Description
Product Overview
The OUFKAR power circuit probe tester is a professional-grade tool for automotive electrical diagnostics, engineered to test polarity and continuity in 6-24V DC systems. It features a durable design with product dimensions of 10.24 x 3.94 x 1.57 inches and a weight of 11.36 ounces, ensuring portability and resilience in workshop or field use. Core capabilities include detecting uncertain contact polarity—illuminating red for positive poles—and verifying on-off conditions in automobile electrical systems. The tester comes with a 4-meter (13ft) cable, probe tip, battery hookup clips, and a user manual, supporting comprehensive testing across various vehicle components.

Usage
This automotive circuit tester is ideal for mechanics, automotive technicians, and DIY enthusiasts working on cars, trucks, or other vehicles with 6-24V DC electrical systems. It is used in realistic environments such as garages, repair shops, or on-site diagnostics to quickly track short circuits, identify grounding issues, and verify wiring integrity. Common occasions include troubleshooting faulty connections, performing pre-maintenance checks, or ensuring proper installation of electrical components. The tool simplifies complex diagnostics, making it accessible for both professionals and home users seeking reliable electrical testing.
Why Choose Us
OUFKAR’s circuit tester stands out with its dual-alert system combining LED indicators and a buzzer for intuitive feedback, reducing errors during testing. The product is backed by a high customer rating of 4.5 stars from 255 reviews, reflecting consistent performance and user satisfaction. Its competitive advantage lies in the extended 13ft cable, allowing access to hard-to-reach areas, and the inclusion of multiple clips for versatile connections. Manufactured with precision, it ensures accurate readings and durability, supported by a clear user manual that guides even beginners through safe and effective operations.
Key Features
- Polarity and continuity testing with red LED indication for positive contacts
- Quick short circuit tracking and location in 6-24V DC automotive systems
- LED indicator and buzzer dual warning for clear, audible and visual alerts
- Easy clip connections to battery terminals with a 13ft cable for extended reach
- Includes probe tip, battery hookup clips, and user manual for complete setup
FAQ
What voltage range does this tester support?
It operates effectively in 6-24V DC systems, commonly found in most automobiles and vehicles.
How do I connect the tester correctly?
Clip the red clip to the positive battery terminal and the black clip to the negative terminal, then press the button to the positive side with the LED lighting red for proper setup.
Can it detect short circuits?
Yes, the tester is designed to quickly track and locate short circuits or momentary overloads in electrical systems.
What is included in the package?
The package contains 1 power scan unit, 1 probe tip, 1 battery hookup clip set, 1 user manual, and 2 additional clips for versatile testing.
Is it suitable for beginners?
Absolutely, the intuitive LED and buzzer alerts, along with a detailed manual, make it user-friendly for both novices and experts.




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