Autel PowerScan PS100 Power Circuit Probe Kit 2026, for All 12V 24V Cars

Features

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• 【2026 Autel PS100 Power Circuit Tester, All-in-One Electrical Diagnostic Tool】More than a digital multimeter, the 2026 Autel PS100 combines Circuit Testing, Continuity Testing, Voltage & Polarity Testing, Power/Ground Activation, Electrical Component Testing, Ground Contact Testing, Short Circuit Detection, Relay Testing, Trailer Light & Connection Testing in one professional tool. Quickly diagnose switches, fuses, relays, motors, sensors, wiring, and connectors, or activate components like cooling fans, fuel pumps, windshield wipers. Designed for professional mechanics and DIY users, the PS100 helps pinpoint electrical faults faster and reduce troubleshooting time.
• 【4 Test Modes for Faster Electrical Diagnostics】Autel PS100 Power Circuit Tester features 4 diagnostic modes to quickly identify electrical faults. DC Voltage Mode measures voltage with 0.1V resolution for accurate battery and circuit checks. AC Voltage Mode displays maximum/minimum voltage, frequency, and duty cycle for sensor and signal diagnostics. Resistance Mode accurately measures resistance between the probe tip and auxiliary ground lead to verify circuit continuity. Tone On/Off Mode lets you mute the audible buzzer during extended testing, providing a quieter and more comfortable diagnostic experience for professional technicians and DIYer.
• 【Power Activation & Bad Ground Detection】Autel PS100 Circuit Tester actively powers and tests automotive electrical components to speed up fault diagnosis. Safely send power or ground signals to verify the operation of lights, cooling fans, blower motors, windshield wipers, relays, solenoids, and other 12V/24V electrical components before replacement. The Bad Ground Detection function quickly identifies poor or missing ground connections using clear LED indicators, helping locate wiring faults, loose connections, and grounding issues with greater accuracy while reducing unnecessary parts replacement and repair time.
• 【Accurate Voltage & Polarity Testing】PS100 automotive circuit tester makes electrical diagnostics faster and easier with instant voltage and polarity identification. In DC Voltage Mode, the LCD displays voltage with 0.1V resolution while the red LED indicates a positive circuit and the green LED identifies a ground/negative circuit. Distinct audible tones provide additional polarity confirmation, allowing technicians to quickly verify power supply, trace wiring, test fuses, connectors, switches, and electrical circuits with greater speed, confidence, and accuracy.
• 【Continuity & Signal Circuit Testing】Autel PS100 car relay tester quickly verifies circuit continuity, resistance, and signal integrity to accurately locate electrical faults. In Resistance Mode, test wires, switches, relays, fuses, diodes, and connectors using the probe tip with chassis ground or the auxiliary ground lead, whether components are installed or removed. Signal Circuit Testing helps diagnose sensor-related issues after retrieving DTCs by checking circuit signals and wiring conditions, enabling faster fault isolation, reducing guesswork, and improving repair efficiency for professional technicians and DIY mechanics.
• 【Fast Short Circuit & Bad Ground Locator】 Autel PowerScan PS100 short finder tool helps you quickly trace short circuits, blown-fuse faults, and poor ground connections without repeatedly replacing fuses. Simply energize each fuse contact with the probe to identify the circuit that trips the breaker and pinpoint the shorted wiring. The built-in Bad Ground Detection function instantly verifies grounding quality, making it easy to locate wiring faults, damaged harnesses, loose connections, and intermittent electrical issues while significantly reducing diagnostic time and repair costs.
• 【40FT Extended Reach & Built-In LED Work Light】Autel PS100 car light tester includes a 20ft main cable + 20ft extension cable (40ft total), providing exceptional reach for testing cars, SUVs, trucks, trailers, RVs, tractors, and other large vehicles without repositioning the battery connection. The integrated high-brightness LED work light illuminates dark engine bays, under-dash areas, and nighttime repair environments, improving visibility, diagnostic accuracy, and overall efficiency in professional workshops or roadside troubleshooting.
• 【Universal 6V–30V Compatibility & Reliable Sup-port】 Autel PS100 car circuit tester is compatible with 6V–30V electrical systems, making it ideal for cars, SUVs, pickup trucks, motorcycles, boats, trailers, RVs, ATVs, tractors, and other vehicles or equipment. Diagnose and activate radiator fans, starter motors, relays, window regulators, fuel pumps, windshield wipers, lighting circuits, and more with confidence. Includes a 1-Year War-ranty, 30-Day Re-fund/ Re-placement, and lifetime technical sup-port. Rea-ch us anytime through Amazon Messages for fast, professional ass-istance.