2003 CHEVROLET ASTRO fog light

The main components of your instrument panel are the following:
A. B.
C. D. E.
F.
G.
H.
I.
I.
Exterior Lamp Control
Instrument Panel Brightness Thumbwheel
Multifunction Lever
Hazard Warning Flasher Button
Transmission Shift Lever
Ignition Switch
Rear Defogger Button (Option)
Climate Controls
Rear A/C Control (Option)
Rear Heater Control (Option) Y.
L.
M.
N.
0.
P.
Q.
R.
S.
Rear WasherNViper Switch (Option)
Front Ashtray
Dome Override Button
Hood Release
Cigarette Lighter
Audio System Front Storage Compartment
Cupholders/Storage Tray
Accessory Power Outlets
3-3

FuseKircuit Usage
Breaker
1
2
Stop/Turn/Hazard Lamps,
Center High Mounted Stop Lamp,
Anti-Lock Brakes
Radio Accy, Rear Seat
Audio Controls
FuseKircuit
Breaker
3
4
5
6
8
9
Usage
Courtesy Lamps, Glove Box Lamp,
Dome Reading Lamps, Vanity Mirror
Lamps, Courtesy Lamps
Daytime Running Lamps Relay,
Instrument Panel Cluster
Rear Defogger
Cruise Module, Truck Body Control Module, Instrument Panel Cluster,
Cruise Control Switch,
Electrochromic Mirror
Power Outlets, DLC,
Subwoofer Amplifier
Crank Circuit Fuse, ParWNeutral
Switch, Starter Enabler Relay
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
5-94

13
14
15
16
Fuse/Circuit Usage Breaker
10 Air Bag System
11 Not Used
12 L, MI, M2 Blower Motor, Rear Air
Conditioning Relay Coil, Front Cont.
Temp. Door Motor, HI Blower Relay.
Defogger Timer Coil
Cigarette Lighter, Door Lock
Switches, Dutch Door Release Module
Cluster Illum, Climate Controls,
Chime Module, Radio Illumination,
Rear Heat Switch Illumination, Rear
Wipermasher Switch Illumination,
Rear Liftgate Switch Illumination,
Remote Cassette Illumination,
Overhead Console, Truck Body
Control Illurnination
Truck Body Module, Headlamp Relay
Front Turn Signals, Rear Turn
Signals, Trailer Turn Signals,
Back-up Lamps, Brake Transmission
Shift Interlock Solenoid 21
22
23
24
A
19
20
FuseKircuit
Usage
Breaker
17 Front Wipers, Front Washer Pump
18 VCM-lgn
3, VCM-Brake, Cruise
Stepper Motor Signal, ATC Module
Instrument Panel Radio: ATC
(Main Feed),
2000 Series (Standby)
PRNDUOdometer, TCC Enable and
PWM Solenoid, Shift A and Shift B
Solenoids, 3-2 Downshift Solenoid, Instrument Panel Cluster, VCM
Module
Powr Adjust Mirrors
Not Used
Rear Wiper, Rear Washer Pump
Not Used
(Circuit Breaker) Power Door Lock
Relay, 6-Way Power Seats
(Circuit Breaker) Power Windows
B
5-95

Fuse/Circuit Usage
Breaker
DIODE-I Air Conditioning
Blank Not Used
Blank
Not Used
Blank Not Used
LIGHTING Courtesy Fuse, Power Adjust
Mirrors Fuse, Truck Body Control
Battery Fuse
Power Accessory Circuit Breaker,
Stop/Hazard Fuse, Auxiliary Power
Fuse, Cigarette Lighter Fuse, Radio
Battery Fuse
BATT
Fuse/Circuit
Breaker
IGN A
IGN
B
ABS
Blank RAP
HTD MIRI
RR DEFOG
Usage
Starter Relay, Ignition Switch
Ignition Switch
Electronic Brake Control Module
Not Used Radio Accessory, Power Windows
Rear Window Defogger,
Climate Control Head
5-98

Daytime Running Lamps (DRL) ...................... 3-14
Defensive Driving
............................................. 4-2
Defogging and Defrosting
................................. 3-1 9
Directing the Airflow
........................................ 3-20
Disabling the Theft-Deterrent Feature
................. 3-49
Doing Your Own Service Work
........................... 5-3
Dome Lamps
.......................................... ~ ~~~ 3-16
Door Front Doors
............................................... 2-8
Locks
.......................................................... 2-7
Power Door Locks
......................................... 2-8
Programmable Automatic Door Locks
............... 2-9
Rear Doors
................................................. 2-13
Sliding Side Door
........................................ 2-10
Position, Safety Belt
..................................... 1-1 8
Driver Information System
................................ 2-42
At Night
..................................................... 4-14
City
........................................................... 4-19
Defensive
..................................................... 4-2
Drunken
....................................................... 4-3
Freeway
..................................................... 4-20
Hill and Mountain Roads
.............................. 4-22
In Rain and on Wet Roads ........................... 4-16
Winter
........................................................ 4-24
Driving On Grades
.......................................... 4-39
Driving on Snow or Ice
.................................... 4-24
Driver
Driving Driving
Through Deep Standing Water
............... 4-18
Driving Through Flowing Water
......................... 4-18
Driving with a Trailer
....................................... 4-37
E
Electrical System
Add-on Equipment
...................................... 5-92
Headlamp Wiring
......................................... 5-92
Fuses and
Circuit Breakers
........................... 5-93
Power Windows and Other Power Options
......... 5-92
Windshield Wiper Fuses
............................... 5-92
Emissions Inspection and
Engine Maintenance Programs
................................. 3-33
Air Cleaner/Filter
......................................... 5-24
Battery
....................................................... 5-46
Check and Service Engine Soon Light
............ 3-30
Coolant
...................................................... 5-28
Coolant Heater
............................................ 2-22
Coolant Temperature Gage
........................... 3-30
Cooling System Inspection
............................ 6-30
Cover
........................................................ 5-20
Engine Compartment Overview
...................... 5-14
Exhaust
..................................................... 2-30
Fan Noise
.................................................. 5-39
Oil
............................................................. 5-15
Starting
...................................................... 2-21
Overheating
................................................ 5-31
4