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

Power, Ground, TAC Module, APP Sensor and Throttle Body


Object Number: 1458695  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Stop Lamp Switch, EBCM and PCM
Ignition Switch - ACCY/RUN and RUN/START Bus Bar and IGN B Fuse
BCK/UP REV LK OUT, BTSI, and IGN E Fuses
B+ Bus Underhood Fuse Block
B+ Bus Underhood Fuse Block
Stop Lamp Switch, EBCM and PCM
Stop Lamps
ABS, AUX PWR 2, ENG COOL FAN, HVAC BLWR, LTR, STOP, STOP/LP, and VEH CHMSL Fuses
BRK and HVAC I Fuses
ABS, AUX PWR 2, ENG COOL FAN, HVAC BLWR, LTR, STOP, STOP/LP, and VEH CHMSL Fuses
Ignition Switch - ACCY/RUN/START,RUN and START Bus Bars, CRNK and IGN A Fuses
BRK and HVAC I Fuses
G101
Figure 2:

Stop Lamp Switch, EBCM and PCM


Object Number: 1458697  Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Power, Ground, TAC Module, APP Sensor and Throttle Body
BCK/UP REV LK OUT, BTSI, and IGN E Fuses
Power, Ground, TAC Module, APP Sensor and Throttle Body