How To Check Charger Output Voltage. This video tutorial will show you how to check laptop charger and how to solve charging problemsCheckLaptopCharger FixLaptopBatteryNotCharging CheckChar. If it uses negative polarity its the other way around black in the middle and red outside.
With the engine running connect the meter red probe to terminal B on the back of the alternator and the black meter probe to the alternator case ground. For AC VOLTS connect the other end to ground such as an engine bolt or cylinder fin. Convert a USB Cable Into a USB Test Probe.
The battery is an almost new NIMH.
Two effectively test the charger your negative multi-meter probe must touch both narrow tabs simultaneously. I have checked all the batteries in. For DC AMPS connect the other end to the batterys positive terminal. Your looking for a match on the voltage and amperage listed under outp.
