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Showing results for tags 'factory trailer wiring harne'.
I just finished installing a Prodigy Brake Controller today on a 2008 Cayenne. I found a couple of write ups that were helpful but not completely clear. First off if you have a Trailing Hitch installed on your Cayenne you also have a factory trailer wiring harness for a 7 pin connector. By the hitch, there is a blank plastic piece that needs to be removed and replaced with a 7 pin connector. You can get this connector from your Porsche Parts department, Part PNA-955-118-93,it was $30 CND so it will be like $2 in the US. Now if you don't want a brake controller just buy a 7pin to 4 pi