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

With Inflator


Object Number: 856837  Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
ELC Schematics - Without Inflator
BATT Main 2, ELC/TRAILER, RR FOG LP Fuses
BATT Main 2, ELC/TRAILER, RR FOG LP Fuses
RAP Relay, Fuse Block - Underhood, and Fuse Block - I/P Fuses
G402
BATT Main 2, ELC/TRAILER, RR FOG LP Fuses
BATT Main 2, ELC/TRAILER, RR FOG LP Fuses
Figure 2:

Without Inflator


Object Number: 856839  Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
ELC Schematics - With Inflator
RAP Relay, Fuse Block - Underhood, and Fuse Block - I/P Fuses
BATT Main 2, ELC/TRAILER, RR FOG LP Fuses
BATT Main 2, ELC/TRAILER, RR FOG LP Fuses
G402