ThunderMax® AutoTune Data Port "Y" Harness

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The ThunderMax® AutoTune gets its power and communicates to the ECM through the motorcycle’s factory data port plug. This ‘Y’ harness allows the AutoTune module to be plugged in with an additional plug remaining open for other tasks. Not applicable for 2008-up Touring, 2011-Later Softail®, and 2012-Later Dyna® models.