POWER DISTRIBUTION – Chevrolet Astro 2003 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Chevrolet Astro 2003

List of elements for Power Distribution Wiring Diagram (1 of 3) for Chevrolet Astro 2003:

• (eng harn, 3 cm from fuse block-underhood breakout)
• (i/p harness, 10 cm from bcm connectors breakout)
• (i/p harness, 13cm from fuse block-i/p) s209 red
• (i/p harness, 17 cm from instrument cluster conn breakout)
• (i/p harness, 28 cm from i/p fuse block)
• (i/p harness, in left side front of dash) s210
• (left door harness, 17 cm from power window switch breakout)
• (not used)
• (right door harness, 6 cm from power door lock switch breakout)
• A/c comp fuse 10a
• A/c enable relay
• A12
• Abs fuse 60a
• Atc fuse 20a
• Audio amplifier
• Aux pwr fuse 7 25a
• Auxiliary power outlet-rear
• Auxiliary power outlets-front 1&2
• Auxiliary rear a/c relay
• Batt fuse 50a
• Battery
• Blower motor resistor assembly
• Body control module (bcm)
• Cig ltr fuse 13 20a
• Cigar lighter
• Convenience center
• Ctsy fuse 3 20a
• Data link connector (dlc)
• Door lock relay
• Door lock switch- driver
• Door lock switch- front passenger
• Ecm-b fuse 20a
• Electronic brake control module (ebcm)
• Evaporative emission (evap) canister vent solenoid
• From abs fuse a (diagram 1 of 3)
• Frt hvac fuse 30a
• Fuel pump relay
• Fuse block-
• Fuse block- i/p
• Fuse block- underhood
• Fusible link
• G200 (right side of dash)
• G400 (upper half of left "d" pillar)
• Generator
• Headlamp & panel dimmer switch
• Headlamp dimmer switch
• Headlamps relay
• Horn fuse 20a
• Horn relay
• Htd mir/ rr defog fuse 40a
• Hvac control assembly
• I/p fuse block
• Inadvertent power relay
• Instrument panel cluster
• Liftgate lock/ unlock release switch
• Lighting fuse 40a
• Multi- function turn signal lever
• Nca
• Outside rearview mirror switch
• Park lamp relay
• Passenger van
• Pk lps fuse 9 20a
• Powertrain control module (pcm)
• Pwr accy cb 25a
• Radio
• Radio batt fuse 19 10a
• Rap fuse 40a
• Red
• Relay block 1
• Remote control door lock receiver (rcdlr)
• Rr htr/ac fuse 30a
• S121
• S133
• S221
• S227
• S319
• S322 (left "b" pillar, 4 cm from break- out toward top of vehicle)
• S327
• S500
• S600
• Seat adjuster switch- driver
• Starter solenoid
• Stop lamp switch
• Stop/haz fuse 1 20a
• Tbc fuse 15 10a
• To illum fuse 14 (diagram 3 of 3)
• To lighting fuse (diagram 1 0f 3)
• To rap relay (diagram 3 of 3)
• To upfitter-batt fuse (diagram 2 of 3)
• Transfer case shift control module
• Underhood
• Underhood fuse block

Power Distribution Wiring Diagram (2 of 3) for Chevrolet Astro 2003

List of elements for Power Distribution Wiring Diagram (2 of 3) for Chevrolet Astro 2003:

• (engine harn, 18 cm from maf sensor breakout)
• (engine harness, 11 cm from fuse block-underhood breakout)
• (i/p harn, 17 cm from bcm connectors breakout)
• (i/p harn, 20 cm from fuse block- i/p)
• (i/p harness, 28 cm from i/p fuse block) s303
• (i/p harness, 38 cm from convenience center) s324
• (i/p harness, 41 cm from headlamp switch connector) s213
• (i/p harness, 7 cm from conn. at lower left of steering column)
• (not used)
• A13
• Acc
• Air bag fuse 10 10a
• Air temperature actuator
• Automatic transmission
• Auxiliary rear a/c relay
• B10
• Body control module (bcm)
• Body control module (ebcm)
• Bottom of left "b" pillar)
• Brake fuse 18 10a
• C201
• Convenience center
• Crank fuse 8 10a
• Cruise control module (ccm)
• Cruise control on/off switch
• Cruise fuse 6 10a
• E10
• Electronic brake control module (ebcm)
• From lighting c
• From upfitter-accy fuse (diagram 2 of 3)
• Fuse (diagram 1 of 3)
• Fuse block- i/p
• Fuse block- underhood
• G104 (behind center of dash)
• Gauges fuse 4 10a
• Heater & a/c control module
• Htr-a/c fuse 12 20a
• Ign-a fuse 40a
• Ign-b fuse 40a
• Ignition switch
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel cluster (ipc)
• Lock
• Multi- function turn signal lever
• Multifunction turn signal lever
• Nca
• Off
• Park/ neutral position (pnp) switch
• Park/neutral position & (pnp) switch
• Pnk
• Power- train control module (pcm)
• Rear window wiper/ washer switch
• Red
• Relay block 2
• Rr wiper fuse 23 20a
• Run
• S108
• S111
• S115
• S201
• S203 (i/p harness, toward right side of dash)
• S205
• S224
• S240 (upfitter harn, 30 red cm from convenience center)
• S242 (in upfitter harn, near pnk
• Start
• Starter enable relay
• Stop lamp switch
• To ign-e fuse (diagram 3 of 3)
• To rap relay (diagram 3 of 3)
• To trailer wiring harness
• To upfitter accy relay (diagram 2 of 3)
• Trans fuse 20 10a
• Transfer case shift control module
• Turn-b/u fuse 16 20a
• Upfitter accy relay
• Upfitter connector
• Upfitter- accy fuse 30a
• Upfitter- batt fuse 30a
• Windshield wiper motor & module
• Wiper fuse 17 25a

Power Distribution Wiring Diagram (3 of 3) for Chevrolet Astro 2003

List of elements for Power Distribution Wiring Diagram (3 of 3) for Chevrolet Astro 2003:

• (engine harness, 16 cm from breakout to mass airflow sensor)
• (engine harness, 7 cm from fuel injector harness breakout) s123
• (engine harness, 9 cm from a/c low-pressure cut-off switch breakout) s119
• (i/p harn, 11 cm from convenience center) s305
• (i/p harn, 15 cm from convenience center) s246
• (i/p harn, 4 cm from instrument cluster breakout connector)
• (i/p harness, 14 relay blocks breakout) s253
• A/c comp relay
• Blower motor switch- a/c auxiliary
• Blower motor switch- heater auxiliary
• Body control module (bcm)
• C10
• Central sequential fuel injector
• Convenience center
• Crankshaft position sensor
• Driver information center (dic)
• Ecm-i fuse 20a
• Eng-i fuse 20a
• Evaporative emission (evap) canister purge solenoid
• From headlamp & panel dimmer d switch (diagram 1 of 3)
• From ignition f switch (diagram 2 of 3)
• From rap fuse (diagram 1 of 3)
• From splice s203 (diagram 2 of 3)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuse block- i/p
• Fuse block- underhood
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 1 sensor 2
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Hvac control assembly
• Ign-e fuse 10a
• Ignition coil
• Ignition control module
• Illum fuse 14 10a
• Instrument panel cluster (ipc)
• Mass airflow (maf) sensor
• Nca
• Pnk
• Powertrain control module (pcm)
• Radio
• Radio/ accy fuse 2 10a
• Rap relay
• Rear seat audio (rsa) controller
• Rear window wiper/ washer switch
• Red
• Relay block 2
• S116
• S219
• S252 (i/p harn, 20 cm from relay red blocks breakout)
• Underhood fuse block
• W/ uk6 only
• Window master switch- driver
• Window switch- front passenger
• Windows circuit breaker 25a