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

Cell 42 Automatic Level Control w/Inflator


Object Number: 428275  Size: FS
Automatic Level Control Suspension Components
Automatic Level Control Circuit Description
Automatic Level Control wo/Inflator
Cell 10: Ignition Switch
Cell 10: Fuse Block, Underhood Accessory Wiring Junction Block
Cell 110: Fuse Block and G401
Cell 11: BCM PRGRM, FRT WPR/WSHR, MALL/Radio/DIC, RR WPR/WSHR and SWCACCY Fuses
Cell 110: Fuse Block and G401
Cell 14: G401
Figure 2:

Automatic Level Control wo/Inflator


Object Number: 458516  Size: FS
Automatic Level Control Suspension Components
Automatic Level Control Circuit Description
Cell 42 Automatic Level Control w/Inflator
Cell 10: Fuse Block, Underhood Accessory Wiring Junction Block
Cell 10: Ignition Switch, Transaxle Range Switch
Cell 11: IGN 1 Fuse
Cell 110: Fuse Block and G401
Cell 14: G401