Interior Lamps
When a door is opened or the panel/Interior lamp control (on dim/twilight sentinel Control) is operated, a ground path is provided to light the footwell, door, header courtesy, and door warning lamps.Voltage is also applied to the engine compartment lamp. It lights when its switch closes, providing a ground path.
Voltage is applied at all times to the cigar lighters and the I/P compartment lamp, which lights when the I/P compartment is opened, closing its switch and providing a ground path.
The luggage compartment lamp comes on when the luggage compartment lid is opened, closing its switch and providing a ground path. The vanity mirror lamps come on when the mirror is opened, closing its cover switch.