Diagram sections — 25 (44 total)
AIR CONDITIONING ANTI-LOCK BRAKES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING A/C Wiring Diagram for Chevrolet Astro 1996 List of elements for A/C Wiring Diagram for Chevrolet Astro 1996: 55 (right side of dash) A/c clutch diode (in underhood fuse/relay center) A/c comp mini fuse k11 10a A/c compressor clutch A/c enable A/c enable relay (in underhood fuse/relay center) A/c high pressure cut off switch (rear of a/c compessor) A/c low pressure cut off switch (top of a/c receiver dryer) A/c maxi fuse m3 30a A/c request B red Bi-lv Blend Blower motor resistor and relay pack (mounted on right front of dash housing, between evaporator and front blower motor) C208 C209 Convenience center Def Front blower motor G109 (right radiator support) G201 G201 (right side of dash) G402 (below rear a/c blower) G409 (above rear heater) G901 (right front "a" pillar) Heat Heater and a/c control valve solenoid (behind receiver/ dryer) Hot at all times Hot in run Hot in run or start Htr-a/c fuse 12 20a Hvac control module I/p fuse block Ign-e mini fuse h7 10a Interior lights system Max Med Norm Off Pnk Rear a/c blower motor Rear a/c resistor pack (above rear blower motor, in duct) Rear a/c switch Rear heat-a/c relay (in underhood fuse-relay center) Rear heater blower motor Rear heater resistor pack (top rear heater core assembly) Rear heater switch Red Rr heat/a/c maxi fuse m2 30a Tan Temperature control motor (lower right side of dash) Underhood fuse-relay center Underhood fuse/relay center Vehicle control module (left side of engine compt) Vent Heater Wiring Diagram for Chevrolet Astro 1996 List of elements for Heater Wiring Diagram for Chevrolet Astro 1996: 36 (not used) (right side of dash) A/c maxi fuse m3 30a B red Bi-lv Blend Blower motor resistor and relay pack (mounted on right front of dash housing, between evaporator C209 Convenience center Def Front blower motor G109 (right radiator support) G201 G201 (right side of dash) G409 (above rear heater) G901 (right front "a" pillar) Heat Heater and a/c control valve solenoid (behind receiver/ dryer) Hot at all times Hot in run Htr-a/c fuse 12 20a Hvac control module I/p fuse block Interior lights system Med Off Rear heat-a/c relay (in underhood fuse-relay center) Rear heater blower motor Rear heater resistor pack (top rear heater core assembly) Rear heater switch Red Rr heat/a/c maxi fuse m2 30a Tan Temperature control motor (lower right side of dash) Underhood fuse-relay center Vent
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Chevrolet Astro 1996 List of elements for Anti-lock Brake Wiring Diagrams for Chevrolet Astro 1996: 50 (left side of i/p) data link connector (rear of left cyl head) A13 Abs ind Abs lamp control Abs maxi fuse 4 60a B17 Brake diode d100 (underhood fuse-relay center) Brake fuse 18 10a Brake ind Brake pressure modulator valve (left front side of frame) Brake pressure warning switch Brake sw output Brake sw output-tcc Cruise control system Diagnostic signal Drl diode d200 Ebcm ground G114 Gauges fuse 4 10a Hot at all times Hot in run or start I/p fuse block Ign Instrument cluster Left front wheel speed sensor Lft frt sensor (+) Lft frt sensor (-) Nca Park brake warning switch Pnk Press diff sens sig Pump motor ground Pump motor power Red Right front wheel speed sensor Rt frt sensor (+) Rt frt sensor (-) Serial data signal Tan Tcc/ stoplamp switch (above brake pedal) Underhood fuse-relay center Vehicle control module (left side of engine compt) Vehicle speed sensor (rear of transmission) Vehicle speed sig Vss (+) Vss (-) Vss sig W/drl W/o drl
COMPUTER DATA LINES Computer Data Lines for Chevrolet Astro 1996 List of elements for Computer Data Lines for Chevrolet Astro 1996: 15 Aux pwr fuse 7 25a Brake pressure modulator valve (left front side of frame, left of transmission) Data clss 2 Data link connector (below left side of i/p) Dlc control G116 (left side of safety wall, near battery) G131 (thermostat housing) Hot at all times I/p fuse block Prog enable Remote keyless entry module (behind right side of i/p) Sensing and diagnostic module (under driver's seat, on floor) Tan Uart data Vehicle control module (left side of engine compt, near battery)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Astro 1996 List of elements for Cruise Control Wiring Diagram for Chevrolet Astro 1996: 27 (rear of transmission) 4000 pulses/mile Brake fuse 18 10a Cruise control module (center of dash) Cruise control switch Cruise fuse 6 10a Cruise on input Cruise status Disengage input G125 (on thermostat housing) Ground Hot at all times Hot in run I/p fuse block Ignition Off R/a Resume/accel input S/c Set/coast input Stop/haz fuse 1 20a Tcc/stoplamp brake switch (top of brake pedal) Vehicle control module (vcm) (left side of engine compt) Vehicle speed input Vehicle speed sensor (vss) Vss return Vss signal
DEFOGGERS Defogger Wiring Diagram for Chevrolet Astro 1996 List of elements for Defogger Wiring Diagram for Chevrolet Astro 1996: 17 (right front "a" pillar, above right door jamb switch) g901 (upper half of right "d" pillar) g998 C1 c Defogger on ind. Hot at all times Hot in run Htr-a/c fuse 12 20a Hvac control module I/p fuse block (behind left side of dash) Rear defogger switch Rear defogger timer relay Rear window defogger grid Rr-defog mini fuse 30a S229 S407 Timer Underhood fuse-relay center
ENGINE PERFORMANCE
4.3L 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Astro 1996 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for Chevrolet Astro 1996: 59 1-2 shift sol. ctrl 2-3 shift sol. ctrl 3-2 ctrl sol. ctrl A/c comp rly ctrl A/c enable relay Cam posit sens rtn Cam posit sens sig Camshaft position sensor (side of distributor) Coil Crank posit sens sig Crankshaft position sensor (behind right side of engine crankshaft pulley) Ect sens input Egr posit input Evap sol purge ctrl Evaporative emissions (evap) canister purge solenoid valve (top of engine, next to map sensor) G114 (left rear of engine block, next to knock sensor) G201 (right side of dash, above blower motor) Hall effect sensor Heated oxygen sensor no.1 (right front exhaust y-pipe closest to exhaust manifold) Heated oxygen sensor no.2 (left front exhaust y-pipe) Heated oxygen sensor no.3 (right front exhaust y-pipe closest to catalytic converter) Iat temp sens sig Idle air control valve motor (top of engine, left rear of throttle body) Idle air ctrl (iac) a hi Idle air ctrl (iac) b lo Inj no.1 ctrl Inj no.2 ctrl Inj no.3 ctrl Inj no.4 ctrl Inj no.5 ctrl Inj no.6 ctrl Knock sens sig Knock sensor (left rear of distributor on engine block) Left sens hi Left sens lo Map sens input Mass air flow sens Nca Pnk Pnk c Post-catalyst sens hi Post-catalyst sens lo Power Pre-catalyst sens hi Pre-catalyst sens lo Right sens hi Right sens lo Sensor ground Tan Tcc on/off sol. ctrl Tcc pwm sol ctrl Throttle posit sens Trans temp sens sig Underhood fuse-relay center (left front side of dash, near battery) Vehicle control module (vcm) (left side of engine compartment, side of battery) Vehicle spd sense sig Vehicle speed sensor (rear of transmission) Vss rtn Vss signal 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Astro 1996 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for Chevrolet Astro 1996: 25 1-2 shift sol. 2-3 shift sol. 3-2 control sol. Automatic transmission Ecm-1 mini fuse f7 20a Eng-1 mini fuse f7 20a Force motor Fuel inj. no.1 Fuel inj. no.2 Fuel inj. no.3 Fuel inj. no.4 Fuel inj. no.5 Fuel inj. no.6 Heated oxygen sensor no.4 (exhaust pipe, between catalytic converter & muffler) Hot in run or start Linear egr valve solenoid (top of engine, left of generator) Nca Pnk Pnk pnk pnk tan Red Tan Tcc on/off sol. Tcc pwm sol. Transmission fluid temperature (tft) sensor (internal) Under hood fuse-relay center 4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Astro 1996 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for Chevrolet Astro 1996: 42 (left rear of engine block, next to knock sensor) g114 (left side of frame rail, next to canister) g112 (right front of dash, above blower motor) g201 (right side of dash, above blower motor) g201 5v ref B14 B17 Ecm b f11 Engine coolant temperature (ect) sensor (on side of linear egr valve solenoid, top of engine) Fuel a pump prime connector Fuel pump & sender (inside fuel tank) Fuel pump relay G12 G125 (front of engine, near thermostat housing) Gauge input oil pressure Gauges fuse 4 10a Hot at all times Hot in off, run or start Hot in run or start I/p fuse block Input fuel gauge Input odometer speedometer & Instrument cluster Intake manifold air temp sensor (top of air intake duct) Map Map sensor (top of engine, near ignition coil) Mass air flow sensor (maf) (front of air intake duct) Mini fuse f11 20a Nca Oil pressure switch & sender (rear of engine, behind left side of distributor) Pnk Purge solenoid vacuum switch (top rear of engine, above right side valve cover) Red Ref lo Service engine soon indicator (mil) Tan Tan a Temp Throttle position (tp) sensor (top of engine, left side of throttle body) Trans fuse 20 10a Under-hood fuse-relay center Underhood fuse-relay center 4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Astro 1996 List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for Chevrolet Astro 1996: 62 12v battery fused 5v ref. voltage 5v return A/c high pressure cut-off switch (rear of a/c compressor) A/c request signal Brake pressure modulator valve (bpmv) (left front side of frame, left of transmission) Brake sw input Brake switch input C210 Check eng lp out Compass & temperature display module Convenience center (left side of i/p fuse block, by kick panel) Cruise control module (center front of dash, left of windshield wiper module) Cruise engaged Cruise engaged sig Cylinder no.1 Cylinder no.2 Cylinder no.3 Cylinder no.4 Cylinder no.5 Cylinder no.6 Data link connector (dlc) (lower left side of dash) Distributor (top rear of engine) Distributor ignition control module (top of engine, front of coil) Dlc ctrl Est output sig Fuel pump rly ctrl Fused output G125 (front of engine, near thermostat housing) Ground High voltage coil wire Hot in run I/p fuse block Ign input Ign timing sig. Ignition coil (top of engine, behind generator) Ignition feed M4 brake fuse 18 10a n3 Nca Overhead console Pnk Pnk a Power Press ctrl sol lo Press ctrl sol. hi Radio Red Serial data sig Service circuit-power Spark plugs Switch output Tach. sig. Tachometer test lead Tan Tcc/ stoplamp switch (open w/brake pedal depressed) (above brake pedal) Trans press sig-bit 1 Trans press sig-bit 2 Trans press sig-bit 3 Vehicle control module (vcm) (left side of engine compartment, side of battery) Vss input Vss sig Vss signal
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Chevrolet Astro 1996 List of elements for Backup Lamps Wiring Diagram for Chevrolet Astro 1996: 9 G998 (upper half of right "d" pillar) G999 (upper half of left "d" pillar) Hot in run, bulb test or start I/p fuse block Left backup lamp Park/neutral position & backup lamp switch (left side of trans.) Pnk Right backup lamp Turn b/u fuse 16 20a Exterior Lamps Wiring Diagram for Chevrolet Astro 1996 List of elements for Exterior Lamps Wiring Diagram for Chevrolet Astro 1996: 53 A10 All wire leads are taped and are to be spliced to trailer wiring harness or connector. Backup lamps circuit C214 Center high mounted stop lamp (chmsl) Convenience center (near left kick panel) Cruise control system G108 (left front radiator support) G116 (left side of dash, above battery) G125 (front of engine, near thermostat housing) G1o9 (right front radiator support) G998 (upper half of right "d" pillar) G999 (upper half of left "d" pillar) Haz sw Hazard Head Headlamp & panel dimmer switch Hot at all times Hot in run or start I/p fuse block Instru- ment cluster Interior lights system Left front park/ turn lamp Left front side marker lamp Left rear side marker lamp Left tail/ stop/ turn lamp Left turn ind. Left turn switch License lamp Nca Normal Off Park Park lps fuse 9 20a Pnk Red Right front park/ turn lamp Right front side marker lamp Right rear side marker lamp Right tail/ stop/ turn lamp Right turn ind. Right turn switch Sound systems Stop/ haz fuse 1 20a Tan Tcc/ stop lamp switch (top of brake pedal) Tn sw Turn- b/u fuse 16 20a Turn/ hazard switch Turn/hazard flasher module (convenience center: near left kick panel) Underhood fuse-relay center (left side front of dash, near battery) Upfit-bat maxi fuse p8 30a W/optional trailer tow package
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Chevrolet Astro 1996 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Chevrolet Astro 1996: 62 A/c compressor clutch A/c compressor clutch diode 1 Ambient air temperature sensor Audio alarm module B13 Brake/ transmission shift interlock solenoid C202 C207 C208 C209 Compass and temperature display module Convenience center Cruise control module Cruise control resistor Data link connector Daytime running lamps module Distributor ignition control module Driver seat adjuster switch Drl relay Front wiper motor and module Fuel level sender Fuel pump relay G114 (left rear of engine block) G116 (left side of dash, above battery) G125 (front of engine, near thermostat housing) G201 (right side of dash) Headlamp and panel dimmer switch Heated oxygen sensor 1 Heated oxygen sensor 2 Heated oxygen sensor 3 Heated oxygen sensor 4 Heater and a/c control valve solenoid I/p fuse block Ignition switch Instrument cluster Left front power window master switch Left hi/lo beam headlamp Left high beam headlamp Left power door lock switch Left vanity lamp Mass air flow sensor Nca Outside rearview mirror control switch Park/neutral position and backup lamp switch Passenger seat adjuster switch Purge solenoid vacuum switch Radio Rear a/c switch Rear heater switch Rear heater/ a/c relay Rear radio control module Right vanity lamp Starter enable relay Steering column ground Tan Turn/ hazard flasher module Underhood fuse-relay center Upfitter ignition relay Vehicle control module W/ composite headlamps W/ sealed beam headlamps W/o drl Ground Distribution Wiring Diagram (2 of 2) for Chevrolet Astro 1996 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Chevrolet Astro 1996: 78 (left front "a" pillar, above left door jamb switch) (left front of vehicle) (left rear of vehicle) (right front "a" pillar, above right door jamb switch) (right front radiator support) (right side of left frame rail) (upper half of left "d" pillar) (upper half of right "d" pillar) Ashtray lamp Battery Blower motor resistor and relay pack Brake pressure modulator valve Brake warning pressure switch Center dome/ reading lamp Center high mounted stop lamp Cigarette lighter Door lock control module Door lock relay Endgate lock switch Engine cover ground Front auxiliary power outlet 1 Front auxiliary power outlet 2 Front dome/ reading lamps Front end discriminating sensor Front window washer pump Fuel pump G108 (left front radiator support) G108 (left side radiator support) G109 G114 (left rear of engine) G120 (lower right side of engine block) G404 G900 G901 G998 G999 Hvac control module I/p compartment lamp Left backup lamp Left front park/turn lamp Left horn Left liftgate strut switch Left low beam headlamp Left rear side marker lamp Left tail/ stop/turn lamp License lamp Liftgate lock/ latch module Liftgate release switch Nca Rear auxiliary power outlet Rear door jamb switch Rear heater blower motor Rear liftgate release motor Rear window defogger grid Rear window washer pump Rear window wiper/ washer switch Remote keyless entry module Right backup lamp Right front park/ turn lamp Right front power window switch Right hi/lo beam headlamp Right high beam headlamp Right horn Right liftgate strut switch Right low beam headlamp Right power door lock switch Right rear side marker lamp Right tail/stop turn lamp Right window wiper/ washer module Safety belt retractor switch Sensing diagnostic module Sub- woofer amplifier Temperature control motor Vehicle speed sensor shield W/ cargo doors W/ composite lamps W/ dutch doors W/ sealed beam lamps
HEADLIGHTS Headlight Wiring Diagram, with DRL & with Composite Headlamps for Chevrolet Astro 1996 List of elements for Headlight Wiring Diagram, with DRL & with Composite Headlamps for Chevrolet Astro 1996: 45 (drl) diode d200 (i/p harness, near cluster) A17 Acc B17 Bulb check Bulb test C211 Daytime running lamps (drl) module (left side of dash, taped to main harness) Daytime running lamps (drl) relay (left of i/p fuse block, right side of convenience center) Drl fuse 15 10a Drl relay ctrl Drl/park brake indicator G108 (left front radiator support) G109 (right front radiator support) G116 (left side of front dash, near battery) Gauges fuse 4 10a Ground Head Head- lamp dimmer switch Headlamp & panel dimmer switch Hi beam indicator Hi bm feed Hi bm indicator Hot at all times Hot in run, bulb test or start I/p fuse block Ignition Ignition switch Instrument cluster Instrument cluster system Lamp feed Left composite headlamp Lighting maxi fuse 8 40a Lock Nca Off Park Park brake warning switch (left front kick panel) Pnk Red Right composite headlamp Run Start Tan Underhood fuse-relay center (left side of safety wall, near battery) Headlight Wiring Diagram, with DRL & with Sealed Beam Lamps for Chevrolet Astro 1996 List of elements for Headlight Wiring Diagram, with DRL & with Sealed Beam Lamps for Chevrolet Astro 1996: 44 (drl) diode d200 (i/p harness, near cluster) A17 Acc B17 Bulb check Bulb test C211 Daytime running lamps (drl) module (left side of dash, taped to main harness) Daytime running lamps (drl) relay (left of i/p fuse block, right side of convenience center) Drl fuse 15 10a Drl relay ctrl Drl/park brake indicator G109 (right front radiator support) G116 (left side of front dash, near battery) Gauges fuse 4 10a Ground Head Head- lamp dimmer switch Headlamp & panel dimmer switch Hi beam indicator Hi bm feed Hi bm indicator Hot at all times Hot in run, bulb test or start I/p fuse block Ignition Ignition switch Instrument cluster Instrument cluster system Lamp feed Left head- lamp Lighting maxi fuse 8 40a Lock Nca Off Park Park brake warning switch (left front kick panel) Pnk Red Right head- lamp Run Start Tan Underhood fuse-relay center (left side of safety wall, near battery) Headlight Wiring Diagram, without DRL & with Composite Headlamps for Chevrolet Astro 1996 List of elements for Headlight Wiring Diagram, without DRL & with Composite Headlamps for Chevrolet Astro 1996: 16 C 1995 vftc G109 (right front radiator support) G116 (left side of front dash, near battery) G116 left side of front dash, near battery) Head Headlamp & panel dimmer switch Headlamp dimmer switch Hi beam indicator Hot at all times Instrument cluster Left hi composite headlamp assembly Off Park Right hi composite headlamp assembly Tan Tan a Headlight Wiring Diagram, without DRL & with Sealed Beam Lamps for Chevrolet Astro 1996 List of elements for Headlight Wiring Diagram, without DRL & with Sealed Beam Lamps for Chevrolet Astro 1996: 15 C 1995 vftc G109 (right front radiator support) G116 (left side of front dash, near battery) Head Headlamp & panel dimmer switch Headlamp dimmer switch Hi beam indicator Hot at all times Instrument cluster Left hi headlamp assembly Off Park Right hi headlamp assembly Tan Tan c
HORN Horn Wiring Diagram for Chevrolet Astro 1996 List of elements for Horn Wiring Diagram for Chevrolet Astro 1996: 13 Convenience center (left of i/p fuse block, by left kick panel) G108 (left radiator support) Horn mini fuse 20a Horn relay Horn switch Hot at all times Left horn (center of radiator support) Nca Right horn (center of radiator support) Slip ring Turn signal cancel cam Turn/hazard switch Underhood fuse-relay center
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Chevrolet Astro 1996 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Astro 1996: 81 (6 bulbs) 10k A10 A11 A12 A13 A14 A15 A16 A17 Abs warning indicator Accy Air bag indicator Anti-lock brakes system B10 B11 B12 B13 B14 B15 B16 B17 Brake ind in Brake pressure modulator valve (to left of transmission) Brake pressure warning switch (on rear of brake pressure modulator valve assy.) Brake warning indicator Bulb test Charge indicator Check gages indicator Check gages lamp driver Diode d100 Diode d200 Drl/park brake indicator (w/ drl) Engine coolant temperature gage sender (left side of engine block) Exterior lights system Fuel gage Fuel pump & sender (in fuel tank) G114 (left rear of engine block) G125 (thermostat housing) Gauges fuse 4 10a Headlights system Headlights system (drl module) High beam indicator Hot in off, run or start Hot in run or start I/p fuse block (behind left side of i/p) Ignition switch Illumin- ation lamps Instrument cluster Interior lights system Left turn indicator Lock Mil ind Nca Off Oil pressure gage Oil pressure switch & sender (left rear of distributor) Park brake warning switch (left side of i/p) Park/neutral position & backup lamp switch (left center of transmission) Pnk Prnd321 & odometer circuitry Right turn indicator Run Seat belt indicator Service engine soon indicator Speedo Speedometer Start Starting/charging system Temperature gage Trans fuse 20 10a Twisted pair Underhood fuse-relay center (left rear of engine compt) Vehicle control module (left side of engine compt.) Vehicle speed sensor (rear of transmission) Voltmeter Vss W/ drl W/ drl only W/o drl Warning system
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Astro 1996 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Astro 1996: 38 (not used) C207 Cargo van Cargo van base Center dome lamp Center dome/ reading lamps Console option passenger & cargo vans Convenience center (left kick panel) Cover switch Ctsy fuse 3 20a Dome lamp Front dome lamp Front dome/ reading lamps G116 (above battery) G901 (above right front door jamb switch) Hi/low switch Hot at all times I/p compartment lamp I/p fuse block Left door courtesy lamp Left vanity lamp Map lights Nca Outside rearview mirror control switch Overhead console Passenger van Passenger van base Passenger van only Reading lamp Reading lamp switches Rear dome lamp Right door courtesy lamp Right step- well lamp Right vanity lamp W/ console W/ door courtesy lamps only W/ power mirror W/o power mirror Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Astro 1996 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Astro 1996: 38 Ash tray lamp C401 Dome lamp switch Domelamp defeat switch Door locks system Exterior lights system G114 (left rear of engine block, near knock sensor) G116 (above battery) G901 (above right front door jamb switch) G999 (upper half of left "d" pillar) Headlamp & panel dimmer switch Headlight & panel dimmer switch Hot at all times I/p fuse block Illuminated entry Left door jamb switch Left front power window master switch Left liftgate strut switch Left power door lock switch Nca Outside rear- view mirror control switch Park lamp switch Pk lps fuse 9 20a Rear door jamb switch Rear radio control module (behind left "b" pillar) Remote keyless entry module (right side of i/p, behind air duct) Right door jamb switch Right front power window switch Right power door lock switch Side door jamb switch Tan W/ cargo doors W/ keyless entry W/ liftgate W/ power mirrors W/ rear radio control only W/o keyless entry Warning system Instrument Illumination Wiring Diagram for Chevrolet Astro 1996 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Astro 1996: 34 Audio alarm module B12 B13 C208 C209 C210 Compass & temperature display module Convenience center (left kick panel) Display dim signal G114 (left rear of engine block) G116 (above battery) G125 (thermostat housing) G901 (above right front door jamb switch) Headlamp & panel dimmer switch Hot at all times Hot in park or head Hvac control module (center of dash) I/p fuse block Illum fuse 14 10a Instrument cluster Interior lamp dimmer Liftgate release switch Nca Overhead console Parade mode switch Park lps switch Pk lps fuse 9 20a Prndl indicator Radio Rear a/c switch Rear heater switch Rear window wiper/ washer switch Remote cassette tape player Tan
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Chevrolet Astro 1996 List of elements for Power Distribution Wiring Diagram (1 of 3) for Chevrolet Astro 1996: 81 A/c comp mini fuse k11 10a A/c enable relay A/c maxi fuse m3 30a A12 Abs maxi fuse m4 60a Audio alarm module Aux pwr fuse 7 25a Batt maxi fuse 7 50a Battery Blower motor resistor and relay pack Brake pressure modulator valve C202 C207 Center dome/ reading lamps Center dome/reading lamps Cig ltr fuse 13 20a Cigarette lighter Convenience center Ctsy fuse 3 20a Data link connector Daytime running lamps relay Door lock control module Door lock relay Driver seat adjuster switch Drl fuse 15 10a Ecm-b mini fuse f11 20a From underhood a fuse-relay center above Front auxiliary power outlets Front dome/ reading lamps Fuel pump relay Fusible link G901 (right "a" pillar) G999 (left "d" pillar) Generator Headlamp and panel dimmer Headlamp and panel dimmer switch Horn mini fuse h11 20a Horn relay Hvac control module I/p compartment lamp I/p fuse block Interior lights Interior lights system Left courtesy lamp Left door courtesy lamp Left power door lock switch Left vanity lamp Liftgate lock/latch module Lighting maxi fuse 8 40a Locks/ seats cb 30a Oil pressure switch and sender Outside rearview mirror switch Passenger seat adjuster switch Pk lps fuse 9 20a Radio Radio batt fuse 19 10a Rear auxiliary power outlet Rear defog mini fuse f9 30a Rear dome lamp Rear heat- a/c relay Red Remote keyless entry module Right courtesy lamp Right door courtesy lamp Right power door lock switch Right stepwell lamp Right vanity lamp Rr heat a/c maxi fuse m2 30a Starter solenoid Stop/haz fuse 1 20a Subwoofer amplifier Switch System Tcc/stoplamp switch To underhood fuse-relay center To underhood fuse-relay center below Turn/ hazard switch Underhood fuse- relay center Underhood fuse-relay center Upfitter battery power stud Vehicle control module Power Distribution Wiring Diagram (2 of 3) for Chevrolet Astro 1996 List of elements for Power Distribution Wiring Diagram (2 of 3) for Chevrolet Astro 1996: 70 (not used) Acc Air bag fuse 10 10a Audio alarm module B10 B17 Brake fuse 18 20a Brake pressure modulator valve C200 C214 Center Compass and temperature display module Convenience center Cruise control module Cruise control switch Cruise fuse 6 10a Daytime running lamps module Daytime running lamps relay E nca From underhood fuse-relay b From underhood fuse-relay center Front pulse wiper/ washer switch Front wiper motor and module G201 (right side of dash) Gauges fuse 4 10a Headlamp and panel dimmer switch Htr-a/c fuse 12 20a Hvac control module I/p fuse block Ign-a maxi fuse 6 40a Ign-b maxi fuse 5 40a Ignition switch Instrument cluster Left front power window master switch Lock Nca Off Park/neutral position and backup lamp switch Pnk Pnk c210 Radio Radio fuse 17 10a Rear heat- a/c module Rear radio control module Rear window wiper/washer switch Red Remote keyless entry module Right front power window master switch Rr wiper fuse 23 20a Run Sensing diagnostic module Start Starter enable relay Tcc/stoplamp switch Temperature control motor To trailer wiring harness To underhood fuse-relay center To upfitter ignition relay Trans fuse 20 10a Transmission Turn-b/u fuse 4 10a Turn/ hazard switch Underhood fuse-relay center Upfit-batt maxi fuse p8 30a Upfit-ign maxi fuse p7 30a Upfitter battery power stud Upfitter ignition power stud Upfitter ignition relay Vehicle control module Windows cb 30a Power Distribution Wiring Diagram (3 of 3) for Chevrolet Astro 1996 List of elements for Power Distribution Wiring Diagram (3 of 3) for Chevrolet Astro 1996: 23 A/c enable relay Camshaft position sensor Crankshaft position sensor Distributor ignition control module Ecm-1 mini fuse k7 20a Eng-1 mini fuse f7 20a Evaporative emission canister purge solenoid valve From d ignition switch Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 Fuel injector 6 Heated oxygen sensor 1 Heated oxygen sensor 2 Heated oxygen sensor 3 Ign-e mini fuse m7 10a Linear egr valve solenoid Mass air flow sensor Pnk Underhood fuse-relay center Vehicle control module
POWER DOOR LOCKS Door Lock Wiring Diagram for Chevrolet Astro 1996 List of elements for Door Lock Wiring Diagram for Chevrolet Astro 1996: 22 Battery Cig ltr fuse 13 20a Door lock control module (behind right kick panel) Door lock relay (behind right kick panel) Dr input G203 (right kick panel) Ground Hot at all times I/p fuse block Left front door lock motor Left power door lock switch Lock Locks seats circuit breaker 30a Rear door lock motor (w/ cargo doors only) Right front door lock motor Right power door lock switch Side door contact plate Side door jamb switch (on right "b" pillar) Side door lock motor Tan Tan a Unlock Keyless Entry Wiring Diagram, with Cargo Doors for Chevrolet Astro 1996 List of elements for Keyless Entry Wiring Diagram, with Cargo Doors for Chevrolet Astro 1996: 35 Battery Cig ltr fuse 13 20a Data link connector (left side of i/p) Door lock control module (behind right kick panel) Door lock relay (behind right kick panel) Dr input Dr unlock G203 (right kick panel) Gauges fuse 4 10a Ground Hot at all times Hot in run or start I/p fuse block Ign Illum entry Interior lights system Left front door lock motor Left power door lock switch Lock Lock sig Locks seats circuit breaker 30a Pnk Prog sig Rear door lock motor Remote keyless entry (rke) module (behind right side of i/p) Right front door lock motor Right power door lock switch Rr dr unlck Side door contact plate Side door jamb switch (on right "b" pillar) Side door lock motor Tan Tan a Unlock Unlock sig Keyless Entry Wiring Diagram, with Liftgate for Chevrolet Astro 1996 List of elements for Keyless Entry Wiring Diagram, with Liftgate for Chevrolet Astro 1996: 47 (right side of liftgate) Battery Cig ltr fuse 13 20a Data link connector (left side of i/p) Door lock control module (behind right kick panel) Door lock relay (behind right kick panel) Dr input Dr unlock Endgate lock switch G114 (left rear of engine) G203 (right kick panel) G998 (upper right "d" pillar) Gauges fuse 4 10a Ground Hot at all times Hot in run or start I/p fuse block Ign Illum entry Interior lights system Left front door lock motor Left power door lock switch Lgate enable Liftgate lock/ latch module (on right "d" pillar) Liftgate rel Liftgate release switch Lock Lock sig Locks seats circuit breaker 30a Logic input Park/ neutral position and backup lamp switch (closed in park/neutral) (left center of transmission) Pnk Prog sig Rear door lock motor Rear liftgate release motor Remote keyless entry (rke) module (behind right side of i/p) Right front door lock motor Right liftgate strut switch Right power door lock switch Side door contact plate Side door jamb switch (on right "b" pillar) Side door lock motor Tan Tan a Unlck ctrl Unlock Unlock sig
POWER MIRRORS Power Mirror Wiring Diagram for Chevrolet Astro 1996 List of elements for Power Mirror Wiring Diagram for Chevrolet Astro 1996: 20 (left door harn, 6.5 cm from outside mirror breakout) s501 (right door harn, 6.5 cm from outside mirror breakout) s604 Ctsy fuse 3 20a Down G116 (left side of saftey wall, above battery) Hot at all times I/p fuse block Illumination Interior lights system Left Left outside rearview mirror Left/ right motor Mirror select switch Nca Outside rearview mirror control switch Right Right outside rearview mirror S504 S505 Up/down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Astro 1996 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Astro 1996: 28 (left side of front dash) (near left 30a Back C 1995 vftc C202 Center Convenience Convenience center (near left kick panel) Down Driver forward/ rearward seat motor Driver front tilt seat motor Driver rear tilt seat motor Driver seat adjuster switch Entire seat For- ward Front height G116 Hot at all times I/p fuse block Kick panel) Locks seats circuit breaker Pass- enger rear tilt seat motor Passenger forward/ rearward seat motor Passenger front tilt seat motor Passenger seat adjuster switch Rear height Tan
POWER WINDOWS Power Window Wiring Diagram for Chevrolet Astro 1996 List of elements for Power Window Wiring Diagram for Chevrolet Astro 1996: 14 Auto down module G116 (left engine side of dash panel, above battery) G203 (right front "a" pillar) Hot in run I/p fuse block Interior lights system Left front switch Left front window motor Left power window master switch Right front switch Right front window motor Right front window switch Tan Windows circuit breaker 30a
RADIO Base Radio for Chevrolet Astro 1996 List of elements for Base Radio for Chevrolet Astro 1996: 47 (body harn, 17 cm from side door harn breakout, left side of "b" pillar) s312 (body harn, 23.5 cm from side door harn breakout, left side of "b" pillar) (left door harn, near power window switch) (right door harn, near power window switch) Antenna Coaxial cable Display dim sig G901 (right front "a" pillar above right door jamb switch) Grd Hot at all times Hot in acc or run I/p fuse block (behind left side of dash) Ignition voltage Interior lights system Left front door speaker Left front door tweeter Left rear door speaker Left rear speaker Lf (+) Lf (-) Lr (+) Lr (-) Nca Panel light Radio Radio batt fuse 19 10a Radio fuse 17 10a (1999) Rdo accy fuse 2 10a (2000) Rf (+) Rf (-) Right front door speaker Right front door tweeter Right rear door speaker Right rear speaker Rr (+) Rr (-) S229 (2000) S246 S260 (2000) S309 (left side of vehicle, 4 cm from side door harn breakout) S311 (body harn, 10.5 cm from side door harn breakout, left side of "b" pillar) S313 S502 S506 S602 S603 Tan Premium Sound Radio Wiring Diagram, with Rear Controls for Chevrolet Astro 1996 List of elements for Premium Sound Radio Wiring Diagram, with Rear Controls for Chevrolet Astro 1996: 91 (left side of vehicle, 11 cm from sub- woofer amplifier breakout) (left side of vehicle, 4 cm from rear radio control module breakout) (left side of vehicle, 4 cm from sub- woofer amplifier breakout) (right door harn, 4 cm from power door lock switch breakout) s603 6.5 cm from power door lock switch breakout) A10 A11 A12 Antenna Audio sig ret Aux pwr fuse 7 25a B10 B11 B12 Batt in Clr Coaxial cable Dimmer w Display dim sig E&c data Engine controls system Exterior lamps system G114 (left rear of engine block) G901 (right front "a" pillar, above right door jamb switch) G999 (upper half of left "d" pillar) Grd Ground Hot at all times Hot in acc or run I/p fuse block (behind left side of dash) Ign voltage Ignition voltage Interior lights system Left front door speaker Left front door tweeter speaker Left output Left rear speaker Left rear sub-woofer speaker Lf (+) Lf (-) Lr (+) Lr (-) Lr (+) Lr (-) Lr sw spkr (+) Lr sw spkr (-) Nca Panel light Pnk Power grd R14 in Radio Radio batt fuse 19 10a Radio fuse 17 10a (1999) Radio sig on Rdo accy fuse 2 10a (2000) Rear radio control module (left side of vehicle, behind "b" pillar) Rem rdo cntrl Remote cd player Rf (+) Rf (-) Right front door speaker Right front door tweeter speaker Right output Right rear speaker Right rear sub-woofer speaker Rr (+) Rr (-) Rr (+) Rr (-) Rr chnl in (+) Rr sw spkr (+) Rr sw spkr (-) S117 S229 (2000) S246 S260 (2000) S310 (body harn, 4 cm from from side door harn breakout) S314 S317 S318 S319 S322 S328 (2000) S502 (left door harn, 15 cm from power window motor breakout) S506 (left door harn, tan S602 (right door harn, 10.5 cm from power door lock switch breakout) Shield grd Sub-woofer amplifier (left center of vehicle, behind trim panel) Tan Vss output Premium Sound Radio Wiring Diagram, without Rear Controls for Chevrolet Astro 1996 List of elements for Premium Sound Radio Wiring Diagram, without Rear Controls for Chevrolet Astro 1996: 80 (body harn, 23.5 cm from side door harn breakout) (left side of vehicle, 4 cm from side door harn breakout) (right door harn, 4 cm from power door lock switch breakout) s603 6.5 cm from power door lock switch breakout) A10 A11 A12 Antenna Audio sig ret Aux pwr fuse 7 25a B10 B11 B12 Batt in Clr Coaxial cable Dimmer w Display dim sig E&c data Engine controls system G901 (right front "a" pillar, above right door jamb switch) G999 (upper half of left "d" pillar) Grd Ground Hot at all times Hot in acc or run I/p fuse block (behind left side of dash) Ignition voltage Interior lights system Left front door speaker Left front door tweeter speaker Left output Left rear speaker Left rear sub-woofer speaker Lf (+) Lf (-) Lr (+) Lr (-) Lr (+) Lr (-) Lr sw spkr (+) Lr sw spkr (-) Nca Panel light Power grd R14 in Radio Radio batt fuse 19 10a Radio fuse 17 10a (1999) Rdo accy fuse 2 10a (2000) Remote cd player Rf (+) Rf (-) Right front door speaker Right front door tweeter speaker Right output Right rear speaker Right rear sub-woofer speaker Rr (+) Rr (-) Rr (+) Rr (-) Rr sw spkr (+) Rr sw spkr (-) S229 (2000) S246 S260 (2000) S309 S311 (body harn, 10.5 cm from side door harn breakout) S312 (body harn, 17 cm from side door harn breakout) S313 S319 S322 S502 (left door harn, 15 cm from power window motor breakout) S506 (left door harn, tan S602 (right door harn, 10.5 cm from power door lock switch breakout) Shield grd Sub-woofer amplifier (left center of vehicle, behind trim panel) Tan Vss output
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Chevrolet Astro 1996 List of elements for Shift Interlock Wiring Diagram for Chevrolet Astro 1996: 9 Brake/transmission shift interlock solenoid (inside steering column) G104 (left side of dash, above battery) Hot in run or start I/p fuse panel Park/neutral position switch (left center of transmission) c2 Pnk Tcc/stoplamp switch (above brake pedal) Turn b/u fuse 16 20a Turn/ hazard switch
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Astro 1996 List of elements for Charging Wiring Diagram for Chevrolet Astro 1996: 20 (left radiator support) (lower right front side of engine) (not used) B16 B17 Battery Charge indicator G108 G120 Gauges fuse 4 10a Generator Hot in run or start I/p fuse block Instrument cluster Nca Ohms Pnk Power distribution system Red Starter solenoid Starting Wiring Diagram for Chevrolet Astro 1996 List of elements for Starting Wiring Diagram for Chevrolet Astro 1996: 26 (above blower motor) (left radiator support) (lower right front side of engine) Accy Battery G108 G120 G123 Generator Hold- in coil Ign-a maxi fuse 6 40a Ignition switch Lock Nca Nca d1 Off Park/neutral postion and backup lamp switch (left center of transmission) Pull- in coil Red Run Start Starter enable relay Starter motor Starter solenoid Underhood fuse-relay center Upfitter battery power stud
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Chevrolet Astro 1996 List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Astro 1996: 41 (center of steering wheel) (right i/p) A nca A16 Air bag fuse 10 10a Air bag lamp Audio alarm module B17 Bar Convenience center Data line Data link connector (left i/p) Door jamb switch) Driver Driver high Driver low Front end discriminating sensor (front of radiator) G900 (left front "a" pillar, above G999 (upper left "d" pillar) Gauges fuse 4 10a Hot in run or start I/p fuse block Ign 1 Inflator module Instrument cluster Lamp control Lf seat belt input Nca Pass high Pass low Passenger Pnk Safety belt retractor switch (in driver's belt buckle) Seat belt sig Sensing diagnostic module (under driver's seat) Shorting Shorting bar Sir coil assembly Sir fwd sens Sir ground Tan
TRANSMISSION
4.3L 4.3L (VIN W), Transmission Wiring Diagram for Chevrolet Astro 1996 List of elements for 4.3L (VIN W), Transmission Wiring Diagram for Chevrolet Astro 1996: 86 (1996) s107 (1997) s117 (1998) s117 (1998) s114 (1997) s110 (1996) s101 (eng harn, 17 cm from relay center breakout) -1996) (behind left side of dash) (eng harn, 10 cm from uh relay ctr breakout) s100 (1996) s113 (1997-98) (eng harn, 12 cm from linear egr sol break- out (1998) s111 (1998) s111 (1996-97) (eng harn, 12 cm from generator breakout (1996-97) (eng harn, approx 10 cm (1997) or 48 cm (1998) from break- out of 36-pin conn at left side of dash) (eng harn, approx 4 cm from uh fuse/relay center breakout -1997-98) (eng harn, approx 6 cm from linear egr sol breakout-1998) (eng harn, approx 6 cm from generatior breakout-1996-97) (on throttle body) (to left of 1-2 shift sol 1-2 shift sol ctrl 2-3 shift sol 2-3 shift sol ctrl 3-2 shift sol 3-2 sol ctrl 5v reference All times Anti-lock brakes system Automatic transmission Automatic transmission fluid pressure manual valve position switch Battery feed Brake Brake signal Center (eng compt near battery) Cruise control system Cruise engaged in Data link connector (below left side of dash) Ecm 1 fuse 20a Ecm b Ect signal Electronic brake control module Engine controls system Engine coolant temperature sensor Fuel injectors & ignition Fuel pump relay & oil pressure switch/ sender Fuse 18 10a Fuse 20 10a Fuse 20a G114 (left rear of engine) G116 (above battery) Generator) Hot at Hot in run Hot in run, bulb I/p fuse block Ignition feed Or start Pnk Press ctrl sol "hi" Press ctrl sol "lo" Pressure control solenoid Range signal "a" Range signal "b" Range signal "c" Red Run feed S102 (1996) (eng harn, 2 cm from lamp harn breakout) S105 (1996) s109 (1997) s109 (1998) S112 (1996) s116 (1997) s116 (1998) S112 (1997-98) S120 (1998) s120 (1997) s110 (1996) S209 (1996) s206 (1997-98) Sensor ground Serial data System gnd Tan Tcc pwm sol Tcc pwm sol ctrl Tcc sol Tcc sol ctrl Tcc/ stoplamp switch (on brake pedal bracket) Tcc/abs/ cruise switch Test or start Tft signal Throttle position sensor Tp signal Trans Transmission fluid temperature sensor Underhood fuse/relay Vehicle control module (left side of engine compt) Vehicle speed sensor (rear of transmission) Vss hi Vss lo Vss out Vss output
TRUNK, TAILGATE, FUEL DOOR Rear Glass Release Wiring Diagram for Chevrolet Astro 1996 List of elements for Rear Glass Release Wiring Diagram for Chevrolet Astro 1996: 24 (right rear door lock cylinder) 1996 vftc c End- gate lock switch G114 (left rear of engine block) G901 (right front "a" pillar) G998 (upper half of right "d" pillar) Hot at all times Hot with headlamp switch in park or head I/p fuse block Illum fuse 14 10a Liftgate lock/latch module (right rear of vehicle, near "d" pillar) Liftgate release switch Lock Locks seats circuit breaker 30a Logic Logic in Park/ neutral position and backup lamp switch (left center of trans.) Rear door lock motor Rear liftgate release motor Remote keyless entry (rke) module (right side of i/p) Remote unlock Right liftgate strut switch (open w/ gate closed) (right side of liftgate) Solid state device equivalence Unlock
WARNING SYSTEMS Warning System Wiring Diagrams for Chevrolet Astro 1996 List of elements for Warning System Wiring Diagrams for Chevrolet Astro 1996: 27 A12 Audio alarm module (in convenience center) Battery input Fasten belts out Fuse block G114 (left rear of engine block) G116 (left side of safety wall) G999 (upper left 'd' pillar) Gages fuse 4 10a Ground Hot at all times Hot in park or head Hot in run, bulb test or start Ign on input Illum fuse 14 10a Instrument cluster Key-in warning Key-in warning buzzer switch (in left side of steering column) Left door jamb switch Lights on input Nca Pnk Safety belt input Safety belt retractor switch (seat belt buckle assy) Seat belt indicator Stop/haz fuse 1 20a Tan
WIPER/WASHER Front Washer/Wiper Wiring Diagram for Chevrolet Astro 1996 List of elements for Front Washer/Wiper Wiring Diagram for Chevrolet Astro 1996: 25 (1998-99) s324 (left side of firewall, above battery) g116 (1998-99) g104 (1996-97) (left side front of dash, above battery) Front windshield washer pump (in washer reservoir) Front wiper/ washer switch G109 (right front radiator support) Hot in acc or run I/p fuse block (behind left side of dash) Inst wipe Inst wipe k Low Mist Mist off Nca Off Pnk Pulse S118 s134 (1997) (1996) S123 (1996) s100 (1997-99) S209 (1996) s206 (1997-99) Solid state Wash Washer switch Wiper fuse 11 25a Wiper motor and module (center front of dash) Wiper switch Rear Wiper/Washer Wiring Diagram for Chevrolet Astro 1996 List of elements for Rear Wiper/Washer Wiring Diagram for Chevrolet Astro 1996: 20 (1997-99) s407 1996-97 1998-99 99) Dly G109 (right front radiator support) G998 (upper right "d" pillar) Hot in acc or run I/p fuse block (behind left side of dash) Interior lights system Off Park switch Rear window washer pump (in washer reservoir) Rear window wiper motor (in center of liftgate) Rear window wiper/ washer switch Rear window wiper/washer module (left side of liftgate) Rr wiper fuse 23 20a S241 (1998-99) (i/p harn, near breakout to temp ctrl mtr) S404 (1996) Wash
