GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 4WD 🢒 Body and Accessories 🢒 Cruise Control 🢒 Cruise Control Schematics
Figure 1:

Clutch Pedal Position Switch, Stoplamp Switch, PCM and Cruise Control Module
Object Number: 668801 Size: FS
Master Electrical Component List
Cruise Control Description and Operation
CRUISE Fuse, Multifunction Switch and Cruise Control Module
Power and Ground
Brake Switch Input
IAC, EVAP Valve Controls, and Stop Lamp Switch Input w/ A/T
IAC, EVAP Valve Controls, and Stop Lamp Switch Input w/ A/T
Brake Switch Input
Power and Ground
Vehicle Speed Sensor (VSS) Signal
Seat Belt Switch, Headlamp Ambient Light Sensor and PCM
Front Axle Indicator Switch and Powertrain Control Module (PCM)
Vehicle Speed Signal, Transfer Case Shift Control Module and 4WD IndicatOr Switch
Figure 2:

CRUISE Fuse, Multifunction Switch and Cruise Control Module
Object Number: 668804 Size: FS
Master Electrical Component List
Cruise Control Description and Operation
Clutch Pedal Position Switch, Stoplamp Switch, PCM and Cruise Control Module
Power and Ground
Power and Ground
Ign ACC, RUN and RAP Bus Bar
HVAC and CRUISE Fuses
Multifunction Switch (Turn Signal Switch) And Turn Signal/Hazard Flasher Module
G103 and G105 (2.2 L)
G103 and G105 (2.2 L)