July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Section 173 (System Wiring Diagrams): Headlights
WARNING: This page is about a different car, the 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Headlights Circuit, W/ Police Or Emergency Vehicle Option
Fig 2: Headlights Circuit, W/O Police Or Emergency Vehicle Option