GMC Workshop Service and Repair Manuals > Sierra 3500 4WD V8-6.0L (2008) > Sensors and Switches | Sensors and Switches - HVAC | Solar Sensor, HVAC | Component Information | Locations

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19 - Transfer Case Shift Control Switch (NQF/NQH)
20 - Turn Signal Multifunction Switch

GMC Workshop Service and Repair Manuals