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What Is The Best Way To Test Connections To Determine Wire Function?  

Question:

how would i test which connections are what

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Expert Reply:

The best way to test wire function is to use a wire probe like part # PTW2991. You can use this to test each individual wire or connection and determine its function. For example if you were to put the tester to the yellow wire, and you detect a pulsing signal with the left turn signal applied, then you have found your left turn circuit. You can use this process, and the process of elimination to determine the function of each wire.

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Jesse M

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