V100 Pro Power Circuit Probe Tester, Automotive Circuit Tester 6-30V DC, Test Light, 0.1-70v AC/DC Voltage Tester, Component/Diode/Resistance/Continuity Test, Short Circuit Breaker Finder

★★★★★ 4.2 33 reviews

$39.99
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$39.99
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Free shipping Free 30-day returns

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Management number 246979866 Release Date 2026/08/16 List Price $16.00 Model Number 246979866
Category
  • 【Multi-function Automotive Circuit Diagnostic Tool】V100 Pro power circuit probe tester is engineered to quickly diagnose and resolve most vehicle electrical system faults, it covers all essential circuit tests, such as: ✔Component Activation (for relays, solenoids, fuel injectors), ✔Voltage Detection (0.1v-70v AC/DC), ✔Resistance & Continuity Test (for broken wires/open circuits), ✔Diode Test, ✔Polarity Identification (+/-), ✔Ground Test (to detect bad grounds), It quickly & accurately pinpoint electrical issues like short circuits, open ciruits, poor ground connections & abnormal voltage, making it an ideal electric tester for professional mechanics and DIY enthusiasts alike.
  • 【Quick Polarity Detection & Voltage Test with LCD Display】 V100 Pro car electrical circuit tester lets you quickly identify polarity: red LCD for positive, green LCD for negative; no color means open circuit – perfect for checking grounds or tracing short circuits efficiently. Plus, this voltage tester features a backlit high-definition LCD screen that clearly displays voltage, resistance, polarity, and all test results for effortless reading. It delivers accurate voltage measurements within ±0.2V, catching even small fluctuations. The built-in LED work light illuminates dark engine bays and tight spaces, so you never struggle with poor lighting.
  • 【Component Activation】The V100 Pro automotive circuit tester troubleshoots faster by sending activation signals to car lights, fuel injectors, windshield wipers, radiator fans, and relays without removing parts. Test components on the bench, in-vehicle, or with ground connections more efficiently—perfect for quickly pinpointing failures and saving time during electrical diagnostics.
  • 【Resistance & Diode Test】 VDIAGTOOL V100 Pro car circuit probe tester can be used to measure resistance values, check continuity, and quickly test diodes and LED bulbs, helping you identify broken wires, open circuits, failed rectifiers, or burnt-out lighting components with ease. Compared with basic test lights that only indicate voltage presence, this test light combines resistance measurement and diode testing in 2 dedicated modes, which are easy to operate and highly efficient, allowing you to diagnose wiring harnesses, sensors, LEDs, headlights, and rectifier diodes without switching tools, saving you significant time and money on every vehicle electrical repair.
  • 【Continuity Test】 VDIAGTOOL V100 Pro car circuit tester features a dedicated continuity test mode that allows you to quickly verify the electrical path through any circuit. This function is essential for diagnosing a wide range of electrical faults, such as identifying broken wires, open circuits, faulty switches, blown fuses, or malfunctioning relays. With visual indicator feedback, you can instantly pinpoint problem areas, helping you diagnose and repair vehicle electrical issues more efficiently and accurately.
  • 【Grounding Test & Built-in Overload Protection】 VDIAGTOOL V100 Pro automotive electrical tester supports grounding test, allowing you to quickly check for bad grounds, poor connections, or power supply failures in your vehicle's electrical system, helping you pinpoint intermittent issues caused by corroded terminals or loose chassis connections. In addition, V100 Pro comes with an automatic circuit breaker; if overloaded (above 70V), it automatically shuts down and restarts—keeping both your components and tester safe, extending service life. You can even use this feature to deliberately identify shorts.
  • 【Wide Vehicle Compatibility】V100 Pro power circuit probe tester comes with a 14.7ft cable, long enough to reach any testing position around your whole vehicle. It can be used on all of 6-30V cars, SUVs, trucks, RVs, vans, motorcycles, streamships, buggies, 2/3-wheeled electric vehicles, portable for shop bays, driveway projects, or emergency fixes on the road!
  • 【2 YEARS WARRANTY, 24/7 TECH SUPPORT, 60 DAYS NO QUESTION ASKED RETURN/REFUND】We offer 2 Years Warranty, Lifetime technical support, 60 Days No-Question-asked NEW REPLACEMENT OR REFUND. Any questions or concerns with the V100 Pro Probe Tester, please reach us via vdiagtool2 @ outl ook c om.

ASIN B0GYPHSBQW
Color Black
Model V100Pro
Brand Name VDIAGTOOL
Style Name Modern
Unit Count 1 Count
Part Number V100Pro
Manufacturer VDIAGTOOL
Power Source Corded Electric
Number of Items 1
Measurement Type Voltmeter
Compatible Devices Any device with testable electronic components
Included Components V100Pro*1; 14.7ft Extension Cable; Probe Tip; Battery Hookup clips; User Manual
Warranty Description 2 Years Warranty
Maximum Operating Voltage 30 volts
Minimum Operating Voltage 6.8 volts_of_direct_current

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4.2 out of 5
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33 ratings | 14 reviews
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