1998 CHEVROLET BLAZER fuse

Downloaded from www.Manualslib.com manuals search engine 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. Things 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 Wiring H-T--- ess
The light duty trailer wir is a six-wire harness
assembly. The optional heavy-duty trailer wiring
is an
eight-wire harness assembly. The harnesses are stored under the vehicle, along the passenger-side frame
crossmember on two-door vehicles or on the driver’s side
corner frame rear crossmember on four-door vehicles. The
heavy-duty trailer wiring has a 30-amp feed wire with
an
inline fuse located by the junction block. See
“Fuses and Circuit Breakers” in the Index. Both
harnesses have
no 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.
0
0
0
0
0
0
0
0
Dark Blue: Use for electric trailer brakes or
auxiliary wiring.
Red: Use for battery charging; it connects to the
starter solenoid (eight-wire harness only).
Light Green: Back-up lamps (eight-wire
harness only).
Brown: Taillamps and parking lamps. Yellow: Left stoplamp and turn signal.
Dark Green: Right stoplamp and turn signal.
White (Heavy Gage): Ground wire.
White (Light Gage): 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.

Downloaded from www.Manualslib.com manuals search engine /! CAUTION:
You can be injured and your vehicle could be
damaged if you
try to do service work on a
vehicle without knowing enough about it.
Be sure you have sufficient knowledge,
experience, the proper replacement parts
and tools before you attempt any vehicle
maintenance task.
Be sure to use the proper nuts, bolts and
other fasteners. “English” and “metric”
fasteners can be easily confused.
If you use
the wrong fasteners, parts can later break
or fall
off. You could be hurt.
Adding Equipment to the Outside of
Your Vehicle
Things you might add to the outside of your vehicle can
affect the airflow around it. This may cause wind noise
and affect windshield washer performance. Check with
your dealer before adding equipment to the outside of
your vehicle. Use regular unleaded
gasoline rated at
87 octane or
higher. At a minimum, it should meet specifications
ASTM D48 14 in
the United States and CGSB 3.5-M93
in Canada. Improved gasoline specifications have
been developed by the American Automobile
Manufacturers Association (AAMA) for better
vehicle performance and engine protection. Gasolines
meeting the AAMA specification could provide
improved driveability and emission control system
protection compared to other gasolines.
Be sure the posted octane
is at least 87. If the octane is
less than
87, you may get a heavy knocking noise when
you drive. If it’s bad enough, it can damage your engine.
If you’re using fuel rated at
87 octane or higher and you
hear heavy knocking, your engine needs service. But
don’t worry if you hear
a little pinging noise when
you’re accelerating or driving up a hill. That’s normal,
and you don’t have to buy a higher octane
fuel to get rid
of pinging. It’s the heavy, constant knock that means
you have
a problem.
6-3

Downloaded from www.Manualslib.com manuals search engine When you lift the hood, you’ll see these items:
A. Battery E Power Steering Reservoir
8. Coolant Recovery Tank G. Brake Master Cylinder
C. Engine Oil Dipstick H. Air Cleaner
D. Engine Oil Fill I. Fuse Block
E. Transmission Dipstick J. Windshield Washer Fluid
6-9

Downloaded from www.Manualslib.com manuals search engine Headlamps Fuses and Circuit Breakers
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, etc., 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. 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.
6-59

Downloaded from www.Manualslib.com manuals search engine Instrument Panel Fuse Block
Remove the cover by turning the fastener to the left.
Extra fuses and the fuse extractor
are provided in the
cover.
To reinstall the fuse panel cover, push in and turn
the fastener to the right.
Fuse/Circuit
Breaker Usage
A
B
1
Not Used
Not Used
Headlamp Switch, Body Control
Module, Headlamp Relay

Downloaded from www.Manualslib.com manuals search engine Fuse/Circuit Breaker Usage
2
3
4
8
9
10
11
12 Cigarette
Lighter, Data
Link Connector
Cruise Control Module and Switch,
Body Control Module, Heated Seats
Gages, Body Control Module,
Instrument Panel Cluster
Interior Lights
Not Used
Power Outside Mirror, Power
Lock Relay
Courtesy Lamps, Battery Run-Down
Protection
HVAC Control Head (Manual)
Turn Signal Cluster, Engine Control Module
Parking Lamps, Power Window
Switch, Body Control Module,
Ashtray Lamp
FuseKircuit
Breaker Usage
13
14
15
16
17
18
19
20
21
22 23
24 Auxiliary Power
Power Locks Motor
4WD Switch, Engine Controls
(VCM, PCM, Transmission)
Supplemental Inflatable Restraint,
SDM Module
Front Wiper
Not Used
Radio Battery
Not Used HVAC (Manual), HVAC
I
(Automatic), HVAC Sensors
(Automatic)
Anti-Lock Brakes
Rear Wiper
Radio, Ignition
6-61

Downloaded from www.Manualslib.com manuals search engine Engine Compartment Fuse Block
J. ,.,:.. I, .
The fuse block is under the hood at the driver's side of
the engine compartment.
Remove the cover
by turning the fastener to the left. To
reinstall the fuse panel cover, push in and turn the
fastener to the right.
Name
TRL TRN
TRR TRN
TRL
B/U
VEH B/U
RT
TURN
LT TURN
LT TRN
Usage
Trailer Left Turn
Trailer Right
Turn
Trailer Back-up Lamps
Vehicle Back-up Lamps
Right Turn Signal Front
Left Turn Signal Front
Left Turn Signal Rear
6-62

Downloaded from www.Manualslib.com manuals search engine Name
RT TRN
RR PRK
TRL PRK
LT HDLP
RT HDLP
FR PRK
INT BAT
ENG
1
ECM B
ABS
ECM
1
HORN
BTSI
BN LP
NC
RAP
02
IGN B
Usage
Right Turn Signal Rear
Right Rear Parking Lamps
Trailer Parking Lamps
Left Headlamp
Right Headlamp
Front Parking Lamps I/P Fuse Block Feed
Engine Sensors/Solenoids, MAP,
CAM, PURGE, VENT
Engine Control Module,
Fuel Pump,
Module, Oil Pressure
Anti-Lock Brake System
Engine Control Module Injectors
Horn
Brake-Transmission Shift Interlock
Back-up Lamps
Air Conditioning
Retained Accessory Power Oxygen Sensor
Column Feed, IGN
2, 3,4
Name
DRL
FOG LP
IGN A
STUD #2
PARKLP LR PRK
IGN C
HTDSEAT
ATC
RRDFOG
HVAC
TRCHMSL
RR WIW
CRANK
HAZLP
VECHMSL
HTDMIR STOPLP
TBC
Usage
Daytime Running Lamps
Fog Lamps Starting and Charging IGN
1
Accessory Feeds, Electric Brake
Parking Lamps
Left Rear Parking Lamps
Starter Solenoid, Fuel Pump, PRNDL
Heated Seat
Electronic Transfer Case
Rear Defogger HVAC System
Trailer Center High-Mount Stop
Lamp
Rear Window Wiper
Clutch Switch, NSBU Switch
Hazard Lamps
Vehicle Center High-Mount Stop Lamp
Heated Mirror
S toplamps
Truck Body Computer
6-63