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 Power Circuit Probe Kit 12V 24V Circuit Tester Diagnostic
Autel PowerScan PS100 Power Circuit Probe Tester
Autel PowerScan PS100 Power Circuit Probe Tester Black
Autel PowerScan PS100 Power Circuit Probe Kit Electrical Wire Tracer 40ft Cable
Autel PowerScan PS100 Power Circuit Probe Tester 12-24V Automotive Electrical
