1999 CHEVROLET CORVETTE wiring

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2-16
CAUTION:
It can be dangerous to drive with the hatch/trunk
lid open because carbon monoxide (CO) gas can
come into your vehicle. You can't see or smell
CO. It can cause unconsciousness and even death.
If you must drive with the hatch/trunk lid open
or if electrical wiring or other cable connections
must pass through the seal between the body and
the hatch/trunk lid:

Make sure all other windows are shut.

Turn the fan on your heating or cooling
system to its highest speed with the setting
on BI
-LEVEL or VENT. That will force
outside air into your vehicle. See ªComfort
Controlsº in the Index.

If you have air outlets on or under the
instrument panel, open them all the way.
See ªEngine Exhaustº in the Index.
NOTICE:
If you put things in the hatch/trunk area, be sure
they won't break the glass when you close it.
Never slam the hatch/trunk lid down. You could
break the glass or damage the defogger grid.
When you close the hatch/trunk lid, make sure
you pull down from the center, not the sides. If
you pull the hatch/trunk lid down from the side
too often, the weatherstrip can be damaged.
NOTICE:
Do not store heavy or sharp objects in the rear
storage compartments located in the hatch/trunk
area. If you do, the objects could damage
the underbody.

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2-58
To access a storage compartment, pull up on the latch to
release the lid. Remove the storage compartment lid.
When replacing a storage compartment lid, make sure
the latch is in the correct location so the latch locks
securely into place.
NOTICE:
If your vehicle is equipped with the optional
trunk
-mounted CD changer, it is stored in the
center rear storage compartment. To help avoid
damage to the compact disc player, do not store
items such as liquids or sharp objects that could
damage, puncture or cut the trunk
-mounted CD
changer or wiring.
NOTICE:
Do not store heavy or sharp objects in the storage
compartments located in the hatch/trunk area. If
you do, the objects could damage the underbody.

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2-78
Gages can indicate when there may be or is a problem
with one of your vehicle's functions. Often gages and
warning lights work together to let you know when
there's a problem with your vehicle.
When one of the warning lights comes on and stays on
when you are driving, or when one of the gages shows
there may be a problem, check the section that tells you
what to do about it. Please follow this manual's advice.
Waiting to do repairs can be costly
-- and even
dangerous. So please get to know your warning lights
and gages. They're a big help.
Your vehicle also has a Driver Information Center that
works along with the warning lights and gages. See
ªDriver Information Center (DIC)º in the Index.
Safety Belt Reminder Light
When the key is turned to ON or START, a chime will
come on for about eight seconds to remind people to
fasten their safety belts, unless the driver's safety belt is
already buckled.
The safety belt light will
also come on and stay
on until the driver's belt
is buckled.
Air Bag Readiness Light
There is an air bag readiness light on the instrument
panel, which shows a deployed air bag symbol. The
system checks the air bag's electrical system for
malfunctions. The light tells you if there is an electrical
problem. The system check includes the air bag sensors,
the air bag modules, the wiring and the diagnostic
module. For more information on the air bag system, see
ªAir Bagº in the Index.
This light will come on
when you start your engine,
and it will flash for a few
seconds. Then the light
should go out. This means
the system is ready.

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6-34
2. Remove the screws on each side of the
headlamp bezel.
3. Open the hood.
4. To remove the bezel, pull the sides slightly outward
and tilt the bezel forward. Pull the clip centered
above the lens outward. Be careful not to scratch
the paint.5. Reach behind the lamp and turn the bulb
counterclockwise to remove it. Don't touch the
halogen bulbs. The inner bulb is the high beam and
the outer bulb is the low beam.
6. Disconnect the desired bulb from the wiring harness.
7. Reverse the steps listed previously with a new bulb.

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6-67
NOTICE:
When using the accessory power plug:

DO NOT splice wires directly into the
vehicle electrical wire harness. If done
incorrectly, splicing may cause damage to
your electrical system and would not be
covered by the vehicle's warranty.

The maximum load of any electrical
equipment should not exceed 15 amps.

Be sure to turn off any electrical equipment
when not in use. Leaving electrical
equipment on for extended periods of time
can drain your battery.

DO NOT use this plug if the electrical
equipment requires frequent connecting
and disconnecting. This may cause
excessive wear on the accessory power plug
and damage your electrical system and
the damage would not be covered by
your warranty.
Headlamps
The headlamp wiring is protected by a circuit breaker.
An electrical overload will cause the lamps to go on and
off, or in some cases to remain off. If this happens, have
your headlamp wiring checked right away.
Windshield Wipers
The windshield wiper motor is protected by a fuse and
an internal circuit breaker. If the motor overheats due to
heavy snow, etc., the wiper will stop until the motor
cools. If the overload is caused by some electrical
problem and not snow, etc., be sure to get it fixed.
Power Windows and Other Power Options
Circuit breakers protect the power seats and other power
accessories. When the current load is too heavy, the
circuit breaker opens and closes, protecting the circuit
until the problem is fixed or goes away.

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6-68 Fuses and Circuit Breakers
The wiring circuits in your vehicle are protected from
short circuits by a combination of maxi
-fuses,
mini
-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.
If you ever have a problem on the road and don't have a
spare fuse, you can borrow one that has the same
amperage. Just pick some feature of your vehicle that
you can get along without
-- like the radio or cigarette
lighter
-- and use its fuse, if it is the correct amperage.
Replace it as soon as you can.Instrument Panel Fuse Block
The instrument panel fuse
block is located on the
passenger's side of the
vehicle, under the
instrument panel and under
the toe
-board.
Remove the toe
-board and carpet covering to access the
fuse block. Then turn the fuse block door knob and pull
the door to access the fuses.

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9-6
Fob Training 2-101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog Lamps 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign Countries, Fuel 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fourth Gear, Manual Transmission 2-31 . . . . . . . . . . . . . . . . .
French Language Manual ii. . . . . . . . . . . . . . . . . . . . . . . . . . .
Front
Air Dam 2
-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sidemarker Lamp Bulb Replacement 6-35 . . . . . . . . . . . . .
Turn Signal Lamp Bulb Replacement 6-35 . . . . . . . . . . . . .
Fuel 6-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canada 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door, Manual Release Tab 6-7 . . . . . . . . . . . . . . . . . . . . . . .
Door Release Button 6-6 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling a Portable Fuel Container 6-9 . . . . . . . . . . . . . . . . . .
Filling Your Tank 6-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gage 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In Foreign Countries 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses and Circuit Breakers 6-68 . . . . . . . . . . . . . . . . . . . . . . .
Gages
Engine Coolant Temperature 2-82 . . . . . . . . . . . . . . . . . . . .
Engine Oil Pressure 2-85 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltmeter 2-79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAWR 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Positions 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GM Mobility Program 8-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GM Vehicle Care/Appearance Materials 6-64 . . . . . . . . . . . . .
Gross
Axle Weight Rating 4
-31 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle Weight Rating 4-31 . . . . . . . . . . . . . . . . . . . . . . . . .
Guide en Fran†ais ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GVWR 4
-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Halogen Bulbs 6-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hazard Warning Flashers 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Doors 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlamps 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High/Low Beam Changer 2-46 . . . . . . . . . . . . . . . . . . . . . .
Wiring 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Head-Up Display (HUD) 2-88 . . . . . . . . . . . . . . . . . . . . . . . . .
Hearing Impaired, Customer Assistance 8-4 . . . . . . . . . . . . . .
Heated Remote Control Mirrors 2-55 . . . . . . . . . . . . . . . . . . .
Heating 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High-Beam Lamps 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Highway Hypnosis 4-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hill and Mountain Roads 4-24 . . . . . . . . . . . . . . . . . . . . . . . . .
Hood
Checking Things Under 6
-9 . . . . . . . . . . . . . . . . . . . . . . . . .
Release 6-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horn 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HUD 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Clutch 6-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydroplaning 4-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Switch 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transmission Lock Check 7-16 . . . . . . . . . . . . . . . . .
Inadvertent
Load Control 2
-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lockout Protection 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation, Tire Pressure 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside Day/Night Rearview Mirror 2-54 . . . . . . . . . . . . . . . . .
Inspections 7-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake System 7-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling System 7-18 . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust System 7-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-12
Torque Lock 2-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque, Wheel Nut 6-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing
A Trailer 4
-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recreational Vehicle 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . .
Your Vehicle 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction Control
System 4
-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System (TCS) Light 2-81 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer Towing 4-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Fluid 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Lock Check 7-16 . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitters, Remote Function Actuation System 2-7 . . . . . .
Transportation, Courtesy 8-8 . . . . . . . . . . . . . . . . . . . . . . . . . .
TTY Users 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Lane Change Indicator 2-43 . . . . . . . . . . . . .
Turn Signal/Multifunction Lever 2-43 . . . . . . . . . . . . . . . . . . .
Twilight Sentinel 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Underbody Flushing Service 7-16 . . . . . . . . . . . . . . . . . . . . .
Universal Theft-Deterrent System 2-17 . . . . . . . . . . . . . . . . . .
Arming 2-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disarming 2-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing 2-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle
Adding Equipment to the Outside of Your 6-3 . . . . . . . . . . .
Control 4-6, 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage Warnings ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 6
-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Identification Number 6
-65 . . . . . . . . . . . . . . . . . . . . . . . . .
Loading 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage 6-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ventilation System 3-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visor Vanity Mirrors 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Visors, Sun 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltmeter 2-79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Devices 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Lights, Gages and Messages 2-77 . . . . . . . . . . . . . . .
Warranty Information 8-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Washer Fluid, Windshield 6-27 . . . . . . . . . . . . . . . . . . . . . . . .
Washing Your Vehicle 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weatherstrip Lubrication 7-14 . . . . . . . . . . . . . . . . . . . . . . . . .
Weatherstrips 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel
Alignment 6
-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nut Torque 6-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Wheel Lock Key 6-51 . . . . . . . . . . . . . . . . . . . . .
Windows 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Express-Down 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Washer 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Level Check 7-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Wipers 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blade Replacement 6-38 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter Driving 4-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiper Blade Check 7-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring, Headlamp 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wrecker Towing 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .