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

Power, Ground and Transfer Case


Object Number: 541063  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
CRANK Fuse, 4WD Indicator Switch and Axle Clutch Solenoid
B+ Bus Bar
Power and Grounding Connector End Views
Ign ACC, RUN and RAP Bus Bar
ILLUM and 4WD Fuses, Shift Control Switch and Body Control Module (BCM)
CRANK Fuse, 4WD Indicator Switch and Axle Clutch Solenoid
SP201 (2.2L)
Transfer Case Control Connector End Views
Handling ESD Sensitive Parts Notice
Transfer Case Control Connector End Views
G205 and G206 (Utility)
G103 and G105 (4.3L)
w/o Trip Computer
G103 and G105 (4.3L)
G103 and G105 (4.3L)
G103 and G105 (4.3L)
Figure 2:

CRANK Fuse, 4WD Indicator Switch and Axle Clutch Solenoid


Object Number: 541065  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
ILLUM and 4WD Fuses, Shift Control Switch and Body Control Module (BCM)
Power, Ground and Transfer Case
Power and Grounding Connector End Views
CRANK and CLSTR Fuses
Manual Transmission Starting
Power, Ground and Transfer Case
Transfer Case Control Connector End Views
VCM Connector End Views
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 3:

ILLUM and 4WD Fuses, Shift Control Switch and Body Control Module (BCM)


Object Number: 541067  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Transfer Module and Transfer Case
CRANK Fuse, 4WD Indicator Switch and Axle Clutch Solenoid
ILLUM and PARK LP Fuses
Body Control System Connector End Views
Handling ESD Sensitive Parts Notice
Power, Ground and Transfer Case
ILLUM Fuse 12
BCM (Chevy/GMC)
PCM/VCM, Data Link Connector (DLC) and Dimming Signal
BCM (Chevy/GMC)
Power, Ground and Transfer Case
Transfer Case Control Connector End Views
Handling ESD Sensitive Parts Notice
G203 and G204 (Utility w/ Manual A/C)
G203 and G204 (Utility w/ Manual A/C)
Transfer Case Control Connector End Views
Handling ESD Sensitive Parts Notice
Figure 4:

Transfer Module and Transfer Case


Object Number: 541069  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Speed Sensors
ILLUM and 4WD Fuses, Shift Control Switch and Body Control Module (BCM)
Transfer Case Control Connector End Views
Handling ESD Sensitive Parts Notice
Transfer Case Control Connector End Views
Figure 5:

Speed Sensors


Object Number: 541070  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Transfer Module and Transfer Case
Transfer Case Control Connector End Views
Handling ESD Sensitive Parts Notice
G104 and G117
G104 and G117