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

Electric Operated System, Relay and Motors


Object Number: 769821  Size: FS
Master Electrical Component List
Two Speed Rear Axle Shift System Description and Operation Electric-Operated
Electric Operated System, Switches
CHAS, Axle, Circuit Breaker
Outside Mirror Schematichs
Eng 2, IGN RLY/VIM Circuit Breakers
Electric Operated System, Switches
Figure 2:

Electric Operated System, Switches


Object Number: 651590  Size: FS
Master Electrical Component List
Two Speed Rear Axle Shift System Description and Operation Electric-Operated
Air Operated Systems
Electric Operated System, Relay and Motors
Electric Operated System, Relay and Motors
Electric Operated System, Relay and Motors
G210, S204, S216, S245
S219
S110, S112
CHAS, Axle, Circuit Breakers
CHAS, Axle, Circuit Breakers
Figure 3:

Air Operated Systems


Object Number: 651592  Size: FS
Master Electrical Component List
Two Speed Rear Axle Shift System Description and Operation Air-Operated
Electric Operated System, Switches
CHAS, Axle, Circuit Breaker
Outside Mirror Schematichs
Eng 2, IGN RLY/VIM Circuit Breakers