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spoiler1041 05-19-2020 11:43 AM
blowing down converter fuses
 
my 48v to 12v converter blows fuse instantly. OK, a short. Was looking for a way to test for the short so I know when its fixed. Thought was hook meter to positive going into converter (now shorted out) then other probe to + on battery, I assume there should be no reading normally + to + but a short would complete the circuit through the converter. I get a reading so short is confirmed but I get the full 52v not 12v. So is the converter actually broke or is 52v expected?

spoiler1041 05-19-2020 06:57 PM
Re: blowing down converter fuses
 
Disconnected output and fuse lived but there is now power to my NEWLY REPLACED volt meter. Could it be wired wrong? It has 3 wires, what comes off the key? Pos or neg?

spoiler1041 05-21-2020 09:58 PM
Re: blowing down converter fuses
 
Quote:
Originally Posted by spoiler1041 (Post 1720037)
my 48v to 12v converter blows fuse instantly. OK, a short. Was looking for a way to test for the short so I know when its fixed. Thought was hook meter to positive going into converter (now shorted out) then other probe to + on battery, I assume there should be no reading normally + to + but a short would complete the circuit through the converter. I get a reading so short is confirmed but I get the full 52v not 12v. So is the converter actually broke or is 52v expected?
To answer my own question, it seems a converter uses a ac transformer so my test was only showing the primary side, so 52v is expected that's my guess from what I learned.


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