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The CT100 is a professional automotive circuit tester built for speed, accuracy, and everyday reliability. It helps diagnose electrical issues quickly, identifies polarity, runs load tests, and provides clear audible and visual alerts to take the guesswork out of repairs.
Built rugged with a long oil-resistant cable and interchangeable pro
4.7
20 ratings
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Great tool to use and a modern take on the test light with the ability to put a load on it just as an incandescent test light can work along with the LED Voltage indicator.
M
Matt · October 21, 2026
Rock and roll
Looks good,definitely not cheap plastic,didn’t have to use it yet,the display is not the greatest ,they can make it little bit brighter,
A
anguel · August 24, 2026
Works Great
Seems to work great...But shipping was Horindous....update/delayed 5 times.
