gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Power and Ground Distribution > < Horn Relay|Locations
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Interior Lighting Module: Description and Operation

INTERIOR LAMPS

The interior lighting consist of the following three groups. This first group includes lamps that may not be dimmed.
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The courtesy lamps

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The stepwell lamps

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The dome/reading lamps

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The vanity mirror lamps

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The IP compartment lamps

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The driver and passenger door control switch illumination

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The Rear Audio Control Illumination

Relays and Modules - Power and Ground Distribution > < Horn Relay|Locations