Car Circuit Tester with Voltage Display LED Light & Probe Kit

Car Circuit Tester with Voltage Display LED Light & Power Probe Kit

Diagnose electrical faults fast with this professional-grade car circuit tester. Featuring a bright LED voltage display light and a complete power circuit probe kit, this tool makes it easy to test circuits, locate shorts, check fuses, and troubleshoot wiring in any 12V or 24V vehicle — no guesswork required.

Whether you're a seasoned mechanic or a DIY enthusiast, this circuit probe kit gives you the clarity and confidence to tackle automotive electrical diagnostics safely and efficiently.

Made in Mainland China.

Key Features

• Voltage Display LED Light: Instantly shows circuit voltage with a bright, easy-to-read LED indicator — no more guessing live vs. dead wires
• Complete Probe Kit: Includes all the probes and leads you need for comprehensive automotive circuit testing
• Wide Compatibility: Works on cars, trucks, motorcycles, boats, and other 12V/24V DC systems
• Durable Construction: Built to withstand the rigors of the garage or workshop environment
• Easy to Use: Simple probe-and-read design — perfect for both professionals and beginners
• No Batteries Required: Draws power directly from the vehicle's circuit being tested
• Compact & Portable: Lightweight design that fits easily in a toolbox or glove compartment

What's in the Box

• 1x Car Circuit Tester with Voltage Display LED Light
• 1x Power Circuit Probe Kit (probes and leads)
• 1x Instruction Guide

Specifications

• System Compatibility: 12V / 24V DC
• Indicator: LED Voltage Display Light
• Batteries Required: No
• Wireless: No
• Origin: Mainland China

Why You Need This Tool

Electrical issues are among the most frustrating problems in any vehicle. A faulty wire, blown fuse, or short circuit can leave you stranded. With this automotive circuit tester probe kit, you can quickly pinpoint the problem and get back on the road — saving time and expensive mechanic fees.

Looking for more automotive accessories? Check out our Automotive Cables & Jump Starters and our Smart Relay Switch for Vehicle Diagnostics.

For more information on safe automotive electrical diagnostics, visit the U.S. Department of Labor or read about electrical safety at CDC NIOSH Electrical Safety.

Frequently Asked Questions

Q: What vehicles is this car circuit tester compatible with?

A: This car circuit tester is compatible with most 12V and 24V DC vehicles, including cars, trucks, motorcycles, RVs, and boats. It is ideal for diagnosing standard automotive electrical systems.

Q: Does the car circuit tester require batteries to operate?

A: No, the circuit tester does not require batteries. It draws power directly from the vehicle's electrical circuit being tested, making it always ready to use without any setup.

Q: What can I test with this automotive power circuit probe kit?

A: You can use this probe kit to test for live circuits, ground connections, short circuits, blown fuses, faulty wiring, and voltage levels in your vehicle's electrical system.

Q: Is this circuit tester suitable for beginners?

A: Yes! The simple probe-and-read design with the LED voltage display makes it user-friendly for both professional mechanics and DIY enthusiasts who are new to automotive electrical diagnostics.