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

Except Crew Cab


Object Number: 2082950  Size: FS
Figure 2:

Crew Cab - 1 of 2


Object Number: 2082953  Size: FS
Figure 3:

Crew Cab - 2 of 2


Object Number: 2082956  Size: FS
Figure 4:

Door Ajar Switches


Object Number: 2082960  Size: FS