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

Front Door


Object Number: 324873  Size: LF
(1)RH Front Door Module (RFDM) (LFDM Similar)
Figure 2:

Rear Door


Object Number: 324875  Size: LF
(1)RH Rear Door Module (RRDM) (LRDM Similar)