Quote Originally Posted by rufusking View Post
On the D4 the trailer harness plugs into the loom behind the tow hitch receiver compartment (passenger side in cargo area). From here it is easy to isolate the Blue wire and connect in the trailer brakes.

The top connector feeds the white capped socket (intended for power for caravans etc in EU) the lower one is for the trailer lights etc. ...<snip>
Thanks, for than info, I am seriously contemplating fitting a NATO plug in place of the white one!