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Chevrolet Astro (2003) – fuse box diagram


Chevrolet Astro (2003) – fuse box diagram

Year of production: 2003

Instrument Panel Fuse Block

The fuse block is located on the lower portion of the instrument panel on the driver’s side.

Chevrolet Astro - fuse box - instrument panel
Chevrolet Astro – fuse box – instrument panel
Fuses/Circuit BreakerUsage
1Stop/Tum/Hazard Lamps, Center High Mounted Stop Lamp, Anti-Lock Brakes
2Radio Accy, Rear Seal Audio Contro!s
3Courtesy Lamps. Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps, Courtesy Lamps
4Daytime Running lamps Relay, Instrument Panel Cluster
5Rear Defogger
6Cruise Module. Truek Body Control Module, Instrument Panel Cluster, Cruise Control Switch, Electrochromic Mirror
7Power Outlets, DLC, Subwoofer Amplifier
8Crank Circuit Fuse, Park/Neutral Switch, Starter Enabler Relay
9License Prate Lamp, Taillamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch illumination, Rear Seat, Audio illuminati0n, Truck Body Control Module
10Air Bag System
11
12L, M1, M2 Blower Motor, Rear Air Conditioning Relay Coli, Front Cont,  Temp Door Motor. HI Blower Relay,  Defogger Timer Coil
13Cigarette lighter , Door Lock Switches. Dutch Door Release Module
14Cluster Illum, Climate Controls, Chime Module, Radio illumination, Rear Heat Switch illumlnation, Rear Wiper/Washer Switch illumination, Rear Lifegate Switch illumination, Remote Cassette illumination, Overhead Console, Truck Body Control illumination
15Truck Body Module, Headlamp Relay
16Front Tum Signals, Rear Turn Signals, Trailer Turn Signals, Back-Up Lamps, Brake Transmission Shift interlock Solenoid
17Front Wipers, Front Washer Pump
18VCM-Ign 3, VCM-Brake, Cruise Step par Motor Sjgnal, A TC Module
19Instrument Panel Radio, ATC (Main Feed), 2000 Series (Standby)
20PRNDL/Odometer, TCC Enable and PWM Solenoid, Shift A and Shift B Solenoids, 3-2 Downshift Solenoid, instrument Panel Cluster, VCM Module
21Power  Adjust Mirrors
22
23Rear Wiper, Rear Washer Pump
24
A(Circuit Breaker) Power Door lock Relay, 6-Way Power Seats
B(Circuit Breaker) Power Windows

Underhood Fuse Block

The underhood fuse block is located toward the rear of the engine compartment on the driver’s side of the vehicle.

Chevrolet Astro - fuse box - under hood panel
Chevrolet Astro – fuse box – under hood panel
FeefUsage
AUX BUpfitter Battery Feed
AUX AUpfitter Accessory Feed

 

RelaysUsage
A/C Relay (Rear Heat and A/C)Rear/Heat and Air Conditioning
Upfitter ACCY RelayUpfitter Accessory
Starter Enable RelayStarter
A/C Enable RelayAir Conditioning
Headlamps RelayHeadlamps
Fuel Pump RelayFuel Pump
Fuse/Circuit BreakerUsage
UPFITTER-BATTUpfitter Battery Power Stud. Trailer Wiring Harness
UPFITTER-ACCYUpfitter Accessory Relay
Spare
Spare
Spare
ECM-1BFuel Pump Relay and Motor, VCM oil Pressure Switch/Sender
HORNHorn Relay and Horn
A/C COMPAir Conditioning Enable Relay and Compressor
RR HTR/ACRear Heater and Arr Conditioning
ATCActive Transfer Case-L Van
FAT HVACFront Healer and Air Conditioning
ENG-IOxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Vent Solenoid
IGN-EAir Conditioning Enable Relay Coil
Blank
RH HDLMPRight Headlamp
LH HeadlampLeft Headlamp
Blank
Blank
DIODE-1Air Conditioning
Blank
Blank
Blank
LIGHTINGCourtesy Fuse, Power Adjust Mirrors Fuse, Truck Body Control, Battery Fuse
BATTPower Accessory Circuit Breaker, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette lighter Fuse , Radio Battery Fuse
IGN AStarter Relay, Ignition Switch
IGN BIgnition Switch
ABSElectronic Brake Control Module
Blank
RAPRadio Accessory, Power Windows
HTD MIR/RR DEFOGHear Window Defogger, Climate Control Head

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.