All Wiring Diagrams for Chevrolet Astro 1998

AIR CONDITIONING

A/C Wiring Diagram for Chevrolet Astro 1998

List of elements for A/C Wiring Diagram for Chevrolet Astro 1998:

• (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:

• (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:

• (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:

• (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:

• (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:

• 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:

• "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:

• (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:

• (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:

• (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:

• (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:

• 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:

• (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:

• 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:

• 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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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:

• (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:

• 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:

• (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:

• (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:

• 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:

• (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:

• (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:

• 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:

• (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:

• (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