Trailer hitch factory wiring - Porsche Cayenne Forums : Porsche Cayenne Forum
 
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post #1 of 2 Old 02-11-2019, 02:02 PM Thread Starter
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Trailer hitch factory wiring

Trying to add a trailer hitch to my 2015 diesel, I have a factory 7 pin wiring harness but can only find the plug for the green plug on the harness. Where does the black plug go?
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post #2 of 2 Old 02-20-2019, 04:44 PM Thread Starter
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The black and red plugs connect to the trailer controller module that you need to purchase if you don't have the hitch option. If you take off the interior access panel at the right rear and look up you'll see the red plug. Link below is the part except for 2015 the part number ends in "J" not M. Dealer will require the Vin #

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