GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Tahoe - 4WD 🢒 Suspension 🢒 Real Time Damping (RTD) 🢒 Automatic Level Control Schematics
Figure 1:

Compressor Control
Object Number: 744462 Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
Suspension Level Control
IGN 3 Fuse
IGN 3 Fuse
ABS, HAZ LP, STUD 1, STUD 2, CTSY LP, and PARK LP Fuses
ABS, HAZ LP, STUD 1, STUD 2, CTSY LP, and PARK LP Fuses
IGN 3 Fuse
G410 - 1 of 2
G305
IGN 3 Fuse
Figure 2:

Suspension Level Control
Object Number: 789288 Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation
Compressor Control
RTD, RDO AMP, CRANK, and IGN 0 Fuses
Suspension Position Sensors
RTD, RDO AMP, CRANK, and IGN 0 Fuses