Pinpoint wiring faults on your 12V and 24V systems instantly with the Autel PS100 Circuit Tester, delivering clear visuals and audio cues for every connection.
Instant Polarity Checks Red LEDs and distinct tones confirm positive connections, while green lights and lower pitches alert you to negatives before you touch a wire.
Component Activation Mode Sends control signals to test relays, fuel injectors, and motors directly, allowing you to confirm part function before ordering replacements.
Built-in Safety Guard An internal circuit breaker protects against shorts, and a simple switch flip runs a quick self-test to ensure the probe responds correctly each time.
Work-Ready Kit Extras Includes a 20-foot extension cable for hard-to-reach areas, a built-in flashlight for dark engine bays, and a carrying case to keep your tools organized.
