Hi,
I have a D.C digital Volt & Ammeter with a single connector and Red Black & Yellow wires coming out. Connecting a voltage source between Red & Black wire reads the D.C. Voltage alright. But I have no idea how to use the Yellow wire and get the current reading. Can some one help please ?
svkrishnan.
16-08-2020

 

 

 

With reference to an older thread.
https://forum.allaboutcircuits.com/threads/wiring-a-three-wire-digital-voltmeter-ammeter.111362/

and a more recent one with five wires:
https://forum.allaboutcircuits.com/threads/chinese-voltmeter-ammeter-has-no-shunt.169104/