Introducing the Performance Tool W2991 Computer Safe Logistic Probe, the essential diagnostic tool. Designed with safety in mind, this probe draws less than 7 milliamps, ensuring it is computer safe and won't damage sensitive vehicle electronics. Its versatility extends to testing both high and low voltages on various vehicle circuits, including computerized engine and body controls, making it an invaluable asset for troubleshooting complex electrical issues. Featuring bright red and green LEDs, the probe provides clear voltage signal interpretation, differentiating between ground, power, and frequency. Compatible with 6, 12, and 24-volt systems, it caters to a wide range of vehicles. The heavy-gauge color-coded battery clips offer secure connections, while the 10-foot recoil lead wire provides ample reach for convenient testing. With its ability to test fuel injectors, solenoids, tach reference signals, MAF, Cam, Crank, VSR sensors, and more, the Performance Tool W2991 Computer Safe Logistic Probe empowers professionals with comprehensive diagnostic capabilities.