Sierra 3500 Denali 4WD V8-6.0L (2011)
Four Wheel Drive Selector Switch: Locations
Harness Routing Views
Engine Harness Routing - Rear (4.8L/5.3L/6.0L/6.2L except LFA/HP2)
1 - Dash Panel
2 - Transmission
3 - X175 (M30)
4 - Transfer Case Shift Control Switch (NQG)