Lighting Systems Component Views. Chevrolet Blazer - 4WD

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Lighting Systems Component Views

Figure 1:

Forward Lamps Wiring Harness


(1)	Ambient Air Temperature Sensor (DIC)
(2)	Headlamp, High Beam - Left Connector
(3)	Ground G111
(4)	Splice Pack SP100
(5)	Headlamp, Low Beam - Left Connector
(6)	Forward Lamps Wiring Harness
(7)	Turn Signal Lamp - LF
(8)	Headlamp Washer Pump Fluid Reservoir
(9)	Headlamp Washer Fluid Pump Connector
(10)	S109 and S110
(11)	Headlamp Washer Fluid Pump Relay
(12)	Splice Pack SP101
(13)	Turn Signal Lamp - RF
(14)	Headlamp, High Beam - Right Connector
(15)	Headlamp, Low Beam - Right Connector
(16)	Radiator Support
(17)	S108
(18)	S112
(19)	S111
(20)	Ground G112

Figure 2:

Forward Lamps Wiring Harness Foglamps (RH Shown, LH Opposite)


(1)	Fog Lamp - RF
(2)	Fender, RH

Figure 3:

Repeater Lamp


(1)	Repeater Lamp
(2)	Repeater Lamp Extension Harness Connector
(3)	LH Front Fender

Figure 4:

Body Harness, Underhood Lamp


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

Figure 5:

Dome Lamp Harness - w/Sunroof


(1)	Air Temperature Sensor Assembly - Inside
(2)	S300
(3)	Sunroof Motor and Drive
(4)	Sunroof Module, Connector C2
(5)	Sunroof Module, Connector C1
(6)	C300
(7)	Sunroof Module
(8)	S310
(9)	Vanity Mirror Lamp - Left
(10)	S302
(11)	S332
(12)	Vanity Mirror Lamp - Right
(13)	Driver Information Center (DIC) Connector C1
(14)	Driver Information Center
(15)	Driver Information Center (DIC) Connector C2

Figure 6:

Inside Rearview Mirror


(1)	Visor
(2)	Dome Lamp Harness
(3)	Inside Rearview Mirror Connector
(4)	Inside Rearview Mirror
(5)	Vanity Mirror Lamp - Left Connector

Figure 7:

Floor Pedals


(1)	Dash Panel
(2)	Stop Lamp Switch
(3)	Brake Pedal
(4)	Clutch Start Switch, Manual Transmission
(5)	Clutch Pedal, Manual Transmission

Figure 8:

Hazard Switch


(1)	Instrument Panel
(2)	Hazard Switch
(3)	HVAC Control Panel
(4)	Radio
(5)	Instrument Panel

Figure 9:

I/P Dimmer Switch w/ Front and Rear Fog Lamps


(1)	Fog Lamp Switch - Rear Connector
(2)	Fog Lamp Switch - Front Connector
(3)	I/P Dimmer Switch Connector
(4)	I/P Dimmer Switch
(5)	Instrument Panel

Figure 10:

I/P Dimmer Switch w/ Front Fog Lamps and Headlamp Leveling


(1)	Fog Lamp Switch - Front Connector
(2)	Headlamp Leveling Switch Connector
(3)	I/P Dimmer Switch Connector
(4)	I/P Dimmer Switch
(5)	Instrument Panel
(6)	I/P Wiring Harness

Figure 11:

I/P Wiring Harness


(1)	Passenger Inflatable Restraint Module
(2)	Inflatable Restraint I/P Module Connector
(3)	I/P Compartment Lamp

Figure 12:

I/P Wiring Harness Composite View


(1)	Remote Control Door Lock Receiver (RCDLR) Connector
(2)	Hazard Switch Connector
(3)	Transfer Case Shift Control Switch Connectors C2 and C1
(4)	Air Temperature Sensor - Upper
(5)	Radio Connector
(6)	HVAC Control Module Connector
(7)	Speaker - LF Connector
(8)	Ambient Light Sensor Connector
(9)	I/P Compartment Lamp
(10)	Inflatable Restraint I/P Module
(11)	Instrument Panel
(12)	S227
(13)	C203
(14)	C200
(15)	Courtesy Lamp - Left Console
(16)	C223
(17)	S208, S272, S273, S274, S275, S287, S288
(18)	SP203
(19)	C224
(20)	S283
(21)	S205, S224, S225, S226
(22)	Body Control Module Connector C3
(23)	Sunload Sensor Connector
(24)	Courtesy Lamp - Right Console
(25)	C217
(26)	S230
(27)	Door Jamb Switch - Driver
(28)	Fuse Block - I/P
(29)	Speaker - RF Connector
(30)	I/P Dimmer Switch Connector
(31)	Fog Lamp Switch - Rear
(32)	Instrument Panel Cluster (IPC) Connector
(33)	S223

Figure 13:

Door Harness - RF Shown, LF Opposite


(1)	Outside Rearview Power Folding Mirror Switch Connector
(2)	S603 - RH, S502 - LH
(3)	S604 - RH
(4)	Door Lock Cylinder Switch - Driver Connector
(5)	Door Handle Switch - Right Connector
(6)	Door Lock Actuator - Driver Connector
(7)	Window Motor - Driver Connector C1
(8)	Window Motor - Driver Connector C2
(9)	Speaker - RF Door Connector
(10)	S600 - RH
(11)	S602 - RH
(12)	P600 - RH, P500 - LH
(13)	C610 - RH
(14)	C601 - RH, C501 - LH
(15)	Outside Rearview Mirror Connector - Driver
(16)	S601 - RH, S501 - LH

Figure 14:

Automatic Transmission Control Module


(1)	Automatic Transmission Control Module
(2)	Park Brake Switch Connector
(3)	A/T Shift Lock Control Solenoid Connector
(4)	A/T Indicator Lamp Connector
(5)	Park Brake Lever
(6)	Body Wiring Harness

Figure 15:

Manual Transmission Harness View


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

Figure 16:

Rear Door Harness Routing - RH Shown, LH Opposite


(1)	P800 - RH or P700 - LH
(2)	C306 - RH or C304 - LH
(3)	Door Jamb Switch - RR, LR Similar
(4)	Door Jamb Switch Connector - RR, LR Similar
(5)	C307 - RH or C305 - LH
(6)	S305 - RH or S308 - LH
(7)	Wiring Harness, Body
(8)	S301 - RH or S306 - LH
(9)	Rear Door - Right, Left Similar

Figure 17:

Rear Frame


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

Figure 18:

Rear License Lamps


(1)	C430
(2)	License Lamp Mounting Bracket
(3)	License Lamp - Right
(4)	License Lamp - Center
(5)	License Lamp - Left
(6)	S425
(7)	S426
(8)	License Lamp Wiring Harness

Figure 19:

Rear Lamp Connectors - LR shown, RR Similar


(1)	Rear Lamp Wiring Harness
(2)	Tail/Stop Lamp - Left, Right Similar
(3)	Turn Signal Lamp - LR, RR Similar
(4)	Backup Lamp - Left, Right Similar
(5)	Fog Lamp - LR, RR Similar
(6)	S419 (LH) and S420 (RH)
(7)	C403 (LH) and C402 (RH)
(8)	P403 (LH) and P402 (RH)

Figure 20:

Rear Roof Lighting


(1)	Center High Mount Stop Lamp (CHMSL)
(2)	Cargo Lamp
(3)	Cargo Lamp Connector
(4)	Center High Mounted Stop Lamp (CHMSL) Connector
(5)	Body Wiring Harness