Hi Damon; as far as we know you will still need the relay to install the Prodigy P3 # 90195 on your 2009 Porsche Cayenne. There isn't a wiring harness that can work around this. However, you will not need to assemble your own wiring harness since you can use the # TK22FR for plug and play. Follow the instructions below from the tech bulletin to add in the relay. Let me know if you need anything else. view full answer...
Hey Jack, I attached a link to this page down below that will take you to our hitch installer locater. What Stealth hitch are you looking at? view full answer...
Hey Mike, thanks for reaching out!
Sounds like you're needing the 7-Way to 4-Way/5-Way Trailer Adapter # C35FR to match the 7-Way on your 2018 Porsche Cayenne with the 4-Way/5-Way on your EZ Loader boat trailer.
This adapter was designed for pretty specific applications and your vehicle falls into the category of having Lamp-Out Sensors and the boat trailer having LED lights so the adapter will work out perfectly for you! view full answer...
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