Transfer Case Control Schematics

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 GMC Yukon, 2006 Chevrolet Tahoe, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, Serial Data, and Switch Inputs

Courtesy of GENERAL MOTORS CORP.

Fig 2: Prop Shaft Speed Sensors and Front Axle Actuator

Courtesy of GENERAL MOTORS CORP.

Fig 3: Shift Motor and Encoder Circuits

Courtesy of GENERAL MOTORS CORP.