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

Electronic Variable Orifice (EVO) Solenoid Connector


Object Number: 629302  Size: MF
(1)Power Steering Pump
(2)Electronic Variable Orifice (EVO) Solenoid
Figure 2:

Steering Handwheel Position/Speed Connector


Object Number: 623103  Size: MF
(1)Steering Column
(2)Steering Hand Wheel Postion/Speed Sensor
Figure 3:

Chassis Wiring Harness to Front Frame (25 Series 3/4 ton)


Object Number: 615810  Size: MF
(1)LF Shock Connector
(2)LF Wheel Speed Sensor Connector (Chassis Harness Side)
(3)LF Wheel Speed Sensor Connector
(4)LF Electronic Position Sensor Connector (Chassis Harness Side)
(5)LF Electronic Position Sensor Connector
(6)Chassis Harness
(7)RF Shock Connector
(8)RF Wheel Speed Sensor Connector
(9)RF Electronic Position Sensor Connector
(10)Frame
Figure 4:

Auto Leveler Air Compressor to Frame--RH


Object Number: 615762  Size: MF
(1)Frame
(2)Air Compressor Motor
(3)Compressor Leveling Module Connector
Figure 5:

Real Time Damping Connector to Body Wiring Harness


Object Number: 615767  Size: MF
(1)C197 (Chassis Harness Side)
(2)C197 (Body Harness Side)
(3)Frame
Figure 6:

Chassis Wiring Harness to Rear Position Sensor- LR - ( 25 Series )


Object Number: 615765  Size: MF
(1) LR Electronic Suspension Rear Position Sensor Connector
(2)LR Electronic Suspension Shock Absorber Connector
(3)LR Electronic Suspension Shock Absorber Connector (Chassis Harness Side)
(4)LR Electronic Suspension Rear Position Sensor Connector (Chassis Harness Side)
(5)Frame
Figure 7:

LR Shock Jumper Harness Connector (25 Series Only)


Object Number: 623035  Size: MF
(1)LR Shock
(2)LR Shock Connector
(3)Frame
Figure 8:

Rear Position Sensor-LH-(15 Series)


Object Number: 615735  Size: MF
(1)LH Rear Electronic Suspension Position Sensor
(2)Frame
(3)LH Rear Electronic Suspension Position Sensor Connector
Figure 9:

Rear Position Sensor-RH-(25 Series)


Object Number: 571419  Size: LF
(1)Axle
(2)Right Rear Electronic Suspension Position Sensor
(3)Sensor Arm
(4) Electronic Suspension Position Sensor Connector
Figure 10:

Front Position Sensor --RH-(25 Series)-Suburban Only


Object Number: 615639  Size: MF
(1)Frame
(2)Front RH Electronic Suspension Position Sensor Connector
(3)Front RH Electronic Suspension Position Sensor Connector
Figure 11:

Suspension Control Module (Utility)


Object Number: 617860  Size: MF
(1)Inner Side Body Panel
(2)Rear HVAC Blower Motor
(3)Suspension Control Module
Figure 12:

Suspension Control Module (Suburban)


Object Number: 617862  Size: MF
(1)Inner Side Body Panel
(2)Rear HVAC Lower Motor
(3)Suspension Control Module
Figure 13:

RTD Module Connectors


Object Number: 623102  Size: MF
(1)Body Side Inner Panel
(2)Body Wiring Harness
(3)Connector C-1 (Gray)
(4)Connector C-2 (Pink)
(5)Connector C-3 (Blue)