This item is a battery checker tester for 9V,, , AA, AAA, button battery. With it you can easily get the current volt of the tested battry, and know which batteries to keep and which to throw, place your battery between the of the battery tester, and the pointer display will indicate that whether there is a battery need to be replaced.
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The Tester is designed to indicate a faulty wiring or blown bulbs/light in the wiring on your trailer, or horsebox with a Six Light. It can be used on many Applications fitted with Unit N 7 pin plugs and sockets generally fitted on Trailers, Caravans, Cars, Truck etc.
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This diagnostic tool quickly identifies faults in the wiring circuit of your towing vehicle or trailer, allowing for a worry-free towing experience. 12V Diagnostic Tool for Safe Towing & Vehicles. 7 Pin Trailer Light Tester.
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Features: The circuit tester automotive is for diagnosing 6V-24V power circuits, making it a essential addition to any automotive toolkit for efficient troubleshooting and maintenance. For automotive repair technicians, DIYer enthusiasts, and vehicle electricians, this circuit tester empowers users with the ability to quickly identify electrical issue in vehicles.
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