Car Circuit Tester | Voltage Display LED & Power Probe Kit

Car Circuit Tester with Voltage Display LED & Power Probe Kit

Diagnose electrical faults fast and accurately with this Car Circuit Tester. Whether you're a professional mechanic or a DIY enthusiast, this all-in-one power circuit probe kit gives you a clear, instant voltage readout with a bright LED display — no guesswork, no multimeter fumbling. Test fuses, switches, sensors, wiring harnesses, and more on virtually any 6V–24V DC vehicle system.

Key Features

• Voltage Display LED Light: Instantly read voltage levels at a glance — no need for a separate multimeter.
• Wide Compatibility: Works on cars, trucks, motorcycles, boats, and other 6V–24V DC electrical systems.
• Complete Probe Kit: Includes all necessary probes and leads for comprehensive circuit testing — open circuits, short circuits, and continuity.
• Durable Build: Rugged construction designed to withstand the demands of professional and home garage use.
• Easy to Use: Simple clamp-and-probe operation — connect the ground clip, touch the probe to any circuit point, and read the result instantly.
• Compact & Portable: Lightweight design fits easily in a toolbox or glovebox for on-the-go diagnostics.

What's in the Box?

• 1 × Circuit Tester Probe with Voltage Display LED
• 1 × Ground Clamp Cable
• 1 × Test Lead Set

Specifications

• Voltage Range: 6V – 24V DC
• Display: LED Voltage Indicator
• Batteries Included: No
• Wireless Function: No
• Country of Origin: Made in Mainland China

Who Is This For?

Perfect for automotive electricians, mechanics, car audio installers, and home DIYers who need a reliable, fast way to test vehicle circuits without expensive diagnostic equipment. Ideal for troubleshooting lighting systems, audio wiring, ignition circuits, trailer wiring, and more.

Safety Note

Always follow proper electrical safety procedures when working on vehicle circuits. For guidance on safe auto electrical work, refer to the OSHA Automotive Safety Guidelines.

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Learn more: Pico Technology

Frequently Asked Questions

Q: What voltage range does this car circuit tester support?

A: This car circuit tester supports DC voltage systems ranging from 6V to 24V, making it compatible with most standard cars, trucks, motorcycles, and boats.

Q: Do I need batteries to use this circuit tester?

A: No batteries are required. The circuit tester draws power directly from the vehicle's electrical system through the ground clamp and probe connections.

Q: Can this probe kit detect both open and short circuits?

A: Yes. The car power circuit probe kit is designed to detect open circuits, short circuits, and continuity in automotive wiring, fuses, switches, and sensors.

Q: Is this circuit tester suitable for beginner DIYers?

A: Absolutely. Simply attach the ground clamp to a negative terminal or bare metal ground, then touch the probe tip to any circuit point. The LED voltage display instantly shows the reading — no experience required.