Headlamp Warning Alarm

The headlamp warning alarm sounds if the light switch is in the PARK position or the HEAD position, with the ignition key removed from the ignition cylinder and the LH front door open. The TAIL fuse applies voltage at all times to the light 1 relay. When the light switch is in the PARK position or the HEAD position, ground is supplied to the coil of the light 1 relay. This energizes the coil and closes the contacts, allowing the light 1 relay to apply voltage to the audio alarm module. With the LH front door open, the LH front door jamb switch provides a ground signal to the audio alarm module. When the both signals are received, the audio alarm module activates the headlamp warning alarm (about 1 pulse per second). The alarm continues to sound until you perform 1 of the following steps:
^ Turn the light switch to the OFF position with the LH front door closed.
^ Turn the ignition switch to the ON position.