Fuses and circuit breakers Oldsmobile Bravada 1999 Owner's Manuals

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2-12 Testing the Alarm
The alarm can be tested by following these steps:
1. From inside the vehicle, lower the driver's window
and open the driver's door.
2. Activate the system by locking the doors with the
power door lock switch while the door is open, or
with the remote keyless entry transmitter.
3. Get out of the vehicle, close the door and wait for the
SECURITY light to go out.
4. Then reach in through the window, unlock the door
with the manual door lock and open the door. This
should set off the alarm.
If the alarm does not sound when it should but the
vehicle's headlamps flash, check to see if the horn
works. The horn fuse may be blown. To replace the fuse,
see ªFuses and Circuit Breakersº in the Index.
If the alarm does not sound or the vehicle's headlamps
do not flash, the vehicle should be serviced by an
authorized service center.
Passlock

Your vehicle is equipped with the Passlock
theft
-deterrent system.
Passlock is a passive theft
-deterrent system. Passlock
enables fuel if the ignition lock cylinder is turned with a
valid key. If a correct key is not used or the ignition lock
cylinder is tampered with, fuel is disabled.
During normal operation, the SECURITY light will go
off approximately five seconds after the key is turned to
the RUN ignition position.
If the engine stalls and the SECURITY light flashes,
wait about 10 minutes until the light stops flashing
before trying to restart the engine. Remember to release
the key from START as soon as the engine starts.
If the engine does not start after three (3) tries, the
vehicle needs service.
If the engine is running and the SECURITY light comes
on, you will be able to restart the engine if you turn the
engine off. However, your Passlock system is not working
properly and must be serviced by your dealer. Your vehicle
is not protected by Passlock at this time. You may also
want to check the fuse (see ªFuses and Circuit Breakersº
in the Index). See your dealer for service.
In an emergency, call the Oldsmobile Roadside
Assistance Center at 1
-800-442-OLDS (6537).

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2-29 Turn and Lane Change Signals
The turn signal has two upward (for right) and two
downward (for left) positions. These positions allow you
to signal a turn or a lane change.
To signal a turn, move the lever all the way up
or down. When the turn is finished, the lever will
return automatically.
An arrow on the instrument
panel will flash in the
direction of the turn or
lane change.
To signal a lane change, just raise or lower the lever
until the arrow starts to flash. Hold it there until you
complete your lane change. The lever will return by
itself when you release it.As you signal a turn or a lane change, if the arrows don't
flash but just stay on, a signal bulb may be burned out
and other drivers won't see your turn signal.
If a bulb is burned out, replace it to help avoid an
accident. If the arrows don't go on at all when you
signal a turn, check the fuse (see ªFuses and Circuit
Breakersº in the Index) and for burned
-out bulbs.
If you have a trailer towing option with added wiring for
the trailer lamps, a different turn signal flasher is used.
With this flasher installed, the signal indicator will flash
even if a turn signal bulb is burned out. Check the front
and rear turn signal lamps regularly to make sure they
are working.
Turn Signal On Chime
If your turn signal is left on for more than 3/4 of a mile
(1.2 km), a chime will sound at each flash of the turn
signal. To turn off the chime, move the turn signal lever
to the off position.

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4-51 Trailer Wiring Harness
The trailer wiring harness is an eight-wire harness
assembly. The harness is stored under the vehicle, on the
driver's side corner frame crossmember. The harness has
a 30
-amp feed wire with an inline fuse located by the
junction block. See ªFuses and Circuit Breakersº in the
Index. The harness does not have a connector and
should be wired by a qualified electrical technician. The
technician can use the following color code chart when
connecting the wiring harness to your trailer.

Dark Blue: Use for electric trailer brakes or
auxiliary wiring.

Red: Use for battery charging; it connects to the
starter solenoid.
Light Green: Back
-up lamps.

Brown: Taillamps and parking lamps.

Yellow: Left stoplamp and turn signal.

Dark Green: Right stoplamp and turn signal.

White (Heavy Gauge): Ground wire.

White (Light Gauge): Auxiliary stoplamp.
Securely attach the harness to the trailer, then tape or
strap it to your vehicle's frame rail. Be sure you leave it
loose enough so the wiring doesn't bend or break, but
not so loose that it drags on the ground. Store the
harness in its original place. Wrap the harness together
and tie it neatly so it won't be damaged.

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6-54
Your vehicle has an air bag system. Before attempting to
add anything electrical to your vehicle, see ªServicing
Your Air Bag
-Equipped Vehicleº in the Index.
Headlamps
The headlamp wiring is protected by an internal 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 circuit
breaker and a fuse. If the motor overheats due to heavy
snow or ice the wiper will stop until the motor cools. If
the overload is caused by some electrical problem, be
sure to get it fixed.
Power Windows and Other Power Options
Circuit breakers protect the power windows 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.
Fuses and Circuit Breakers
The wiring circuits in your 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.
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.

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9-2
Blizzard, Driving In 4-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake Fluid 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake, Parking 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake System Warning Light 2-61 . . . . . . . . . . . . . . . . . . . . . .
Brakes
Adjustment 6
-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Master Cylinder 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pedal Travel 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing System Parts 6-31 . . . . . . . . . . . . . . . . . . . . . . . .
Trailer 4-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wear 6-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake-Transmission Shift Interlock Check 7-41 . . . . . . . . . . .
Braking 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking In Emergencies 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BTSI Check 7-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacities and Specifications 6-60 . . . . . . . . . . . . . . . . . . . .
Carbon Monoxide 2-9, 2-25, 4-40, 4-48 . . . . . . . . . . . . . . . .
Care of Your Cassette Tape Player 3-22 . . . . . . . . . . . . . . . . . .
Cargo Security Shade 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cargo Tie Downs 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Deck Service 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Certification/Tire Label 4-41 . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains
Safety 4
-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire 6-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat Tire 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System Light 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gages Light 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checking Your Restraint Systems 1
-52 . . . . . . . . . . . . . . . . . .
Chemical Paint Spotting 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Restraints 1-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center Seat Positions 1-46 . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing in a Rear Outside Seat Position 1-44 . . . . . . . . . . .
Securing in the Right Front Seat Position 1-46 . . . . . . . . . .
Top Strap 1-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Where to Put 1-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Breakers and Fuses 6-54 . . . . . . . . . . . . . . . . . . . . . . .
Cleaner, Air 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
Aluminum Wheels 6
-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps and Lenses 6-49 . . . . . . . . . . . . . . . . . . . . .
Fabric 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-45 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-47 . . . . . . . . . . . . . . . . . . . . .
Leather 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-49 . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weatherstrips 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield, Backglass and Wiper Blades 6-48 . . . . . . . . . .
Climate Control System 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock, Setting 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Care 3-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player Care 3-23 . . . . . . . . . . . . . . . . . . . . . . . .

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9-4
Engine (Continued)
Identification 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Level Check 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overheating 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-25 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting 2-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Compartment Fuse Block 6-57 . . . . . . . . . . . . . . . . . .
Engine Oil 6-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Kind to Use 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Gage 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Filter 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Used 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Add 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exit Lighting 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Express-Down Window 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fabric Cleaning 6-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling a Portable Fuel Container 6-7 . . . . . . . . . . . . . . . . . . . .
Filling Your Tank 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter, Air 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish Care 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish Damage 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Gear 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flashers, Hazard Warning 5-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Flash-To-Pass 2-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flat Tire, Changing 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fluids and Lubricants 6
-51, 7-45 . . . . . . . . . . . . . . . . . . . . . . .
Fog Lamp Switch 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign Countries, Fuel 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front
Axle 6
-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Area 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal Lamp Bulb Replacement 6-33 . . . . . . . . . . . . .
Fuel 6-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling a Portable Container 6-7 . . . . . . . . . . . . . . . . . . . . . .
Filling Your Tank 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foreign Countries 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gage 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block
Engine Compartment 6
-57 . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuses and Circuit Breakers 6-54 . . . . . . . . . . . . . . . . . . . . . . .
Gages
Engine Coolant Temperature 2-62 . . . . . . . . . . . . . . . . . . . .
Engine Oil Pressure 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Garage Door Opener 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Cap 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gate Ajar Light 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAWR 4-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Positions 2-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glove Box 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GM Mobility Program for Persons with Disabilities 8-5 . . . . .
Gross Axle Weight Rating 4-41 . . . . . . . . . . . . . . . . . . . . . . . .
Gross Vehicle Weight Rating 4-41 . . . . . . . . . . . . . . . . . . . . . .
GVWR 4-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .