GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Blazer - 4WD 🢒 Body 🢒 Instrument Panel, Gages, and Console 🢒 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 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