










Stop wasting time with unreliable readings. The SparkLitu Automotive Circuit Tester provides instant DC and AC voltage data alongside live waveforms. This precision allows you to identify shorts or open circuits immediately, keeping your vehicle electronics in peak operating condition.
Power up components directly with the SparkLitu Automotive Circuit Tester. Whether you are testing cooling fans or window motors, this tool lets you energize parts without a helper, simplifying complex troubleshooting tasks and saving you valuable time in the garage.


Safety is paramount when handling modern vehicle systems. The SparkLitu Automotive Circuit Tester features built-in protection against reverse polarity and over-voltage. You can confidently test delicate sensors and relays knowing the device safeguards both itself and your car’s computer.




This diagnostic tool sets a new standard for portable circuit testing. Its integration of oscilloscope-style waveforms and robust safety features makes it indispensable for modern automotive electrical troubleshooting.
– Jonathan Miller, New York


Seamlessly switch between twelve and twenty-four volt systems to diagnose everything from motorcycles to heavy-duty commercial trucks with one reliable tool.

Built-in red and green LEDs provide immediate visual confirmation of positive or negative circuits, significantly speeding up the troubleshooting process for any user.

The power switch allows you to activate components like lights and motors directly from the probe, eliminating the need for extra jumper wires.


The high-resolution TFT screen displays large fonts and clear icons, making it easy to read diagnostic results even in dimly lit engine bays.

Advanced internal safeguards prevent damage from short circuits or improper connections, ensuring a long lifespan for the device and safety for the vehicle.

Engineered for comfort and durability, the lightweight housing and long extension cable provide the reach and grip needed for extensive under-dash wiring work.


We understand the value of your time. That’s why our team is trained to respond promptly and efficiently, ensuring your queries and issues are addressed without unnecessary delays.
Frequently Asked Questions
This tool saved me hours of frustration. The color display is crystal clear and the component activation feature works perfectly for testing window motors alone.

As a DIY enthusiast, I love how easy this is to use. The safety features give me peace of mind when working on my modern car's electronics.

Best diagnostic tool in my kit. It handles everything from my motorcycle to my work truck. The long cable reach is incredibly convenient for trailer testing.
