PowerScan PS100 Automotive Circuit Tester, Universal 12V 24V Power Circuit Probe Tool, Electrical Short Open Circuit Finder, Relays Diodes Resistance Continuity Test Tool w/ 20ft Extension Cable

Compnent Activation FunctionAutel PS100 Electrical System Tester will test the positive, negative, and open circuit easliy, also testing for continuity, diagnosing circuit failures, checking good and bad grounds, easy to read AC/DC current activating components on and off the vehicle, sensing MIN /MAX voltage, etc. By generating activation signals for the components, Autel Circuit Tester Automotive Tool can judge whether the components are in good condition, such as lights, motors, wipers, radiator fans, relays, etc.
Quickly Identify Polarity & Highly Sensitive ProbeAutel PS100 Automotive Circuit Tester instantly checks component continuity and identifies positive, negative and open circuits. When the positive terminal is connected, the red LED light is on, accompanied by a beep. When the negative terminal is connected, the green LED is on, along with low pitched tone. If it is an open circuit, the LED light will not light. Besides, sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas.
Overload Protection & Quick Self Test10 Amp Circuit Breaker built-in to protect the tool from overload. The circuit breaker will trip if it becomes overloaded to protect the battery and give a buzzer warning. When the circuit breaker is tripped, the Electrical Probe Tester will NOT be able to conduct battery current to the tip even when the power switch is pressed. Besides, Autel PowerScan PS100 Car Circuit Tester has quick self test function, which can ensure the tester is in good condition before use.