GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Sierra - 2WD 🢒 Body and Accessories 🢒 Cruise Control 🢒 Cruise Control Schematics
Figure 1:

Cell 34: Left Bussed Electrical Center, Powertrain Control Module
Object Number: 294133 Size: FS
Transmission Component Location
Cruise Control System Circuit Description
Cell 34: Underhood Bussed Electrical Center, Powertrain Control Module
Handling ESD Sensitive Parts Notice
Cell 10: Underhood Bussed Electrical Center, HVAC Blower Switch
Cell 10: Underhood Bussed Electrical Center, Electronic Brake Control ModuLe
Cell 10: A/C Compressor Relay, Auxiliary Power Outlet
Cell 81: Left Bussed Electrical Center, Splice Pack SP205, Splice PackSP203
Cell 50
Cell 14: Vehicle Control Module, S103, G102
Cell 14: Vehicle Control Module, S103, G102
Cell 14: Vehicle Control Module, S103, G102
Figure 2:

Cell 34: Underhood Bussed Electrical Center, Powertrain Control Module
Object Number: 294134 Size: FS
Transmission Component Location
Cruise Control System Circuit Description
Cell 34: Left Bussed Electrical Center, Powertrain Control Module
Handling ESD Sensitive Parts Notice
Cell 10: Left Bussed Electrical Center, Electronic Brake Control Module
Cell 110: Stop Lamp Switch and Turn/Hazard Switch/Flasher
Cell 10: Underhood Bussed Electrical Center, Automatic Transfer Case
Cell 110: Stop Lamp Switch and Turn/Hazard Switch/Flasher
Cell 10: Left Bussed Electrical Center, Electronic Brake Control Module
Cell 44: Left Bussed Electrical Center, Splice Pack SP205
Cell 20: G103, Body Control Module, Electronic Brake Control Module
Cell 21: Body Control Module, Vehicle Speed Sensor