GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Engine Electrical Component Views
Figure 1:

Lower RF of the Engine Components (4.3L)
Object Number: 403977 Size: MF
(1)Ground 105 (G105)
(2)Crankshaft Position (CKP) Sensor
(3)Negative Battery Cable
(4)Engine Oil Level Switch
(5)Engine Harness
(6)Positive Battery Cable
Figure 2:

Top of the Engine Components (4.3L)
Object Number: 212698 Size: MF
(1)Throttle Position (TP) Sensor
(2)Idle Air Control (IAC) Valve
(3)Ignition Coil
(4)Evaporative (EVAP) Canister Purge Solenoid
(5)Oil Pressure Switch
(6)Knock Sensor (KS)
(7)Fuel Pressure Connection Valve
(8)Positive Crankcase Ventilation Valve (PCV)
Figure 3:

Lower Left Side of the Engine Components (4.8L/5.3L/6.0L)
Object Number: 403980 Size: MF
(1)Engine Harness
(2)Battery Cable Junction Block Bracket
(3)LH Rocker Cover
(4)Ground 105 (G105)
(5)Negative Battery Cable
(6)Engine Coolant Temperature (ECT) Sensor Connector
Figure 4:

A/C Compressor (4.3L)
Object Number: 310511 Size: MF
(1)A/C Compressor Electrical Connector
(2)A/C Compressor
(3)EGR Electrical Connector
(4)A/C Compressor High Pressure Cutout Switch
Figure 5:

A/C Compressor (4.8L, 5.3L, 6.0L)
Object Number: 310258 Size: LF
(1)A/C Compressor
(1)A/C Compressor
(2)A/C Compressor Electrical Connector
(3)A/C Compressor High Pressure Cutout Switch Connector
(3)A/C Compressor High Pressure Cutout Switch Connector
(4)A/C Compressor High Pressure Cutout Switch
(5)Engine Oil Level Switch
(6)Starter
(7)Crankshaft Position (CKP) Sensor
(8)Starter Solenoid Electrical Connector
Figure 6:

Clutch Pedal Assembly
Object Number: 349750 Size: MF
(1)Clutch Pedal
(2)Dash Panel
(2)Dash Panel
(3)Clutch Switch Connector
(4)Clutch Master Cylinder
(4)Clutch Master Cylinder
(5)Clutch Pedal Position Switch
Figure 7:

LH Front of Engine Compartment
Object Number: 310775 Size: MF
(1)VCM / PCM
(2)VCM / PCM Connectors
(3)Inline Chassis Harness Connector
(4)Underhood Bussed Electrical Center (UBEC) Bracket
(5)Inline Connectors
(6)UBEC Connector
(7)LH Battery
Figure 8:

Auxiliary Battery Relay
Object Number: 349894 Size: MF
(1)Auxiliary Battery Relay
(2)A/C Accumulator
(3)A/C Compressor Low Pressure Cycling Switch
(4)Inner Wheel Well
(5)Engine Coolant Level Switch Electrical Connector
(6)Mass Air Flow (MAF) Sensor
(7)Air Cleaner Assembly
(8)Engine Coolant Recovery Reservoir
(9)Auxiliary Battery Relay Electrical Connector
Figure 9:

Generator
Object Number: 349757 Size: MF
(1)Generator
(2)Battery
(3)Battery Cable Bracket
Figure 10:

RR of the Engine Compartment Components w/Auxiliary Battery
Object Number: 349908 Size: MF
(1) Battery - Right Positive Cable Fuse Housing
(2)Dash Panel
(3) Battery - Right Relay (TP2)
(4) Battery - Right Positive Cable Connection Shield
(5) Battery - Right Positive Cable
(6)Battery Tray
(7)Battery