeter (specifically in trucking, since multimeters are used in a broad range of applications) at the beginning of each year. A recording of his industry-favorite webinar is provided here for your convenience. If you have any questions about using a multimeter, feel free to contact us or connect with us on social media!

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