Which wire on the AC compressor is the + wire?

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FSUNole17

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When I install efans in a few months, I have looked at the directions and one of the steps is to hook up a wire to the AC compressor + lead. I have a 2008 5.7 that is stock. Thanks for the help everyone
 
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reddot

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pull the connector and either use a ohm meter to see what one is ground or with it on you can use a voltmeter to see what one gives you voltage with the neg lead grounded. also to find out if you got the right connector. Just pull the connector and try and turn you ac on. If the compressor dont run your good to go.
 
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FSUNole17

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I don't have a volt or ohm meter. Does anyone know from experience simply what color is positive?
 
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