Diagnose Car Electrical Problems Fast & Accurately

The 6-24V Automotive Test Pen is your go-to handheld diagnostic tool for quickly checking voltage, detecting circuit faults, testing fuses, and diagnosing bulb and wiring issues in any 6V to 24V vehicle electrical system. Whether you're a professional mechanic or a DIY car enthusiast, this compact and durable tester makes electrical diagnostics simple and reliable.

Made in Mainland China.

Key Features

High Precision Readings: Delivers accurate and reliable voltage measurements across your car's electrical system, helping you identify and resolve issues quickly and confidently.
Super Easy to Use: No complicated setup required — simply touch one end of the test pen to the power supply or grounding point and get an instant reading. Perfect for beginners and professionals alike.
Built to Last: Constructed from high-quality metal materials with strong impact resistance, this tester can handle the rigors of demanding workshop environments without missing a beat.
Versatile Diagnostics: Beyond basic voltage testing, this pen supports detection of current leakage, short circuits, and open-circuit lines — covering a wide range of complex automotive electrical scenarios.
Wide Voltage Range: Compatible with 6V to 24V systems, making it suitable for cars, trucks, motorcycles, and other 12V/24V vehicles.

Specifications

Voltage Range: 6–24V
Material: Metal
Color: Black
Batteries Included: No
Package Includes: 1 × Automotive Test Pen

What Can You Test?

✅ Fuse continuity & condition
✅ Bulb and lamp circuit integrity
✅ Battery and charging system voltage
✅ Ground connections
✅ Short circuits & current leakage
✅ Open/broken wire detection

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Safety & Automotive Electrical Reference

For guidance on safe vehicle electrical maintenance and inspection practices, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety standards related to automotive tools and equipment.

Note: Photos are for illustration purposes only and may not reflect exact size. Allow minor differences due to manual measurement. Colors may vary slightly between monitors.

Learn more: Pico Technology

Frequently Asked Questions

Q: What voltage range does this automotive test pen support?

A: This car circuit tester pen supports a voltage range of 6V to 24V, making it compatible with standard 6V, 12V, and 24V vehicle electrical systems, including cars, trucks, vans, and motorcycles.

Q: Can this test pen detect short circuits and open circuits?

A: Yes! In addition to basic voltage testing, this automotive diagnostic test pen can detect short circuits, current leakage, and open/broken wire lines, making it a versatile tool for comprehensive car electrical troubleshooting.

Q: Is this tool suitable for beginners with no electrical experience?

A: Absolutely. The automotive test pen is designed for ease of use — simply touch the probe to the point you want to test and read the result instantly. No complex configuration is needed, making it ideal for both professional mechanics and DIY car owners.

Q: Does it come with batteries?

A: No, batteries are not included with this test pen. Please check the product specifications or contact us if you need clarification on any power requirements.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.