Exterior Lighting: Headlamps
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The headlamp system is a dual-beam pattern system. It consists of a low and high beam, with a replaceable bulb. The lighting control module (LCM) supplies voltage to the headlamps when demanded. The LCM is located behind the LH instrument panel lower insulator rearward of the accelerator pedal.
The LCM monitors the headlamp switch. If a fault is detected with the headlamp switch inputs, the LCM defaults the exterior lights on.
The headlamps are vented to equalize pressure. When moist air enters the headlamp through the vents, there is a possibility that condensation can occur. This condensation is normal and will clear within 45 minutes of headlamp operation.