Great product,great for one man repairs and test on trailers, remote controlled from under the trailer or back of trailer or on top of trailer wiring failure's

Jeff Blanchette

Use everyday. Works awesome


Great product makes working on a trailer very efficient!

Nick T.

Works very well had for years no issues would recommend to others

Jr Theriault

Excellent tester! Very reliable and easy to use. Time saving device.

D. D.

This product allows for very efficient diagnosing of air brake issues and electrical problems. Saves our employees time and frustration. It's the only one-man diagnostic trailer tool I'd recommend.

Steve T.