GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 Seville 🢒 Body and Accessories 🢒 Data Link Communications 🢒 Data Link Connector Schematics
Figure 1:

Data Link Connector Power and Ground (LH Drive)
Object Number: 879768 Size: FS
Figure 2:

Serial Data Line (LH Drive) (1 of 2)
Object Number: 783607 Size: FS
Figure 3:

Serial Data Line (LH Drive) (2 of 2) (Early Production)
Object Number: 886615 Size: FS
Figure 4:

Serial Data Line (LH Drive) (2 of 2) (Late Production)
Object Number: 1202062 Size: FS
Figure 5:

Data Link Connector Power and Ground (RH Drive)
Object Number: 879773 Size: FS
Figure 6:

Serial Data Line (RH Drive) (1 of 2)
Object Number: 886618 Size: FS
Figure 7:

Serial Data Line (RH Drive) (2 of 2)
Object Number: 788135 Size: FS