92PCS Wiring Assistance Kit: A Perfect Wiring Circuit Checking Tool Can be used quickly to set up and help the technician to accurately check the car problems is perfect and make any job painless. Its variable resistors can be used to simulate coolant temperature sensor signals and throttle position sensor signals to the vehicle's ECU to avoid unnecessary replacement of new parts. HP-770J multimeter : ????ãHigh Precision Automotive MultimeterãMeasure DC Amperage to 20A, AC DC Volt to 750V~1000V, Ohm Range from 200Ω to 200MΩ, Temp range from -4~1800â, 3/4/5/6/8 Cylinder Switchable, 0.1ms~10.0 ms pules width, 000~10000RPM Tachometer and Dwell Angle Test. ????ãMulti-function MultimeterãData Hold,NCV function,Auto Backlight,Auto Power Off,Diode Test,hFE test,Continuity Buzzer,Temperature Measuring,.