GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power, Ground, Data Link, and Steering Wheel Controls Switches


Object Number: 1217793  Size: FS
Master Electrical Component List
Cruise Control Description and Operation 3.5L
Brake Pedal Position Sensor and Stop Lamp Switch Signal
Fuse Block - Underhood - IBCM R/C Fuse, BCM - AIRBAG (IGN), EPS, and RUN/CRANK Fuses
Fuse Block - Underhood - IBCM R/C Fuse, BCM - AIRBAG (IGN), EPS, and RUN/CRANK Fuses
Cruise Control Schematic Icons
Low Speed Serial Data
Steering Wheel and Doors
G201
Cruise Control Schematic Icons
G201
Figure 2:

Brake Pedal Position Sensor and Stop Lamp Switch Signal


Object Number: 1429149  Size: FS
Master Electrical Component List
Cruise Control Description and Operation 2.2L
Power, Ground, Data Link, and Steering Wheel Controls Switches
Brake Lamp Diagnostic Resistor, CHMSL, Grounds and Park/Turn Signal Lamps
Brake Lamp Diagnostic Resistor, CHMSL, Grounds and Park/Turn Signal Lamps