Harness Routing Views. Chevrolet Astro

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2001 🢒 Astro - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Harness Routing Views

Figure 1:

Forward Lamps Harness, Left Side


(1)	Headlamp - Left (Sealed)
(2)	C100
(3)	P100
(4)	C104
(5)	C109
(6)	C102
(7)	S103
(8)	S132
(9)	S131
(10)	S103
(11)	S102
(12)	S105
(13)	S104
(14)	Side Marker Lamp - LF Connector
(15)	Side Marker - LF
(16)	Park/Turn Signal Lamp - LF
(17)	Park/Turn Signal Lamp - LF Connector
(18)	Inflatable Restraint Front End Discriminating Sensor Connector
(19)	Inflatable Restraint Front End Discriminating Sensor

Figure 2:

Forward Lamp Harness, RH Side


(1)	Rear Window Washer Fluid Pump
(2)	S101
(3)	Park/Turn Signal Lamp - RF
(4)	Park/Turn Signal Lamp - RF Connector
(5)	Marker Lamp - RF Connector
(6)	Marker Lamp - RF
(7)	S106
(8)	S100
(9)	Headlamp - Right
(10)	G100
(11)	Blower Motor
(12)	Windshield Washer Fluid Pump
(13)	Blower Motor Resistor Assembly

Figure 3:

Engine Wiring, LH Side (Electrical)


(1)	A/C Compressor Clutch
(2)	A/C Compressor Clutch Connector
(3)	Throttle Position (TP) Sensor
(4)	Engine Coolant Temperature (ECT) Sensor Connector
(5)	Idle Air Control (IAC) Valve
(6)	Throttle Position (TP) Sensor Connector
(7)	Fuel Injector #2 (Inside Plenum)
(8)	Idle Air Control (IAC) Valve Connector
(9)	Fuel Injector Connector (C103)
(10)	Fuel Injector #4 (Inside Plenum)
(11)	G107
(12)	Distributor
(13)	S123
(14)	Fuel Injector #6 (Inside Plenum)
(15)	Engine Oil Pressure (EOP) Sensor and Fuel Pump Switch Connector
(16)	S124
(17)	Camshaft Position (CMP) Sensor
(18)	Camshaft Position (CMP) Sensor Connector
(19)	S126
(20)	Engine Oil Pressure (EOP) Sensor and Fuel Pump Switch
(21)	Knock Sensor (KS
(22)	Knock Sensor (KS) Connector
(23)	G106
(24)	Fuel Injector #5 (Inside Plenum)
(25)	Engine Coolant Temperature (ECT) Sensor
(26)	Fuel Injector #3 (Inside Plenum)
(27)	A/C High Pressure Switch Connector
(28)	Fuel Injector #1 (Inside Plenum)
(29)	A/C High Pressure Switch
(30)	A/C Compressor Clutch

Figure 4:

Engine Wiring, Right Side


(1)	S123
(2)	Evaporative Emission (EVAP) Canister Purge Solenoid Connector
(3)	Ignition Coil Connector
(4)	Ignition Control Module (ICM)
(5)	S154
(6)	S119
(7)	Ignition Control Module (ICM) Connector
(8)	Generator
(9)	Generator Connector
(10)	Ignition Coil
(11)	Manifold Absolute Pressure (MAP) Sensor Connector
(12)	Manifold Absolute Pressure (MAP) Sensor
(13)	Evaporative Emission (EVAP) Canister Purge Solenoid

Figure 5:

Undercarriage Wiring


(1)	Electronic Brake Control Module (EBCM)
(2)	Electronic Brake Control Module (EBCM) Connector C2
(3)	Electronic Brake Control Module (EBCM) Connector C1
(4)	C314
(5)	S126
(6)	S127
(7)	G302
(8)	C310
(9)	Evaporative Emission (EVAP) Canister Vent Solenoid

Figure 6:

Left B Pillar Harness


(1)	S307
(2)	S301
(3)	Daytime Running Lamps (DRL) Diode
(4)	Left "B" Pillar
(5)	Daytime Running Lamps (DRL) Diode Connector
(6)	S315
(7)	S322

Figure 7:

Powertrain Control Module Wiring


(1)	Powertrain Control Module (PCM)
(2)	S153
(3)	S151

Figure 8:

Bulkhead/Fuse Block - Underhood Wiring


(1)	S115
(2)	S111
(3)	S110
(4)	P100
(5)	S112
(6)	C104
(7)	C100
(8)	S133
(9)	S109
(10)	S108
(11)	Fuse Block - Underhood
(11)	Fuse Block - Underhood

Figure 9:

Engine/Center of Front Dash Wiring


(1)	Cruise Control Module (CCM)
(2)	Intake Air Temperature (IAT) Sensor Connector
(3)	Windshield Wiper Motor and Module
(4)	Intake Air Temperature (IAT) Sensor
(5)	A/C Low Pressure Switch
(6)	A/C Low Pressure Switch Connector
(7)	Vacuum Control Assembly
(8)	Vacuum Control Assembly Connector
(9)	Mass Air Flow (MAF) Sensor
(10)	Mass Air Flow (MAF) Sensor Connector
(11)	Mass Air Flow (MAF) Sensor Connector
(12)	Mass Air Flow (MAF) Sensor
(13)	Intake Air Temperature (IAT) Sensor
(14)	Intake Air Temperature (IAT) Sensor Connector
(15)	Blower Motor
(16)	S115
(17)	S117

Figure 10:

Front of Dash Wiring, Left Side (Electrical)


(1)	S130
(2)	C102
(3)	C109
(4)	G110

Figure 11:

Instrument Cluster Wiring


(1)	Body Control Module (BCM)
(1)	Body Control Module (BCM)
(2)	Body Control Module (BCM) Connectors
(3)	HVAC Control Module
(4)	S219
(5)	S217
(6)	S211
(7)	S257
(8)	S330
(9)	Headlamp and Panel Dimmer Switch
(10)	S256
(11)	Headlamp and Panel Dimmer Switch Connector
(12)	Remote Control Door Lock Receiver (RCDLR) Connector
(13)	S210
(14)	S254
(15)	S250
(16)	S212
(17)	S219
(18)	Instrument Panel Cluster (IPC) Connector
(19)	S258
(20)	S259
(21)	S255
(22)	Radio Connectors

Figure 12:

IP Wiring, RH Side (Electrical)


(1)	S232
(2)	S231
(3)	S230
(4)	S260
(5)	S241
(6)	S229
(7)	S223
(8)	S224
(9)	S259
(10)	S223
(11)	S227
(12)	S228
(13)	Temperature Control Motor Connector
(14)	Temperature Control Motor

Figure 13:

Fuse Block - I/P Location View


(1)	Convenience Center
(2)	Turn Signal/Hazard Flasher Module
(3)	Horn Relay
(4)	Fuse Block - I/P
(5)	C213
(6)	C212

Figure 14:

Convenience Center Wiring


(1)	S238
(2)	S206
(3)	S205
(4)	S204
(5)	S203

Figure 15:

Left Front Interior Wiring


(1)	C200
(2)	S240
(3)	S200
(4)	S201
(5)	C223
(6)	C202
(7)	Inflatable Restraint I/P Module
(8)	Auxiliary Power Outlet Front #1 Connector
(9)	Auxiliary Power Outlet Front #2 Connector
(10)	Cigar Lighter Connector
(11)	S234
(12)	Engine Cover Ground (G201)
(13)	Inflatable Restraint Sensing and Diagnostic Module
(14)	Inflatable Restraint Sensing and Diagnostic Module Connector
(15)	C333
(16)	S242
(17)	C300
(18)	S325
(19)	Center High Mounted Stop Lamp (CHMSL) Resistor
(20)	S326
(21)	S324
(22)	S327
(23)	Park Brake Switch
(24)	S303
(25)	S330
(26)	S246
(27)	S305
(28)	S246

Figure 16:

Splice Pack, Relay Block, DLC Wiring


(1)	C201
(2)	Inflatable Restraint Steering Wheel Module Coil Connector
(3)	Data Link Connector (DLC)
(4)	Relay Block #1
(5)	S253
(6)	S220
(7)	S252
(8)	S251
(9)	S250
(10)	SP261 Splice Pack

Figure 17:

Vanity Mirror Wiring


(1)	S237
(2)	Inside Rearview Mirror Connector
(3)	Vanity Lamp Connector
(4)	Vanity Lamp
(5)	S236
(6)	C209

Figure 18:

RH Kick Panel Wiring


(1)	Door Lock Relay
(2)	G200
(3)	Door Jamb Switch - RH Connector
(4)	Door Jamb Switch - RH
(5)	C205
(6)	C203

Figure 19:

Left Kick Panel Wiring


(1)	G300
(2)	C301
(3)	C303
(4)	Door Jamb Switch - Driver

Figure 20:

Door Wiring - Front Passenger (Driver Similar)


(1)	C301 (LH), C205 (RH)
(2)	C303 (LH), C204 (RH)
(3)	P500 (LH), P600 (RH)
(4)	S500 (LH)
(5)	S501 (LH)
(6)	Outside Rearview Mirror Connector
(7)	S503 (LH), S605 (RH)
(8)	S507 (LH), S602 (RH)
(9)	S508 (LH)
(10)	S504 (LH), S601 (RH)
(11)	Speaker Connector - RF Door Tweeter
(12)	S506 (LH), S600 (RH)
(13)	Outside Rearview Mirror Switch Connector (LH)
(14)	Window Switch - Front Passenger Connector C1
(15)	Window Motor - Front Passenger
(16)	Window Switch - Front Passenger Connector C2
(17)	S502 (LH), S603 (RH)
(18)	Door Lock Actuator - Front Passenger
(19)	Door Lock Actuator Connector - Front Passenger
(20)	Door Lock Switch Connector - Front Passenger
(21)	Speaker Connector - RF Door

Figure 21:

Power Seats


(1)	Power Seat Harness
(1)	Power Seat Harness
(2)	C222
(3)	S332
(4)	S323

Figure 22:

Power Seat Riser


(1)	Seat Vertical Motor
(2)	Seat Adjuster Switch
(3)	Seat Horizontal Motor
(4)	C306 (LH), C307 (RH)
(5)	Seat Rear Vertical Motor

Figure 23:

Courtesy Lamp Wiring - LH


(1)	D300
(2)	S328
(3)	Courtesy Lamp - LH

Figure 24:

Transmission Wiring


(1)	Automatic Transmission
(2)	Adapter
(3)	Park/Neutral Position (PNP) Switch Connector C1
(4)	Park/Neutral Position (PNP) Switch Connector C2
(5)	Park/Neutral Position (PNP) Switch
(6)	C175
(7)	Vehicle Speed Sensor (VSS)
(8)	Vehicle Speed Sensor (VSS) Connector
(9)	S333
(10)	Vehicle Speed Sensor (VSS) Shield (Taped)

Figure 25:

A4WD Transfer Case Locator View


(1)	Propshaft Speed Sensor - Rear
(2)	Transfer Case Encoder Motor Connector
(3)	Vehicle Speed Sensor (VSS)
(4)	Propshaft Speed Sensor - Front
(5)	Transfer Case
(6)	P301

Figure 26:

Body Harness -LR


(1)	Blower Motor - Auxiliary
(2)	S313
(3)	S312
(4)	S311
(5)	S310
(6)	S309
(7)	S314
(8)	S315
(9)	S322
(10)	S316
(11)	Audio Amplifier
(12)	Audio Amplifier Connector
(13)	S318
(14)	S317
(15)	G404

Figure 27:

Body Wiring -RR


(1)	S334
(2)	S335
(3)	Liftglass Lock/Unlock Relay
(4)	Liftglass Lock/Unlock Relay Connector

Figure 28:

RH D Pillar Wiring


(1)	S400
(2)	Door Lock Actuator - Rear
(3)	P401
(4)	Trailer Harness (Taped Wires)
(5)	S403
(6)	S402
(7)	S401
(8)	S404
(9)	G401
(10)	Speaker - RR

Figure 29:

Left D Pillar Wiring


(1)	S321
(2)	C401
(3)	S320
(4)	Speaker - LR
(5)	S319
(6)	Speaker - LR Door (Base Radio) Speaker - LR Subwoofer (Premium Radio)
(7)	P400
(8)	G400
(9)	S400

Figure 30:

Right D Pillar Wiring


(1)	G401
(2)	G403
(3)	S407