Electronic Specialties 181 LOADpro Dynamic Test Lead and Fundamental Electrical Troubleshooting Book,2,Red,Black
LOADpro performs voltage drop test with the push of a button. On a 12 Volt system, pressing the switch applies a load of approximately 0.5 Amps across the circuit. This simple test finds problems in corroded wires/connections and shorts to ground. It works with your existing DMM.