Unversial VDIAGTOOL V200 PRO Circuit Tester Meet Your Daily Maintenance ???? 4 working modes: DC voltage, AC voltage, Resistance and Diode Test. ???? Identify voltage and polarity of the circuit. You can find out whether it is a positive or negative ground circuit and check how many volts is getting. ???? You can test continuity of the wires and components, whether they are attached to or disconnected from the vehicle. ???? Test the resistance of various sensors and issues and compare those values to the factory specifications. ???? Activate and test components in your hands or inside the vehicle by supplying positive or negative circuits to them. ???? 20FT extension cable allows you to work on semi trucks, trailers or any other long vehicles. ???? Built-in light enables better working in darker spaces.
