Transfer Case Actuator Shaft Position Sensor Assembly
WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transfer Case Actuator Shaft Position Sensor Assembly
Courtesy of GENERAL MOTORS CORP.
This sensor works in conjunction with the incremental sensor and shows transfer case position in degrees.