GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 7.2L (Caterpillar) 🢒 Engine Controls Schematics
Figure 1:

Module Power, Ground, Serial Data, and MIL
Object Number: 2076227 Size: FS
Figure 2:

Engine Data Sensors - 5-Volt and Low Reference 1 of 2
Object Number: 2076229 Size: FS
Figure 3:

Engine Data Sensors - Low Reference 2 of 2
Object Number: 2076231 Size: FS
Figure 4:

Engine Data Sensors - Pressure and Temperature 1 of 3
Object Number: 2076232 Size: FS
Figure 5:

Engine Data Sensors - Pressure and Temperature 2 of 3
Object Number: 2076234 Size: FS
Figure 6:

Engine Data Sensors - Pressure and Temperature 3 of 3
Object Number: 2076235 Size: FS
Figure 7:

Engine Data Sensors - ARD Ignition Coil, and ARD Control Sensors 1 of 2
Object Number: 2076237 Size: FS
Figure 8:

Engine Data Sensors - ARD Control Sensors 2 of 2
Object Number: 2076239 Size: FS
Figure 9:

Engine Data Sensors - Injection Timing Controls
Object Number: 2076240 Size: FS
Figure 10:

Device Controls - Intake Air (IA) Heater, Turbo Control Sensors
Object Number: 2076241 Size: FS
Figure 11:

Fuel Controls - Fuel Injectors
Object Number: 2076242 Size: FS
Figure 12:

Controlled/Monitored Subsystem References
Object Number: 2076244 Size: FS