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

Ground and Splice Pack Locations


Object Number: 1364524  Size: MF
(1)G105
(2)G107
(3)G203
(4)G201
(5)G403
(6)G401
(7)G301
(8)G205
(9)G207, SP200
(10)G103
(11) G101
Figure 2:

Battery and Fuse Block Locations


Object Number: 1429747  Size: MF
(1)Battery
(2)Fuse Block - Underhood
(3)Fuse Block - I/P
Figure 3:

Left Side of the I/P, Steering Column Connections


Object Number: 1381734  Size: LF
(1)Headlamp Switch
(2)Power Steering Control Module (PSCM) C2
(3)S200
(4)I/P Harness
(5)Ignition Switch
(6)Passlock Sensor
(7)Windshield Wiper/Washer Switch