GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2006 🢒 H2 🢒 Suspension 🢒 Air Suspension 🢒 Suspension Controls Component Views
Figure 1:

Rear Underbody (Early Production SUV)
Object Number: 856216 Size: LF
(1)Air Suspension Inlet Valve-Left Rear
(2)Air Suspension Inlet Valve-RR
(3)Compressor Connector
(4)Air Suspension Air Dryer
(5)Air Suspension Compressor
(6)Air Suspension Module
(7)Air Suspension Exhaust Valve Connector
(8)C450
(9)C451
(10)Air Suspension Inlet Valve Connector-Left Rear/RR
(11)Air Suspension Pressure Sensor
(12)Air Suspension Exhaust Valve
Figure 2:

Rear Underbody (Except Early Production SUV)
Object Number: 1409337 Size: LF
(1)C451
(2)Air Suspension Compressor 1 Connector
(3)Air Suspension Compressor 2 Connector
(4)Air Suspension Pressure Sensor
(5)Air Suspension Inlet Valve-Left Rear
(6)Air Suspension Inlet Valve-RR
(7)Air Suspension Exhaust Valve Connector
(8)Air Suspension Air Dryer
(9)Air Suspension Compressor 1
(10)Air Suspension Compressor 2
(11)Air Suspension Module
(12)C450
Figure 3:

Chassis and Body Mounted Components
Object Number: 1506558 Size: LF
(1)Electronically Controlled Air Suspension Relay
(2)Chassis Harness
(3)I/P Compartment
(4)Traction Control Switch
(5)Tow/Haul Switch
(6)Ride Height Switch
(7)Air Suspension Sensor - Left Rear
(8)Air Suspension Inflator Switch
Figure 4:

Air Suspension Module Connections
Object Number: 1769001 Size: MF
(1)Air Suspension Module
(2)G402
(3)C451
(4)Rear Axle
(5)C450
Figure 5:

Right Rear Corner of Cargo Bed (SUT)
Object Number: 1489087 Size: LF
(1)Air Inflator Switch (ZM6)
(2)Auxiliary Power Outlet - Cargo (SUT)
Figure 6:

LR of Engine Compartment
Object Number: 1394157 Size: LF
(1)Dash-Upper Plenum
(2)Master Cylinder
(3)Electronically Controlled Air Suspension Relay
(4)Chassis Harness