1993 BUICK LESABRE wiring

A green arrow on the
instrument panel will flash
in the direction
of the turn
or lane change. If
you have
a trailer towing option with added wiring for
the trailer lights, 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 lights regularly to make sure they
are working.
Operation of Lights
To signal a lane change, just raise or lower the lever
until the green 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 green arrows don’t
go on at all when you
signal a turn; check the fuse (see “Fuses” in the Index)
and for burned-out bulbs. Although your vehicle’s lighting system
(headlamps,
parking lamps, fog lamps, side marker lamps and
taillamps) meet all applicable Federal lighting
requirements, certain States and Provinces may apply
their own lighting regulations that may require special
attention before you operate
these lamps. For example,

Following Distance
Stay at least twice as far behind the vehicle ahead as you
would when driving your vehicle without a trailer. This
can help
you avoid situations that require heavy braking
and sudden turns.
Passing
You’ll need more passing distance up ahead when
you’re towing a trailer. And, because you’re a good deal
longer, you’ll need to go much farther beyond the
passed vehicle before you can return
to your lane.
Backing Up
Hold the bottom of the steering wheel with one hand.
Then,
to move the trailer to the left, just move that hand
to the left. To move the trailer to the right, move your
hand
to the right. Always back up slowly and, if
possible, have someone guide you.
Making nrns
When you’re turning with a trailer, make wider turns
than normal. Do this
so your trailer won’t strike soft
shoulders, curbs, road signs, trees, or other objects.
Avoid jerky or sudden maneuvers. Signal well
in
advance.
Turn Signals When Towing a Trailer
When you tow a trailer, your vehicle has to have a
different turn signal flasher and extra wiring. The green
arrows
on your instrument panel will flash whenever
you signal a turn
or lane change. Properly hooked up,
the trailer lights will also flash, telling other drivers
you’re about to turn, change lanes or stop.
When towing a trailer, the green arrows on your
instrument panel will flash for turns even if the bulbs on
the trailer are burned out.
Thus, you may think drivers
behind you are seeing your signal when they are
not. It’s
important to check occasionally to be sure the trailer
bulbs are still working.
Driving On Grades
Reduce speed and shift to a lower gear before you start
down a long or steep downgrade. If you don’t shift
down,
you might have to use your brakes so much that
they would get hot and no longer work well.
On a long uphill grade, shift down to “D” (Drive) and
reduce your speed to around
45 mph (70 km/h) to
reduce the possibility of engine and transaxle
overheating.
193

Fuses and Circuit Breakers
The wiring circuits in your car are protected from short
circuits by a combination
of fuses, circuit breakers, and
fusible thermal links
in the wiring itself. This greatly
reduces the chance
of fires caused by electrical
problems.
You’ll find some spare
fuses in the fuse block. Be sure
to use the correct fuse.
If you ever have a problem on
the road and don’t have a spare fuse,
you can “borrow”
one
of the correct value. Just pick some feature of your
car that
you can get along without -- like the radio or
cigarette lighter
-- and use its fuse, if it is of the value
you need. Replace it as soon as you can.
The fuse panel
is located under the instrument panel,
next to the parking brake.
To release and lower the fuse
panel, squeeze the two tabs together. Then, pull it
towards you.
It will come down so the fuses can be
accessed.
c m
k
Remove the cover to access the fuses.
270

-..
I 7
GOOD FUSE
f7-7 6
FUSE
GM PART NO. RATING COLOR
IIU
12004003 ................... 3 AMP VIOLET
12004005
................... 5 AMP TAN
12004006
................... 7.5 AMP BROWN
12004007
................... 10 AMP RED
12004008
................... 15 AMP LIGHT BLUE
12004009
................... 20 AMP YELLOW
12004010
................... 25 AMP WHITE
12004011
................... 30 AMP LIGHT GREEN
This fuse chart shows how to tell a blown fuse from a
good fuse.
There are additional fuses located behind the right sound
insulator panel on the passenger side. If these require service, see your Buick dealer.
Maxifuse/Relay Center
To check the fuses in this underhood fuse center, turn
the two knobs 1/4 turn counterclockwise and remove the
cover. The inside
of the cover has a chart that explains
the features and controls governed by each fuse and
relay.
The PASS-Key fuse is located in the right side relay center.
Headlights
The headlight wiring is protected by a circuit breaker in
the light switch. An electrical overload will cause the
lights to go on and
off, or in some cases to remain off. If
this happens, have your headlight 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, 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 in the fuse panel 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.
272