They appeared on the 03's.
You can get the wiring diagrams from the official berg website. The 04 diagrams might show it better.
They were available from this site but I just noticed the downloads section seems to have disappeared unless I'm missing something.
The brown and black go to ground, red to DC+.
Pretty sure the grey and white go to the mag pickup.
That'll make it work as a speedo/odo/hr meter- the other connector goes to an optional switch that opens up the extra functions.
