【0-80 V WIDE TESTING RANGE】This power circuit probe tester features a 0-80V DC voltage testing range and supports diverse functions including DC voltage testing, battery polarity testing, component activation, continuity testing, diode testing, trailer light testing, connection testing, poor ground testing, fuse fault tracing, short circuit detection, and jumper functionality. It is widely applicable for diagnosing various automobile circuits.
【QUICK SELF TEST】Before testing any circuit or component, 12v test light allows you to perform a quick self-test to ensure your tool is in good condition. NOTE: Do not press the activation switch during continuity testing or ground detection.
【TRACE AND LOCATE SHORT CIRCUITS】: JDIAG 12v test light probe is equipped with advanced high sensitivity probes to help you accurately and quickly troubleshoot faulty components. Using this probe tester can save a lot of time to troubleshoot the car wiring circuit, to quickly and accurately find the faulty wire and its fault point.
【COMPONENT ACTIVATION】: The activation function can be used to activate components such as the starter fuel pump, solenoid valve, blower, cooling fan, headlights, etc. In addition, this automotive circuit tester is equipped with a 5M extended detection line, covering the front to the rear of the vehicle, making it easy to test the entire vehicle circuit system.
【CONTINUITY TEST & POOR GROUNDING TEST】: By using the probe tip and auxiliary ground wire, continuity testing can be performed on wires and components that are disconnected from the vehicle's electrical system. If the continuity test passes, the green LED will light up. The car circuit tester also supports grounding tests and jumper functions, allowing you to test for bad grounds or failures in your vehicle's power supply.
【REAL-TIME ALERT FEATURE】JDIAG electrical circuit tester features a built-in buzzer and overload protection. When the current exceeds 8A, the internal circuit breaker will automatically trip while simultaneously sounding an audible alarm to alert the user.
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