Since I've been dismissed by the dealer for wanting to attempt this with an OEM wiring harness, I've snipped the necessary connectors from the harness with some extra wire to spare.
I'm using a wiring harness I bought from www.theretrofitsource.com
and tested it last night for each headlamp. The LH lamp has three connections, one for the low-beam, one to trigger the bi-xenon solenoid for high beam, and the ground. The RH lamp has several more connections - I've found the ground and power for the low-beam, but i still have to locate the power for the solenoid.
I'm still working on how to use the bi-xenon part of the lamp and integrate it with the wiring harness I will use. I'll try to get some pictures of everything I'm using. I realize that most people will have to open up the ports on the headlamps themselves, but it should help give an idea of what to look for.