Daisy
Last Updated: Feb 8, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| LittleVivi | 6.42 | ✅ | ✅ | ✅ |
Power Probe III Circuit Tester is designed to be a multi-functional electrical circuit tester
Quickly and easily diagnose automotive electrical systems
Features: Digital Voltmeter, Min/Max, Audible Circuit Monitoring, 4mm Standard Banana Jack and Auxiliary Ground for component testing. Works with 12 - 24 VDC Systems.
Available voltmeter colors: Black, Blue, Red, Flames pattern, Camo pattern or Carbon Fiber pattern
Package includes: 1 x Power Probe III handheld tool (with 20-foot cord), 1 x Battery Hookup Clips, 1 x Instructional DVD
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JBTools | 9.86 | ✅ | ✅ | ✅ |
Power Probe III Circuit Tester is designed to be a multi-functional electrical circuit tester
Quickly and easily diagnose automotive electrical systems
Features: Digital Voltmeter, Min/Max, Audible Circuit Monitoring, 4mm Standard Banana Jack and Auxiliary Ground for component testing. Works with 12 - 24 VDC Systems.
Available voltmeter colors: Black, Blue, Red, Flames pattern, Camo pattern or Carbon Fiber pattern
Package includes: 1 x Power Probe III handheld tool (with 20-foot cord), 1 x Battery Hookup Clips, 1 x Instructional DVD
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JBTools | 9.86 | ✅ | ✅ | ✅ |
Power Probe III and accessories
4mm leads and connectors
Continuity tester
Relay and component tester
Works on 12-24v Sources
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JBTools | 9.86 | ✅ | ✅ | ✅ |
Power Probe III Circuit Tester is designed to be a multi-functional electrical circuit tester
Quickly and easily diagnose automotive electrical systems
Features: Digital Voltmeter, Min/Max, Audible Circuit Monitoring, 4mm Standard Banana Jack and Auxiliary Ground for component testing. Works with 12 - 24 VDC Systems.
Available voltmeter colors: Black, Blue, Red, Flames pattern, Camo pattern or Carbon Fiber pattern
Package includes: 1 x Power Probe III handheld tool (with 20-foot cord), 1 x Battery Hookup Clips, 1 x Instructional DVD
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AWBLIN | 9.92 | ✅ | ✅ | ✅ |
[WIDER VOLTAGE RANGE] Compared with the auto electrical tester on the market, the maximum voltage measured is only 48V, but the maximum voltage that our technology can measure is upgraded to 60V. AWBLIN circuit test is ideal for checking various vehicles electrical circuits, quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections, also for testing other 3-60V DC wirings and circuits.
[LED INDICATION, BIDIRECTIONAL VOLTAGE TESTING]: This upgrade circuit test light is a bidirectional voltage tester. You can attach the alligator clamp either to negative or positive ground, there is also a light emitting diode on the circuit board for polarity indication, Red light indicates Negative polarity and Green light indicates Positive polarity.
[COMPUTER SAFE, DURABLE & FLEXIBLE]: The professional auto circuit tester has a built-in circuit board chip, which is safer and more durable than traditional test lights and prevents the car computer board from burning out. Spring wire can be freely stretched up to 102 inches, with a wide measuring area; Anti-bending design of the tail wire, no need to worry about bad contact of the line.
[BARBED WIRE POSITIONING & WIRING FUNCTION]: Bundled with hookup clip and stabbing line locate cover, easy to test and diagnose the automotive circuit. Small alligator pliers are convenient for grabbing thin wires for testing. Use stabbing line locate cover, the stainless steel power probe can pierce the wire without damaging the rubber cover when testing.
[100% SATISFACTION]: If you have any dissatisfaction for any reason, please feel free to let us know and we will do our best to assist you.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| andabusiness | 5.44 | ✅ | ✅ | ✅ |
【Simple and Practical Car Circuit Tester】 Are you still troubled by complex usage functions? You will get the easiest auto probe tester. You can test continuity/polarity/voltage/trace short circuit/check switches, relays and diodes, fuses and circuits for continuity/poor grounding by the tester. The EM285 power probe is the best electrical tester to reduce the diagnostic time of 6-24V DC automotive electrical system.
【Easy to Operate Tester】 The compact and portable design makes detection more convenient, and the 16ft long cable allows you to easily detect various parts of the car. After simply connecting the electric light tester to the vehicle battery, an auto technician can conduct positive or negative battery current to the tip by flipping the power switch forward or backward.
【Wide Range Applications】 The multifunctional automotive circuit tester is the most versatile and practical test tool for circuit maintenance. Quickly check car headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires, and more. The test range of 6-24 V DC is suitable for circuit voltage test of cars, trucks, motorcycles, tractors and various vehicles. It is an essential tool for any automotive engineer, electronic engineer or circuit DIY.
【Humanized Design】 In order to help you solve problems more quickly, the power circuit tester is equipped with indicator lights, probes, alligator clips, and buzzer. The high sensitivity probe reflects the result on the indicator light, also suitable for narrow areas. Insulated protective rubber tip protects you from electric shock. The alligator clip is convenient for one-handed operation, greatly improving your work efficiency. The tester beeps to indicate a tripped circuit breaker.
【Package Contains】 1 x Plastic Package, 1 x Instruction Manual, 1 x Extension Cable, 1 x Alligator Clip, 1 x Line Probe, 1 x Back Probe. Note: The tester cannot be used for 110/220V household current, only for DC 6~24V system. Do not use it on AC voltage.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GODIAG official | 6.36 | ✅ | ✅ | ✅ |
🚘【MOST PRACTICAL CIRCUIT TESTER】With the GT103 probe tester, you can test for continuity/polarity/voltage and ground signals/Short&Open Circuit. And most importantly, you can also use it to check switches, relays and the on-off of diodes, fuses and circuits, activating electronic Component. It is the best electrical tester for reducing diagnostic time in all 6-30 volt vehicle electrical systems.
🚘【PORTABLE AND QUICK TEST ELECTRICAL TESTER】With the GT103 car circuit tester tool, you can determine at a glance whether a circuit is positive, negative, short or open; Test for continuity with its built-in auxiliary ground lead; can also easily test the vehicle's headlights, turn signals, lift windows, sunroofs and others, helping you to find out whether it is a circuit problem or a component damage.
🚘【CAR FUEL INJECTOR TESTER & CLEANER】Free DIY Injector Cleaning Adapter Kit included with the package! When the vehicle has difficulty in starting, acceleration and fuel consumption, etc, it is necessary to check the fuel injector. When the injector is clogged, you can also use it to save expensive nozzles, this kit is easily to clean most car motorcycle fuel injectors. Efficient & Labor-free, Save your money!
🚘【20FT LONG TEST LEAD】The GT103 Circuit Tester features a long 20-foot (6m) cable that allows you to test from the front to the rear of the vehicle (trucks, trailers, vessels, tractors and other vehicles that use DC circuits) without constantly searching for suitable vehicle grounds, so easy to check the whole electrical circuit system.
🚘【CIRCUIT OVERLOAD PROTECTION】The GT103 Circuit Tester provides more safety for the user because it is protected by a 10-amp circuit breaker. If overloaded, it will trip and automatically disconnect the protection circuit. The circuit breaker is a valuable test tool as well as a safety measure to protect the tool from overload and make the product more durable.
🚘【LED INDICATOR&BUZZER PROMPT FUNCTION&HIGHLY SENSITIVE PROBE】In order to help you clear problems at a glance, the power circuit probe tester comes with two LED indicator and a buzzer. The test light adopts advanced high sensitivity probe, which provides you quick and accurate detection.
🚘【PACKAGE INCLUDES】1 X Probe Scaner with 20ft(6m) cable, 1 x Probe Tip, 1 x Battery Hookup Clips, 1 x Fuel Injector Test Lead, 2 x Fuel Injector Clean Connectors, 5 x Relay Connection Leads, 1 x Relay Test Adapter , 1 x User Manual. Note: This circuit tester can not be used for 110/220V systems, it is only used for DC 6-30V systems. Do not use on AC voltage.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TopDiag | 7.36 | ✅ | ✅ | ✅ |
🚘Power Probe Master Kit is an essential tool for automobile user. It is needed for testing components on and off the vehicle, checking for the good and bad grounds, testing for continuity and diagnosing circuit failures. If the vehicle owner keeps it in his car he can check system failure on his own way no need to go to technician.
🚘[The Main Function]: The P100 Power Circuit Probe Kit is mainly used to test car battery voltage, AC and DC voltage test, resistance, leakage, short circuit, component activation overload protection and other car circuit system problems. Auto circuit tester with large battery clip, can carry more load. Support wide input voltage range from 9V to 70V, also support 12V cars and 24V trucks.
🚘[Working Modes & Easy to Diagnose]: Easy to navigate user menu allows reading DC Voltage, AC voltage, Resistance and Diode parameters very clear. A quick self-testing is a must before to test a circuit or component, ensure your tool is in excellent condition.
🚘[Accurate Data & Safety Design]: Tiny deviation and more precise testing data. The circuit tester automotive can use this unit to analyze any range from 9V to 70V batteries healthy, tells you everything about the battery. The circuit probe kit can protect the circuit when power supply is reversed.
🚘[Features]: The automotive circuit tester with 20Ft extension cable, environmental protection material, Not pungent.low power consumption, high performance. Durable and Safety - An auto circuit breaker makes this tool very safe and sustainable ,even a beginner can easily use this automotive diagnostic test tool without the manual.
🚘[Widely Applicable]: Wide range applications,professional diagnosis, support Multi-languages.The P100 Automotive Circuit Tester can be used as electrical tester, breaker finder, power tester, wire tester, car fuse tester, continuity tester, Short Finder, automotive multimeter, etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| XRZN-US | 9.82 | ✅ | ✅ | ✅ |
[PACKAGE]-This electrical alligator clips tester includes 20pcs = 5 colors * 4pcs alligator clips, which the alligator clip wires length is about 19.3 inches, wire clips length: 1.38 inches. This alligator clips set for HVAC come in multiple colors so you can distinguish between connections when working on a project. And now this double ended alligator clips electrical kit can be used widely in electronic experiments, breadboarding, prototyping, trouble shooting, circuit connection, etc.
[FLEXIBLE & DURABLE]-This test leads with alligator clips cover is made of high quality soft PVC, which make this test leads set have great flexibility. So, this electrical test leads is not easy to break after repeated usage. And this gator clip adopted high quality spring, which make this alligator clip leads has strong and solid clipping. So, alligator test leads is not easy interrupted during the testing. Therefore, this alligator clamp can be durably and safely used in daily electric work.
[GOOD PERFORMANCE]-This alligator clip jumper wire adopts high quality copper wire and pure metal clip, well constructed and have a sturdy wire attached. The wire firmly crimped to the steel clamp, so, this jumper wires with alligator clips has the great conductivity, ensure the test accuracy. What's more, its outside was covered by vinyl sleeve which made this electrical jumpers has insulation and protection ability. NOTE THAT, please DO NOT over the rated voltage for this metal alligator clip.
[CONVENIENT]-This insulated double ended alligator clips with wires uses strong spring and is designed with crocodile teeth shape, which make alagator clips have strong clamp force. And the special alligator clamps design make this crocodile clips cable wire easy to be used and removed by clip on / off during the testing. What's more , this alligator clip is light weight, so, this electrical alligator clips jumper wire is mainly used for fast wiring in experiments or tests or circuit connector.
[VERSATILE]-This anti-slip circuit jumper wire alligator clips is perfect for electrical testing such as electronic experiments, bread boarding, circuit testing, battery test, electric appliance test, digital product power connection test, prototyping, and troubleshooting. Now this multifunctional test lead alligator clips measurement tool is widely used in laboratories, shops, schools, home and industries.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Global Meter | 9.82 | ❌ | ❌ | ❌ |
【POWER SUPPLY】The power probe is powered by the circuit under test. Power Supply by 5 to 15V battery. Power Supply protection is 20VDC/VAC.
【LED LIGHT&AUDIO INDICATIONS】This logic troubleshooting instrument will give visual (LED light) and audio indications for logic levels and pulses.
【PULSE WIDTH】The test light automotive can capture pulse width as short as 30 nanoseconds on frequency 20KHz-20MHz. Maximum Input Voltage is 40VDC/VAC(duration<25 seconds.
【COLOR CODED LEDS】The circuit probe, color coded LEDs Indicate high, low or pulsed logic states Audio beeper With two sounds: Hi & Low.
【PEN STYLE】Pen Style Logic Analyzer Handheld Circuit Tester+Extra Long Leads. Portable size and easy to operate.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GODIAG Direct | 6.33 | ✅ | ✅ | ✅ |
🚗【Easy Operation】Unroll the leads, clamp the red clip of the power circuit probe tester to the positive terminal of the vehicle's battery and the black clip to the negative terminal of the vehicle's battery. After a simple hook-up of the circuit tracer to the vehicle's battery, automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward.
🚗【Short Finder and Locating Test Light】The circuit tester is suitable for diagnostic in all 6V to 30V DC vehicle electrical systems. It can check switches, relays and the on-off of diodes, fuses and circuits, which can help you reduce diagnostic time in automotive electrical systems. In most cases, short circuit or instant overload of component will lead to blown fuse or circuit breaker tripping.This power probe tester can assist you tracing problem wires and locating breaking points.
🚗【Quick Self-Test & Overload Protection】Before you test a circuit or component, the Power Circuit Tester can perform a quick self-test to ensure your tool is in good condition. Equipped with overload protection, when the current exceeds 10A, the circuit tester will disconnect the current automatically and give you a buzzer prompt. You can test poor ground contacts directly. Note: This circuit tester can not be used for 110/220V systems, it is only used for DC 6-30V systems.
🚗【20FT Extension Cable & Buzzer Warning】The cable length of the power probe is about 20ft which allows you access and test any electrical system easily. The LED indicator and buzzer warning can help you clear problems at a glance. Test light adopts advanced high sensitivity probe, providing you quick detection and better experience.
🚗【Wide Applications】 This automotive circuit tester is a versatile and practical test tool for circuit maintenance. Quickly check car headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires, and more, suitable for cars, trucks, caravans, motorcycles and various vehicles. It is an essential power probe test tool for any automotive engineer, electronic engineer or circuit DIY.
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Topdiag Online | 0.00 | ✅ | ✅ | ✅ |
【P100 Pro Circuit Tester】The P100 pro automotive circuit tester is an intelligent electrical circuit tester for automobile user, which supports online upgrade and can be used to test voltage/resistance, detect bad grounds and remove the fault of vehicle electrical circuits.
【Oscilloscope Function】The working principle of an oscilloscope is to analyzes and diagnoses the condition or problems of vehicle by display electrical waveforms on the screen, such as test the voltage of AC/DC signal, voltage rises or drops or problems with connection interruptions. This probe tester also built-in LED light to illuminate the work area when you operate in the dark.
【Multimeter Mode】Multimeter is a multifunctional and indispensable automotive power probe for every vehicle owner, as it can quickly detect voltage, resistance, diode, frequency and continuity, which greatly improved the efficiency and convenience of automotive circuit diagnosis.
【Component Activation】This power circuit probe tester is able to connect vehicle battery and test if a vehicle component is working properly, such as starters, windshield wipers and air conditioning system, etc.
【Free Online Upgrade】Our automotive diagnostic tools can be upgraded online for free, the function of the car circuit tester will be gradually improved according to the car, and bring you a smooth operation experience.
【0-5V Power Supply】P100 Pro car diagnostic tool has a 0-5v power supply function that other common circuit test tools do not have. When the circuit connected to the probe tip forces the voltage above or below the set point voltage of 0.5 volts, the device will sound an alarm to know that the output voltage is different from 0 to 5V (current<100mA) in 0.5 volt increments.
【Multiple Languages Available】A total of 14 languages are supported in the automotive electrical tester, include English, Spanish, German, French, Portuguese, Italian,etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| xianshihen | 9.87 | ✅ | ✅ | ✅ |
【Package Included】You will get 1pc Power Circuit Electrical Tester, made of ABS material, pratical vehicle diagnostic tool. Package size(L x W x H) is about 26.5 x 9 x 4cm / 10.4 x 3.5 x 1.6inch.
【Multi-Funcion Power Circuit Electrical Tester】Voltage and polarity testing, activating components off or on the vehicle, testing lights and connections, continuity Testing. Checking for Good and Bad Ground Contacts. Following and locating short Circuits.
【Cable Length】Automotive power probe has long testlead. The cable length is about 4m(13ft) which allows you test any electrical system easily. 6-24V multifunction automotive electric circuit tester power circuit probe detector car diagnostic repair tool.
【Easy to Use & Overload Protection】Automotive circuit breaker finder, powered by the vehicle battery directly. The illumination function enables automotive technician to test the electrical system in the darkness.When the current exceeds 8A, the unit will disconnect the current automatically.
【Circuit Tester Widely Application】 Power circuit probe tester, can be used to test continuity, test polarity of a voltage, check lamp, check electric motor, follow and locate short circuits, test for bad ground contacts and measure dc voltage from 2V to 24V etc.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Power Probe | 4 |
| Godiag | 2 |
| Topdiag | 2 |
| Allsun | 1 |
| Awblin | 1 |
| Bibabala | 1 |
| Smaringrobot | 1 |
| Vxscan | 1 |
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