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

4.3L


Object Number: 1753666  Size: FS
Master Electrical Component List
Cruise Control Description and Operation (Without Throttle Actuator Control)
Control Module References
4.8L, 5.3L and 6.0L
B+ Bus - Underhood Fuse Block - Gas
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
AIRBAG, FAN CLTCH, IGN E, ISRVM, SPARE and TBC IGN 1 Fuses
BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses
AIRBAG, FAN CLTCH, IGN E, ISRVM, SPARE and TBC IGN 1 Fuses
Power, Ground, DLC and Splice Pack SP200
G302
Power, Ground, Serial Data, Indicator and Stop Lamp Switch - w/o JL4
Stop Lamp Switch
DRV PWR TRN MIR, PASS TRN MIR and STOP/CHMSL Fuses
Stop Lamp Switch
Controlled/Monitored Subsystem and Transmission References
Figure 2:

4.8L, 5.3L and 6.0L


Object Number: 1753670  Size: FS
Master Electrical Component List
Cruise Control Description and Operation (With Throttle Actuator Control)
Control Module References
6.6L
4.3L
Power, Ground, DLC and Splice Pack SP200
G102
B+ Bus - Underhood Fuse Block - Gas
BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses
BTSI, BTSI BCK/UP, ECM/TCM/GLOW PLUG CNTRL MDL IGN 1, FUEL HTR, O2 SNSR A, O2 SNSR B, PCM IGN 1, SPARE and TRLR BCK/UP Fuses
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
AIRBAG, FAN CLTCH, IGN E, ISRVM, SPARE and TBC IGN 1 Fuses
AIRBAG, FAN CLTCH, IGN E, ISRVM, SPARE and TBC IGN 1 Fuses
Stop Lamp Switch
DRV PWR TRN MIR, PASS TRN MIR and STOP/CHMSL Fuses
Stop Lamp Switch
Figure 3:

6.6L


Object Number: 1753671  Size: FS
Master Electrical Component List
Cruise Control Description and Operation (6.6L)
Control Module References
4.8L, 5.3L and 6.0L
B+ Bus - Underhood Fuse Block - Diesel
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
AIRBAG, FAN CLTCH, IGN E, ISRVM, SPARE and TBC IGN 1 Fuses
AIRBAG, FAN CLTCH, IGN E, ISRVM, SPARE and TBC IGN 1 Fuses
Stop Lamp Switch
DRV PWR TRN MIR, PASS TRN MIR and STOP/CHMSL Fuses
Stop Lamp Switch
Module Power, Ground, Serial Data and Stop Lamp Switch
Wheel Speed Sensors and VSS - w/o JL4
Power, Ground, Serial Data, Indicator and Stop Lamp Switch - w/o JL4
Power, Ground, DLC and Splice Pack SP200