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

Manual Transmission Electrical Components


Object Number: 1578589  Size: MF
(1)Vehicle Speed Sensor (VSS)
(2)Backup Lamp Switch
Figure 2:

Manual Transmission Components, Right Rear View


Object Number: 1578590  Size: LF
(1)Vehicle Speed Sensor (VSS)
(2)Backup Lamp Switch