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

Engine, Lower Right


Object Number: 755012  Size: MF
(1)Chassis Harness
(2)Front Axle Actuator
Figure 2:

Instrument Carrier Support, Lower Left


Object Number: 753262  Size: MF
(1)Transfer Case Shift Control Module
(2)Instrument Carrier Support, Left Side
Figure 3:

Transfer Case Select Switch


Object Number: 753280  Size: MF
(1)GMC Transfer Case Select Switch, Oldsmobile similar
(2)Chevrolet Transfer Case Select Switch
(3)IP trim plate
(4)IP trim plate
Figure 4:

Engine Harness, Transfer Case


Object Number: 799400  Size: MF
(1)Transfer Case Motor Encoder Connector
(2)C310, Engine to Chassis Harness
(3)Engine Harness
(4)Chassis Harness