Normal Operation
WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
When the transaxle is placed in REVERSE, voltage is supplied to the reversing lamps through circuit CBP12 (GN/WH). Ground to the reversing lamps is provided through circuit GD171 (BK/GY).