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

Splice Pack - SP205


Object Number: 901872  Size: MF
(1)I/P Harness Connector
(2)I/P Harness
(3)Splice Pack - SP205
(4)I/P Courtesy Lamp - Left
(5)Fuse Block - Left I/P
Figure 2:

Splice Pack - SP206


Object Number: 901886  Size: MF
(1)G305
(2)Body Harness
(3)Splice Pack SP206
Figure 3:

Splice Pack - SP207


Object Number: 901879  Size: MF
(1)Splice Pack SP207
(2)Relay Block - I/P
(3)I/P Extension Harness