GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Catera 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Theft Deterrent System Schematics
Figure 1:

Power, Ground, DLC, and VSS
Object Number: 788042 Size: FS
Master Electrical Component List
Theft Systems Description and Operation
Security Indicator, Door Signals, Lighting and Horn Controls
Battery Cable Bus
Underhood Fuse Block Fuse V6 and Fuse Block Fuses 17, 28, 29, 33, and34
Underhood Fuse Block Fuses V1 and V4, and Ignition Switch
Tachometer, Speedometer and Overspeed Indicator
Power, Ground, Serial Data, and MIL
G103 (6 of 8)
DLC Pins 3 and 7
G103 (1 of 8)
Figure 2:

Security Indicator, Door Signals, and Lighting
Object Number: 788045 Size: FS
Master Electrical Component List
Theft Systems Description and Operation
Power, Ground, DLC and Vehicle Speed Signal
Power, Ground, DLC, Turn Signal, Fog Lamp, Security, Rear Compartment Lid Release Open, High Beam Indicators and Back Lighting Lamps
Horns
Switches
Interior Lamps Relay and Door Jamb Switches
Park Lamp Relay and Headlamp Switch
Low Beam Relay K131 and Turn Signal Switch
G200 (2 of 2)
G200 (1 of 2) and G203