SAE J560 · 12V · LED Display · 6 Function Tests · Short-Circuit Protection. This portable 7-way round pin (SAE J560) tester checks tail lights, turn signals, brake lights, and electric brakes from one rugged, battery-powered box.
This circuit tester is ideal for diagnosing all 0V to 65V vehicle electrical systems. Resistance detection mode is used to detect the resistance value between the probe of the circuit under test and the auxiliary ground wire.
This detects the resistance value between the probe of the circuit under test and the auxiliary ground wire. Resistance Detection Mode. When the current is overloaded, the machine will automatically disconnect to protect the circuit to reduce unnecessary losses.