1994 CHEVROLET ASTRO PASSENGER wiring

Downloaded from www.Manualslib.com manuals search engine All-Wheel Drive (Option) .................. ............... 2-26
Windows
................................................ 2-26
Horn
.................................................... 2-29
Tilt Wheel (Option)
........................................ 2-29
Turn SignaVMultifunction Lever
.............................. 2-30
Turn Signal and Lane Change Indicator
...................... 2-30
Headlight High-Low Beam
............................... 2-32
Windshield Wipers
.................................... 2-32
Windshield Washer
...................................... 2-33
Rear Window WiperNasher
.............................. 2-34
Cruise Control
........................................ 2-35
Lights
................................................. 241
Mirrors
.................................................. 245
SunVisors
............................................. 247
Cigarette LighterlAshtrays
................................... 248
Assist Handles
............................................ 249
Storage Compartments
...................................... 2-50
Instrument Cluster
......................................... 2-51
Warning Lights, Gages and Indicators
....................... 2-55
Indicator Lights
....................................... 2-57
Gages
................................................ 2-61
Luggagecarrier
........................................... 2-65
Trailer Wiring Harness
... ......... ~~ . . 2-66
2-2

Downloaded from www.Manualslib.com manuals search engine ‘I
I
A green 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 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.
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
Although your vehicle’s lighting system (headlights, parking lights, fog
lamps, side marker lights and taillights) meets all applicable federal lighting
requirements, certain states and provinces may apply their own lighting
regulations that may require special attention before you operate these
lights.
For example, some jurisdictions may require that you operate your fog
lamps only when your lower beam headlights are also
on, or that headlights
be turned
on whenever you must use your windshield wipers. In addition,
most jurisdictions prohibit driving solely with parking lights, especially at
dawn or dusk. It is recommended that you check with your own state or
provincial highway authority for applicable lighting regulations.
2-31

Downloaded from www.Manualslib.com manuals search engine Lights
Your light switches
are
on the left side of
the instrument panel
above the vent.
Press the top light switch to the left
to turn on:
Parking Lights
Taillights
0 License Plate Lights
0 Instrument Panel Lights
Press the bottom light switch to the left to turn on the headlights, together
with:
Parking Lights
0 Taillights
License Plate Lights
Instrument Panel Lights
Press
OFF to turn off all your lights.
Turn the dial above the light switches to the left to dim your instrument
panel lights.
Turn the dial to the right to brighten your instrument panel lights. If you
turn the dial all the way to the right until it clicks, your interior lights will
come on.
You can switch your headlights from high to low beam by pulling on the
multifunction lever on the left
of the steering column.
A circuit breaker protects your headlights. If you have an electrical
overload, your headlights will flicker on and off. Have your headlight
wiring checked right away if this happens.
2-41

Downloaded from www.Manualslib.com manuals search engine Trailer Wiring Harness
If you have the optional trailering package, your vehicle will have a 7-wire
harness.
The 7-wire harness is stored on the right side
of the van near the rear wheel
well. This harness has a
30 amp battery feed wire and no connector, and
should be wired
by a qualified service person, 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.
The harness must be routed out
of your vehicle between the rear door and
the floor, with enough of the harness
left on both sides so that the trailer or
the body won't pull it.
Store the harness
in its original place. Wrap the harness together and tie it
neatly
so it won't be damaged.
2-66

Downloaded from www.Manualslib.com manuals search engine 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 Turns
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 and reduce your speed to around
45 mph
(70 km/h) to reduce the possibility of engine and transmission overheating.
4-28

Downloaded from www.Manualslib.com manuals search engine Parking on Hills
You really should not park your vehicle, with a trailer attached, on a hill. If
something goes wrong, your rig could start to move. People can be injured.
and both your vehicle and the trailer can be damaged.
But if you ever have to park your rig on a hill, here’s how to do it:
1. Apply your regular brakes, but don’t shift into “P” (Park) yet.
2. Have someone place chocks under the trailer wheels.
3. When the wheel chocks are in place, release the regular brakes until the
chocks absorb the load.
4. Reapply the regular brakes. Then apply your parking brake, and shift to
5. Release the regular brakes.
“P” (Park).
When You Are Ready to Leave After Parking on a Hill
1. Apply your regular brakes and hold the pedal down while you:
Start your engine;
Shift into a gear; and
Release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly until the trailer is clear of the chocks.
4. Stop and have someone pick up and store the chocks.
Maintenance When Trailer Towing
Your vehicle will need service more often when you’re pulling a trailer. See
the Maintenance Schedule for more on this. Thin.gs that are especially
important in trailer operation are automatic transmission fluid (don’t
overfill), engine oil, axle lubricant, belt, cooling system, and brake
adjustment. Each of these
is covered in this manual, and the Index will help
you find them quickly. If you’re trailering, it’s a good idea to review these
sections before you start your trip.
Check periodically
to see that all hitch nuts and bolts are tight.
Trailer Light Wiring
See “Trailer Wiring Harness” in the Index.
4-29

Downloaded from www.Manualslib.com manuals search engine Fuses and Circuit Breakers
The wiring circuits in your vehicle 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. See “Fuses and Circuit Breakers”
in the Index for more
information.
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.
Trailer Wiring Harness
The optional seven-wire trailer wiring harness is protected by an in-line
fuse
in the battery feed wire. This fuse is near the junction block. See
“Trailer Wiring Harness”
in the Index.
6-66

Downloaded from www.Manualslib.com manuals search engine NAME
DRL**
PWR
MIRRORS*
TRAILER*
CIRCUITS
PROTECTED
Canadian Daytime Running
Lights
Power Mirror
Trailer Wiring Harness
FUSE
10 Amp
3 Amp
30 Amp
*In-line fuse
**Canada only
***In-line fuse (certain models)
Service Replacement Part and Filter
Recommendations
ENGINE (VIN)
OIL FILTER
AIR CLEANER FILTER
PCV VALVE
SPARK PLUGS*
FUEL FILTER
RADIATOR CAP 4.3L (2)
PF52
A773C
CV789C
.CR43TSM
GF48
1
RC36
*Use copper-cored resistor type spark plugs.
CIRCUIT
BREAKER
4.3L
(W)
PF52
A1163C
cv774c
.CR43TSM GF48
1
RC36
6-74