Fix vehicle electrical issues in minutes—no guesswork, no complicated setup. This all-in-one tester works on 12-24V systems and handles:
Replaces multimeter, test light, jumper wires & even PP3 tools, making diagnostics faster and easier. Just plug and test—perfect for beginners and professionals alike. Ideal for garage repair, DIY troubleshooting, and daily vehicle maintenance.
Easily switch between:
No learning curve required! Get accurate readings (0.1V resolution), monitor min/max voltage, and quickly detect circuit issues without complex settings. Designed for beginners—plug in and start testing instantly. The tone alert helps you identify voltage by sound, making troubleshooting faster and easier, even in low-light conditions.
Activate and test components directly—like fuel injectors, radiator fans, power windows, lights, and more. Find faulty parts in seconds and avoid unnecessary replacements, saving time and repair costs. This circuit detection tool helps verify component health by triggering real response signals—ideal for accurate fault isolation.
The tester comes with a 20-ft cord plus a 20-ft extension cord, providing a diagnostic range of 40 feet. This allows you to test electrical circuits anywhere around long vehicles or trailers. The additional cigarette lighter plug enables quick in-car circuit testing without opening the hood to connect the battery