Q&A:

🏆Q1:What can VDIAGTOOL V200 Pro 2-in-1 automotive electrical tool do for you?

A1:V200 Pro covers all circuit tests: Circuit Breaker Test; Short Circuit Test; Tracing Wire; AC/DC Voltage Test; Diode Test; Resistance Test; Polarity Test; Continuity Test; Ground Test; Activate Components; Signal Circuit Test; Relay, Fuse, Trailer Light Test.

🏆Q2:What do I do if my VDIAGTOOL V200 Pro Power Cirtur Probe Tester & Breaker Finder Kit is broken?

A2:We offer 3 Year War ranty and Lifetime Af ter-s ale service. If the unit you had is defective or malfunctions, please contact us directly, we can send you a new one to replace it without 24hrs.

🏆Q3: How do I connect my devices for testing?

A3: Switch to Mode I, you’ve just activated Power Circuit Probe Tester which can be powered by either connecting to cigarette lighter/vehicle’s battery,no external battery needed! Mode II-circuit breaker tester is powered by 1pcs 9V Battery!

🏆Q4: Does it come with batteries?

A4: Yes. Mode II-circuit breaker tester is powered by 1pcs 9V Battery. When the tool is not needed, please check the transmitter part and let it in the OFF position to avoid draining the 9V battery power.

VDIAGTOOL V200 Pro is the most accurate power circuit probe tester on the market, providing a comprehensive solution for diagnosing 9–30V vehicle electrical systems.

Diagnose automotive electrical problems faster and smarter with the VDIAGTOOL V200 PRO — a powerful 2-in-1 tool combining a Power Circuit Probe and Breaker Finder in one compact device. Designed for both professional technicians and DIY users, it helps quickly locate open circuits, bad grounds, blown fuses, and wiring faults in 12V and 24V vehicles.

Whether you're working on cars, trucks, SUVs, RVs, motorcycles, or boats, the V200 PRO provides accurate electrical diagnostics with easy operation and professional-level efficiency.

VDIAGTOOL V200 PRO 2-IN-1 Professional Automotive Circuit Probe & Breaker Finder Kit Mian Features

⚡ 2-IN-1 Circuit Probe + Breaker Finder

Combines two essential automotive electrical diagnostic tools into one convenient kit. Save time and improve repair efficiency without switching devices.

🔍 Fast Open Circuit Detection

Quickly trace damaged wires, locate electrical faults, and identify circuit interruptions without removing panels or damaging wiring.


🚘 Compatible with 12V & 24V Vehicles

Works with most cars, trucks, trailers, RVs, motorcycles, boats, and commercial vehicles.


4 Intelligent Working Modes

Supports: Power Injection ,Ground Testing ,Continuity Testing , Signal Detection ,Suitable for a wide range of automotive electrical troubleshooting tasks.


40FT Extended Cable

Includes 20FT + 20FT extension cable for easy testing from front to rear of the vehicle, especially useful for large vehicles and long wiring systems.


Color LCD Display

Bright color screen clearly displays voltage readings, polarity, and test status for easier diagnosis.


LED Light & Beep Warning

Built-in flashlight and sound alerts allow comfortable operation even in dark garages or under dashboards.


Overload Protection


Integrated safety protection prevents damage caused by overload or incorrect operation.


Portable Hard Carrying Case

Comes with a durable storage case to keep all accessories organized and protected.

VDIAGTOOL V200 PRO Component Activation & Functional Testing

The V200 PRO can directly activate and test automotive electrical components to quickly verify whether they are functioning properly.


Fuel Injector Activation Test

Relay Functional Test

Vehicle Lighting Test

Power Supply Output

Ground Signal Output

Fast Component Response Detection

Advantages


✔ Quickly identify faulty components

✔ Reduce unnecessary parts replacement

✔ Improve troubleshooting efficiency

✔ Convenient testing in dark environments

AUTOMOTIVE CIRCUIT PROBE TESTER ——4 Intelligent Electrical Test Modes

The V200 PRO supports multiple professional automotive electrical diagnostic modes for comprehensive circuit analysis.


🔋 DC Voltage Test

Measure real-time circuit voltage and resolution values accurately.

⚡ AC Voltage Test


Detect maximum voltage, minimum voltage, and signal frequency.

Ω Resistance Test

Check circuit resistance to determine wiring integrity and electrical continuity.

➡️ Diode Test

Test diode forward voltage and determine whether the diode is functioning correctly.

VDIAGTOOL V200 PRO Complete Automotive Electrical Diagnostic Tool

The V200 PRO integrates multiple automotive electrical diagnostic functions into one powerful device. One device integrates 12+ essential circuit testing functions—eliminate clutter and make diagnostics faster and easier for mechanics and DIYers.


1. Diode Test – Verify diode functionality in circuits.


2. Polarity Test – Check correct electrical polarity connections.


3. Continuity Test – Ensure unbroken wire paths and connections.


4. Resistance Test – Measure resistance to detect faults.


5. Short Circuit Test – Identify dangerous unintended current flows.


6. Poor Ground Test – Locate weak or faulty grounding points.


7. Tracing Wire/Cable – Track and map wiring routes effortlessly.


8. AC/DC Voltage Test – Test both types of voltage accurately.


9. Activating Components – Power up relays, solenoids, and more for testing.


10. Sensor/ Signal Circuit Test – Diagnose sensor and signal performance.


11. Open/Breaker Circuit Test – Detect breaks in electrical circuits.


12. Trailer Lights/Relay/Fuse Test – Specialized diagnostics for trailers and protection systems.

VDIAGTOOL V200 PRO High-efficiency Breakpoint Location

Switch the V200 Pro All-In-One Circuit Tester Kit to Mode II

Find Break Point / Open Circuit

V200 PRO car circuit tester quickly locate breakpoints and open circuits without cutting or stripping wires. Using audio signal detection technology, the device precisely identifies fault locations—saving time while preventing unnecessary damage to wiring harnesses. Ideal for diagnosing hidden issues in complex vehicle circuits.

Wire Tracing

V200 PRO car circuit tester easily trace hidden wires through panels and wiring harnesses without disassembly. The audio tone guidance enables fast identification of target lines, improving efficiency and reducing guesswork during electrical troubleshooting.

Quick Self-test to make sure it is working properly before you start using it.

VDIAGTOOL V200 PRO Circuit Diagnostic Tool Sensor/ Signal Circuit Testing

Sensor/ Signal Circuit Test

V200pro locate auto short circuits if you keep getting blown fuses and also test various sensors, signal circuits to pinpoint the root cause to electrical issues when you have extracted DTCs from vehicle ECUs.

Dual Power Supply Options

V200pro Supports both vehicle battery and cigarette lighter power— hassle-free on-vehicle testing.

V200 Pro Circuit Tester Supports Polarity Detection and Safety Protection.

Polarity detection gives you clear visual feedback (RED/GREEN lights) to wire circuits correctly the first time. Plus, its overload buzzer protects you and your vehicle from accidental voltage spikes.

Quick Self-test to make sure it is working properly before you start using it.


Red Light on: Positive circuit

Green Light On: Negative Circuit

Overload Protection: Built-in safety feature triggers a buzzer warning when voltage exceeds safe limits.

V200Pro Circuit Tester Not Only For Car

Multi-Vehicle Compatibility

V200PRO Works beyond cars: Automotive, RVs, Tractors, Trucks, Boats (12V/24V systems) Complete electrical circuit testing for any vehicle type


Dual-Function Modes

Mode 1: Automotive Circuit Tester

Full system diagnostics for 12V/24V sources


Mode 2: Circuit Breaker Finder

Wide 6-42V DC range for heavy-duty vehicles

V200PRO Automotive Power Tool Product List

V200Pro Main Unit*1

User's Manual *1

Bigger Cigarette Lighter Adapter *1

Battery Hookup Clips *1

Probe Tip *1

Extension Cable (20ft.) *1

Rugged Blow Molded Case *1

Power Assist Cable *1

Breaker Finder *1