Chevrolet Astro 1996 - 1996 GENERAL MOTORS Astro & Safari

Chevrolet Astro 1996 - BUZZERS, RELAYS & TIMERS

Chevrolet Astro 1996 BUZZERS, RELAYS & TIMERS

Component	Component Location
Blower Relay (High)	On relay bracket, at right rear of engine compartment.
Daytime Running Lamps (DRL) Relay	Lower right side of convenience center.
Defogger Timer Relay (Rear)	Behind left side of dash, near heater control.
Door Lock Relay	Behind right kick panel.
Fuel Pump Relay	Underhood fuse relay center. See Fig. 1 .
Hazard Flasher Relay	On convenience center.
Horn Relay	On convenience center.
Key-In Warning Buzzer	On convenience center, behind left side of dash.
Seat Belt Alarm Buzzer	Behind convenience center.
Transmission Range (TR) Indicator Lamp Relay	Behind left side of dash, near steering column.
Turn Signal Flasher Relay	On left side of steering column.

Chevrolet Astro 1996 - CIRCUIT PROTECTION DEVICES

Chevrolet Astro 1996 CIRCUIT PROTECTION DEVICES

Component	Component Location
Battery Junction Block	On left side of firewall.
Blower Relay Circuit Breaker	On fuse block.
Convenience Center	Left of I/P fuse block, by left kick panel.
Fusible Links, ABS Module (Black)	At battery junction block.
Fusible Links, Alternator (Rust)	At starter solenoid (2 links).
Fusible Links, Blower Relay (Gray)	At battery junction block.
Fusible Links, Ignition Switch/Fuse Block (Black)	At battery junction block (2 links).
Fusible Links, Power Accessories Circuit Breaker (Black)	At battery junction block.
Fusible Links, Vehicle Control Module (VCM)	On starter solenoid.
I/P Fuse Block	Behind left side of dash. See Fig. 1 .
In-Line Fuses, Power Mirrors	Taped to wiring harness, above fuse block.
In-Line Fuses, Radio	Taped to wiring harness, above fuse block.
Power Accessories Circuit Breaker	On fuse block.
Power Windows Circuit Breaker	On fuse block.
Underhood Fuse-Relay Center	On left side of firewall. See Fig. 1 .

Chevrolet Astro 1996 - CONTROL UNITS

Chevrolet Astro 1996 CONTROL UNITS

Component	Component Location
Audio Alarm Module	On convenience center, behind left side of dash.
Cruise Control Module	Center front of dash, left of windshield wiper module.
Daytime Running Lamps (DRL) Module	Behind left side of dash, taped to main harness.
Distributor Ignition Control Module	Top of engine, front of coil. See Fig. 1 .
Door Lock Control Module	Behind right kick panel.
Liftgate Lock/Latch Module	Near right rear "D" pillar.
Remote Keyless Entry (RKE) Module	In right side of instrument cluster, behind air duct.
Sensing Diagnostic Module (SDM)	Under driver's seat.
Vehicle Control Module (VCM)	Left side of engine. See Fig. 1 .

Chevrolet Astro 1996 - MOTORS

Chevrolet Astro 1996 MOTORS

Component	Component Location
Blower Motor (Front)	Behind coolant recovery reservoir, right front fender.
Blower Motor (Rear A/C)	Left rear of vehicle, near "D" pillar.
Blower Motor (Rear Heater)	Left side of vehicle, behind "B" pillar.
Cruise Control Servo Motor	On bracket, on top of intake manifold.
Fuel Pump	In fuel tank.
Door Lock Motors	Inside bottom of each door.
Seat Motors (3)	Under each front seat.
Power Window Motors	Inside respective doors.
Window Washer Pump (Rear)	In windshield washer reservoir.
Window Wiper Motor (Rear)	In center of liftgate.
Windshield Washer Pump (Front)	In windshield washer reservoir.
Wiper Motor & Module (Front)	On center front of dash, next to cruise control module.

Chevrolet Astro 1996 - SENDING UNITS & SENSORS

Chevrolet Astro 1996 SENDING UNITS & SENSORS

Component	Component Location
Air Bag Front End Discriminating Sensors	In center of core support, front of radiator.
Ambient Air Temperature Sensor	Center of core support, in front of radiator.
Camshaft Position (CMP) Sensor	Side of distributor
Engine Coolant Temperature (ECT) Gauge Sensor	On left side of engine block.
Engine Coolant Temperature (ECT) Sensor	On side of linear EGR valve solenoid. See Fig. 1 .
Heated Oxygen Sensor (HO2S) No. 1	Right front exhaust Y-pipe closest to exhaust manifold. See Fig. 1 .
Heated Oxygen Sensor (HO2S) No. 2	Left front exhaust Y-pipe. See Fig. 1 .
Heated Oxygen Sensor (HO2S) No. 3	Right front exhaust Y-pipe closest to catalytic converter. See Fig. 1 .
Heated Oxygen Sensor (HO2S) No. 4	On exhaust pipe, between catalytic converter & muffler. See Fig. 1 .
Intake Manifold Air Temperature (IAT) Sensor	Top of air intake duct. See Fig. 1 .
Knock Sensor (KS)	On left rear side of engine. See Fig. 1 .
Manifold Absolute Pressure (MAP) Sensor	Top of engine, near ignition coil. See Fig. 1 .
Mass Air Flow (MAF) Sensor	Front of air intake duct. See Fig. 1 .
Linear EGR Valve Solenoid	Top of engine, left of generator. See Fig. 1 .
Throttle Position (TP) Sensor	On throttle body assembly. See Fig. 1 .
Vehicle Speed Sensor (VSS) (2WD)	On rear of transmission. See Fig. 1 .
Wheel Speed Sensor (Left Front)	Lower left control arm.
Wheel Speed Sensor (Right Front)	Lower right control arm.

Chevrolet Astro 1996 - SOLENOIDS & SOLENOID VALVES

Chevrolet Astro 1996 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Brake Pressure Modulator Valve (BPMV)	Left front side of frame, left of transmission.
Brake/Transmission Shift Interlock Solenoid (BTSI)	In steering column.
Evaporative (EVAP) Emission Canister Purge Solenoid	Top of engine, next to MAP sensor. See Fig. 1 .
Heater & A/C Control Valve Solenoid	Lower left side of evaporative housing, behind receiver dryer.
Idle Air Control (IAC) Valve	On throttle body assembly. See Fig. 1 .
Liftgate Release Solenoid	On rear liftgate.
Linear EGR Valve Solenoid	On top front of engine.
Variable Tuning Control Solenoid	On top center of engine.

Chevrolet Astro 1996 - SWITCHES

Chevrolet Astro 1996 SWITCHES

Component	Component Location
A/C Low Pressure Cutout Switch	Top of A/C receiver dryer. See Fig. 1 .
A/C Low Pressure Cutout Switch (Pressure Cycling)	On low side fitting. See Fig. 1 .
Brake Pressure Warning Switch	On brake pressure modulator valve assembly.
Clutch Start Switch (M/T)	On clutch pedal bracket.
Oil Pressure Switch	On top rear of engine. See Fig. 1 .
Park Brake Warning Switch	On parking brake assembly.
Park/Neutral Position & Back-Up Lamp Switch (2WD)	On left center of transmission.
Park/Neutral Position & Backup Lamp Switch (AWD)	On left center of transmission.
Purge Solenoid Vacuum Switch	Top rear of engine, above right side valve cover.
TCC/Stoplamp Switch	On brake pedal bracket.

Chevrolet Astro 1996 - MISCELLANEOUS

Chevrolet Astro 1996 MISCELLANEOUS

Component	Component Location
Data Link Connector (DLC)	Under left side of dash. See Fig. 1 .
Fuel Pump Test Connector	Left side of engine compartment. See Fig. 1 .

Chevrolet Astro 1996 - CONNECTORS

Chevrolet Astro 1996 CONNECTORS

Component	Component Location
C100 (Black, 36 Pin)	In left side of dash.
C101 (Black, 6 Pin)	In left side of dash, below of fuse block.
C102 (Gray, 5 Pin)	In left side of dash.
C103	Top of engine.
C104	In left side of dash, below of fuse block.
C105 (Black, 15 Pin)	In left side of dash, below of fuse block.
C200	Behind left kick panel.
C201 (Black, 6 Pin)	Right kick panel.
C202	In I/P fuse block.
C203 (Black, 4 Pin)	Below engine cover, center of firewall.
C204	In left side of dash, behind instrument cluster.
C205	In right kick panel.
C206	In right kick panel.
C207	In fuse block.
C209 (Black, 4 Pin)	In fuse block.
C210 (Gray, 6 Pin)	In fuse block.
C211 (Black, 48 Pin)	Lower half of steering column.
C212 (Black, 4 Pin)	In left kick panel.
C213 (Black, 6 Pin)	In left kick panel.
C214	In left kick panel.
C300 (Natural, 10 Pin)	In left kick panel.
C301	In left kick panel.
C302 (AWD)	Left side of transfer case.
C303	In left kick panel.
C305	In right kick panel
C401	Top of left "D" pillar.

Chevrolet Astro 1996 - GROUNDS

Chevrolet Astro 1996 GROUNDS

Component	Component Location
G100	In right front of dash, above blower motor.
G101	On thermostat housing.
G102	On right side of frame rail, next to canister.
G103	On left rear of engine, next to knock sensor.
G104	On left rear of engine, next to knock sensor.
G105	On left front side of dash, above battery.
G106	On right front of radiator support, next to engine coolant reservoir.
G107	On left front of radiator support, below main body ground.
G108	On left side radiator support.
G109	On front lower right side of engine.
G200	On right front "A" pillar, above left front door jamb switch.
G300	On left front "A" pillar, above left front door jamb switch.
G301	Above rear heater, toward rear of vehicle.
G400	On upper half of left "D" pillar.
G401	On upper half of right "D" pillar.
G402	Below rear A/C blower, toward front of vehicle.
G403	On upper half of right "D" pillar.

Chevrolet Astro 1996 - SPLICES

Chevrolet Astro 1996 SPLICES

Component	Component Location
S100	In engine harness, 10.5 cm from underhood fuse & relay center breakout, toward C100.
S101	In engine harness, 17 cm from underhood fuse & relay center breakout, toward C100.
S102	In engine harness, 2.5 cm from forward lamp harness breakout, toward engine.
S103	In engine harness, 9 cm from forward lamp harness breakout, toward engine.
S104	In engine harness, 4 cm from underhood fuse & relay center breakout, toward engine.
S105	In engine harness, 29 cm from underhood fuse & relay center breakout.
S106	In engine lamp harness, 22.5 cm from underhood fuse & relay center.
S107	In engine harness, 2.5 cm from A/C low pressure cut-off switch breakout, toward engine.
S108	In engine harness, 5 cm from underhood fuse & relay center breakout, toward C100.
S109	In engine harness, 6 cm from linear EGR valve solenoid breakout, toward underhood fuse & relay center.
S110	In engine harness, 6 cm generator breakout, toward rear of engine
S111	In engine harness, 12.5 cm from generator breakout, toward rear of engine.
S112	In engine harness, 18 cm from mass airflow sensor breakout, toward engine.
S113	In engine harness, 9 cm from A/C low pressure cutoff switch breakout, toward engine.
S114	In engine harness, 15 cm from speed sensor connector.
S115	In engine harness, 4 cm from transmission breakout, toward engine.
S116	In engine harness, 24.5 cm from brake pressure modulator valve breakout, toward brake pressure modulator valve.
S117	In engine harness, 32 cm from brake pressure modulator valve C3 connector.
S118	Front of dash, 4 cm from left front side of dash, left of
S119	Front of dash, 4 cm from forward lamp harness breakout, toward C105.
S120	In engine harness, 6 cm from generator breakout, toward rear of engine.
S122	Front of dash, 22 cm from forward lamp harness breakout, toward windshield washer motor.
S123	In forward lamp harness, 8 cm from right headlamp breakout, toward left side of vehicle.
S124	In forward lamp harness, 4 cm from right headlamp breakout, toward left side of vehicle.
S125	In forward lamp harness, 4 cm from left headlamp breakout, toward right side of vehicle.
S126	In forward lamp harness, 4 cm from left turn/park lamp breakout toward left front side of dash, on firewall.
S127	In forward lamp harness, 11.5 cm from left turn/park lamp breakout, toward left front side of dash, on firewall.
S128	In forward lamp harness, 10.5 cm from left headlamp breakout, toward right headlamp.
S129	In forward lamp harness, 4 cm from left headlamp breakout, toward right headlamp.
S130	In forward lamp harness, 60 cm from left headlamp breakout, toward horns.
S131	In engine harness, 13 cm from oil pressure breakout, toward front of engine.
S132	In engine harness, 16 cm from starter solenoid power stud.
S133	In engine harness, 6.5 cm from fuel injector harness breakout, toward front of engine.
S134	In engine harness, 6.5 cm from knock sensor breakout, toward front of engine.
S200	Under dash, 13 cm from I/P fuse block, toward C100.
S201	In vanity mirror harness, 7.5 cm from left vanity mirror breakout.
S202	In I/P harness, 6.5 cm from firewall connector, toward instrument cluster.
S203	In I/P harness, 6.5 cm from firewall connector, toward instrument cluster.
S206	In left kick panel 4 cm from firewall connector, toward rear of vehicle.
S207	In I/P harness, 4 cm from firewall connector, toward instrument cluster.
S208	In I/P harness, 7 cm from firewall connector, toward instrument cluster.
S209	In I/P harness, 10 cm from firewall connector, toward instrument cluster.
S210	In I/P harness, 0.5 cm from TCC stoplamp switch breakout, toward heater A/C control breakout.
S211	In I/P harness, 16 cm from firewall connector, toward instrument cluster.
S212	In I/P harness, 6 cm from data link connector breakout, toward main I/P harness.
S213	In I/P harness, 8.5 cm from headlamp switch breakout, toward instrument cluster.
S214	In I/P harness, 2 cm from headlamp switch breakout, toward instrument cluster.
S215	In I/P harness, 17 cm headlamp switch breakout, toward switch connector.
S216	In I/P harness, 0.5 cm from headlamp switch breakout, toward instrument cluster.
S217	in I/P harness, 9 cm from instrument cluster breakout, left side of dash.
S218	In I/P harness, 4 cm from headlamp switch breakout, toward switch connector.
S219	In I/P harness, 10.5 cm from headlamp switch breakout.
S220	In I/P harness, 9 cm from instrument cluster breakout.
S221	In I/P harness, 2.5 cm from instrument cluster breakout.
S222	In I/P harness, 4 cm from instrument cluster breakout.
S223	In I/P harness, 4 cm from instrument cluster breakout.
S224	In I/P harness, 10.5 cm from instrument cluster breakout.
S225	In I/P harness, 17 cm from instrument cluster breakout.
S226	In I/P harness, 23.5 cm from instrument cluster breakout.
S227	In I/P harness, 21 cm from heater A/C control breakout.
S228	In I/P harness, 14.5 cm from heater A/C control breakout.
S229	In I/P harness, 12 cm from liftgate release switch breakout.
S230	In I/P harness, 4 cm from heater A/C control breakout.
S231	In I/P harness, 10.5 cm from temperature control motor breakout.
S232	In I/P harness, 9.5 cm from temperature control motor breakout.
S233	In I/P harness, 4 cm from temperature control motor breakout.
S234	In I/P harness, 17 cm from right I/P harness rosebud clip.
S235	In I/P harness, 10.5 from right I/P harness rosebud clip.
S236	In I/P harness, 4 from right I/P harness rosebud clip.
S237	In vanity mirror harness, 7.5 cm from left vanity mirror breakout.
S238	In I/P harness, 0.5 cm from data link connector breakout, toward steering column connector.
S239	In I/P harness, 5.5 cm from TCC stoplamp switch breakout, toward right side of dash.
S240	In I/P harness, 2.5 cm from temperature control motor breakout.
S300	In left kick panel, 38 cm from park brake switch breakout.
S302	In left kick panel, 1 cm from park brake switch breakout.
S303	In left kick panel, 0.5 cm from park brake switch breakout, toward C100.
S304	In left kick panel, 7 cm from park brake switch breakout, toward C100.
S305	In power seat harness, 7.5 cm from left power seat breakout, toward left power seat.
S306	In left side of vehicle, 4 cm from door harness breakout, toward front of vehicle.
S307	In roof of vehicle, 10.5 cm from mid dome lamp breakout, toward left side door.
S308	In roof of vehicle, 4 cm from mid dome lamp breakout, toward left side door.
S309	On left side of vehicle, 4 cm from side door harness breakout, toward rear of vehicle.
S310	Left side of vehicle, 10.5 cm from side door harness breakout, toward rear of vehicle.
S311	Left side of vehicle, 17.5 cm from side door harness breakout, toward rear of vehicle.
S312	Left side of vehicle, 17 cm from side door harness breakout, toward rear of vehicle.
S313	Left side of vehicle, 23.5 cm from side door harness breakout, toward rear of vehicle.
S314	Left side of vehicle, 4 cm from radio control module breakout, toward module connector.
S315	Left side of vehicle, 24 cm from subwoofer amplifier breakout, toward module connector.
S316	Left side of vehicle, 37 cm from subwoofer amplifier breakout, toward module connector.
S317	Left side of vehicle, 4 cm from subwoofer amplifier breakout, toward amplifier connector.
S318	Left side of vehicle, 10.5 cm from subwoofer amplifier breakout, toward amplifier connector.
S319	In left rear "D" pillar, 10 cm from G400 breakout, toward top of vehicle.
S320	In left "D" pillar, 46 cm from G400 breakout, toward top of vehicle
S321	In rear top of vehicle, 41 cm from center high mounted stop lamp breakout, toward left side of vehicle.
S322	In power seat harness, 7.5 cm from left power seat breakout, toward right power seat.
S323	In left "B" pillar, 10.5 cm from side door harness breakout, toward top of vehicle.
S325	In left kick panel, 13.5 cm from park brake switch breakout, toward rear of vehicle.
S326	In left kick panel, 13.5 cm from park brake switch breakout, toward rear of vehicle.
S400	Rear top of vehicle, 12.5 cm from center high mounted stop lamp breakout, toward left side of vehicle.
S401	In right rear "D" pillar, 10.5 cm from right rear door breakout, toward top of vehicle.
S402	In right rear "D" pillar, 4 cm from right rear door breakout, toward top of vehicle.
S403	In right rear "D" pillar, 4.5 cm from right rear door breakout, toward lower half of right "D" pillar.
S404	6 cm from right liftgate strut switch breakout, toward left side.
S405	8 cm from liftgate lock/latch module breakout, toward liftgate.
S406	19.5 cm from G401 breakout, toward top of vehicle.
S500	In left door harness, 6 cm from outside rearview mirror breakout, toward power window motor connector.
S501	In left door harness, 6.5 cm from outside rearview mirror breakout, toward power window motor connector.
S502	In left door harness, 11 cm from power window motor breakout, toward lower half of left "A" pillar.
S503	In left door harness, 2.5 cm from power window motor breakout, toward lower half of left "A" pillar.
S504	In left door harness, 4 cm from power door lock switch breakout, toward lower half of left "A" pillar.
S505	In left door harness, 4 cm from power door lock switch breakout, toward courtesy lamp.
S506	In left door harness, 6.5 cm from power door lock switch breakout, toward door lock switch connector.
S600	In right door harness, 43.5 cm from power door lock switch breakout, toward door lock switch connector.
S601	In right door harness, 4 cm from power door lock switch breakout, toward lower half of right "A" pillar.
S602	In right door harness, 3.5 cm from power window motor breakout, toward lower half of right "A" pillar.
S603	In right door harness, 4 cm from power door lock switch breakout, toward courtesy lamp.
S604	In right door harness, 6.5 cm from outside rearview mirror breakout, toward mirror connector.
S605	In right door harness, 14.5 cm from power door lock switch breakout, toward door lock switch connector.

Chevrolet Astro 1996 - COMPONENT LOCATION GRAPHICS

NOTE:

Fig.res may show multiple component locations. - appropriate table for proper figure references.

Fig. 1: Chevrolet Astro 1996 - Component Locations - Engine Compartment (4.3L VIN W)