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

Center of Vehicle


Object Number: 822020  Size: LF
(1)Fuel Pump and Sender Assembly
(2)Primary Fuel Tank
(3)C420
(4)Fuel Sender - Secondary
Figure 2:

Chime Module


Object Number: 1430187  Size: LF
(1)Chime Module
Figure 3:

Fuel Senders, G400, Low Air Alarms, Splice Pack SP400 (Ground Block) - LG4/LG5


Object Number: 953488  Size: LF
(1)Fuel Sender - Primary
(2)Fuel Tank
(3)Low Air Pressure Switch - Primary
(4)Low Air Pressure Switch - Secondary
(5)Splice Pack SP400 (Ground Block - 6 cavities)
(6)Fuel Sender - Secondary Connector
(7)Ground G400
(8)Fuel Sender - Secondary
(9)Fuel Tank - Secondary
Figure 4:

Front Left of the I/P


Object Number: 1483846  Size: MF
(1)Headlamp Switch
(2)Fast Idle Switch
(3)Instrument Panel Cluster
(4)Exhaust Brake Switch
(5)HVAC Control Module
Figure 5:

Lower Back of Engine


Object Number: 1702248  Size: LF
(1)Knock Sensor (KS) Bank 2
(2)Engine Oil Level Switch
(3)Starter Solenoid
(4)Engine Chassis Harness