Diagram sections — 25 (39 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING EXTERIOR LIGHTS 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 1998 List of elements for A/C Wiring Diagram for Chevrolet Astro 1998: 62 (eng harn, 5 cm from underhood fuse-relay center breakout) (right side of dash) A/c clutch diode (in underhood fuse-relay center) A/c comp mini fuse 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 compressor) 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) C218 C219 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 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 30a S111 S111 (eng harn, 17 cm from underhood fuse-relay center breakout) S111 (eng harn, 5 cm from underhood fuse-relay center breakout) S124 (engine harn, 13 cm from oil pressure switch breakout) S224 (i/p harness, 17 cm from headlamp switch connector breakout) S229 (i/p harn, 4 cm from temperature control motor connector breakout) S238 (i/p harn, behind left side of dash) Tan Temperature control motor (behind right side of dash, left side of air duct) Underhood fuse-relay center Vehicle control module (left side of engine compt) Vent Compressor Wiring Diagram for Chevrolet Astro 1998 List of elements for Compressor Wiring Diagram for Chevrolet Astro 1998: 61 (behind center of dash) g202 (front center of dash) ambient light sunload sensor (hvac harness, below center of i/p) j271 (rear of engine compt) air quality sensor (right front corner of engine compt) g104 5-volt ref 5v ref A/c compressor solenoid valve (left front of engine) Air quality sens sig Air recirculation door motor (on hvac module, above blower motor) Air temp dr ctrl Air temperature door actuator (left side of hvac module) B+ blwr mtr fan rly x2 Batt + Blower motor (under right side of dash) Blower motor control module (on hvac module, left of blower motor) Blwr mtr spd ctrl Blwr mtr spd rly Computer data lines system Defogger system Ele varbl displment ctrl Ele varbl displment sply Evap core temp sens sig Fuse 10a Fuse 15a Fuse 30a Fuse 40a Fuse 5a G202 (behind center of dash) Gnd Gnd b+ x1 Hot at all times Hot in on or start Humidity sens sig Humidity temp sens sig Hvac control module (center of dash) Ign volt Inside air temp sens sig Instrument panel fuse block (behind left end of dash) Logic Low ref Low spd gmlan ser data Mode door actuator (left side of hvac module) Mode dr stepper mtr ctrl Network bus 9 Power distribution system Rear defog rly ctrl Recirculation dr ctrl Red Sens low ref Solar sens drv sig Solar sens pul sply volt Underhood fuse block (in engine compt, next to left strut tower) Upp lh air temp sens sig Upper air temp sens sig Windscreen temp sens sig Windshield temperature & inside moisture sensor (top center of windshield) X100 X110 X200 X210 Heater Wiring Diagram for Chevrolet Astro 1998 List of elements for Heater Wiring Diagram for Chevrolet Astro 1998: 79 (in body harness, attached to lower left "b" pillar) splice block jx347 (in chassis harness, 15 cm from coolant heater breakout) j119 (in rear hvac harness, 13 cm from auxiliary blower motor connector breakout) (in rear hvac harness, 20 cm from auxiliary blower motor connector breakout) 12v ref 5v ref A/c Air temperature actuator (behind right side of dash, on hvac) Auxiliary blower motor (if equipped) (on auxiliary hvac) Auxiliary blower motor high speed relay (if equipped) (left rear of passenger compt, attached to hvac module) Auxiliary blower motor low speed relay (if equipped) (left rear of passenger compt, attached to auxiliary hvac module) Auxiliary blower motor medium speed relay (if equipped) (left rear of passenger compt, attached to auxiliary hvac module) Auxiliary blower motor resistor assembly (if equipped) (on auxiliary heater motor) Auxiliary blower motor switch (if equipped) Bi-lev Blower motor (on right rear of engine compt, on evaporator case) Blower motor relay Blower motor resistor assembly (at right rear of engine compt, on evaporator case) Body control module (bcm) (behind lower right side of dash) Body fuse block (under left front seat) c8 Computer data lines system Coolant heater (6.6l w/ auxiliary fuel fired heater) (attached to the left front inner frame rail) Coolant heater air temperature sensor Coolant heater blower motor Coolant heater combustion sensor Coolant heater control module Coolant heater fuel pump (attached to left inner frame rail, near fuel pump assembly) Coolant heater glow plug Coolant heater overheat temperature sensor Coolant heater temperature sensor Def Electronic brake control module (ebcm) (on left frame rail, near center of vehicle) Floor Foh mdl (d) fuse 35 15a Frt blwr fuse 74 40a Fuel pump G102 (6.6l: left front lower side of the engine block) (4.8l, 5.3l & 6.0l: on left rear of engine) (4.3l: right rear of engine) G102 (left front lower side of engine block) G304 (behind right kick panel) G347 G400 (on inner left rear frame rail) G402 (on top of Gnd Hot at all times Hot w/ run relay k1 energized Hvac 1 fuse 14 20a Hvac 2 fuse 13 10a Hvac control assembly Interior Interior lights system J102 J249 J401 J402 J405 J412 J413 (in rear hvac harness, 24 cm from auxiliary blower motor breakout) Left "d" pillar) Lights system Logic Low ref Max a/c Med Mix-blend Off Rear blwr fuse 29 30a Red Ser data Serial + Serial - Tan Underhood fuse block (on left side of engine compt) Vacuum pump (6.6l) (right front of engine compt, under battery) Vent Volt W/ auxiliary fuel fired heater W/o auxiliary fuel fired heater X100 X101
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Chevrolet Astro 1998 List of elements for Anti-lock Brake Wiring Diagrams for Chevrolet Astro 1998: 48 (attached to left inner frame rail, near fuel pump assembly) coolant heater fuel pump (in rear hvac harness, 13 cm from auxiliary blower motor connector breakout) j405 (w/o rv upfitter: in body harness, 31 cm from x304 breakout) (w/ rv upfitter: in body harness, 32 cm from x308 breakout) 5v ref A/c low pressure switch (on side of accumulator) Auxiliary air temperature actuator Auxiliary blower motor (on auxiliary hvac) Auxiliary blower motor high speed relay (left rear of passenger compt, attached to hvac module) Auxiliary blower motor low speed relay (left rear of passenger compt, attached to auxiliary hvac module) Auxiliary blower motor medium speed relay (left rear of passenger compt, attached to auxiliary hvac module) Auxiliary blower motor resistor (on auxiliary heater motor) Auxiliary mode actuator Computer data lines system Coolant heater (6.6l w/ auxiliary fuel fired heater) (attached to the left front inner frame rail) Coolant heater air temperature sensor Coolant heater blower motor Coolant heater combustion sensor Coolant heater control module Coolant heater glow plug Coolant heater overheat temperature sensor Coolant heater temperature sensor Foh mdl (d) fuse 35 15a Fuel pump G400 (on inner left rear frame rail) G402 (on top of Gnd Hot at all times J308 (w/o rv upfitter: in body harness, 5 cm from x304 breakout) (w/ rv upfitter: in body harness, 22 cm from x308 breakout) J310 J311 (w/o rv upfitter: in body harness, 41 cm from x304 breakout) (w/ rv upfitter: in body harness, 22 cm from x308 breakout) J402 J411 J412 (in rear hvac harness, 20 cm from auxiliary blower motor connector breakout) J413 (in rear hvac harness, 24 cm from auxiliary blower motor breakout) Left "d" pillar) Logic Low ref Provisional Serial + Serial - Serial data Tan Underhood fuse block (on left side of engine compt) Volt Volt + X100 X205 X319
ANTI-THEFT Anti-theft Wiring Diagram for Chevrolet Astro 1998 List of elements for Anti-theft Wiring Diagram for Chevrolet Astro 1998: 38 (i/p harn, 6 cm from dlc breakout) (left rear of engine block) 12v 12v reg 5 volt ref B17 Capacitor (0.47 mf) Data link connector (dlc) (left side of dash) Electronic power steering system Engine controls system Evo sol feed Evo sol out G114 Gauges fuse 4 10a Grd Hot at all times Hot in run or start I/p fuse block Ign Instrument cluster Nca Passlock sensor (in steering column, near lock cylinder) Passlock sig Passlock signal Passlock/electronic variable orifice (evo) module (right side of dash, behind air duct) Pnk Resistor (10 ohms) S213 S233 Sec ind out Sec/strg fuse 21 10a Security indicator Sens ret Sensor grd Serial data Steering wheel position sensor (sensor ground) Vss Wheel pos sig
COMPUTER DATA LINES Computer Data Lines for Chevrolet Astro 1998 List of elements for Computer Data Lines for Chevrolet Astro 1998: 21 9600 uart Aux pwr fuse 7 25a Data clss 2 Data link connector (under left side of dash) Electronic brake control module (on left front side of frame, left of transmission) G116 (left side of firewall, above battery) G125 (front of engine) Hot at all times I/p fuse block Inflatable restraint sensing diagnostic module (under driver's seat) Passlock/ electronic variable orifice (evo) module (behind air duct, to right of instrument cluster) Prog enable Remote control door lock receiver (behind air duct, right of instrument cluster) S113 (engine harness, 10 cm from underhood fuse-relay center breakout) S206 S210 S217 S233 (dash harness, 6 cm from dlc breakout) Serial data Tan Vehicle control module (left side of engine compt)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Astro 1998 List of elements for Cruise Control Wiring Diagram for Chevrolet Astro 1998: 47 "b" pillar takeout) j310 (not used) (right rear door, 11 cm from the right rear door latch assembly) (right side of passenger compartment, 65 cm from right Ajar Azar sw sig B11 Computer data lines system Door lock relay Driver door latch assembly Driver window switch G301 (under driver seat) G401 (left side luggage compt) G403 (right side luggage compt) Gmlan serial data Instrument cluster J302 (right side passenger compartment, 35.0 cm from right b-pillar breakout) J303 (right side passenger compartment, 55.0 cm from right b-pillar breakout) J502 J601 J701 J702 (in liftgate trim panel, between left & right license plate lamp breakouts) J801 J802 Left rear door latch assembly Left rear window switch Lf dr azar sw Logic Lr dr azar sw sig Net work 4 Passenger door latch assembly Passenger window switch Rf dr azar sw x1 Right rear door latch assembly Right rear window switch Rr dr Security ind Status sw lck Tan Underhood fuse block (left rear engine compt) Work 3 net X500 X505 X600 X605 X700 X800
DEFOGGERS Defogger Wiring Diagram for Chevrolet Astro 1998 List of elements for Defogger Wiring Diagram for Chevrolet Astro 1998: 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
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Chevrolet Astro 1998 List of elements for Electronic Power Steering Wiring Diagram for Chevrolet Astro 1998: 37 (i/p harness, 4 cm from instrument cluster connector breakout, toward cluster connector) (i/p harness, 6.5 cm from data link connector breakout, toward data link connector) 12v regulated 1995 vftc c 5 volt ref Anti- theft system Anti-theft system Battery Dash fuse block (behind left side of dash) Data Data link connector (dlc) (under left side of dash) Electronic variable orifice (evo) solenoid (on back side of power steering pump) Evo feed Evo solenoid out Gauges fuse 4 10a Ground Hot at all times Hot in run or start Ignition Nca Passlock signal Passlock/electronic variable orifice (evo) module (behind air duct, right of instrument cluster) Pnk Rear of engine block) g114 S213 S218 S233 Sec/strg fuse 21 10a Security lp dr Sensor ground Steering wheel position sensor (on bottom of steering column, inside vehicle) Steering wheel position signal Sw posit signal Vehicle control module (vcm) (left side of engine compartment) Volt ref Vss sig out Vss signal input
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Astro 1998 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Astro 1998: 38 (above starter motor) g111 5 volt ref 5 volt ref 1 5 volt ref 2 App sens 1 sig App sens 2 sig Body control module (bcm) (left side of dash) Brake pedal position sensor (left side of dash) Computer data lines system Cruise ctrl ind sig Cruise ctrl sw sig Cruise ind Ecm ign fuse 10a Engine control module (ecm) (inside air cleaner assembly) Gnd Hot w/ ign main pcb relay energized Ign Ign 1 voltage Inflatable restraint steering wheel module coil (under steering wheel) Instrument panel cluster (ipc) Logic Low ref Nca Pnk Serial data Serial data + Serial data - Sply voltage Steering ctrl sig Stop lamp sw sig Tac motor ctrl 1 Tac motor ctrl 2 Tan Tp sensor 1 sig Tp sensor 2 sig Underhood fuse block (right side of engine compt) X111 X201 Exterior Lamps Wiring Diagram for Chevrolet Astro 1998 List of elements for Exterior Lamps Wiring Diagram for Chevrolet Astro 1998: 74 (body harn, right "d" pillar, 11 cm from right rear door breakout) s401 (body harness, inside bulkhead connector) s200 (dash harn, 1cm from a6 (dash harn, 2cm from a7 (dash harness, 3cm from cluster harness breakout) s217 (dash harness, 6cm from dlc breakout) s208 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) Chmsl resistor (on left kick panel) Convenience center (near left kick panel) Cruise control system G108 (left front radiator support) G116 (left side of firewall, 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 Headlamp switch breakout) s211 Headlamp switch breakout) s212 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 S101 (forward lamp harness, 4cm from right park/ turn lamp breakout) S102 (forward lamp harness, 4cm from left park/ turn lamp breakout) S103 (forward lamp harn, 4cm from right park/turn lamp breakout) S104 S204 S206 S221 S303 S319 S320 (body harness, left "d" pillar, 46cm from body ground breakout) S400 (body harness, rear top of vehicle, 13cm from chmsl breakout) S402 (body harness, right "d" pillar, 4cm from right rear door harn breakout) S403 Sound systems Stop/ haz fuse 1 20a Tan Tcc/stop lamp switch (on brake pedal bracket) Tn sw Turn- b/u fuse 16 20a Turn/ hazard switch Turn/hazard flasher module (on convenience center) Underhood fuse-relay center (on left side of firewall) Upfit-bat maxi fuse p8 30a
HEADLIGHTS Headlight Wiring Diagram, with Composite Headlamps for Chevrolet Astro 1998 List of elements for Headlight Wiring Diagram, with Composite Headlamps for Chevrolet Astro 1998: 55 5v ref 1 5v ref 2 A/c refrigerant pressure sensor (right rear of engine compt) A/c relay ctrl A/c sens sig Acc Acc vol Accelerator pedal position (app) sensor (left side of dash) Accessory volt Air conditioning system Air pump rly ctrl App sens 1 sig App sens 2 sig Battery volt Body control logic module (bcm) (under center console) Computer data lines system Cooling fans system Ctrl coil D12 Ecm fuse 13 10a Engine control module (ecm) (left front of engine compt) Etc fuse 2 15a Evap vent ctrl Evaporative emission (evap) canister vent solenoid valve (right rear of fuel tank) Exterior lights system Fan relay ctrl Fuel sens sig Fuel tank pressure (ftp) sensor (integral to fuel pump & sender assembly) Hot at all times Iat sens sig Ign 1 volt Ign lock ctrl Ignition switch Low ref Maf sens sig Mil ctrl Off Pnk Power distribution system Pwr/trn relay 33 Relay ctrl Run Sens sig Ser data bus+ Ser data bus- Start Starter enable relay ctrl Starting/charging system Tan Tan c Tan e To injectors fuse 44 (diagram 2 of 4) Underhood fuse block (left side of engine compt) X206 X413 Headlight Wiring Diagram, with Sealed Beam Headlamps for Chevrolet Astro 1998 List of elements for Headlight Wiring Diagram, with Sealed Beam Headlamps for Chevrolet Astro 1998: 43 (at air cleaner) mass air flow (maf)/ intake air temperature (iat) sensor (right "c" pillar) g301 (right rear of engine) g110 A10 A11 B11 Body control module (bcm) (under center console) C10 C11 Cluster/ theft fuse 10a Computer data lines system D11 E11 Ecm ign fuse 16 10a Emission 1 fuse 6 10a From pwr/trn relay 33 (diagram 1 of 4) Fuel level sensor Fuel pump Fuel pump & sender assembly (in fuel tank) G107 (lower left side of engine) G109 (left front corner of engine compt) Gmlan data Heated oxygen sensor (ho2s) 1 (upstream of catalytic converter) Heated oxygen sensor (ho2s) 2 (downstream of catalytic converter) Hot at all times Ign Ign mod fuse 43 15a Ignition coil 1 (above cylinder 1) Injectors fuse 44 10a Instrument panel cluster (ipc) Logic Malfunc- tion indicator Nca Plug spark Pnk Power distribution system Run/ crank relay Tan Underhood fuse block (left side of engine compt) X108 X130 X206 X413
HORN Horn Wiring Diagram for Chevrolet Astro 1998 List of elements for Horn Wiring Diagram for Chevrolet Astro 1998: 21 A12 Air pump fuse 52 10a Air pump relay 53 C12 F10 G106 (left rear of engine) Hot at all times Hot w/ pwr/trn relay energized J123 J124 Manifold absolute pressure (map) sensor (top left side of engine) Pnk Red Secondary air injection (air) pump Secondary air injection (air) pump diode Secondary air injection (air) pump relay Secondary air injection (air) pump solenoid Starting/ charging system Tan Underhood fuse block (left side of engine compt) X130
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Chevrolet Astro 1998 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Astro 1998: 55 5v ref 1 5v ref 2 A/c refrigerant pressure sensor (right rear of engine compt) A/c relay ctrl A/c sens sig Acc Acc vol Accelerator pedal position (app) sensor (left side of dash) Accessory volt Air conditioning system Air pump rly ctrl App sens 1 sig App sens 2 sig Battery volt Body control logic module (bcm) (under center console) Computer data lines system Cooling fans system Ctrl coil D12 Ecm fuse 13 10a Engine control module (ecm) (left front of engine compt) Etc fuse 2 15a Evap vent ctrl Evaporative emission (evap) canister vent solenoid valve (right rear of fuel tank) Exterior lights system Fan relay ctrl Fuel sens sig Fuel tank pressure (ftp) sensor (integral to fuel pump & sender assembly) Hot at all times Iat sens sig Ign 1 volt Ign lock ctrl Ignition switch Low ref Maf sens sig Mil ctrl Off Pnk Power distribution system Pwr/trn relay 33 Relay ctrl Run Sens sig Ser data bus+ Ser data bus- Start Starter enable relay ctrl Starting/charging system Tan Tan c Tan e To injectors fuse 44 (diagram 2 of 4) Underhood fuse block (left side of engine compt) X206 X413 Overhead Console Wiring Diagram for Chevrolet Astro 1998 List of elements for Overhead Console Wiring Diagram for Chevrolet Astro 1998: 43 (at air cleaner) mass air flow (maf)/ intake air temperature (iat) sensor (right "c" pillar) g301 (right rear of engine) g110 A10 A11 B11 Body control module (bcm) (under center console) C10 C11 Cluster/ theft fuse 10a Computer data lines system D11 E11 Ecm ign fuse 16 10a Emission 1 fuse 6 10a From pwr/trn relay 33 (diagram 1 of 4) Fuel level sensor Fuel pump Fuel pump & sender assembly (in fuel tank) G107 (lower left side of engine) G109 (left front corner of engine compt) Gmlan data Heated oxygen sensor (ho2s) 1 (upstream of catalytic converter) Heated oxygen sensor (ho2s) 2 (downstream of catalytic converter) Hot at all times Ign Ign mod fuse 43 15a Ignition coil 1 (above cylinder 1) Injectors fuse 44 10a Instrument panel cluster (ipc) Logic Malfunc- tion indicator Nca Plug spark Pnk Power distribution system Run/ crank relay Tan Underhood fuse block (left side of engine compt) X108 X130 X206 X413
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Astro 1998 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Chevrolet Astro 1998: 58 (5.3l) (cutaway: in chassis harness, 87 cm from ebcm connector breakout) (passenger/cargo: in chassis harness, 44 cm from ebcm connector breakout) (in engine harness, 16 cm from underhood fuse block x1 breakout) j123 (in exhaust pipe, in back of catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 2 (in exhaust pipe, in back of catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 2 (or 6049) (or pnk) 5.3l 5v ref 1 5v ref 2 A/c refrigerant pressure sensor Acc ser data Accelerator pedal position (app) sensor (under left side of dash) Actuator sig Anti-lock brakes system App sens 1 sig App sens 2 sig Batt pos volt Brk sw fuse 13 10a Computer data lines system Ecm batt fuse 19 10a Ecm ign/ glow plug mdl ign fuse 30 15a Engine control module (ecm) (left side of engine compt) Except 5.3l Fuel level sens Fuel pump & sender assembly (on fuel tank) Fuel tank pressure (ftp) sensor (on fuel tank) G103 (on right rear of engine) Gmlan data+ Gmlan data- Ho2s hi sig Ho2s lo sig Hot at all times Hot w/ run/ crnk relay 15 energized Iat sens sig Ign volt J101 J301 Low ref Maf sens sig Mass air flow (maf)/intake air temperature (iat) sensor (integral w/ mass airflow sensor) Nca Pnk Press sens sig Pwrtrn rly ctrl Relay ctrl Start rly ctrl Starting/charging system Stop lamp switch (behind left side of dash, above brake pedal) Tan Tcc brake sig Transmissions system Underhood fuse block (on left side of engine compt) Vss X100 X101 X128 X221 Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Astro 1998 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Chevrolet Astro 1998: 49 (on left rear of engine) g102 (on right rear of engine) g103 (or pnk) 4.8l/6.0l 5.3l Clutch rly ctrl Cnstr vent sol fuse 56 10a Computer data lines system Ecm pwr/trn fuse 78 10a Engine control module (ecm) (left side of engine compt) Evap sol ctrl Evaporative emission (evap) canister vent solenoid (near front of fuel tank) Even ign/ inj fuse 79 20a Fuel pump relay 38 (4.8l/6.0l) G400 (on inner left rear frame rail) Gas fuel pump fuse 24 30a Gnd Ho2s hi sig Ho2s lo ctrl Hot at all times Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Ic 5 ctrl Ic 6 ctrl Ic 7 ctrl Ic 8 ctrl Ign Instrument panel cluster (ipc) J101 J102 Logic Low engine oil pressure ind Low ref Maf/ cnstr vent fuse 64 15a Malfunction indicator lamp Mil ctrl O2 snsr 1 (pre)/cls fuse 77 10a O2 snsr 2 (post) fuse 62 10a Odd ign/inj fuse 65 20a Pnk Pwr/trn relay 49 Tos sig Transmissions system air conditioning system Underhood fuse block (on left side of engine compt) X100 X101 X127 Instrument Illumination Wiring Diagram for Chevrolet Astro 1998 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Astro 1998: 48 (i/p harn, 3.5 cm from headlamp sw conn breakout) s222 Audio alarm module B12 B13 C207 C207 a C218 C219 C219 a Compass and temperature display module Convenience center (left of dash fuse block, by left kick panel) Dis dim sig Dome lamp switch G116 (left side of firewall, near battery G116 (left side of firewall, near battery) G125 (front of engine, near thermostat housing) G901 (right front "a" pillar, above right door jamb switch) Gauges fuse 4 10a Headlamp and panel dimmer switch Home link Hot at all times Hot in run or start Hvac control module I/p fuse block Illum fuse 14 10a Instrument cluster Interior lamp dimmer Led Nca Overhead console Parade mode switch Park lamps switch Pk lps fuse 9 20a Pnk Prnd321 indicator Radio Rear a/c switch Rear heater switch Rear radio control module (on left side of vehicle, behind "b" pillar) Rear window wiper/ washer switch Remote cd/ cassette tape player S204 S206 S213 S219 S229 S315 W/ rear radio control only
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Chevrolet Astro 1998 List of elements for Power Distribution Wiring Diagram (1 of 3) for Chevrolet Astro 1998: 107 (4cm from mid dome lamp breakout) s308 (engine harness, 28cm from underhood fuse-relay center) s109 (i/p harness, 10.5cm from cluster breakout) s220 (i/p harness, 10cm from headlamp switch breakout) (i/p harness, 17 cm from cluster breakout) (i/p harness, lower half of steering column) s209 red (i/p harness, lower half red of steering column) (left door harness, 4 cm from power door lock switch connector breakout) (left door harness, 6 cm from outside rearview mirror breakout) (left kick panel) (power seat harness, 7 cm from left power seat breakout) (right door harness, 43cm from power door lock switch breakout) (vanity mirror harness, 7 cm from left vanity mirror breakout) s237 A/c comp mini fuse 10a A/c enable relay A/c maxi fuse 30a A12 Abs maxi fuse 60a Audio alarm module Aux pwr fuse 7 25a Batt maxi fuse 50a Battery Blower motor resistor and relay pack C207 C222 Center dome lamp Center dome lamp (cargo van) Center dome/ reading lamps Cig ltr fuse 13 20a Cigarette lighter Convenience center Ctsy fuse 3 20a Data link connector Daytime running lamp diode Door lock control module Door lock relay Driver seat adjuster switch Drl fuse 15 20a Ecm-b mini fuse 20a Electronic brake control module From abs maxi a fuse (diagram 1 of 3) 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 20a Horn relay Hvac/ heater control module I/p compt lamp I/p fuse block Illum fuse 14 10a Interior lamp control module Left courtesy lamp Left door courtesy lamp Left power door lock switch Left vanity lamp Liftgate lock/ unlock release switch Lighting maxi fuse 40a Oil pressure switch and sender Outside rearview mirror switch Passenger seat adjuster switch Passenger van Passlock/ evo module Pk lps fuse 9 20a Pwr accy cb 30a Radio Radio batt fuse 19 10a Rear auxiliary power outlet Rear dome lamp Rear heat- a/c relay Red Remote control door lock receiver Right courtesy lamp Right door courtesy lamp Right power door lock switch Right stepwell lamp Right vanity lamp Rr defog mini fuse 30a Rr heat a/c maxi fuse 30a S207 S223 S227 S319 S322 (left "b" pillar) S500 S600 Sec/strg fuse 21 10a Starter solenoid Stop/haz fuse 1 20a Subwoofer amplifier Switch Tcc/stoplamp switch To lighting maxifuse (diagram 1 0f 3) To s219 (diagram 3 of 3) To upfit batt maxi fuse (diagram 2 of 3) Turn/ hazard switch Underhood fuse- relay center Underhood fuse-relay center Upfitter battery power stud Vehicle control module W/ console W/o rke Power Distribution Wiring Diagram (2 of 3) for Chevrolet Astro 1998 List of elements for Power Distribution Wiring Diagram (2 of 3) for Chevrolet Astro 1998: 94 (i/p harn, 17cm from headlamp switch breakout) (i/p harness, 2 cm from temperature control motor breakout) s303 (i/p harness, 7.5cm from connector at lower steering column) (left kick panel) s324 (left kick panel, 7 cm from park brake switch breakout) s305 (not used) A13 Acc Air bag fuse 10 10a Audio alarm module Automatic transmission B10 B17 Brake fuse 18 10a C200 C206 C210 Center (diagram 1 of 3) Compass and temperature display module Convenience center Crank fuse 8 10a Cruise control module Cruise control switch Cruise fuse 6 10a Daytime running lamps module Daytime running lamps relay E nca Electronic brake control module From underhood fuse-relay b From upfit-ign maxi fuse (diagram 2 of 3) Front pulse wiper/ washer switch Front wiper motor and module Fuel/ sender gauge 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 relay (early 1998) Ign-a maxi fuse 6 40a Ign-b maxi fuse 5 40a Ignition switch Inflatable restraint sensing diagnostic module Instrument cluster Interior lamp control module Left "b" pillar) Left front power window master switch Lock Nca Off Overhead console Park/neutral position and backup lamp switch Passlock/ electronic variable orifice module Pnk Pnk (i/p harness, 4 cm from headlamp switch breakout) s213 Radio Radio fuse 17 10a Rear heat- a/c relay Rear radio control module Rear window wiper/washer switch Red Remote control door lock receiver Right front power window master switch Rr wiper fuse 23 20a Run S108 (engine harness, 22 cm from underhood fuse-relay center) S111 S114 S203 (lower half of steering column) S205 S224 S240 (upfitter harn, 45cm red from convenience center) S242 (bottom of pnk Start Starter enable relay Tcc/stoplamp switch Temperature control motor To ign-e mini fuse (diagram 3 of 3) To trailer wiring harness To upfitter accy relay (diagram 2 of 3) Trans fuse 20 10a Turn-b/u fuse 16 20a Turn/ hazard switch Underhood fuse-relay center Upfit-batt maxi fuse p8 30a Upfit-ign maxi fuse p7 30a Upfitter accy relay (late 1998) Upfitter battery power stud Upfitter connector Upfitter ignition power stud Vehicle control module Windows cb 30a Wiper fuse 11 25a Power Distribution Wiring Diagram (3 of 3) for Chevrolet Astro 1998 List of elements for Power Distribution Wiring Diagram (3 of 3) for Chevrolet Astro 1998: 46 (engine harness, 18 cm from breakout to mass airflow sensor) (engine harness, 6 cm from fuel injector harness breakout) s123 (engine harness, 6cm from knock sensor breakout) s126 (engine harness, 9 cm from a/c low pressure cutoff switch breakout) s119 (i/p harn, 4cm from instrument cluster breakout) A/c enable relay Audio alarm module Bank 1 heated oxygen sensor 1 Bank 1 heated oxygen sensor 3 Bank 2 heated oxygen sensor 1 C207 C218 C219 Camshaft position sensor Compass and temperature display module Convenience center Crankshaft position sensor Distributor ignition control module Ecm-1 mini fuse 20a Eng-1 mini fuse 20a Evaporative canister purge vent valve Evaporative emission canister purge solenoid valve From ignition d switch (diagram 2 of 3) From illum fuse (diagram 1 of 3) Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 Fuel injector 6 Hvac/ heater control module Ign-e mini fuse 10a Ignition coil Instrument cluster Mass air flow sensor Nca Overhead console Pnk Radio Rear a/c switch Rear heater switch Rear wiper/ washer switch S116 S219 Underhood fuse-relay center Vehicle control module
POWER DOOR LOCKS Door Lock Wiring Diagram for Chevrolet Astro 1998 List of elements for Door Lock Wiring Diagram for Chevrolet Astro 1998: 47 (i/p harness, 17cm from right dash harness retainer clip) s230 (liftgate harn, 49.5 cm from breakout to liftgate lock/unlock relay) s334 (w/ cargo doors only) Battery (b+) Cig ltr fuse 13 20a Convenience center (behind left side of dash) Door lock control module (right kick panel) Door lock relay (right kick panel) G901 (right front a- pillar above right door jamb switch) G999 (upper half of left "d" pillar) Ground Hot at all times I/p fuse block (left side of dash) Int lights Interior lights system Left door lock switch Left front door lock motor Liftgate lock/ unlock relay (right rear quarter panel) Liftgate lock/unlock release switch Lock Lock sig Pwr accy circuit breaker 30a Rear door lock motor Rear door lock motor (w/ liftgate) Rear liftgate release motor Release switch Right door lock switch Right front door lock motor S223 S227 S228 (i/p harness, 10cm from temperature control motor breakout) S229 S231 (i/p harness, 11cm from right dash harness retainer clip, toward cluster) S232 (i/p harness, 4cm from right dash harness retainer clip, toward cluster) S316 (body harness, left side of vehicle, 37cm from sub-woofer amp breakout) S335 (liftgate harn, 56 cm from breakout to liftgate lock/unlock relay) jc S407 S500 S600 Side door contactor (right "b" pillar) Side door jamb switch Side door lock motor Side door sw Tan Unlk Unlock Unlock sig Keyless Entry Wiring Diagram for Chevrolet Astro 1998 List of elements for Keyless Entry Wiring Diagram for Chevrolet Astro 1998: 68 (i/p harness, 10cm from temperature control motor breakout) (liftgate harn, 49.5 cm from breakout to liftgate lock/ unlock relay) (liftgate harn, 56 cm from breakout to liftgate lock/unlock (upper half of left "d" pillar) (w/ cargo doors only) Batt (b+) Batt or release Battery (b+) Cig ltr fuse 13 20a Convenience center (behind left side of dash) Data link connector (under left side of dash) Dome lamps Dome lmp off Door lock control module (right kick panel) Door lock relay (right kick panel) Driver dr unlk G901 (right front a- pillar, above right door jamb switch) G999 pnk Gauges fuse 4 10a Ground Hot at all times Hot in run or start I/p fuse block (left side of dash) Ignition Int lights Interior lights system Left door lock switch Left front door lock actuator Liftgate lock/ unlock relay (right rear quarter panel) Liftgate lock/unlock release switch Lock Lock out Lock sig Pass drs unlk Pnk Program sig Pwr accy circuit breaker 30a Rear door lock actuator Rear door lock motor (w/ liftgate) Rear liftgate release motor Release switch Remote control door lock receiver (behind right side of dash) Right door lock switch Right front door lock actuator Rr door unlk S213 S223 S227 S228 S229 S230 (i/p harness, 17cm from right dash harness retainer clip) S231 (i/p harness, 11cm from right dash harness retainer clip, toward cluster) S232 (i/p harness, 4cm from right dash harness retainer clip) S316 (body harness, left side of vehicle, 37cm from sub-woofer amp breakout) S334 S335 S407 S500 (left door harness, 6cm from rear view mirror breakout) S600 (right door harness, 4cm from power lock switch breakout) Side door contactor (right "b" pillar) Side door jamb switch Side door lock actuator Side door sw Tan Unlk Unlock Unlock in Unlock sig
POWER MIRRORS Power Mirror Wiring Diagram for Chevrolet Astro 1998 List of elements for Power Mirror Wiring Diagram for Chevrolet Astro 1998: 20 (left door harness, 6.5 cm from outside rearview mirror breakout) s501 (right door harness, 6.5 cm from outside rearview mirror breakout) s604 Ctsy fuse 3 20a Down G116 (left side of firewall, above battery) Hot at all times I/p fuse block Illumination lamps Interior lights system Left Left outside power mirror Left/ right motor Nca Outside rearview mirror control switch Right Right outside power mirror S504 S505 Selector switch Up/down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Astro 1998 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Astro 1998: 30 (left side of firewall, above battery) (near left Back C222 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) Pass- enger rear tilt seat motor Passenger forward/ rearward seat motor Passenger front tilt seat motor Passenger seat adjuster switch Pwr accy circuit breaker 30a Rear height S206 S227 S323 S332 Tan
POWER WINDOWS Power Window Wiring Diagram for Chevrolet Astro 1998 List of elements for Power Window Wiring Diagram for Chevrolet Astro 1998: 18 Auto down module G116 (left side of firewall, above battery) G901 (right front "a" pillar, above door jamb switch) Hot in run I/p fuse block (behind left side of dash) 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 S305 S504 S601 Solid state Tan Windows circuit breaker 30a
RADIO Base Radio for Chevrolet Astro 1998 List of elements for Base Radio for Chevrolet Astro 1998: 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 1998 List of elements for Premium Sound Radio Wiring Diagram, with Rear Controls for Chevrolet Astro 1998: 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 1998 List of elements for Premium Sound Radio Wiring Diagram, without Rear Controls for Chevrolet Astro 1998: 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 1998 List of elements for Shift Interlock Wiring Diagram for Chevrolet Astro 1998: 12 Automatic transmission shift control solenoid (inside steering column) C201 G116 (left side of firewall above battery) Hot in run & start I/p fuse block Nca Park/neutral position (pnp) switch (left center of transmission) c2 Pnk S206 Stop lamp switch (on brake pedal bracket) (closed w/ brake off) Turn b/u fuse 16 20a Turn signal/ multi function switch (top of steering column)
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Astro 1998 List of elements for Charging Wiring Diagram for Chevrolet Astro 1998: 22 (left radiator support) (lower right side of engine block) (not used) B16 B17 Bat Battery Charge warning indicator G108 G120 Gauges fuse 4 10a Generator Hot in run or start I/p fuse block Instrument cluster Ohms Pnk Power distribution system Red S f S213 Starter solenoid Starting Wiring Diagram for Chevrolet Astro 1998 List of elements for Starting Wiring Diagram for Chevrolet Astro 1998: 30 (left center of trans.) park/neutral position and backup lamp switch (left radiator support) (lower right side of engine block) (right side of dash) Accy Battery Bulb test Charging circuit Crank fuse 8 10a G108 G120 G201 Hold- in coil I/p fuse block Ign a fuse 40a Ignition switch Lock Nca Off Pull- in coil Red Remote battery stud Run S108 S111 Start Starter enable relay (in underhood fuse/relay center) Starter motor Starter solenoid Underhood fuse/relay center
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Chevrolet Astro 1998 List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Astro 1998: 39 Air bag fuse 10 10a Air bag indicator Audio alarm module B17 pnk Bar Convenience center Dash fuse block (behind left side of dash) Data line Data link connector (under left side of dash) Driver high Driver low G900 (left "a" pillar) G999 (upper left "d" pillar) Gauges fuse 4 10a Hot in run or start Ignition Indicator Inflatable restraint dash module (upper right dash) Inflatable restraint front end discriminating sensor (front of radiator) Inflatable restraint sensing diagnostic module (under driver's seat) Inflatable restraint steering wheel module (center of steering wheel) Inflatable restraint steering wheel module coil Instrument cluster Lf seat belt input Nca Pass high Pass low Pnk S213 (dash harn, near breakout to headlamp switch) S304 (left kick pnl, near breakout to parking brake switch) S309 (left side of vehicle, near breakout to side door harn) S319 (left rear "d" pillar, near g999) Safety belt retractor switch Seat belt sig Sensor feed Shorting Shorting bar Sir ground Tan
TRANSMISSION
4.3L 4.3L (VIN W), Transmission Wiring Diagram for Chevrolet Astro 1998 List of elements for 4.3L (VIN W), Transmission Wiring Diagram for Chevrolet Astro 1998: 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 1998 List of elements for Rear Glass Release Wiring Diagram for Chevrolet Astro 1998: 27 (i/p harn, 10 cm from temp control motor breakout) (i/p harn, 17 cm from right dash harn, retainer clip) Cig ltr fuse 13 20a Door lock relay (right kick panel) Door locks system G901 (right front "a" pillar, above right door jamb switch) G999 (upper half of left "d" pillar) Ground Hot at all times I/p fuse block (left side of dash) Liftgate lock/ unlock relay (right rear quarter panel) Liftgate lock/unlock release switch Lock Pwr accy circuit breaker 30a Rear door lock motor Rear liftgate release motor Release switch S223 S227 S228 S229 S230 S334 (liftgate harn, 49.5 cm from breakout to liftgate lock/ unlock relay) S335 (liftgate harn, 56 cm from breakout to liftgate lock/ unlock relay) S407 Tan Unlock
WARNING SYSTEMS Warning System Wiring Diagrams for Chevrolet Astro 1998 List of elements for Warning System Wiring Diagrams for Chevrolet Astro 1998: 35 A12 Audio alarm module (on cenvenience center, behind left side of dash) Battery input Fasten belts out G114 (left rear of engine block) G116 (left side of firewall, above battery) G125 (front of eng, near thermostat housing) G999 (upper half of left "d" pillar) Gages fuse 4 10a Ground Hot at all times Hot in park or head Hot in run, bulb test or start I/p fuse block 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 Pnk S117 S204 S206 S213 S219 S221 S304 (left kick panel, 1 cm from park brake sw breakout) S319 Safety belt input Safety/seat belt retractor switch (inside left seat belt assembly) Seat belt indicator Stop/haz fuse 1 20a Tan
WIPER/WASHER Front Washer/Wiper Wiring Diagram for Chevrolet Astro 1998 List of elements for Front Washer/Wiper Wiring Diagram for Chevrolet Astro 1998: 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 1998 List of elements for Rear Wiper/Washer Wiring Diagram for Chevrolet Astro 1998: 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
