Transfer Case Control Schematics

WARNING: This page is about a different car, the 2005 GMC Yukon XL and 2005 GMC Yukon. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, Serial Data, and Encoder Circuits Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 2: Control Switch and Module Schematics

Courtesy of GENERAL MOTORS CORP.