Power and Grounds
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Battery positive voltage is supplied at all times to the sunroof control module assembly from the 30 A SUNROOF fuse located in the underhood fuse block. Ground is supplied to the sunroof control module through the module ground circuit and G200.
Ground is supplied to the sunroof switch through the switch ground circuit and G200.