GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 Seville 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Cruise Control Schematics
Figure 1:

Cruise Control Module (CCM) Power and Ground
Object Number: 879912 Size: FS
Figure 2:

PCM Controls and Class 2
Object Number: 879913 Size: FS