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.
Autel PowerScan PS100 Automotive Circuit Tester 2.0, 12-24V Power Circuit Probe
Autel PowerScan PS100 Automotive Circuit Tester 12V 24V Car Power Probe Kit Tool
Autel Powerscan PS100 Circuit Tester Automotive Power 12V 24V Circuit Probe Kit
Autel Powerscan PS100 Circuit Tester 12V 24V Automotive Power Circuit Probe Kit
Autel PowerScan PS100 Circuit Tester, Electrical Diagnostic Power Probe 12V/24V
