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

Power, Ground, and DLC


Object Number: 1293780  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Transfer Case Encoder Motor
B+ Bus - Underhood Fuse Block
Splice Pack SP105 and G105 - 1 of 2
SIR, CRUISE/MISC, TRANS, BACK UP, and ABS Fuses
SIR, CRUISE/MISC, TRANS, BACK UP, and ABS Fuses
Shift Control Switch Inputs
Data Link Connector (DLC) Schematics
Splice Pack SP106 and G106 - 1 of 2
Figure 2:

Transfer Case Encoder Motor


Object Number: 1293781  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Front Axle Actuator
Power, Ground, and DLC
Transfer Case Control Schematic Icons
G100, G104, G102, G103, and G101
G100, G104, G102, G103, and G101
G100, G104, G102, G103, and G101
Figure 3:

Front Axle Actuator


Object Number: 1293782  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Shift Control Switch Inputs
Transfer Case Encoder Motor
B+ Bus - Underhood Fuse Block
Splice Pack SP105 and G105 - 1 of 2
G100, G104, G102, G103, and G101
G100, G104, G102, G103, and G101
G100, G104, G102, G103, and G101
Figure 4:

Shift Control Switch Inputs


Object Number: 1293783  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Front Axle Actuator
B+ Bus - Underhood Fuse Block
FRT PARK LAMP, REAR PARK LAMP #1, and REAR PARK LAMP #2 Fuses
FRT PARK LAMP, REAR PARK LAMP #1, and REAR PARK LAMP #2 Fuses
FRT PARK LAMP, REAR PARK LAMP #1, and REAR PARK LAMP #2 Fuses
Interior Lights Dimming
Splice Pack SP106 and G106 - 1 of 2
Power, Ground, and DLC