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Home >> Chevrolet >> 2004 >> Silverado SS AWD V8-6.0L VIN N >> Repair and Diagnosis >> Lighting and Horns >> Exterior Lighting Module >> Description and Operation
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Exterior Lighting Module: Description and Operation

ROOF BEACON LAMP

The roof beacon lamp will illuminate when the driver depresses the roof beacon lamp switch. The SEO B1 15-amp fuse in the underhood fuse block supplies battery positive voltage to the roof beacon switch. The SEO B2 30-amp fuse in the underhood fuse block supplies battery positive voltage to the roof beacon relay. When the switch is depressed, the roof beacon coil is energized and the roof beacon relay supplies voltage to the roof beacon lights. The roof beacon relay and roof beacon light is grounded at G304 except crewcab, and crewcab is grounded at G305.
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