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

Instrument Panel, Gages, and Console Sub-System


Object Number: 784827  Size: LF
(1)Driver Information Center (DIC) -- Left
(2)Overhead Console
(3)Driver Information Center (DIC) -- Right
Figure 2:

CKP B, CKP A, Engine Oil Pressure Switch, and Engine Oil Level Switch


Object Number: 602338  Size: SH
(1)Crankshaft Position Sensor (CKP) Sensor B
(2)Crankshaft Position Sensor (CKP) Sensor A
(3)Engine Oil Pressure (EOP) Switch
(4)Engine Oil Level Switch
Figure 3:

CKP B, CKP A, Engine Oil Pressure Switch, and Engine Oil Level Switch


Object Number: 602338  Size: SH
(1)Crankshaft Position Sensor (CKP) Sensor B
(2)Crankshaft Position Sensor (CKP) Sensor A
(3)Engine Oil Pressure (EOP) Switch
(4)Engine Oil Level Switch