Tester Model: P60. If the probe touches the negative circuit, the display will light up green, the screen will show 0v, and the device will sound a beep. If the display lights up green and a tone sounds, you have verified that the wire is shorted.

Brand: TopDiag
Manufacturer Part Number: P60
Volt: 12 Volt
Accessories: Clamps, Probes, User Guide
Features: Analog Display, Continuity Testing, Digital Display, Relay & Component Testing, Voltmeter
Vehicle Type: ATV, Heavy Duty/Commercial, Motorcycle, Passenger Vehicle
Warranty: 1 Year
Country/Region of Manufacture: China