Thanks for that. They are similar figures to what I could see. I may swap them over and see if the fault moves or stays.
But I think in the end you are right, get 2 and that should eliminate them. Island 4x4 do OEMs which are £££, Eurospares...
I took the RL off, it looked a little suspect and had been custom wired into place, lots of glue or something on it too, Found out why, the mount is broken.
Then I took the RR off, seems to be as per original.
Putting a meter over the pins they...