Normal Conditions
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
The compass sensor module receives voltage from circuit 1173 (BN/OG) and is grounded through circuit 570 (BK/WH). The compass sensor module communicates the vehicle direction to the instrument cluster, which is displayed in the message center. The compass sensor module uses circuit 702 (WH/BK) and circuit 703 (WH/OG) to communicate to the instrument cluster.