About this item

⚡【Automotive Circuit Tester】:the core functions of this automotive circuit tester include voltage detection, component activation, diode testing, ground testing, short circuit tracing and locating, and positive/negative polarity identification, making it a universal tool for diagnosing automotive electronic systems.
⚡【Multi-Functional Test Modes】: ✅ positive/negative polarity test: used to determine circuit polarity ✅ continuity & open-circuit test: efficiently troubleshoot open circuits or switch failures ✅ short circuit tracing & locating: precisely and quickly pinpoint faulty components ✅ ground testing & jump function: detect poor grounding or power supply system failures ✅ continuity test: check the conduction status of open wires and components in automotive electronic systems ✅ quick self-test: verify the instrument's own working performance
⚡【Practical Test-Assist Design】:this automotive circuit tester is constructed with insulating materials and high-quality stainless steel probes, and is equipped with a 5-meter test lead that can cover the entire vehicle detection area. paired with led indicators, a buzzer alert, and a digital display, it allows for intuitive reading of working status and voltage data in both bright and dim environments. the instrument features a built-in overload protection function: when the current exceeds 8a, the internal protection switch activates automatically and triggers an alarm, ensuring operational safety.
⚡【High-Efficiency Component Activation Function】:this power circuit probe tool can accurately activate core components such as fuel pumps, headlights, solenoid valves, blowers, and cooling fans, helping users diagnose faults faster and more accurately, and greatly improving maintenance efficiency.
⚡【Wide Application Scenarios】:this car circuit tester is used for the diagnosis of all 6v–24v automotive electronic systems, supporting 0v–80v dc voltage detection. it can be applied to circuit and component testing for cars, pickups, suvs, motorcycles, engineering machinery, and watercraft, making it an ideal tool for professional maintenance technicians and automotive enthusiasts.