Performance Tool W2979 Cordless Circuit Tester (3 to 28 Volt) Safe with ECM's, Sensors, Transducers and More Black
The Wilmar W2979 Cordless Circuit Tester detects voltage from 3 to 28 volts. It is completely safe with ECMs sensors, transducers, etc. No grounding clip required. Includes 2 "N†type long-life batteries.