GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 Instrument Panel, Gages, and Console Component Views
Figure 1:

IP Wiring Harness Composite View
Object Number: 396431 Size: MF
(1)Instrument Panel Cluster (IPC) Connector
(2)Instrument Panel Cluster (IPC)
(3)S240
(4)S205
(5)Splice Pack SP203
(6)C203
Figure 2:

Engine, LR (2.2L)
Object Number: 357112 Size: LF
(1)Generator
(2)G102 and G103
(3)Engine Oil Pressure (EOP) Sensor
(4)Evaporative Emission (EVAP) Canister Purge Solenoid
(5)Ignition Control Module (ICM) Connector C1 - w/o Coil
(6)Ignition Control Module (ICM) Connector C2 - w/o Coil
(7)G105
(8)S152
(9)C111
(10)S106
(11)S129
Figure 3:

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