Diagnose Electrical Problems Faster & With Confidence

Save time troubleshooting automotive electrical systems with a professional circuit tester designed for fast, accurate diagnostics.

Powered directly by your vehicle's 12V or 24V battery, this versatile tool helps test circuits, locate wiring faults, and identify electrical problems without the need for multiple testing devices. Whether you're a professional technician or a DIY car enthusiast, it's an essential addition to your toolbox.

🔧 Features

⚡ Complete Electrical System Testing

Perform multiple automotive electrical tests with one convenient tool.

Use it to:

• Test battery voltage
• Check voltage polarity
• Test circuit continuity
• Inspect lamps and lighting circuits
• Test electric motors
• Diagnose poor ground connections
• Trace and locate short circuits

Perfect for everyday vehicle electrical diagnostics and repair.

📏 14.8 ft (4.5 m) Extra-Long Test Lead

The extended cable allows you to reach electrical components throughout the vehicle without constantly repositioning the tester.

Ideal for working on engine bays, dashboards, rear lighting systems, and more.

🛡️ Built-In Overload Protection

Designed with an automatic circuit breaker to help protect both the tester and the vehicle during operation.

• 8A overload protection
• Automatically resets after overload conditions are removed

Provides added safety while diagnosing electrical circuits.

👍 Simple One-Handed Operation

Getting started is quick and easy.

1. Connect the red clip to the positive (+) battery terminal.
2. Connect the black clip to the negative (−) battery terminal.
3. Use the probe and power switch to perform electrical tests.

The forward and backward power switch allows you to easily apply positive or negative battery voltage to the probe tip when required.

🚗 Wide Vehicle Compatibility

Designed for automotive electrical diagnostics using 12V or 24V vehicle battery power, with a DC voltage testing range of 7V–36V.

Suitable for:

• Cars
• SUVs
• Pickup Trucks
• Motorcycles
• Many other DC-powered vehicles

For DC electrical systems only. Not intended for AC voltage testing.

🔧 How to Use

1. Unroll the test cable.
2. Connect the red clip to the vehicle battery's positive (+) terminal.
3. Connect the black clip to the negative (−) terminal.
4. Turn the power switch forward or backward to begin testing the electrical circuit.

📦 Specifications

📦 Package Includes

• 1 × Automotive Electrical Circuit Tester
• 1 × User Manual

⭐ Ideal For

✔ Automotive Repair Shops

✔ Professional Mechanics

✔ Auto Electricians

✔ DIY Vehicle Maintenance

✔ Routine Electrical Troubleshooting

⚠️ Notes

• Designed for DC automotive electrical systems only.
• Do not use on AC voltage.
• Read the user manual before operation.
• Store the tester in a clean, dry place when not in use.