headlamp CHEVROLET EXPRESS 1997 1.G User Guide

Downloaded from www.Manualslib.com manuals search engine Run your engine only as long as you must. This
saves fuel. When
you run the engine, make it go a
little faster than just idle. That is, push the accelerator
slightly. This uses less fuel for the heat that
you get
and it keeps the battery (or batteries) charged.
You will
need a well-charged battery (or batteries) to restart the
vehicle, and possibly for signaling later
on with your
headlamps. Let
the heater run for awhile. If you have a
diesel engine you may have to run it at a higher speed
to get enough heat.
Then, shut the engine
off and close the window almost
all the way to preserve the heat. Start the engine again
and repeat this only when you feel really uncomfortable
from the cold. But do it
as little as possible. Preserve the
fuel as long as you can. To help keep warm, you can get
out
of the vehicle and do some fairly vigorous exercises
every half hour or
so until help comes.
Loading Your Vehicle
fii I
in
The CertificatiodTire label is found on the rear edge
of the driver’s door. The label shows the size of your
original tires and the inflation pressures needed
to obtain
the gross weight capacity of your vehicle. This is called
GVWR (Gross Vehicle Weight Rating). The
GVWR
includes the weight of the vehicle, all occupants, fuel
and cargo.

Downloaded from www.Manualslib.com manuals search engine Headlamps
You have either a sealed beam headlamp system or a
composite system.
Sealed Beam Headlamps
2. Unplug the lamp assembly from the connector.
3. Install a new headlamp.
4. Reverse Steps 1 through 3 to reinstall the headlamp.
1. Remove the four screws from the headlamp retainer.
Pull the retainer
out and set it aside.

Downloaded from www.Manualslib.com manuals search engine Composite Headlamps
1. Open the hood.
2. Locate the rear side of each of the headlamps.
4. On the passenger side, turn the bulb clockwise one
quarter turn. Also, to remove the bulb on the
passenger side,
you will need to move the battery.
3. Without removing the headlamp assembly itself,
remove the bulb assembly from the back
of the
headlamp
on the driver’s side by turning the bulb
counterclockwise
one quarter turn.
5. Install a new bulb. Do not handle the glass part of
the bulb.
6. Reverse Steps 3 through 4 to reinstall the headlamp.
6-34

Downloaded from www.Manualslib.com manuals search engine Using the wrong replacement wheels, wheel
bolts or wheel nuts on your vehicle can be
dangerous.
It could affect the braking and
handling
of your vehicle, make your tires lose
air and make you lose control. You could have a
collision in which you
or others could be injured.
Always use the correct wheel, wheel bolts and
wheel nuts
for replacement.
I NOTICE:
The wrong wheel can also cause problems with
bearing life, brake cooling, speedometer or
odometer calibration, headlamp aim, bumper
height, vehicle ground clearance and tire or tire
chain clearance to the body and chassis.
Whenever a wheel, wheel bolt or wheel nut is replaced
on a dual wheel setup, check the wheel nut torque after
100, 1,000 and 6,000 miles (I 60, 1 600 and 10 000 km)
of driving. For proper torque, see “Wheel Nut Torque”
in the Index.
See “Changing a Flat Tire” in the Index for
more information.
Used Replacement Wheels
Putting a used wheel on your vehicle is
dangerous. You can’t know how it’s been used or
how far it’s been driven. It could fail suddenly
and cause an accident.
If you have to replace a
wheel, use a new GM original equipment wheel.
6-48

Downloaded from www.Manualslib.com manuals search engine Electrical System
Add-on Electrical Equipment
I NOTICE:
Don’t add anything electrical to your vehicle
unless you check with your dealer first. Some
electrical equipment can damage your vehicle
and the damage wouldn’t be covered
by your
warranty. Some add-on electrical equipment
can keep other components from working as
they should.
Your vehicle has an air bag system. Before attempting to
add anything electrical to your vehicle, see “Servicing
Your Air Bag-Equipped Vehicle”
in the Index.
Headlamp Wiring
The headlamp wiring is protected by a circuit breaker in
the lamp switch. An electrical overload will cause the
lamps to flicker on and
off, or in some cases to remain
off. If this happens, have your headlamp wiring checked
right away.
Windshield Wiper Fuses
The windshield wiper motor is protected by a circuit
breaker and a fuse.
If the motor overheats due to heavy
snow, etc., the wiper will stop until the motor cools.
Although the circuit is protected from electrical
overload, overload due
to heavy snow, etc., may cause
wiper linkage damage. Always clear ice and heavy snow
from the the windshield before using the windshield
wipers.
If the overload is caused by some electrical
problem and
not snow, etc., be sure to get it fixed.

Downloaded from www.Manualslib.com manuals search engine Engine Compartment Fuse Relay Center
The fuse block is on the driver’s side of the engine
compartment at the rear.
,
[T)
Name
BLOWR
ABS
Circuits Protected
Blower Motor
Electronic Brake Control Module
Name
IGN-B
IGN-A
BATT
LIGHTING
RR BLOWER
ENG-
1
AIC
SPARE
AUX A
AUX-B
RH-HDLP
Circuits Protected
Ignition Switch
Starter Relay, Ignition Switch
Instrument Panel Fuse Block
Instrument Panel Fuse Block,
Headlamp Switch
Rear Auxiliary Blower
Motor Relays
Heated
02 Sensors, Mass Air
Flow Sensor, EGR Valve
Solenoid, Evap Canister Purge
Valve, Crankshaft Position Sensor,
Secondary Air Injection Relay
(Diesel), Water in Fuel Sensor
(Diesel), Fuel Heater (Diesel),
Glowplug
Relay (Diesel),
Wastegate Solenoid (Diesel)
Air Conditioning Clutch Relay
Spare Fuses
Upfitter Provisions
Upfitter Provisions
Right-hand Headlamp (Export Only)
6-63

Downloaded from www.Manualslib.com manuals search engine Name
RH-HIBM
ECM-I
HORN LH-HDLP
LH-HIBM
FUEL SOL
IGN-E
ECM-B
Circuits Protected
Right-hand High-beam Headlamp (Export Only)
Ignition Coil, Crankshaft Position
Sensor, VCM, Fuel Injectors,
Coil Driver
Horn Relay, Underhood Lamp(
s)
Left-hand Headlamp
(Export Only)
Left-hand High-beam Headlamp (Export Only)
PCM,
Fuel Solenoid Driver,
Engine Shutoff Solenoid
Air Conditioning Clutch Relay
Fuel Pump Relay, VCM, PCM,
Fuel Pump and Engine Oil
Pressure Switch
Capacities and Specifications
Replacement Parts
Replacement part numbers listed in this section are
based on the latest information available at the time
of
printing, and are subject to change. If a part listed in this
manual
is not the same as the part used in your vehicle
when
it was built, or if you have any questions, please
contact your
GM truck dealer.
These specifications are for information only. If you
have any questions, see the service manual for the
chassis
or refer to the body manufacturer’s publications.

Downloaded from www.Manualslib.com manuals search engine Lamp and Bulb Data
LAMP OR BULB
HEADLAMPS
2 Headlamp System (Sealed Beam System)
Low/High Beam
4 Headlamp System (Composite Headlamp System)
Low/High Beam
High Beam
LAMP OR BULB
EXTERIOR
Front Sidemarker Lamp
Front Park and Turn Lamp
Rear Parking Lamp
Rear Stop and Turn Lamp
Back-up Lamp
Back-up Lamp Rear
Park, Stop, and Turn Lamp
CHMSL
License Plate Lamp
Underhood Lamp
Reel Lamp
TRADE NO.
H6054
6052
9005
TRADE NO.
194
2357NA
3057
3057
3156
1156
1157 92
1
194
232
232
POWER RATING
AT 12.8V, WATTS
35/65
51
60
QTY.
2
4
2
2
2

Downloaded from www.Manualslib.com manuals search engine LAMP OR BULB
INTERIOR
Dome Lamps
Reading Lamps
IP Courtesy Lamp
Stepwell Lamp
Instrument Panel Compartment Lamp
Ashtray Lamp
Sunshade Vanity Mirror
LAMP OR BULB
INSTRUMENT PANEL
Daytime Running Lamps Indicator
Charging System Indicator Lamp
Instrument Cluster Illumination
Headlamp Beam Indicator
Turn Signal Indicator
Brake Warning Indicator
SIR (Air Bag) Safety Belt Warning
Check Gages Indicator
Malfunction Indicator
("Service Engine Soon”) Lamp
TRADE NO.
211-2
21 1-2
194
194
194 194 74
TRADE NO.
74 74
194 74 74
74
74 74
74
74
3
6
2
214
1
1
4
QTY.
1
1
6
1
2
1
1
1
1
1

Downloaded from www.Manualslib.com manuals search engine Halogen Bulbs ................................ 6-32
Hazard Warning Flashers
.......................... 5-2
Head Restraints
................................. 1-5
Bulb Replacement ............................ 6-33
High/Low Beam Changer ...................... 2-34
OnReminder
................................ 2-40
Hearing Impaired. Customer Assistance
.............. 8-4
Heating
........................................ 3-7
High-Beam Headlamps
.......................... 2-34
Highway Hypnosis
.............................. 4-22
Hill and Mountain Roads
......................... 4-22
Hitches. Trailer
................................. 4-33
Hood
Checking Things Under
......................... 6-7
Prop
........................................ 6-8
Release
...................................... 6-7
Horn
......................................... 2-32
Hydroplaning
.................................. 4- 18
Headlamps .................................... 2-39
Wiring
..................................... 6-59
Ignition Switch
................................ 2- 16
Inflation. Tire .................................. 6-42
Inside Daymight Rearview Mirror
................. 2-43
Inspections
.................................... 7-49
Brakesystem
................................ 7-50
Exhaust Systems
............................. 7-49
Radiator and Heater Hose
...................... 7-49
RearAxle
................................... 7-50
Ignition Transmission
Lock Check
................. 7-47 Steering
.................................... 7-49
Suspension
.................................. 7-49
Throttle Linkage
.............................. 7-49
Cleaning
.................................... 6-52
Cluster
..................................... 2-48
FuseBlock
.................................. 6-60
Interior Lamps
................................. 2-40
Brightness Control
............................ 2-38
.................................... J ack. . Tire 5-25
Jump Starting ................................... 5-3
Keyless Entry System
........................... 2-6
Keys
.......................................... 2-2
Labels 4-27
Certification
................................. 4-27
Certification/Tire
............................. 4-27
Service Parts Identification
..................... 6-58
Tire-Loading Information
...................... 4-27
Vehicle Identification Number
................... 6-58
Dome
...................................... 2-40
Interior
..................................... 2-40
OnReminder
................................ 2-40
Panel
....................................... 2-40
Underhood
.................................. 2-42
Lalnps
........................................ 2-38
Leaving
Your Vehicle with the Engine Running ....... 2-26
Lighter
....................................... 2-45