Power Probe 3 Testing Kit the ultimate diagnostic companion for various situations and tests, Packed with features, this versatile kit is designed for reliability and efficiency in automotive testing. Key Features: Relay & Component Testing: Seamlessly test relays and components with precision, streamlining your diagnostic process. Continuity Testing: Quickly identify continuity issues, ensuring optimal electrical connections. Bad Ground Indicator: Instantly detect bad grounds, saving valuable time in troubleshooting. Short & Circuit Indicator: Efficiently pinpoint shorts and circuit issues for swift and accurate diagnostics. Plus - The Power Probe 3 Testing Kit is equipped with additional features to enhance your diagnostic capabilities, making it an indispensable tool for professionals and enthusiasts alike. Power Probe 3 the original and most loved diagnostic testing tool on the market, used by many loved by all.