GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 Yukon XL - 2WD 🢒 Accessories 🢒 Cruise Control 🢒 Cruise Control Schematics
Figure 1:

Power, Cruise Control Switch, and Stop Lamp Feed
Object Number: 1608875 Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Ground and Class 2 Serial Data
IGN 1 Relay Bus 1 of 2 ETC/ECM, PCM 1, and SBA Fuses; INJ 1 and INJ 2 Fuses - except L18
B+ Bus - 1 of 2
RR WPR, STOP LP, TREC, VEH CHMSL, VEH STOP, and 4WS Fuses
Ignition Switch - ACCY/RUN/START, RUN, and START Busses, IGN A and CRANK Fuses
BRAKE, CRUISE, IGN 2, HTR/AC, HVAC 1, and 4WD Fuses
RR WPR, STOP LP, TREC, VEH CHMSL, VEH STOP, and 4WS Fuses
Figure 2:

Ground and Class 2 Serial Data
Object Number: 1608876 Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Control Module References
Power, Cruise Control Switch, and Stop Lamp Feed
Shift Controls and Stop Lamp Switch
Shift Controls and Stop Lamp Switch
Power, Ground, DLC and Splice Pack SP205
G104 and G107
G104 and G107