Engine Controls Schematics. GMC Truck GMC K Pickup - 4WD 1999

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Controls - 5.0L and 5.7L 🢒 Engine Controls Schematics

Engine Controls Schematics Base and Luxury

Figure 1:	Power, Ground, and DLC Cell 10: LIGHTING and BATTERY Fuses Cell 10: GAUGES Fuse OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: STOP/HAZ, RADIO BATT, and AUX PWR Fuses VCM Connector End Views Cell 50 Handling ESD Sensitive Parts Notice Cell 10: IGN B Fuse and Ignition Switch Cell 10: BRAKE and HTR-A/C Fuses Cell 10: ECM 1 Fuse (5.0L/5.7L) Cell 10: ECM-B, HORN and A/C COMP Fuses Cell 14: G103 and G104 Cell 14: G103 and G104 Cell 10: Battery, and Underhood Fuse Block Cell 10: IGN A Fuse and Ignition Switch Ignition Controls
Figure 2:	Ignition Controls Cell 10: Battery, and Underhood Fuse Block Cell 10: ENG-1 Fuse Cell 10: ENG 1 and ECM 1 Fuses (Diesel) VCM Connector End Views Handling ESD Sensitive Parts Notice OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 14: G103 and G104 Handling ESD Sensitive Parts Notice Fuel Controls Power, Ground, and DLC
Figure 3:	Fuel Controls Cell 10: ECM-B, HORN and A/C COMP Fuses Cell 10: Battery, and Underhood Fuse Block Fuel Gauge Sender (Dual Tank, Gas) Cell 14: G103 and G104 Cell 14: G201, G300, G404 OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice VCM Connector End Views Fuel Injector Controls Ignition Controls
Figure 4:	Fuel Injector Controls Cell 10: IGN A Fuse and Ignition Switch Cell 10: ECM 1 Fuse (5.0L/5.7L) Cell 10: ECM 1 Fuse (5.0L/5.7L) Handling ESD Sensitive Parts Notice OBD II Symbol Description Notice Engine Sensors Fuel Controls
Figure 5:	Engine Sensors OBD II Symbol Description Notice VCM Connector End Views Handling ESD Sensitive Parts Notice Shift Solenoids (4l 60E) Evaporative and EGR Controls Evaporative and EGR Controls Handling ESD Sensitive Parts Notice Heated Oxygen Sensors Fuel Injector Controls
Figure 6:	Heated Oxygen Sensors OBD II Symbol Description Notice VCM Connector End Views Cell 10: IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse Cell 14: G105 (2 of 2) Cell 14: G105 (1 of 2) HO2S Sensors 5.7L Engine Sensors
Figure 7:	HO2S Sensors 5.7L 4WD, IAC, and Upshift Controls Heated Oxygen Sensors OBD II Symbol Description Notice Cell 10: IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse VCM Connector End Views Cell 14: G105 (2 of 2) Cell 14: G105 (1 of 2) Handling ESD Sensitive Parts Notice
Figure 8:	4WD, IAC, and Upshift Controls Cell 10: IGN A Fuse and Ignition Switch Cell 10: GAUGES Fuse Handling ESD Sensitive Parts Notice Front Axle Actuator VCM Connector End Views Handling ESD Sensitive Parts Notice OBD II Symbol Description Notice Air Pump Controls HO2S Sensors 5.7L
Figure 9:	Air Pump Controls Cell 10: IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse Handling ESD Sensitive Parts Notice VCM Connector End Views Cell 14: G101, G102, G108, G110, G111 and G115 OBD II Symbol Description Notice VSS and Cruise Controls 4WD, IAC, and Upshift Controls
Figure 10:	VSS and Cruise Controls 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 Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice VCM Connector End Views OBD II Symbol Description Notice Evaporative and EGR Controls Air Pump Controls
Figure 11:	Evaporative and EGR Controls Cell 10: IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse OBD II Symbol Description Notice Engine Sensors Engine Sensors VCM Connector End Views Cell 14: G103 and G104 Handling ESD Sensitive Parts Notice Shift Solenoids (4l 60E) VSS and Cruise Controls
Figure 12:	Shift Solenoids (4l 60E) VCM Connector End Views Handling ESD Sensitive Parts Notice OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Engine Sensors Shift Solenoids Evaporative and EGR Controls
Figure 13:	Shift Solenoids OBD II Symbol Description Notice VCM Connector End Views Cell 34: Cruise Control Module, VCM (Gas) (2 of 2) ABS Schematics Handling ESD Sensitive Parts Notice Cell 10: IGN B Fuse and Ignition Switch Cell 10: BRAKE and HTR-A/C Fuses Cell 10: AIR BAG, TURN B/U, CRANK, and TRANS Fuses Automatic Transmission, VCM Transmission Controls (4L 60E) Shift Solenoids (4l 60E)
Figure 14:	Transmission Controls (4L 60E) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice VCM Connector End Views Cell 34: Cruise Control Module, VCM (Gas) (2 of 2) ABS Schematics Cell 10: IGN B Fuse and Ignition Switch Cell 10: BRAKE and HTR-A/C Fuses Cell 10: AIR BAG, TURN B/U, CRANK, and TRANS Fuses Transmission Controls (4L 80E) Shift Solenoids
Figure 15:	Transmission Controls (4L 80E) Handling ESD Sensitive Parts Notice VCM Connector End Views Engine Sensors Handling ESD Sensitive Parts Notice OBD II Symbol Description Notice A/C Controls Transmission Controls (4L 60E)
Figure 16:	A/C Controls OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 14: G200 (4 of 4) Handling ESD Sensitive Parts Notice VCM Connector End Views Cell 14: G105 (1 of 2) Cell 14: G105 (1 of 2) Cell 10: ECM-B, HORN and A/C COMP Fuses Cell 10: IGN A Fuse and Ignition Switch Cell 14: G103 and G104 Cell 10: IGN E Fuse Cell 10: BRAKE and HTR-A/C Fuses Cell 10: IGN B Fuse and Ignition Switch Transmission Controls (4L 80E)

Engine Controls Schematics Alternative Fuel

Figure 1:	Power, Ground and DLC OBD II Symbol Description Notice Alternative Fuel Connector (2 of 2) Cell 50 Cell 14: G103 and G104 Cell 10: ECM-B, HORN and A/C COMP Fuses Cell 10: Battery, and Underhood Fuse Block Cell 10: IGN A Fuse and Ignition Switch Cell 10: BRAKE and HTR-A/C Fuses Cell 10: IGN B Fuse and Ignition Switch Cell 10: IGN A Fuse and Ignition Switch VCM Connector End Views Cell 14: G103 and G104 Cell 10: STOP/HAZ, RADIO BATT, and AUX PWR Fuses Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 10: GAUGES Fuse Cell 10: LIGHTING and BATTERY Fuses Ignition Controls
Figure 2:	Ignition Controls Fuel Controls Power, Ground and DLC OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 14: G103 and G104 VCM Connector End Views Alternative Fuel Connector (2 of 2) Cell 10: ENG-1 Fuse Cell 10: Battery, and Underhood Fuse Block
Figure 3:	Fuel Controls OBD II Symbol Description Notice Cell 10: ECM-B, HORN and A/C COMP Fuses Cell 10: Battery, and Underhood Fuse Block Alternative Fuel Connector (1 of 2) Cell 14: G201, G300, G404 Fuel Gauge Sender (Dual Tank, Gas) Cell 14: G103 and G104 VCM Connector End Views Ignition Controls VCM and Engine Sensors
Figure 4:	VCM and Engine Sensors OBD II Symbol Description Notice Alternative Fuel Connector (1 of 2) VCM Connector End Views Handling ESD Sensitive Parts Notice Evap and EGR Controls Alternative Fuel Connector (1 of 2) Alternative Fuel Connector (1 of 2) Transmission Controls Evap and EGR Controls Handling ESD Sensitive Parts Notice H02S Sensors Fuel Controls
Figure 5:	H02S Sensors OBD II Symbol Description Notice Alternative Fuel Connector (2 of 2) Cell 14: G105 (1 of 2) Cell 14: G105 (2 of 2) Alternative Fuel Connector (2 of 2) Cell 10: ENG-1 Fuse Cell 10: IGN A Fuse and Ignition Switch 4WD, IAC and Upshift Controls VCM and Engine Sensors
Figure 6:	4WD, IAC and Upshift Controls OBD II Symbol Description Notice Front Axle Actuator VCM Connector End Views Handling ESD Sensitive Parts Notice Cell 10: IGN A Fuse and Ignition Switch Alternative Fuel Connector (1 of 2) Handling ESD Sensitive Parts Notice VSS and Cruise Control H02S Sensors
Figure 7:	VSS and Cruise Control 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 Handling ESD Sensitive Parts Notice VCM Connector End Views Alternative Fuel Connector (2 of 2) Handling ESD Sensitive Parts Notice OBD II Symbol Description Notice Evap and EGR Controls 4WD, IAC and Upshift Controls
Figure 8:	Evap and EGR Controls OBD II Symbol Description Notice Alternative Fuel Connector (1 of 2) VCM and Engine Sensors VCM and Engine Sensors VCM Connector End Views Handling ESD Sensitive Parts Notice Cell 10: IGN A Fuse and Ignition Switch Cell 10: ENG-1 Fuse Cell 14: G103 and G104 Transmission Controls VSS and Cruise Control
Figure 9:	Transmission Controls OBD II Symbol Description Notice VCM Connector End Views Handling ESD Sensitive Parts Notice VCM and Engine Sensors Handling ESD Sensitive Parts Notice AC Controls Evap and EGR Controls
Figure 10:	AC Controls Alternative Fuel Connector (1 of 2) Transmission Controls Cell 10: ECM-B, HORN and A/C COMP Fuses Cell 10: IGN B Fuse and Ignition Switch Cell 10: BRAKE and HTR-A/C Fuses Cell 10: IGN E Fuse Cell 14: G103 and G104 Cell 14: G105 (1 of 2) VCM Connector End Views Handling ESD Sensitive Parts Notice Cell 14: G200 (4 of 4) OBD II Symbol Description Notice
Figure 11:	Alternative Fuel Connector (1 of 2) Alternative Fuel Connector (2 of 2) AC Controls OBD II Symbol Description Notice VCM and Engine Sensors Evap and EGR Controls Fuel Controls Fuel Controls OBD II Symbol Description Notice
Figure 12:	Alternative Fuel Connector (2 of 2) Alternative Fuel Connector (1 of 2) OBD II Symbol Description Notice Evap and EGR Controls VSS and Cruise Control AC Controls Ignition Controls H02S Sensors Power, Ground and DLC