Short Circuit Finder for Continuity Testing
Have trouble with headlights not turning on, power windows malfunctioning, or the cigarette lighter not working? This multifunctional automotive circuit tester helps diagnose common electrical faults such as short circuits, open circuits, poor grounding, abnormal voltage, and continuity issues. It quickly locates problem areas without repeated disassembly, helping save time and effort during repairs.

LCD Test Light with Accurate Voltage Reading
Equipped with a backlit HD LCD screen, this car voltage tester provides real-time voltage readings with accuracy up to ±0.2V, making small voltage changes easier to detect. The built-in LED light helps you test safely and clearly in dark engine bays, under dashboards, or other tight spaces.

Fuse & Voltage Tester, Easy to Use
Beginner-friendly and simple to operate. Connect the red clip to the battery positive terminal and the black clip to the negative terminal. Once powered on, the voltage value appears instantly. Touch the probe to check continuity, voltage status, polarity, fuse condition, short circuits, and open circuits. The buzzer alerts you when overload is detected to help protect the tester and battery.

14.7FT Extension Cord for Full Vehicle Reach
The flexible 14.7ft extension cord allows you to test the engine bay, fuse box, dashboard, rear lights, trunk area, and other hard-to-reach circuits without constantly repositioning the battery clips.

For DIY Users & Professional Mechanics
Compatible with 6V–36V DC systems, this automotive power circuit probe tester is suitable for cars, pickups, motorcycles, trucks, boats, SUVs, trailers, and more. A practical diagnostic tool for DIY car owners, repair shops, and professional mechanics.