GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 DeVille 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Audible Warnings Schematics
Figure 1:

Radio output, Left Front Door Open Signal and Key-In-Ignition Signal
Object Number: 669442 Size: FS
Master Electrical Component List
Audible Warnings Description and Operation
Seat Belt Switch Signal and Park Lamp Signal
G201
G201
Driver Door Module (DDM) Power, Ground Inputs and Outputs 2 of 2
Class 2 Serial Data (1 of 3)
Figure 2:

Seat Belt Switch Signal and Park Lamp Signal
Object Number: 669443 Size: FS
Master Electrical Component List
Audible Warnings Description and Operation
Radio output, Left Front Door Open Signal and Key-In-Ignition Signal
SIR Caution
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Side Marker Lamps
Front Park/Turn and Repeater Lamps
Fasten Seat Belt Switch and Indicator
Class 2 Serial Data (1 of 3)