GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Chevy K Silverado - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Cruise Control Schematics
Figure 1:

4.3L Cruise Control Schematics - 1 of 2
Object Number: 884553 Size: FS
Master Electrical Component List
Cruise Control Description and Operation 4.3L
4.3L Cruise Control Schematics - 2 of 2
IGN 3, CRUISE, 4WD
IGN 3, CRUISE, 4WD
SP205 - 1 of 2
G203-1 of 3
G203-1 of 3
G203-1 of 3
Figure 2:

4.3L Cruise Control Schematics - 2 of 2
Object Number: 884555 Size: FS
Master Electrical Component List
Cruise Control Description and Operation 4.3L
4.8, 5.3, 6.0, and 8.1L Cruise Control Schematics - 1 of 2
4.3L Cruise Control Schematics - 1 of 2
BRAKE, HTR A/C, HVAC I
Stop Lamps - GMC
BRAKE, HTR A/C, HVAC I
Stop Lamps - GMC
8600 GVW or Less - 2 of 2
Vehicle Speed Signal
Figure 3:

4.8, 5.3, 6.0, and 8.1L Cruise Control Schematics - 1 of 2
Object Number: 884556 Size: FS
Master Electrical Component List
Cruise Control Description and Operation 4.8L, 5.3L, 6.0L, and 8.1L
4.8, 5.3, 6.0, and 8.1L Cruise Control Schematics - 2 of 2
4.3L Cruise Control Schematics - 2 of 2
IGN 3, CRUISE, 4WD
Stop Lamps - GMC
IGN 3, CRUISE, 4WD
Stop Lamps - GMC
Power Take Off (PTO)
Figure 4:

4.8, 5.3, 6.0, and 8.1L Cruise Control Schematics - 2 of 2
Object Number: 884565 Size: FS
Master Electrical Component List
Cruise Control Description and Operation 4.8L, 5.3L, 6.0L, and 8.1L
Diesel Cruise Control Schematics
4.8, 5.3, 6.0, and 8.1L Cruise Control Schematics - 1 of 2
BRAKE, HTR A/C, HVAC I
8600 GVW or Less - 2 of 2
Vehicle Speed Signal
SP205 - 1 of 2
Figure 5:

Diesel Cruise Control Schematics
Object Number: 884572 Size: FS
Master Electrical Component List
Cruise Control Description and Operation 6.6L
4.8, 5.3, 6.0, and 8.1L Cruise Control Schematics - 2 of 2
BRAKE, HTR A/C, HVAC I
IGN 3, CRUISE, 4WD
IGN 3, CRUISE, 4WD
BRAKE, HTR A/C, HVAC I
Over 8600 GVW - 2 of 2
Power Take Off (PTO)
SP205 - 1 of 2
Vehicle Speed Signal
Over 8600 GVW - 2 of 2