GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Transfer Case Shift Control Module


Object Number: 770347  Size: MF
(1)Transfer Case Shift Control Module
(2)Fuse Block Connector
(3)Splice Pack 205 (SP205)
(4)Courtesy Lamp Socket
(5)Bulb
(6)Courtesy Lamp IP Bracket
(7)Fuse Block
(8)Transfer Case Shift Control Module Connector - C1
(9)Transfer Case Shift Control Module Connector - C2
Figure 2:

Transfer Case Shift Control Switch


Object Number: 770349  Size: MF
(1)Transfer Case Shift Control Switch
(2)Instrument Panel Switch and Deflector Housing
Figure 3:

Transfer Case Harness Routing View


Object Number: 770331  Size: LF
(1)Motor Control/Locking Solenoid Connector
(1)Motor Control/Locking Solenoid Connector
(2)Harness Bracket
(2)Harness Bracket
(3)Vehicle Speed Sensor (VSS) Connector
(4)Propshaft Speed Sensor Connector - Rear
(5)Propshaft Speed Sensor-Rear
(6)Transfer Case
(7)Vehicle Speed Sensor (VSS)
(8)Propshaft Speed Sensor - Front
(9)Propshaft Speed Sensor Connector - Front
(10)Left Frame Rail
(11)Encoder Motor Connector
(12)VSS Harness
(13)VSS Adapter Harness Connector
Figure 4:

Front Drive Axle Harness Routing (K25 Series)


Object Number: 770332  Size: LF
(1)Ground 110 (G110)
(2)Vent Tube
(3)Vent Tube Connection
(4)Front Axle Actuator
(5)Front Axle Actuator Connector
(6)Left Inner Fender
Figure 5:

Front Drive Axle Harness Routing (K15 Series)


Object Number: 770334  Size: LF
(1)Vent Tube
(2)Vent Tube Connection
(3)Front Axle Actuator
(4)Front Axle Actuator Connector
(5)Front Drive Axle Assembly (Mount)
(6)Ground 110 (G110)
(7)Left Inner Fender