Quote:
Originally Posted by johnmn
I installed mine back in June, and had the same question as I have both PDC and CA. I did not need to unwrap the existing harness and separate wires. I know that I ended up with the old grommet and old wires inside the vehicle, connected to the new harness which passes through the hole previously used by the old harness. Tomorrow I can post a few pictures of what I did if it helps.
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John, this is tremendously helpful!
But if I did what you suggest (old grommet and old wires back inside the vehicle), I would not have a PDC connection, because the new trailer wiring harness does not have a PDC connector on the outside of the vehicle.