Engine Controls Schematics. GMC Truck GMC K Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2000 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Controls - 7.4L 🢒 Engine Controls Schematics

Figure 1:	VCM and DLC Power and Grounding, MIL Circuit Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch IGN B Fuse and Ignition Switch IGN A Fuse and Ignition Switch LIGHTING and BATTERY Fuses ECM-B, HORN and A/C COMP Fuses ECM 1 Fuse (7.4L) BRAKE and HTR-A/C Fuses Indicator Lamps Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice G103 and G104 Cell 50 (2000 C/K) G103 and G104 Ignition System OBD II Symbol Description Notice Engine Controls Components Vehicle Control Module Description G200 (1 of 4) STOP/HAZ, RADIO BATT, and AUX PWR Fuses GAUGES Fuse
Figure 2:	Ignition System IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse ECM 1 Fuse (7.4L) G103 and G104 Handling ESD Sensitive Parts Notice Fuel Pump Control-Single Tank VCM and DLC Power and Grounding, MIL Circuit OBD II Symbol Description Notice Engine Controls Components Enhanced Ignition System Description
Figure 3:	Fuel Pump Control--Single Tank Battery, and Underhood Fuse Block ECM-B, HORN and A/C COMP Fuses G103 and G104 Engine Data Sensors A/T Controls-Internal Switches. TFT, PC Solenoid Valve, and TISS EVAP and EGR Controls, Fuel Tank Pressure Sensor Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice OBD II Symbol Description Notice Gauges Ignition System Fuel Pump Control - Dual Tanks Engine Controls Components Fuel Supply Component Description
Figure 4:	Fuel Pump Control -- Dual Tanks Engine Controls Components Fuel Supply Component Description EXPORT-Fuel Pump Control, Single Tank Fuel Pump Control-Single Tank OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice G103 and G104 Battery, and Underhood Fuse Block ECM-B, HORN and A/C COMP Fuses IGN A Fuse and Ignition Switch IGN E Fuse Engine Data Sensors EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor Gauges
Figure 5:	EXPORT--Fuel Pump Control, Single Tank Engine Controls Components Fuel Supply Component Description EXPORT-Fuel Pump Control, Dual Tanks Fuel Pump Control - Dual Tanks OBD II Symbol Description Notice G103 and G104 Handling ESD Sensitive Parts Notice Battery, and Underhood Fuse Block ECM-B, HORN and A/C COMP Fuses Handling ESD Sensitive Parts Notice
Figure 6:	EXPORT--Fuel Pump Control, Dual Tanks Engine Controls Components Fuel Supply Component Description Fuel Injector Controls EXPORT-Fuel Pump Control, Single Tank OBD II Symbol Description Notice G103 and G104 Handling ESD Sensitive Parts Notice Battery, and Underhood Fuse Block ECM-B, HORN and A/C COMP Fuses IGN A Fuse and Ignition Switch IGN E Fuse Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 7:	Fuel Injector Controls Engine Controls Components Fuel Supply Component Description Engine Data Sensors EXPORT-Fuel Pump Control, Dual Tanks OBD II Symbol Description Notice IGN A Fuse and Ignition Switch ECM 1 Fuse (7.4L) Handling ESD Sensitive Parts Notice
Figure 8:	Engine Data Sensors Engine Controls Components Information Sensors/Switches Description Heated Oxygen Sensors, Federal Emissions (NF2) Fuel Injector Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor EVAP and EGR Controls, Fuel Tank Pressure Sensor Fuel Pump Control-Single Tank A/T Controls-Internal Switches. TFT, PC Solenoid Valve, and TISS
Figure 9:	Heated Oxygen Sensors, Federal Emissions (NF2) Engine Controls Components Information Sensors/Switches Description Heated Oxygen Sensors, California Emissions (NB6) Engine Data Sensors OBD II Symbol Description Notice Cell 10: ENG-1 Fuse G105 (2 of 2) G105 (1 of 2)
Figure 10:	Heated Oxygen Sensors, California Emissions (NB6) Engine Controls Components Information Sensors/Switches Description A.I.R., IAC, and MAF Controls Heated Oxygen Sensors, Federal Emissions (NF2) OBD II Symbol Description Notice Cell 10: ENG-1 Fuse G105 (2 of 2) G105 (1 of 2)
Figure 11:	A.I.R., IAC, and MAF Controls Engine Controls Components Secondary Air Injection System Description VSS Circuit and Cruise Control Heated Oxygen Sensors, California Emissions (NB6) OBD II Symbol Description Notice G105 (1 of 2) IGN A Fuse and Ignition Switch G103 and G104 Handling ESD Sensitive Parts Notice IGN E Fuse Cell 10: ENG-1 Fuse
Figure 12:	VSS Circuit and Cruise Control Engine Controls Components Information Sensors/Switches Description EVAP and EGR Controls, Fuel Tank Pressure Sensor A.I.R., IAC, and MAF Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 13:	EVAP and EGR Controls, Fuel Tank Pressure Sensor Engine Controls Components Evaporative Emission Control System Operation Description Enhanced Transfer Case Circuits VSS Circuit and Cruise Control OBD II Symbol Description Notice Engine Data Sensors IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse Fuel Pump Control-Single Tank A/T Controls-Internal Switches. TFT, PC Solenoid Valve, and TISS Engine Data Sensors Engine Data Sensors Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 14:	Transfer Case Circuits Engine Controls Components A/T Controls-Shift Solenoids, TCC/Stoplamp Switch EVAP and EGR Controls, Fuel Tank Pressure Sensor OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Front Axle Actuator Circuits Indicator Control and Wheel Speed Sensors
Figure 15:	A/T Controls--Shift Solenoids, TCC/Stoplamp Switch Engine Controls Components Electronic Component Description A/T Controls-Internal Switches. TFT, PC Solenoid Valve, and TISS Transfer Case Circuits OBD II Symbol Description Notice IGN B Fuse and Ignition Switch BRAKE and HTR-A/C Fuses AIR BAG, TURN B/U, CRANK, and TRANS Fuses VCM and Clutch Pedal Position Switch (Gas Engine) VSS, TCC Signal and Brake Indicator (Gas) IGN A Fuse and Ignition Switch Handling ESD Sensitive Parts Notice
Figure 16:	A/T Controls--Internal Switches. TFT, PC Solenoid Valve, and TISS Engine Controls Components Electronic Component Description A/C Compressor Control A/T Controls-Shift Solenoids, TCC/Stoplamp Switch OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Engine Data Sensors Handling ESD Sensitive Parts Notice
Figure 17:	A/C Compressor Control Engine Controls Components HVAC Compressor Controls Circuit Description Auxiliary Engine Cooling Fan Control A/T Controls-Shift Solenoids, TCC/Stoplamp Switch OBD II Symbol Description Notice Battery, and Underhood Fuse Block IGN A Fuse and Ignition Switch IGN B Fuse and Ignition Switch BRAKE and HTR-A/C Fuses IGN E Fuse G105 (1 of 2) Cell 14: G200 (4 of 4) Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 14: G103 and G104
Figure 18:	Auxiliary Engine Cooling Fan Control Engine Controls Components Engine Cooling Fan Description - Electric A/C Compressor Control OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Battery, and Underhood Fuse Block Battery, and Underhood Fuse Block G112 G103 and G104