Suburban 3/4 Ton 4WD V8-393 6.5L DSL Turbo (1993)
Dome Lamp: Description and Operation
Voltage is supplied at all times from the CTSY Fuse to the Courtesy Lamp, Dome Lamp and I/P Compartment Box Lamp. The Courtesy and Dome
Lamps turn on when a ground path is provided by the Panel Dimmer Switch or one of the Door Jamb Switches.
The I/P Compartment Box and Vanity Lamps have their own switches that provide ground paths when their switches close.
