GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 CTS 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Remote Function Schematics
Figure 1:

Power, Grounds, Antennas, Indicator and Release Switch
Object Number: 1923735 Size: FS
Master Electrical Component List
Keyless Entry System Description and Operation with RPO Y41
Control Module References
Hood Ajar Switch
Figure 2:

Garage Door Opener - UG1
Object Number: 1923734 Size: FS
Master Electrical Component List
Garage Door Opener Description and Operation
Control Module References
Hood Ajar Switch