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

4.2L


Object Number: 1594094  Size: FS
Master Electrical Component List
Cruise Control Description and Operation (4.2L)
Control Module References
5.3L/6.0L
Ignition Switch - ACCY/RUN/START, RUN, and START Bus Bars, IGN A and CRNK Fuses
AMP, DDM, PDM Fuses, LT DOORS, RT DOORS, and SEATS Circuit Breakers
BRAKE, HVAC I, and TBC RUN Fuses
ABS, ATC, BLWR, ECAS, ELEC BRK, HAZRD, IPC/DIC, LTR, STOP LAMP, TRLR, VEH CHMSL, VEH STOP, and VSES Fuses
Underhood Fuse Block
ABS, ATC, BLWR, ECAS, ELEC BRK, HAZRD, IPC/DIC, LTR, STOP LAMP, TRLR, VEH CHMSL, VEH STOP, and VSES Fuses
ABS, ATC, BLWR, ECAS, ELEC BRK, HAZRD, IPC/DIC, LTR, STOP LAMP, TRLR, VEH CHMSL, VEH STOP, and VSES Fuses
ABS, ATC, BLWR, ECAS, ELEC BRK, HAZRD, IPC/DIC, LTR, STOP LAMP, TRLR, VEH CHMSL, VEH STOP, and VSES Fuses
SP205
Figure 2:

5.3L/6.0L


Object Number: 1594095  Size: FS
Master Electrical Component List
Cruise Control Description and Operation (5.3L, 6.0L)
Control Module References
4.2L
BRAKE, HVAC I, and TBC RUN Fuses
Ignition Switch - ACCY/RUN/START, RUN, and START Bus Bars, IGN A and CRNK Fuses
BRAKE, HVAC I, and TBC RUN Fuses
ABS, ATC, BLWR, ECAS, ELEC BRK, HAZRD, IPC/DIC, LTR, STOP LAMP, TRLR, VEH CHMSL, VEH STOP, and VSES Fuses
Underhood Fuse Block
SP205
ABS, ATC, BLWR, ECAS, ELEC BRK, HAZRD, IPC/DIC, LTR, STOP LAMP, TRLR, VEH CHMSL, VEH STOP, and VSES Fuses
G108