question

saran avatar image
saran asked

Is it normal to have voltages on unconnected output and on input?

I've just replaced 120-2AC with 140-3AC and before connecting the Output 3 (one on the left) to the new battery, I tested the voltages on the Victron.

Situation:

  • alternator is not running
  • all (engine and service) main switches are off
  • Output 1 is connected to 2 service batteries in parallel
  • Output 2 is connected to start battery
  • Output 3 is not connected

Here's link to the video: https://i.imgur.com/U6fURoc.mp4 (attaching it directly here throws an error).

So, the question: is it normal to have voltages on unconnected output (3) and on input that is not producing current?

Thanks for clarifying in advance!

voltageArgo FET Diode
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1 Answer
kevgermany avatar image
kevgermany answered ·

If you don't have a common earth/ground/negative, this can happen.

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