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

w/F45


Object Number: 1411431  Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation w/F45
w/o F45
Rear Fuse Block Battery Voltage
ELC, NIGHT VISION, HVAC, and ABS Fuses and ELC Relay
ESC Module Power and Ground
G401
Figure 2:

w/o F45


Object Number: 1411432  Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation w/o F45
w/ F45
Rear Fuse Block Battery Voltage
ELC, NIGHT VISION, HVAC, and ABS Fuses and ELC Relay
Automatic Level Control Schematic Icons
G401