If your full-scale number was 1. Open your wire kit and check the wires. Disconnect your negative battery cable again and switch the wires on the back of the meter if the indicator reads positive. About the Author. DC Amp meter, Amp hour and Watthour meter electrical connection examples for the Watt's Up meter are shown in the diagrams below. Related Content. Will see about that later.
Have you same kind of volt-ammeter?
I updated this article in August. Stansberry, Mark.