The Ultimate Trailer Test Sets

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Quality in Design & Manufacturing

Made in the USA, you can depend on our quality assurance and attention to detail. Years of experience testing and repairing trailers have led to two of the best options for you to choose from. Rugged enough for the shop floor, and no annual calibration requirements.

Testing Equipment for Trailers

Professional Shops

All-in-one, reliable, and adaptable to your needs. Do more with less time and more accurate results. Troubleshoot from the box, with no long wires needed.

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Born from Aviation

Our development engineers and manufacturing personnel have over 30 years in aviation. Helping you fly through troubleshooting and diagnosis, is what we do.

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Test Boxes for Troubleshooting

Why Our Test Equipment Is Better

Designed In-House
Quality Assurance Guaranteed
Professional Garage Use & Pro-Consumer Options
Experts in Diagnosis

Save Your Shop Time & Increase Technician Efficiency

Our test boxes are designed to help you, or your technicians troubleshoot in record time. Get customers back on the road, with no mistakes. Legendary quality manufacturing ensures no equipment down time. Please allow 7 business days for shipping. Contact us for any questions or assistance.

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