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

Power, Ground and DLC


Object Number: 849258  Size: FS
Master Electrical Component List
Electronic Suspension Control Description and Operation
Steering Wheel Speed/Position Sensor Inputs
RTD, RR WPR, EAP, SUNROOF, IPC/DIC, SEO B1
IGN 3
RTD, RR WPR, EAP, SUNROOF, IPC/DIC, SEO B1
IGN 3
G304, G305
G306
G410 - 2 Of 3
SP206
Figure 2:

Steering Wheel Speed/Position Sensor Inputs


Object Number: 849259  Size: FS
Master Electrical Component List
Electronic Suspension Control Description and Operation
Suspension Position Sensors
Power, Ground and DLC
BRAKE, HTR/AC, HVAC I, CRUISE, 4WD
BRAKE, HTR/AC, HVAC I, CRUISE, 4WD
G203 - 3 of 3
G203 - 1 Of 2
G203 - 1 Of 2
Steering Wheel/Speed Position Sensor
Steering Wheel Speed/Position Inputs
Figure 3:

Suspension Position Sensors


Object Number: 849260  Size: FS
Master Electrical Component List
Electronic Suspension Control Description and Operation
Suspension Damper Solenoids
Steering Wheel Speed/Position Sensor Inputs
Figure 4:

Suspension Damper Solenoids


Object Number: 849261  Size: FS
Master Electrical Component List
Electronic Suspension Control Description and Operation
Suspension Position Sensors