Brand Name:ANCELOrigin:Mainland ChinaCertification:CEAncel PB100 Automotive Circuit Tester Power Circuit Probe Kit Electrical System Mechanical Workshop Tools 24V 12V Power Scanner The tool is the best electrical tester for reducing diagnostic time in all 6 to 30-volt vehicle electrical systems. After a simple hook-up of the tool to the vehicles battery, you can: Determine at a glance if a circuit is positive, negative, or open without having to reconnect clips from one battery pole to another. Test for continuity with its built-in auxiliary ground lead. By depressing the power switch, conduct a positive or negative battery current to the probe tip for testing the function of an electrical component without the use of jumper wires. Test for poor ground contacts instantly without performing voltage drop tests. The tool is also short circuit protected; its internal circuit breaker will trip if it becomes overloaded. Follow and locate short circuits without wasting fuses. The tools long cable allows you to test along the entire length of the vehicle without constantly searching for suitable vehicle grounds. Why Choose ANCEL PB100 Electrical System Circuit Tester? Voltage Readout On the led screen at the front of the tool it will show you the battery voltage when hooked up. This can be used to determine a ton of things. You can even do a very quick check on the alternator, hook it up and start the carVoltage should go from around 12.6 volts to 14.0 give or take. This is also useful if you have a situation where a power feed has a large voltage drop, when checking fuses you may see low voltage on certain legs etc. Circuit Protection The PB100 power probe has a built in 8 amp circuit breaker to prevent overloading and cooking a circuit. One thing to remember is unlike a standard test light this tool can send straight battery power down whatever you have it touching. Anytime you back feed a electrical circuit you need to know what you are doing. The breaker will protect the circuit, however 8amps is still enough to do major damage on the wrong wire. Trailer Wiring A recurrent source of frustration for technicians nationwide, particularly those who service trailers subjected to road salt or saltwater environments. The long 20-ft. leads allow you to make your initial hookup directly at the vehicle battery while easily accessing the trailer harness connector plug at the rear of the vehicle. ANCEL PB100 Product Function: 1. Work Mode There are four modes to diagnose the electrical systems,which can be accessed by depressing the Mode Button and cycling through each one. DCvoltage; ACvoltage; Resistance; Diode 2. Voltage and polarity testing While the tool is in DC Voltage mode,contact the probe tip to a POSITIVE circuit.The red LED will light and the LCD displays the voltage with a resolution of 0.1V.A beep tone will sound. If contact the probe tip to a NEGATIVE circuit, the green LED will light and the LCD displays the voltage with a resolution of 0.1V.A beep tone will sound. If contact the probe tip to an OPEN circuit, neither of the LED will light. 3. Circuit Continuity Testing in Resistance mode While the tool is in Resistance mode,using the probe tip with chass is ground or the auxiliary ground lead,continuity can be tested on wires and components attached or disconnected from the vehicle's electrical system.When the probe tip is contacting a good ground,the LCD will indicate"0.0" and green LED wiil be on,A beep tone will sound. 4. Activating components in your hand While the tool is in DC voltage mode,by using the probe tip in connection with the auxiliary ground lead, components can be activated right in your hand,thereby testing their functions. Connect the auxiliary ground lead to the negative terminal or ground side of the component being tested. Then contact the probe tip to the positive terminal of the component,the green LED should light,indicating continuity through the component. While keeping an eye on the green LED,quickly press and release the power switch forward. If the green LED went out and the red LED came on,you may proceed with further activation. Rock the powers witch for ward and hold it down to provide power to your component. With the power switch rocked forward, power will flow from the positive lead on the battery into the probe tip, through the tip into the components positive terminal, into the component and out of the component, through the auxiliary ground lead and back into the tool, and back to the vehicles batterys ground. (1) Press the power switch forward to activate the bulb. (2) Contact the tip to the positive terminal of the bulb. (3) Connect the negative auxiliary clip If the green LED went off at that instant or if the circuit breaker tripped, the tool has been overloaded. This could happen for the following reasons: The contact you are probing is d