10/50/100A Voltmeter Amperemeter LED-Dual Digital Volt Amp Meter-Test Tester-Messgerät✅
ab 7,40 €
Otherwise it will burn the header. Make sure that the thick black wire is connected to the negative pole of the battery, and the thick red wire is connected to the negative pole of the load. The display shows 0 99.99% because of incorrect wiring.
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