Dome Lamp on Chime

CIRCUIT OPERATION
The dome lamp ON chime is used to indicate to the operator that the dome lamps are ON with the drivers door OPEN.

Circuit G75 is used for the input to the Body Control Module (BCM) that the driver's door is ajar. This switch is normally OPEN with the door closed. When the door is OPEN a path to ground is completed through the case grounded switch.

Circuit M32 is used for the dome lamp ON input to the BCM. This circuit connects from the BCM to the headlamp switch. When the dome lamps are ON a ground path is completed through the switch to circuit Z1