fuse CHEVROLET ASTRO CARGO VAN 2004 2.G User Guide

Fuse/Circuit
BreakerUsage
11 Not Used
12Blower Motor, Rear Air Conditioning
Relay Coil, Front Cont. Temp.
Door Motor, HI Blower Relay,
Defogger Timer Coil
13Cigarette Lighter, Door Lock
Switches, Dutch Door
Release Module
14Cluster 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
15Truck Body Module,
Headlamp Relay
16Front Turn Signals, Rear
Turn Signals, Trailer Turn
Signals, Back-Up Lamps,
Brake Transmission Shift
Interlock SolenoidFuse/Circuit
BreakerUsage
17 Front Wipers, Front Washer Pump
18VCM-Ign 3, VCM-Brake,
Cruise Stepper Motor Signal,
ATC Module
19Instrument Panel Radio: ATC
(Main Feed), 2000 Series (Standby)
20PRNDL/Odometer, Shift A and
Shift B Solenoids, 3–2 Downshift
Solenoid, Instrument Panel Cluster,
VCM Module
21 Powr Adjust Mirrors
22 Not Used
23 Rear Wiper, Rear Washer Pump
24 Not Used
A(Circuit Breaker) Power Door
Lock Relay, 6–Way Power Seats
B (Circuit Breaker) Power Windows
5-103

Underhood Fuse Block
The underhood fuse block is located toward the rear
of the engine compartment on the driver’s side of
the vehicle.
Lift the hood and open the cover to gain access to
this fuse block.
A fuse puller is included in the underhood fuse block.
You will also nd spare fuses.
Feed Usage
AUX B Uptter Battery Feed
AUX A Uptter Accessory Feed
5-104

Relays Usage
A/C Relay
(Rear Heat
and A/C)Rear/Heat and Air Conditioning
Uptter-ACCY
RelayUptter Accessory
Starter Enable
RelayStarter
A/C Enable
RelayAir Conditioning
Headlamps
RelayHeadlamps
Fuel Pump
RelayFuel PumpFuse/Circuit
BreakerUsage
UPFITTER-
BATTUptter Battery Power Stud,
Trailer Wiring Harness
UPFITTER-
ACCYUptter Accessory Relay
Spare Not used
Spare Not used
Spare Not used
ECM-1BFuel Pump Relay and Motor,
VCM, Oil Pressure Switch/Sender
HORN Horn Relay and Horn
A/C COMPAir 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
5-105

Fuse/Circuit
BreakerUsage
ENG-IOxygen Sensors, Camshaft Position
Sensor, Mass Air Flow Sensor,
Evaporative Emission Canister
Vent Solenoid
IGN-E Air Conditioning Enable Relay Coil
ECM-IFuel Injectors 1–6, Crankshaft
Position Sensot, VCM, Coil Driver
Module (EST), Ignition Coil
Blank Not Used
RH HDLMP Right Headlamp
LH Headlamp Left Headlamp
Blank Not Used
Blank Not Used
DIODE-1 Air Conditioning
Blank Not Used
Blank Not UsedFuse/Circuit
BreakerUsage
Blank Not Used
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 A Starter Relay, Ignition Switch
IGN B Ignition Switch
ABSElectronic Brake
Control Module
Blank Not Used
RAPRadio Accessory,
Power Windows
HTD MIR/RR
DEFOGRear Window Defogger,
Climate Control Head
5-106

E
Electrical System
Add-On Equipment.....................................5-100
Fuses and Circuit Breakers.........................5-101
Headlamp Wiring.......................................5-100
Power Windows and Other Power Options....5-100
Windshield Wiper Fuses.............................5-100
Emissions Inspection and Maintenance
Programs...................................................3-31
Engine
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-44
Check and Service Engine Soon Light............3-29
Coolant......................................................5-26
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-28
Cooling System Inspection............................6-26
Cover........................................................5-17
Drive Belt Routing......................................5-110
Engine Compartment Overview......................5-12
Exhaust.....................................................2-29
Fan Noise..................................................5-37
Oil .............................................................5-13
Overheating................................................5-29
Starting......................................................2-20
Engine Coolant Level Check.............................6-22Engine Oil Additives........................................5-16
Engine Oil Level Check...................................6-22
Entry Lighting.................................................3-14
Erasing HomeLink®Buttons..............................2-35
Event Data Recorders (EDR)............................7-10
Except Cargo Vans.................................1-38, 1-46
Exit Lighting...................................................3-14
Express-Down Window....................................2-16
Extender, Safety Belt.......................................1-34
Exterior Lamps...............................................3-12
F
Filter
Engine Air Cleaner......................................5-21
Finding a Station....................................3-37, 3-39
Finish Care....................................................5-95
Finish Damage...............................................5-97
Fixed Mast Antenna........................................3-47
Flash-to-Pass................................................... 3-7
Flat Tire........................................................5-77
Flat Tire, Changing.........................................5-78
Fluid
Automatic Transmission................................5-23
Power Steering...........................................5-38
Windshield Washer......................................5-39
5

FM ...............................................................3-47
Following Distance..........................................4-42
Footnotes................................................6-7, 6-16
Front Axle......................................................5-52
Fuel............................................................... 5-4
Additives...................................................... 5-6
California Fuel.............................................. 5-5
Filling a Portable Fuel Container..................... 5-9
Filling Your Tank........................................... 5-7
Fuels in Foreign Countries.............................. 5-6
Gage.........................................................3-34
Gasoline Octane........................................... 5-4
Gasoline Specications.................................. 5-5
Low Warning Light.......................................3-35
System Inspection.......................................6-26
Fuel Regulator................................................2-21
Fuses
Fuses and Circuit Breakers.........................5-101
Windshield Wiper.......................................5-100
G
Gage
Check Gages Warning Light..........................3-34
Engine Coolant Temperature.........................3-28
Fuel..........................................................3-34
Oil Pressure...............................................3-32Gage (cont.)
Speedometer..............................................3-24
Voltmeter Gage...........................................3-26
Garage Door Opener.......................................2-32
Gasoline
Octane........................................................ 5-4
Specications............................................... 5-5
Gate Operator and Canadian Programming........2-35
GM Mobility Program for Persons with
Disabilities.................................................... 7-6
H
Hatch Release................................................2-14
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-6
Headlamp High/Low-Beam Changer.................... 3-7
Headlamp Wiring...........................................5-100
Headlamps....................................................5-53
Bulb Replacement.......................................5-53
Front Turn Signal Lamps..............................5-57
Halogen Bulbs............................................5-53
Highway Hypnosis...........................................4-21
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-39
HomeLink
®Transmitter....................................2-32
HomeLink®Transmitter, Programming................2-33
6

Hood
Checking Things Under.................................. 5-9
Release.....................................................5-10
Horn............................................................... 3-5
How to Add Coolant to the Coolant
Recovery Tank............................................5-33
How to Add Coolant to the Radiator..................5-35
How to Add Fluid............................................5-25
How to Check Lubricant...................................5-51
How to Check Power Steering Fluid..................5-38
How to Inspect the Engine Air Cleaner/Filter.......5-22
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-18
Hydroplaning..................................................4-16
I
If No Steam Is Coming From Your Engine..........5-30
If Steam Is Coming From Your Engine...............5-29
If the Light Is Flashing.....................................3-30
If the Light Is On Steady.................................3-30
If You Are Caught in a Blizzard.........................4-26
If You Are Stuck in Sand, Mud, Ice or Snow.......4-28
If You Do Decide To Pull A Trailer.....................4-35
Ignition Positions.............................................2-18Ignition Transmission Lock Check......................6-25
Infants and Young Children, Restraints...............1-38
Ination - Tire Pressure...................................5-70
Inspection
Brake System.............................................6-27
Engine Cooling System................................6-26
Exhaust System..........................................6-26
Fuel System...............................................6-26
Part C - Periodic Maintenance.......................6-26
Steering, Suspension and Front Drive
Axle Boot and Seal..................................6-26
Throttle System...........................................6-27
Transfer Case and Front Axle
(All-Wheel Drive)......................................6-27
Installing a Garage Door Opener.......................2-39
Instrument Panel
Cluster.......................................................3-23
Overview..................................................... 3-2
Instrument Panel Brightness Control..................3-14
Instrument Panel Fuse Block..........................5-101
Interior Lamps................................................3-14
J
Jump Starting.................................................5-44
7

Transportation Options...................................... 7-8
Trip Odometer................................................3-24
Turn and Lane Change Signals.......................... 3-6
Turn Signal/Multifunction Lever........................... 3-6
Turn Signals When Towing a Trailer..................4-43
U
Underbody Flushing Service.............................6-25
Underhood Fuse Block...................................5-104
Understanding Radio Reception........................3-47
Uniform Tire Quality Grading............................5-74
United States – Customer Assistance.................. 7-4
Unlocking the Theft-Deterrent Feature
After a Power Loss......................................3-46
Used Replacement Wheels..............................5-76
Using Cleaner on Fabric..................................5-92
Using HomeLink
®...........................................2-35
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-29
Symbols......................................................... ivVehicle Data Collection and Event
Data Recorders...........................................7-10
Vehicle Identication
Number (VIN).............................................5-99
Service Parts Identication Label...................5-99
Vehicle Storage..............................................5-44
Ventilation Adjustment......................................3-19
Visor Vanity Mirror..........................................2-16
Visors...........................................................2-16
Voltmeter Gage..............................................3-26
W
Warning Lights, Gages and Indicators................3-22
Warnings
Hazard Warning Flashers............................... 3-4
Other Warning Devices.................................. 3-5
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washing Your Vehicle......................................5-95
Weatherstrip Lubrication...................................6-23
Weight of the Trailer........................................4-36
Weight of the Trailer Tongue.............................4-38
What Kind of Engine Oil to Use........................5-14
What to Do with Used Oil................................5-17
15

Wheels
Alignment and Tire Balance..........................5-75
Replacement...............................................5-75
When to Add Engine Oil..................................5-14
When to Change Engine Oil.............................5-16
When to Check and Change............................5-23
When to Check Lubricant.................................5-51
When to Check Power Steering Fluid................5-38
When to Inspect the Engine Air Cleaner/Filter.....5-21
When You Are Ready to Leave
After Parking on a Hill..................................4-44
Where to Put the Restraint...............................1-46
Why Safety Belts Work....................................1-14
Windows.......................................................2-15
Manual......................................................2-15
Power........................................................2-16Windshield Washer........................................... 3-8
Fluid..........................................................5-39
Windshield Washer Fluid Level Check................6-22
Windshield Wiper
Blade Replacement......................................5-59
Fuses......................................................5-100
Windshield Wipers............................................ 3-8
Winter Driving................................................4-24
Wiper Blade Check.........................................6-23
Y
Your Vehicle and the Environment....................... 6-2
16