Details:Features and Benefits:Provides direction and distance to shorts in a vehicle cableTests motors, loads, lights, relays, sensors, fuses, wires & circuitsDetermines circuit polarityDetermines system voltages for testing and bad ground indicationHelps locate open circuitsThe PPKIT03S combines the power of the Power Probe III & PPLS01 with the ECT3000 to quickly troubleshoot and diagnose circuit conditions. Save time by not tearing up wire harnesses, panels, carpets, and more to locate open or shorted circuits.