R1100RT aux power socket - where does the extra one go?

[fatnfast]

I want to fit an extra power socket to my R1100RT down by the side of the bike. Where does is actually fit? On the black side cover? Its a genuine socket I have, but I don't want to drill a hole in the wrong place
Ta very much.

 

[Posh Pete]

In the ole to the left of the folding grab handle.

 

[fatnfast]

Many thanks, all done