2004 CHEVROLET CLASSIC ignition

4. To prevent your battery from draining while the
vehicle is being towed, remove the following
fuses from the driver’s side instrument panel fuse
block: A) Wiper, G) Powertrain Control Module
and J) Body Function Control Module. See
“Instrument Panel Fuse Block (Driver’s Side)” in
Fuses and Circuit Breakers on page 5-90for
location of these fuses.
5. Turn the ignition switch to ACCESSORY.
6. Shift your transaxle to NEUTRAL (N).
7. Release the parking brake.
Remember to install the fuses once you reach your
destination. To reinstall a fuse:
1. Set the parking brake.
2. Remove the key from the ignition switch.
3. Reinstall the fuse.
Notice:If you exceed 65 mph (110 km/h) while
towing your vehicle, it could be damaged. Never
exceed 65 mph (110 km/h) while towing your vehicle.Notice:Towing your vehicle from the rear could
damage it. Also, repairs would not be covered by
the warranty. Never have your vehicle towed
from the rear.
4-31

Notice:If you leave your radio or other accessories
on during the jump starting procedure, they could
be damaged. The repairs would not be covered
by your warranty. Always turn off your radio and
other accessories when jump starting your vehicle.
3. Turn off the ignition on both vehicles. Unplug
unnecessary accessories plugged into the cigarette
lighter or in the accessory power outlet. Turn off
the radio and all lamps that aren’t needed. This will
avoid sparks and help save both batteries. And it
could save your radio!
4. Open the hoods and locate the batteries. Find the
positive (+) and negative (−) terminal locations on
each vehicle. SeeEngine Compartment Overview
on page 5-12.
{CAUTION:
An electric fan can start up even when the
engine is not running and can injure you. Keep
hands, clothing and tools away from any
underhood electric fan.
{CAUTION:
Using a match near a battery can cause battery
gas to explode. People have been hurt doing
this, and some have been blinded. Use a
ashlight if you need more light.
Be sure the battery has enough water. You do
not need to add water to the ACDelco
®battery
installed in your new vehicle. But if a battery
has ller caps, be sure the right amount of
uid is there. If it is low, add water to take care
of that rst. If you do not, explosive gas could
be present.
Battery uid contains acid that can burn you.
Do not get it on you. If you accidentally get it
in your eyes or on your skin, ush the place
with water and get medical help immediately.
5-40

Engine Compartment Fuse Block
The engine compartment fuse block is located on the
driver’s side of the vehicle, near the engine air
cleaner/filter. SeeEngine Compartment Overview on
page 5-12for more information on location.
Fuses Usage
1 Ignition Switch
2Right Electrical Center-Fog Lamps
(If Equipped), Radio, Body Function
Control Module, Interior Lamps
3Left Electrical Center-Stoplamps,
Hazard Lamps, Body Function
Control Module, Cluster, Climate
Control System
4 Anti-Lock Brakes
5 Ignition Switch
6 Not Used
7Left Electrical Center-Power Seats,
Power Mirrors, Door Locks, Trunk
Release and Remote Lock Control
8 Cooling Fan #1
Relays Usage
9 Rear Defogger
10 Not Used
11 Not Used
12 Cooling Fan #1
13 HVAC Blower (Climate Control)
14 Cooling Fan #2
15 Cooling Fan
16 Air Conditioning Compressor
5-93

Relays Usage
17 Not Used
18 Fuel Pump
19 Automatic Headlamp System
20 Automatic Headlamp System
21 Horn
22 Daytime Running Lamps (DRL)
Fuses Usage
23–32 Spare Fuse Holder
33 Rear Defogger
34Accessory Power Outlets, Cigar
Lighter
35 Not Used
36 Not Used
37Air Conditioning Compressor, Body
Function Control Module
38 Automatic Transaxle
39Powertrain Control Module (PCM),
Ignition
40 Anti-Lock Brakes (ABS)
Fuses Usage
41 Ignition System
42Back-Up Lamps, Shift Lock Control
System
43 Horn
44 PCM
45 Parking Lamps
46 Climate Control System
47Canister Purge Valve, PCM,
Exhaust Gas Recirculation, Heated
Oxygen Sensor
48 Fuel Pump Injectors
49 Not Used
50 Right Headlamp
51 Left Headlamp
52 Cooling Fan
53 HVAC Blower (Climate Control)
54 Not Used
55 Not Used
56 Fuse Puller
57 Not Used
5-94

Ignition Transaxle Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to OFF in each shift lever position.
The key should turn to OFF only when the shift lever is
in PARK (P).
On all vehicles, the key should come out only in OFF.
Parking Brake and Automatic
Transaxle Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
•To check the parking brake’s holding ability: With
the engine running and transaxle in NEUTRAL
(N), slowly remove foot pressure from the regular
brake pedal. Do this until the vehicle is held by the
parking brake only.
•To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-19

G
Gage
Engine Coolant Temperature.........................3-29
Fuel..........................................................3-35
Speedometer..............................................3-24
Tachometer.................................................3-25
Garment Hooks..............................................2-31
Gasoline
Octane........................................................ 5-4
Specifications............................................... 5-5
Glove Box.....................................................2-31
GM Mobility Program for Persons with
Disabilities.................................................... 7-5
H
Hazard Warning Flashers................................... 3-4
Head Restraints............................................... 1-6
Headlamp High/Low-Beam Changer.................... 3-7
Headlamp Wiring............................................5-89
Headlamps......................................3-7, 3-13, 5-45
Bulb Replacement.......................................5-45
Front Turn Signal Lamps..............................5-47
Halogen Bulbs............................................5-45
Headlamps Off in Park (P)...............................3-14
Headlamps On Reminder................................... 3-8Highway Hypnosis...........................................4-21
Hill and Mountain Roads..................................4-22
Hitches..........................................................4-41
Hood
Release.....................................................5-10
Horn............................................................... 3-5
How to Add Coolant to the Coolant Surge Tank......5-27
How to Check................................................5-60
How to Check Power Steering Fluid..................5-32
How to Inspect the Engine Air Cleaner/Filter.......5-18
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-13
Hydroplaning..................................................4-17
I
If No Steam Is Coming From Your Engine..........5-24
If Steam Is Coming From Your Engine...............5-23
If the Light Is Flashing.....................................3-31
If the Light Is On Steady.................................3-31
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.....................4-39
Ignition Positions.............................................2-17
Ignition Transaxle Lock Check..........................6-19
Infants and Young Children, Restraints...............1-35
Inflation - Tire Pressure...................................5-59
6