GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 Yukon XL - 4WD 🢒 Suspension 🢒 Automatic Level Control 🢒 Automatic Level Control Schematics
Figure 1:

Compressor Motor Control
Object Number: 1607842 Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
Control Module References
Suspension Level Control
Ignition Switch - ACCY/RUN/START, RUN, and START Busses, IGN A and CRANK Fuses
IGN 3 Fuse - 1 of 2
IGN 3 Fuse - 1 of 2
IGN 3 Fuse - 1 of 2
B+ Bus - 1 of 2
ABS, MBEC 1, RTD, STUD 2, VSES/ECAS Fuses; RT DOORS, and SEATS Circuit Breakers
G401 and G402
G410 1 of 3
G410 1 of 3
G410 1 of 3
G306
G304 and G305
Figure 2:

Suspension Level Control
Object Number: 1607843 Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
Control Module References
Compressor Motor Control
B+ Bus - 1 of 2
ABS, MBEC 1, RTD, STUD 2, VSES/ECAS Fuses; RT DOORS, and SEATS Circuit Breakers
Suspension Position Sensors