- 24V+ Isolated Ground Leak
Re: 24V+ Isolated Ground Leak
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I bet some "certified electronic technician" was aboard and did something like "grounding and instrument."
I have seen this more than once. And it is usually because someone is adding some device to the nav station.
Please send me a photo of the 24v Permanent Bus.
Interesting that there would be a permanent on circuit with a transformer. Would tend to make one kind of crazy
The switches are original but they are working just fine. I believe Bill R’s and Mark’s explanation regarding the ‘permanent circuit’ explains why I was still seeing the leak with the switches off, but I appreciate your thoughts.
My rudimentary understanding is where there is voltage there is current.
After I get this rectified, I am going to check and make sure there is no issue with the rigging. I appreciate the suggestion.
Bill R and Mark,
There are two wires on the negative post of the ‘permanent’ bus but I have not traced them yet. With your information, I was able to narrow the leak down to the instrument circuit. With the instrument circuit breaker off, the positive leak goes away. I will do some more investigating tomorrow and report back when I figure things out further or ask for more assistance if I hit a road block.
My sincere thanks to you both for your help. I will sleep much better tonight knowing the leak has been temporarily removed.
All the best,
SM #466 - s/v Rita Kathryn
Currently Exploring City Island, NY
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