2018 CHEVROLET CITY EXPRESS wiring

Chevrolet City Express Owner Manual (GMNA-Localizing-U.S./Canada-
11683523) - 2018 - CRC - 7/10/17
Seats and Restraints 61
Warning (Continued)
between any occupant and
the steering wheel or
instrument panel. Such
objects may become
dangerous projectiles and
cause injury if the front
airbags inflate.
. Do not place objects with
sharp edges on the seat.
Also, do not place heavy
objects on the seat that will
leave permanent
impressions in the seat.
Such objects can damage
the seat or passenger
sensing system sensors
(weight sensors). This can
affect the operation of the
airbag system and result in
serious personal injury.
. Do not use water or acidic
cleaners (hot steam
cleaners) on the seat. This
can damage the seat or
passenger sensing system
(Continued)
Warning (Continued)
sensors. This can also
affect the operation of the
airbag system and result in
serious personal injury.
. Immediately after inflation,
several front airbag system
components will be hot. Do
not touch them; you may
severely burn yourself.
. No unauthorized changes
should be made to any
components or wiring of the
supplemental airbag
system. This is to prevent
accidental inflation of the
supplemental airbag or
damage to the supplemental
airbag system.
. Do not make unauthorized
changes to your vehicle’s
electrical system,
suspension system, or front
(Continued)
Warning (Continued)
end structure. This could
affect proper operation of
the front airbag system.
. Tampering with the front
airbag system may result in
serious personal injury.
Tampering includes
changes to the steering
wheel and the instrument
panel assembly by placing
material over the steering
wheel pad and above the
instrument panel, or by
installing additional trim
material around the airbag
system.
. Removing or modifying the
front passenger seat may
affect the function of the
airbag and result in serious
personal injury.
. Modifying or tampering with
the front passenger seat
may result personal injury.
(Continued)

Chevrolet City Express Owner Manual (GMNA-Localizing-U.S./Canada-
11683523) - 2018 - CRC - 7/10/17
62 Seats and Restraints
Warning (Continued)
For example, do not change
the front seats by placing
material on the seat cushion
or by installing additional
trim material, such as seat
covers, on the seat that are
not specifically designed to
assure proper airbag
operation. Additionally, do
not stow any objects under
the front passenger seat or
the seat cushion and
seatback. Such objects may
interfere with the proper
operation of the passenger
sensing system sensor
(weight sensor).
. No unauthorized changes
should be made to any
components or wiring of the
seat belt system. This may
affect the front airbag
system. Tampering with the
seat belt system may result
in serious personal injury.
(Continued)
Warning (Continued)
.Work on and around the
front airbag system should
be done by your dealer.
Installation of electrical
equipment should also be
done by your dealer. The
supplemental airbag system
wiring harnesses should not
be modified or
disconnected; airbag wiring
harness connectors are
yellow and orange for easy
identification. Unauthorized
electrical test equipment
and probing devices should
not be used on the airbag
system.
. A cracked windshield should
be replaced immediately by
a qualified repair facility.
A cracked windshield could
affect the function of the
supplemental airbag
system.
Servicing the
Airbag-Equipped Vehicle
Airbags affect how the vehicle
should be serviced. There are parts
of the airbag system in several
places around the vehicle. Your
dealer and the service manual have
information about servicing the
vehicle and the airbag system. To
purchase a service manual, see
Service Publications Ordering
Information 0272.
{Warning
For up to three minutes after the
vehicle is turned off and the
battery is disconnected, an airbag
can still inflate during improper
service. You can be injured if you
are close to an airbag when it
inflates. Avoid yellow connectors.
They are probably part of the
airbag system. Be sure to follow
proper service procedures, and
make sure the person performing
work for you is qualified to do so.

Chevrolet City Express Owner Manual (GMNA-Localizing-U.S./Canada-
11683523) - 2018 - CRC - 7/10/17
Seats and Restraints 63
Adding Equipment to the
Airbag-Equipped Vehicle
Adding accessories that change the
vehicle's frame, bumper system,
height, front end, or side sheet
metal may keep the airbag system
from working properly.
The operation of the airbag system
can also be affected by changing
any parts of the front seats, seat
belts, airbag sensing and diagnostic
module, steering wheel, instrument
panel, inner door seals including the
speakers, any of the airbag
modules, ceiling or pillar garnish
trim, front sensors, side impact
sensors, or airbag wiring.
Your dealer and the service manual
have information about the location
of the airbag sensors, sensing and
diagnostic module, and airbag
wiring.
In addition, the vehicle has a
passenger sensing system for the
front outboard passenger position,
which includes sensors that are part
of the passenger seat. The
passenger sensing system may notoperate properly if the original seat
trim is replaced with non-GM
covers, upholstery, or trim; or with
GM covers, upholstery, or trim
designed for a different vehicle. Any
object, such as an aftermarket seat
heater or a comfort-enhancing pad
or device, installed under or on top
of the seat fabric, could also
interfere with the operation of the
passenger sensing system. This
could either prevent proper
deployment of the passenger
airbag(s) or prevent the passenger
sensing system from properly
turning off the passenger airbag(s).
See
Passenger Sensing System
0 56.
If the vehicle has rollover roof-rail
airbags, see Different Size Tires
and Wheels 0216 for additional
important information.
If you have to modify your vehicle
because you have a disability and
have questions about whether the
modifications will affect the vehicle's
airbag system, or if you have
questions about whether the airbag
system will be affected if the vehicle is modified for any other reason, call
Customer Assistance. See
Customer Assistance Offices
0265.
Airbag System Check
The airbag system does not need
regularly scheduled maintenance or
replacement. Make sure the airbag
readiness light is working. See
Airbag Readiness Light 089.
Caution
If an airbag covering is damaged,
opened, or broken, the airbag
may not work properly. Do not
open or break the airbag
coverings. If there are any
opened or broken airbag
coverings, have the airbag
covering and/or airbag module
replaced. For the location of the
airbags, see Where Are the
Airbags? 051. See your dealer
for service.

Chevrolet City Express Owner Manual (GMNA-Localizing-U.S./Canada-
11683523) - 2018 - CRC - 7/10/17
Instruments and Controls 89
Here are four things that some
owners ask about. None of these
show a problem with the fuel gauge:
.At the service station, the gas
pump shuts off before the gauge
reads full.
. It takes a little more or less fuel
to fill up than the gauge
indicated. For example, the
gauge may have indicated the
tank was half full, but it actually
took a little more or less than
half the tank's capacity to fill
the tank.
. The indicator moves a little when
turning a corner or speeding up.
. The gauge goes back to empty
when the ignition is turned off.
Seat Belt Reminders
The light and chime remind you to
fasten your seat belts. The light
illuminates when the ignition is
placed in ON or START and remains
illuminated until the driver ’s seat belt
is fastened. At the same time, the
chime sounds for about six seconds
unless the driver ’s seat belt is
securely fastened.
The seat belt warning light may also
illuminate if the front passenger ’s
seat belt is not fastened when the
front passenger seat is occupied.
For seven seconds after the ignition
switch is placed in ON, the system
does not activate the warning light
for the front passenger.
{Warning
If the seat belt warning light stays
on continuously while the ignition
is turned ON with all doors closed
and all seat belts fastened, it may
indicate a malfunction in the
system. Have the system
checked by your dealer.
See Seat Belts 043.
Airbag Readiness Light
This light shows if there is an
electrical problem with the airbag
system. The system check includes
the airbag sensor(s), passenger
sensing system, the pretensioners,
the airbag modules, the wiring, and
the crash sensing and diagnostic
module. For more information on the
airbag system, see Airbag System
0 49.
The airbag readiness light comes on
for several seconds when the
vehicle is started. If the light does
not come on then, have it fixed
immediately.

Chevrolet City Express Owner Manual (GMNA-Localizing-U.S./Canada-
11683523) - 2018 - CRC - 7/10/17
198 Vehicle Care
Headlamps, Front Turn
Signal and Parking
Lamps
High-Beam Headlamp/
Low-Beam Headlamp
1. Open the hood.
2. Release the clip on theconnector.
3. Turn the bulb counterclockwise and pull straight back.
Turn Signal and Parking Lamp
1. Open the hood.
2. Turn the bulb counterclockwise
and pull straight back.
Electrical System
Electrical System
Overload
The vehicle has fuses and circuit
breakers to protect against an
electrical system overload.
When the current electrical load is
too heavy, the circuit breaker opens
and closes, protecting the circuit
until the current load returns to
normal or the problem is fixed. This
greatly reduces the chance of circuit
overload and fire caused by
electrical problems.
Fuses and circuit breakers protect
power devices in the vehicle.
Replace a bad fuse with a new one
of the identical size and rating.
If there is a problem on the road and
a fuse needs to be replaced, the
same amperage fuse can be
borrowed. Choose some feature of
the vehicle that is not needed to use
and replace it as soon as possible.
Headlamp Wiring
An electrical overload may cause
the lamps to go on and off, or in
some cases to remain off. Have the
headlamp wiring checked right away
if the lamps go on and off or
remain off.
Windshield Wipers
If the wiper motor overheats due to
heavy snow or ice, the windshield
wipers will stop until the motor cools
and will then restart.
Although the circuit is protected
from electrical overload, overload
due to heavy snow or ice may
cause wiper linkage damage.
Always clear ice and heavy snow
from the windshield before using the
windshield wipers.
If the overload is caused by an
electrical problem and not snow or
ice, be sure to get it fixed.

Chevrolet City Express Owner Manual (GMNA-Localizing-U.S./Canada-
11683523) - 2018 - CRC - 7/10/17
Vehicle Care 199
Fuses and Circuit
Breakers
{Danger
Fuses and circuit breakers are
marked with their ampere rating.
Do not exceed the
specified amperage rating when
replacing fuses and circuit
breakers. Use of an oversized
fuse or circuit breaker can result
in a vehicle fire. You and others
could be seriously injured or
killed.
The wiring circuits in the vehicle are
protected from short circuits by a
combination of fuses and circuit
breakers. This greatly reduces the
chance of fires caused by electrical
problems.
Look at the silver-colored band
inside the fuse. If the band is broken
or melted, replace the fuse. Be sure
you replace a bad fuse with a new
one of the identical size and rating. Spare fuses are provided and can
be found in the passenger
compartment fuse box.
Engine Compartment
Fuse Block
The fuse block is in the engine
compartment of the vehicle.
Remove the cover by pushing the
tab and lifting the cover up.
Fusible Links
If the electrical equipment does not
operate and fuses are in good
condition, check the fusible links.
If any of these fusible links are
melted, replace with only Genuine
GM parts.
Caution
Spilling liquid on any electrical
component on the vehicle may
damage it. Always keep the
covers on any electrical
component.