Chevrolet Astro (2005) Fuse Box Diagram

avatar Jonathan Yarden
Year of production: 2004

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

Fuses/Circuit Breaker Usage
1 Stop/Turn/Hazard Lamps, Center High-Mounted Stop Lamp, Anti-Lock Brakes
2 Radio Accessory, Rear Seat Audio Controls
3 Courtesy Lamps, Glove Box Lamp, Dome Reading Lamps, Vanity Mirror Lamps, Courtesy Lamps
4 DRL Relay, Instrument Panel Cluster
5 Rear Defogger
6 Cruise Module, Truck Body Control Module, Instrument Panel Cluster, Cruise Control Switch, Electrochromic Mirror
7 Power Outlets, DLC, Subwoofer Amplifier
8 Crank Circuit Fuse, Park/Neutral Switch, Starter Enabler Relay
9 License Plate Lamp, Tailamps, Parking Lamps, Ashtray Lamp, Panel Lights, Trailer Taillamps, Front and Rear Sidemarker Lamps, Door Switch Illumination, Headlamp Switch Illumination, Rear Seat Audio Illumination, Truck Body Control Module
10 Air Bag System
11
12 Blower Motor, Rear Air Conditioning Relay Coil, Front Cont. Temp. Door Motor, HI Blower Relay, Defogger Timer Coil
13 Cigarette Lighter, Door Lock Switches, Dutch Door Release Module
14 Cluster Illumination, Climate Controls, Chime Module, Radio Illumination, Rear Heat Switch Illumination, Rear Wiper/Washer Switch Illumination, Rear Liftgate Switch Illumination, Remote Cassette Illumination, Overhead Console, Truck Body Control Illumination
15 TBC Module, Headlamp Relay
16 Front Turn Signals, Rear Turn Signals, Trailer Turn Signals, Back-Up Lamps, Brake Transmission Shift Interlock Solenoid
17 Front Wipers, Front Washer Pump
18 VCM-Ign 3, VCM-Brake, Cruise Stepper Motor Signal, ATC Module
19 Instrument Panel Radio: ATC (Main Feed), 2000 Series (Standby)
20 PRNDL/Odometer, Shift A and Shift B Solenoids, 3–2 Downshift
Solenoid, Instrument Panel Cluster, VCM Module
21 Power Adjust Mirrors
22
23 Rear 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

Feed Usage
AUX B Upfitter Battery Feed
AUX A Upfitter Accessory Feed
Relays Usage
A/C Relay (Rear Heat and A/C) Rear Heat and Air Conditioning
Upfitter ACCY Relay Upfitter Accessory
Starter Enable Relay Starter
A/C Enable Relay Air Conditioning
Headlamps Relay Headlamps
Fuel Pump Relay Fuel Pump
Fuse/Circuit Breaker Usage
UPFITTER-BATT Upfitter Battery Power Stud. Trailer Wiring Harness
UPFITTER-ACCY Upfitter Accessory Relay
Spare
Spare
Spare
ECM-1B Fuel Pump Relay and Motor, VCM, Oil Pressure Switch/Sender
HORN Horn Relay and Horn
A/C COMP Air Conditioning Enable Relay and Compressor
RR HTR/AC Rear Heater and Air Conditioning
ATC Active Transfer Case-L Van
FRT HVAC Front Heater and Air Conditioning
ENG-I Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative Emission Canister Vent Solenoid
IGN-E Air Conditioning Enable Relay Coil
ECM-I Fuel Injectors 1–6, Crankshaft Position Sensot, VCM, Coil Driver Module (EST), Ignition Coil
BLANK
RH HDLMP Right Headlamp
LH HEADLAMP Left Headlamp
Blank
Blank
DIODE-1 Air Conditioning
Blank
Blank
Blank
LIGHTING Courtesy Fuse, Power Adjust Mirrors Fuse, Truck Body Control Battery Fuse
BATT Power Accessory Circuit Breaker, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio Battery Fuse
IGN A Starter Relay, Ignition Switch
IGN B Ignition Switch
ABS Electronic Brake Control Module
Blank
RAP Radio Accessory, Power Windows
HTD MIR/RR DEFOG Rear Window Defogger,Climate
Control Head

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

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