Antilock Brake System Component Views. Chevrolet Astro

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1998 🢒 Astro - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Antilock Brake System Component Views

Figure 1:

Electronic Brake Control Module (EBCM)/Fuel Pump Wiring


(1)	Electronic Brake Control Module (EBCM)
(2)	Brake Pressure Warning Switch
(3)	Electronic Brake Control Module (EBCM) (C4)
(4)	Electronic Brake Control Module (EBCM) (C1)
(5)	S127
(6)	Electronic Brake Control Module (EBCM) (C3)
(7)	S129
(8)	Fuel Pump and Level Sender Connector
(9)	G302
(10)	Evaporative Emissions Canister Vent Valve
(11)	S126

Figure 2:

Interior Lamp Modules, DLC Wiring


(1)	C211
(2)	C201
(3)	Interior Lamp Control Module
(4)	Data Link Connector
(5)	S208

Figure 3:

Instrument Cluster Wiring


(1)	S217
(2)	S216
(3)	Headlamp and Panel Dimmer Switch
(4)	S215
(5)	S214
(6)	S213
(7)	S211
(8)	S207
(9)	Daytime Running Lamps Module
(10)	Daytime Running Lamps Module Connector
(11)	S212
(12)	S218
(13)	S219
(14)	S220
(15)	S221
(16)	S222
(17)	S204

Figure 4:

HVAC Panel Wiring


(1)	Dome Lamp Defeat Switch
(2)	Instrument Cluster
(3)	Rear Defogger Switch
(4)	Fan Switch (part of HVAC Control Module)
(5)	Temperature Control Switch (part of HVAC Control Module)
(6)	Mode Switch (part of HVAC Control Module)
(7)	HVAC Control Module (w/A/C) Heater Control Module (w/o A/C)
(8)	Rear Heater Switch Connector
(9)	Rear Heater Switch
(10)	Rear A/C Switch
(11)	Rear A/C Switch Connector
(12)	Rear Window Wiper/Washer Switch
(13)	Radio

Figure 5:

Left Front Interior Wiring


(1)	S200
(2)	C202
(3)	Inflatable Restraint I/P Module
(4)	Passlock™ Module
(5)	Front Auxiliary Power Outlet #1
(6)	Front Auxiliary Power Outlet #2
(7)	Cigar Lighter Connector
(8)	S234
(9)	Engine Cover Ground
(10)	Inflatable Restraint Sensing Diagnostic Module
(11)	Inflatable Restraint Sensing Diagnostic Module Connector
(12)	C300
(13)	S300
(14)	S326
(15)	CHMSL Register
(16)	S325
(17)	Park Brake Warning Switch
(18)	S304
(19)	S303
(20)	S305
(21)	S306
(22)	C200
(23)	S203

Figure 6:

TCC/Stoplamp Switch Wiring


(1)	TCC/Stoplamp Switch
(2)	TCC/Stoplamp Switch Connector

Figure 7:

Battery Wiring (RWD)


(1)	Underhood Fuse-Relay Center
(2)	Battery
(3)	G102
(4)	Starter Motor
(5)	Starter Solenoid
(6)	G103

Figure 8:

Battery Wiring (A4WD)


(1)	Underhood Fuse-Relay Center
(2)	Battery
(3)	G102
(4)	Starter Motor
(5)	Starter Solenoid
(6)	G103

Figure 9:

Vehicle Control Module Wiring


(1)	Vehicle Control Module (VCM)
(2)	S153
(3)	S151
(4)	S152
(5)	VCM Blue 32-way Connector (C1)
(6)	VCM Red 32-way Connector (C2)
(7)	VCM Black 32-way Connector (C4)
(8)	VCM Clear 32-way Connector (C3)

Figure 10:

Antilock Brake System Wiring


(1)	Wheel Speed Sensor, RH
(2)	Wheel Speed Sensor, LH

Figure 11:

Forward Lamps Harness, Left Side


(1)	C100
(2)	P100
(3)	C101
(4)	S135
(5)	C102
(6)	C104
(7)	LH Front Park/Turn Lamp Connector
(8)	LH Front Park/Turn Lamp
(9)	S106
(10)	S105
(11)	LH Front Side Marker Lamp Connector
(12)	S104
(13)	LH Front Side Marker Lamp
(14)	S103
(15)	S102
(16)	Front End Discriminating Sensor Connector
(17)	Front End Discriminating Sensor
(18)	S107
(19)	LH Hi/Low Beam Headlamp (Sealed Beam)

Figure 12:

Engine Wiring, LH Side


(1)	Fuel Injector Connector
(2)	C103
(3)	Fuel Injector #4 (Inside Plenum)
(4)	G107
(5)	Distributor
(6)	Fuel Injector #6 (Inside Plenum)
(7)	Oil Pressure Switch And Sender Connector
(8)	S124
(9)	S125
(10)	Camshaft Position Sensor (Inside Distributor)
(11)	Camshaft Position Sensor Connector
(12)	Oil Pressure Switch And Sender
(13)	Knock Sensor
(14)	Knock Sensor Connector
(15)	G106
(16)	Fuel Injector #5 (Inside Plenum)
(17)	Engine Coolant Temperature Gauge Sensor
(18)	Fuel Injector #3 (Inside Plenum)
(19)	Fuel Injector #1 (inside plenum)
(20)	A/C High Pressure Cut-Off Switch
(21)	A/C Compressor
(22)	A/C Compressor Clutch
(23)	A/C Compressor Clutch-Connector
(24)	Throttle Position Sensor
(25)	Engine Coolant Temperature Gauge Sensor Connector
(26)	Idle Air Control Valve Motor
(27)	Throttle Position Sensor Connector
(28)	Fuel Injector #2 (Inside Plenum)
(29)	Idle Air Control Valve Motor Connector

Figure 13:

Front of Dash Wiring, LH Side


(1)	S130
(2)	S131
(3)	S132
(4)	S134
(5)	S119
(6)	C105
(7)	S133
(8)	G110

Figure 14:

Bulkhead/Underhood Fuse-Relay Center Wiring


(1)	S111
(2)	S113
(3)	S114
(4)	S110
(5)	S112
(6)	S109
(7)	S108
(8)	S115

Figure 15:

Convenience Center Wiring


(1)	S210
(2)	S209
(3)	S206
(4)	S238
(5)	S205
(6)	S200
(7)	S201
(8)	S202
(9)	C210

Figure 16:

I/P Fuse Block/Convenience Center Wiring


(1)	Convenience Center
(2)	Turn/Hazard Flasher Module
(3)	Horn Relay
(4)	DRL Relay
(5)	I/P Fuse Block
(6)	C213
(7)	C212
(8)	Audio Alarm Module