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

Rear View (4.3L)


Object Number: 78398  Size: SH
Figure 2:

Rear View (5.0L, 5.7L)


Object Number: 78404  Size: SH
Figure 3:

Rear View (7.4L)


Object Number: 78408  Size: SH
Figure 4:

Rear View (6.5L)


Object Number: 78418  Size: SH