http://greggpeterson.com/aux_images/X3/189_8959.JPG
3 rows of pins, sort of like the MK navigation blue and maroon connectors, but with 3 rows of pins.

A close up:
http://i169.photobucket.com/albums/u...nnectorrm9.png
(ignore the blue part, which slides inside after inserting the pins and mounting it on the ULF unit, so you will only see the black part)