Do you have a RAVE manual?
https://www.dropbox.com/sh/47hbz40an5he5j2/AACH509eV_o7QhM5PoX6eFVLa
There is a another connector inside the doors just for the folding mirror's fold motor connection.
On a RHD Disco 2, The fold ecu is mounted LH side near the fuse panel area. Sometimes you can crawl under the LH side dash to find the connectors for it taped up with other cables.
Pics from my folding kit...