The CHEPQ P100 Automotive Power Probe Tester is a professional electrical diagnostic tool built for mechanics, automotive electricians, fleet technicians, and DIY vehicle owners. Designed with an impressive 0–65V testing range, it delivers accurate electrical diagnostics across passenger vehicles, commercial trucks, motorcycles, boats, and industrial equipment. Whether you're diagnosing a wiring problem, testing electrical components, checking battery voltage, or locating a f