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Home >> Ford >> 2000 >> Excursion 4WD V10-6.8L VIN S >> Repair and Diagnosis >> Lighting and Horns >> Description and Operation >> Interior Lighting
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Interior Lighting

Interior Lighting - Excursion, Super Duty Series F-250, F-350, F-450, F-550

Interior Lighting Components
The interior lighting components include:
- front interior/map lamps
- vanity mirror lamps
- rear interior/reading lamps (if equipped)
- rear interior lamp (if equipped)
- running board lamps (if equipped)
- Generic Electronic Module (GEM)
- door open warning lamp switches

Generic Electronic Module (GEM)
The GEM controls the interior lamps.

Door Open Warning Lamp Switch
The door warning lamp switch is an integral component of the door latch assembly.

Interior Lighting - Motorhome
The interior lamps are turned on either by the driver side door ajar switch or the main lamp switch. Both switches supply ground to the interior lamp relay coil, which in turn supplies power to the interior lamps.
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