“Which wires on the 4 pin connector are the plus and minus? I am hooking up the fan to my 12 volt battery to cool my condenser and electronic control module for my refrigeration on my boat.”

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• See: https://allpinouts.org/pinouts/connectors/motherboards/ Generally: Pin Name Color 1 GND black 2 +12VDC yellow 3 Sense green 4 Control blue

  Answered by shineon 6 years ago

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• Wire it first and if it blows in wrong direction, switch the wires. If you permanently wire it, then hopefully you can turn it the other way.

  Answered by Tarzan 7 years ago

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