Possible Causes

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

circuit 29S-LE16 (OG/GN) (LH headlamp) open
circuit 29S-LE23 (OG/WH) (RH headlamp) open
circuit 31S-LE16 (BK/RD) (LH halogen headlamp) open or shorted to power
circuit 31S-LE23 (BK/WH) (RH halogen headlamp) open or shorted to power
circuit 91S-LE16 (BN/YE) (LH HID relay) open or shorted to power
circuit 91S-LE23 (BN/WH) (RH HID relay) open or shorted to power
circuit 30-LE31 (RD/YE) (LH HID relay) open
circuit 30-LE30 (RD/BU) (RH HID relay) open
circuit 30S-LE16 (OG/GN) (LH HID headlamp) open
circuit 30S-LE23 (OG/WH) (RH HID headlamp) open
circuit 31-LE16 (BK/RD) (LH HID headlamp) open
circuit 31-LE23 (BK/WH) (RH HID headlamp) open
HID relay
ballast and HID bulb
FEM