Harness Routing Views. Chevrolet Blazer - 4WD

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Harness Routing Views

Figure 1:

A/C Accumulator


(1)	A/C Compressor Cycling Switch
(2)	A/C Accumulator
(3)	C100

Figure 2:

Park/Neutral Position Switch (w/ A/T)


(1)	C104
(2)	Park/Neutral Position Switch Connector C2
(3)	Park/Neutral Position Switch Connector C1
(4)	C105
(5)	Heated Oxygen Sensor, LF (HO2S, Bank 1, Sensor 1)

Figure 3:

Automatic Transmission C175


(1)	Automatic Transmission
(2)	C175
(3)	Engine Harness
(4)	Engine Harness

Figure 4:

Manual Transmission Harness View


(1)	Manual Transmission
(2)	Heated Oxygen Sensor- LF, H02S, Bank 1, Sensor 1
(3)	Backup Lamp Switch Connector
(4)	C104, Chassis Harness
(5)	C104, Engine Harness
(6)	C105
(7)	Engine Harness

Figure 5:

Forward Lamps Harness - LH


(1)	C132
(2)	Auxiliary Side Front Turn Signal Lamp - LH
(3)	Horn
(4)	Horn Connector
(5)	Auxiliary Side Front Turn Signal Lamp - LH
(6)	Forward Lamps Harness
(7)	C130
(8)	Fender - LH

Figure 6:

Transfer Case


(1)	Transfer Case Encoder Motor Connector
(2)	Transfer Case Speed Sensor, Rear
(3)	Vehicle Speed Sensor
(4)	Transfer Case Speed Sensor, Front

Figure 7:

Heated Oxygen Sensor (HO2S) Extension Harness


(1)	C100
(2)	C126
(3)	C125

Figure 8:

IP Wiring Harness


(1)	Passenger Inflatable Restraint Module
(2)	Inflatable Restraint IP Module Connector
(3)	IP Compartment Lamp

Figure 9:

Instrument Panel, RH


(1)	Body Relay Block
(2)	Clutch Pedal Position Switch Connector
(3)	TCC/Stop Lamp Switch Connector
(4)	C211
(5)	C201
(6)	Data Link Connector (DLC)
(7)	RH Kick Panel

Figure 10:

Instrument Panel, RH


(1)	IP Dimmer Switch
(2)	Instrument Panel
(3)	Door Jamb Switch
(4)	Door Jamb Switch Connector
(5)	S230
(6)	IP Fuse Block
(7)	IP Dimmer Switch Connector
(8)	IP Fuse Block Access Panel
(9)	C217

Figure 11:

Accessories Power Receptacle Tray


(1)	Accessories Power Receptacle Harness
(2)	C223
(3)	IP Insulator
(4)	Accessories Power Receptacle Tray
(5)	Accessories Power Receptacle, RH
(6)	Accessories Power Receptacle, LH

Figure 12:

IP Wiring Harness Composite View


(1)	Remote Control Door Lock Receiver
(2)	Instrument Cluster Connector
(3)	IP Dimmer Switch Connector
(4)	IP Speaker Connector, RH
(5)	IP Fuse Block
(6)	Door Jamb Switch, RH
(7)	C217
(8)	Courtesy Lamp, RH Console
(9)	Sun Load Temperature Sensor
(10)	Body Control Module Connector C3
(11)	C224
(12)	C223
(13)	Courtesy Lamp, LH Console
(14)	C200
(15)	C203
(16)	Instrument Panel (IP)
(17)	IP Compartment Lamp
(18)	C201
(19)	Ambient Light Sensor Connector
(20)	IP Speaker Connector, LH
(21)	Electronic Climate Control (ECC) Module Connector
(22)	Radio Connector
(23)	Duct Air Temperature Sensor
(24)	Trasnfer Case Select Switch Connectors C2 and C1
(25)	Hazard Switch Connector

Figure 13:

Sunroof


(1)	Driver Information Display Module, Connector C2
(2)	Sunroof Motor and Drive
(3)	Sunroof Module, Connector C2
(4)	Sunroof Module, Connector C1
(5)	C300
(6)	Sunroof Module
(7)	Driver Information Display Module, Connector C1
(8)	Driver Information Display Center

Figure 14:

Floor Panel


(1)	C317
(2)	Seat Belt Switch
(3)	Inflatable Restraint Sensing and Diagnostic Module
(4)	C315

Figure 15:

Body Wiring to Left Front Seat


(1)	C317
(2)	Seat

Figure 16:

Rear Door Wiring Harness (RH Shown, LH Opposite)


(1)	Door
(2)	Side Door Lock Actuator, RR
(3)	Side Window Switch, RR
(4)	Radio Speaker, RR (LR Similar)
(5)	Side Window Regulator Motor, RR (LR Similar)
(6)	C404 (LH) or C406 (RH)
(7)	C405 (LH) or C407 (RH)
(8)	P800 (RH) or P700 (LH)
(9)	Side Window Switch, RR Connector

Figure 17:

Rear Lamp Connections


(1)	C403 (LH) and C402 - RH
(2)	S419 - LH and S420 - RH
(3)	P402 - RH and P403 - LH
(4)	Park, Turn Signal, and Backup Lamps - LH Rear, RH Opposite
(5)	Rear Fog Lamp

Figure 18:

Endgate Connectors


(1)	Body Floor
(2)	C411, C412 and C413
(3)	Endgate
(4)	Window Washer Tube Check Valve, Rear

Figure 19:

Rear Frame Location View


(1)	Trailer Wiring Provision
(2)	Splice Pack SP423
(3)	Evaporative (EVAP) Emission Canister Control Valve
(4)	C430
(5)	Fuel Filler Neck Ground Strap
(6)	G402

Figure 20:

Accessories Power Receptacle, Rear


(1)	Body Side Trim Panel
(2)	Accessories Power Receptacle, Rear

Figure 21:

Doors (RF Shown, LF Opposite)


(1)	Door Lock Actuator
(2)	Side Window Regulator Motor
(3)	Door Harness
(4)	Door Harness
(5)	Door Speaker
(6)	C610 (RH) or C501 (LH)
(7)	C601 (RH)
(8)	P600 (RH) or P500 (LH)
(9)	Outside Rear View Mirror Connector

Figure 22:

Outside Rear View Mirror


(1)	Outside Rear View Mirror, LH (RH Opposite)
(2)	C504 (LH), C604 (RH)

Figure 23:

Endgate Window Release


(1)	Endgate
(2)	Rear Window Wiper Motor Connector
(3)	Rear Window Wiper Motor
(4)	Rear Window Wiper Cutout and Liftglass Ajar Jamb Switch Connector
(5)	Rear Window Wiper Cutout and Liftglass Ajar Jamd Switch
(6)	Endgate Lock Cylinder Switch
(7)	Endgate Lock Actuator Connector
(8)	Endgate Lock Cylinder Switch Connector

Figure 24:

Rear Roof


(1)	High Mount Stop Lamp (HMSL)
(2)	Cargo Lamp
(3)	P900

Figure 25:

Engine Wiring, RH Side


(1)	Exhaust Gas Recirculation (EGR) Valve Connectors
(2)	Generator Connector
(3)	Crankshaft Position (CP) Sensor Connector
(4)	Starter Solenoid Connector
(5)	Starter Solenoid
(6)	S101
(7)	Electronic Ignition Control Module (EICM) Connector
(8)	Ignition Coil Connector

Figure 26:

Engine Wiring- LR


(1)	Throttle Position Sensor (TPS) Connector
(2)	Idle Air Control (IAC) Valve Connector
(3)	Knock Sensor (KS) Connector
(4)	Engine Coolant Temperature (ECT) Sensor Connector
(5)	A/C Compressor High Pressure Cutoff Switch
(6)	A/C Compressor Clutch Coil Connector
(7)	A/C Compressor Clutch Diode, S103 and S104

Figure 27:

Vehicle Control Module (VCM)


(1)	Vehicle Control Module (VCM) Connector C4
(2)	Vehicle Control Module (VCM) Connector C3
(3)	Vehicle Control Module (VCM) Connector C2
(4)	Vehicle Control Module (VCM) Connector C1
(5)	Engine Harness
(6)	Body Harness
(7)	Vehicle Control Module (VCM)
(8)	Fender, RH
(9)	C101

Figure 28:

Battery Fuse


(1)	Radiator Support
(2)	Battery Fuse
(3)	G108

Figure 29:

Body Opening Frame, Rear


(1)	Trailer Wiring Provisions
(2)	Splice Pack SP423
(3)	Evaporative (EVAP) Emissions Canister Vent Valve
(4)	C430
(5)	Fuel Filler Neck Ground Strap
(6)	G402

Figure 30:

Radiator Support, Inside RH


(1)	Radiator Support
(2)	Forward Lamps Harness
(3)	Splice Pack SP101
(4)	Ground G112

Figure 31:

Body Harness, Underhood Lamp


(1)	Underhood Lamp Harness
(2)	Underhood Lamp Connector
(3)	Hood
(4)	Underhood Lamp Ground
(5)	G117