adding headlight wipers

Hey all,
Well I have added a pair of Bosch Euro Headlights to my 1992 300D, and now I am considering adding a set of headlight wipers.

Problem: my car was not wired for the wipers so I would have to add that wiring plus a fluid pump for the wipers etc.

Has anyone done this?? Seems like it would be pretty easy but I'm not sure exactly how they work.

Do the headlight wipers come when you turn on the windshield wiper, including intermittent, on demand, etc? Are they on the same circuit? If anyone has a wiring diagrm that would be perfect...

What about the washer fluid pump does it send fluid when you wash the windshield, or intermittently when the wipers are on...

Any info would be helpful,
Thanks Jason