Circuit Description
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
The fog lamp relay is energized by the fog lamp switch only when the body control module (BCM) has activated the fog lamp enable circuit that supplies the fog lamp switch. The BCM will only activate the fog lamp enable circuit if the following conditions exist:
- The ignition switch must be in the RUN position.
- The headlamp switch must be in the park or headlamp ON position.
- The headlamp dimmer switch must be in the low beam position.