WARNING: This page is about a different car, the 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 6.6L VIN 1, Power Distribution Circuit (1 of 5)
Fig 2: 6.6L VIN 1, Power Distribution Circuit (2 of 5)
Fig 3: 6.6L VIN 1, Power Distribution Circuit (3 of 5)
Fig 4: 6.6L VIN 1, Power Distribution Circuit (4 of 5)
Fig 5: 6.6L VIN 1, Power Distribution Circuit (5 of 5)