I need a 2 source - 12 Volt switching circuit

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tuxamiga

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The closest circuit I have seen is the schmitt trigger.

If 12 volt source A is turned ON, then 12 volt source B is turned OFF,

else 12 volt source B is turned ON.

Any ideas? Thanks
 
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The closest circuit I have seen is the schmitt trigger.

If 12 volt source A is turned ON, then 12 volt source B is turned OFF,

else 12 volt source B is turned ON.

Any ideas? Thanks

What are the sources? You might be able to do it with just a diode. Otherwise, how about a relay?
 
Relay spst-no + spst-nc 5a 12 vdc

Yes, this relay will work.

I was checking to see if there might be a solid state circuit that could do the same thing.

Thanks for your input.
 
You didn't mentioned whether vice versa should be satisfied or not.If it is not so then you can use a 2:1 multiplexer with its select line as Voltage source A & at i/p side make one pin ground(preferably 2nd pin) and other with voltage source B.
 
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