Circuit Probe Tester, Automotive Short Circuit Protection Diagnostic Tool with 4M Long Cable Overload Protection Auto Electrical System Test Pen

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• Professional car electric circuit probe tester greatly shortens diagnostic time for vehicle electrical systems. Helps you quickly inspect, troubleshoot and repair automotive circuits easily and efficiently
• Comes with approx 4m extended cable. Allows flexible work for testing different vehicle positions, bringing more convenience to repair work
• Simply connect to the car battery, then toggle the power switch forward or reverse to output positive or negative current to the probe tip. Easy for technicians to operate and detect circuit problems intuitively
• Supports DC 6-24V wide voltage range with 7A overload protection. Automatically cuts off current when overloaded with alarm reminder, and resets in 3-5 seconds automatically for safe use
• Capable of tracking short circuits, testing continuity, checking switches, relays, diodes and circuit on-off. Also supports cable polarity detection and bad ground connection testing, ideal for auto repair and maintenance

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