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Item #:
209636655
CMTOOL Power Circuit Probe Tester 6V-24V DC Test Light, Automotive Circuit Tester Car Short Finder, Component Activation, Polarity Identify, Overload
86% of respondents would recommend this to a friend
Item #:
209636655
NZD 40
Price Details
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Imported from USA store
QTY:
Order now and get it around Sunday, September 06
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The portable and multifunctional Test Light Automotive Power Circuit Probe Tester with 4M Test Lead is suitable for diagnostics of all 6V to 24V automotive electrical systems. It helps in quick and accurate detection of faulty wires and fault points in the car's wiring circuit.
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What Stands Out
Versatile Testing Range
Compatible with 6V to 24V systems, the CMTOOL Probe Tester allows users to diagnose a wide range of automotive circuits effectively, catering to various vehicle models and electrical components.
Polarity Identification
The tester easily identifies positive and negative connections, ensuring correct component installation and avoiding electrical issues. This feature enhances safety and efficiency during diagnostic procedures.
Built-in Overload Protection
Equipped with overload protection, the circuit tester safeguards against short circuits, providing peace of mind while working on automotive repairs and minimizing risks of damaging sensitive car electronics.
Product Details
| Power Source | Battery Powered |
| Minimum Operating Voltage | 6 volts_of_direct_current |
| Compatible Devices | Cars, Trucks, Boats, Trailers, Motorcycles |
| Style Name | Circuit Testers |
| Color | Red |
| Item Weight | 0.33 kg |
| Brand Name | CMTOOL |
| Model | AY-29 |
| UPC | 758358922504 |
| Manufacturer | CMTOOL |
| Included Components | Power circuit probe tester |
| Part Number | AY-29 |
| Brand | CMTOOL |
| Style | Circuit Testers |
Who Should Buy?
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DIY Mechanics
Ideal for hobbyists working on their own vehicles, helping them diagnose electrical issues with ease.
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Professional Technicians
Beneficial for automotive professionals requiring efficient tools to pinpoint electrical problems in cars.
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Hobbyist Electricians
Useful for those experimenting with electrical circuits in home projects, facilitating polarity and component testing.
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Non-technical Users
May be overwhelming for users lacking basic electrical knowledge and experience in car diagnostics.
Product Description
CMTOOL Power Circuit Probe Tester 6V-24V DC Test Light, Automotive Circuit Tester Car Short Finder, Component Activation, Polarity Identify, Overload Protection
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the CMTOOL Power Circuit Probe Tester used for?
Answer: The CMTOOL Power Circuit Probe Tester is designed for diagnosing electrical issues in automotive systems. It is used to test DC voltage, identify polarity, and activate components. This tool is essential for car mechanics and DIY enthusiasts to efficiently troubleshoot faults in circuits, ensuring functionality and safety in various automotive applications. For example, if you are experiencing electrical failures such as non-working lights or malfunctioning sensors, this tester allows you to pinpoint problems quickly. -
Question:
How does the CMTOOL Circuit Tester identify polarity?
Answer: The CMTOOL Circuit Tester identifies polarity using a simple visual indicator, often a built-in LED light that illuminates to show positive and negative connections. When you connect the probe to your circuit, the tester immediately indicates the type of current present. Understanding polarity is crucial for ensuring that components are connected correctly, preventing potential damage and maintaining the integrity of your vehicle's electrical system. For instance, when connecting a new battery, knowing the correct polarity helps avoid short circuits. -
Question:
Can the CMTOOL Power Circuit Probe Tester be used on 6V systems?
Answer: Yes, the CMTOOL Power Circuit Probe Tester is versatile and can be used on systems ranging from 6V to 24V. This capability makes it suitable for various vehicles, including motorcycles, cars, and even some older models that operate on lower voltage systems. This versatility is important for technicians who work on different vehicle types and need reliable tools that accommodate various electrical architectures. If you're diagnosing a classic car, for example, this tester is ideal for checking its unique electrical system. -
Question:
What features does the CMTOOL Circuit Tester offer for overload detection?
Answer: The CMTOOL Circuit Tester features an overload protection mechanism that helps prevent damage to both the tool and the circuit being tested. This ensures that if too much current flows through the tester, it will automatically stop to safeguard your equipment. This feature is especially vital when testing potentially faulty circuits that may cause surges. If you're working on a car with known electrical issues, this added layer of safety allows you to proceed with confidence while diagnosing the problem. -
Question:
Is the CMTOOL Power Circuit Probe Tester user-friendly for beginners?
Answer: Absolutely! The CMTOOL Power Circuit Probe Tester is designed with user-friendliness in mind, making it suitable for both beginners and experienced technicians. Its intuitive design includes clear markings and a straightforward operating procedure, allowing users to effectively perform tests without extensive prior knowledge. This makes it an excellent choice for DIYers looking to gain hands-on experience with automotive diagnostics, such as testing fuses and relays in their vehicles. -
Question:
What types of automotive issues can the CMTOOL Circuit Tester help diagnose?
Answer: The CMTOOL Circuit Tester can help diagnose a wide array of automotive electrical issues, including short circuits, open circuits, and component failures. This tool is invaluable in troubleshooting problems related to power distribution within a vehicle's electrical system. For instance, if your vehicle's headlights are flickering, this tester will allow you to trace the electrical path and determine whether the problem lies with the circuitry or the components themselves. -
Question:
Does the CMTOOL Power Circuit Probe Tester come with any additional accessories?
Answer: The CMTOOL Power Circuit Probe Tester typically comes with essential accessories such as test leads and clamps, enhancing its functionality. These accessories provide flexibility in reaching different components and electrical systems within a vehicle. Using these accessories, you can easily connect to hard-to-reach areas, making your testing process much more efficient. They are particularly useful in complex automotive setups where access might be limited due to tight spaces. -
Question:
What should I consider before using the CMTOOL Circuit Tester?
Answer: Before using the CMTOOL Circuit Tester, ensure that you familiarize yourself with the vehicle's electrical system and safety precautions. Always wear appropriate personal protective equipment, and ensure the vehicle is in a safe state before engaging in electrical testing. Understanding the basic layouts of your vehicle’s wiring can significantly enhance your effectiveness with the tester. For example, knowing where the fuse box is situated can streamline your testing processes and save time. -
Question:
Where can I buy the CMTOOL Power Circuit Probe Tester in New Zealand?
Answer: You can buy the CMTOOL Power Circuit Probe Tester conveniently from Ubuy in New Zealand. Ubuy offers a user-friendly online shopping experience, allowing you to browse through this excellent automotive tool, read product details, and make your purchase easily. They also ensure a seamless transaction process for customers seeking reliable automotive diagnostic tools. -
Question:
What is the maximum voltage the CMTOOL Circuit Tester can handle?
Answer: The CMTOOL Circuit Tester can handle a maximum voltage of 24V, making it suitable for most automotive applications. This range allows technicians to test a variety of vehicles and components safely and effectively. The ability to work within this voltage range ensures compatibility with standard automotive electrical systems, such as those found in cars, trucks, and motorcycles. For instance, whether you're working on a newer vehicle or an older model, this tester will provide reliable performance during your diagnostic work.
CMTOOL Circuit Testers Editorial Review
The Automotive Power Circuit Tester with 4M test wire has quickly gained recognition among automotive professionals and DIY enthusiasts alike for its practicality and effectiveness. Users appreciate its capability to simplify complex tasks, particularly when diagnosing electrical issues in vehicles. Instead of the cumbersome process of using a multimeter, many users have found this tool to be a time-saver, especially for bench testing components such as headlight bulbs or checking for faults in cables and grounds. The compact design makes it easy to handle and transport, fitting conveniently into tool bags without taking up much space. Users have noted that it’s well-built, able to withstand the rigors of daily use in the field, and remains operational even after being dropped or subjected to rough conditions. The bright LED lights enhance visibility, making it easier to identify issues quickly. While it may not carry the premium branding of higher-end tools, customers feel it offers excellent value for money. New users have expressed satisfaction with its functionality and simplicity, indicating it's user-friendly even for those who are not highly familiar with automotive electrical systems. Overall, it appears that this product has made a positive impact on the workflow of its users, allowing them to diagnose electrical problems efficiently and effectively. **
Customer Reviews & Ratings
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Pros
- User-friendly design for both beginners and professionals
- Ideal for various automotive diagnostics, including bench testing
- Compact and portable for easy transport
- Sturdy Construction that withstands field use
- Bright LED lights for better visibility
- Good value for money
Cons
- Lacks a circuit breaker
Platform Trust & Buyer Confidence
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Ranee
Verified buyer
“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”
22 July 2026 · via Trustpilot
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NordVPN
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“very speedy delivery,tracking info was superb-best experikence ever!!!”
24 June 2026 · via Trustpilot
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Nicholas
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“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”
22 June 2026 · via Trustpilot
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Dneah
Verified buyer
“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”
15-Jul-26 · via Trustpilot
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Tania
Verified buyer
“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”
11-Jul-26 · via Trustpilot
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NZD 40
Order now and get it around Sunday, September 06
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Suitable for diagnostics of all 6V to 24V automotive electrical systems
- Portable and multifunctional electrical tester
- Polarity and continuity test
- Component activation and testing
- Grounding test and short circuit tracking
- Fast and accurate detection of faulty wires and fault points
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