1998 GMC SAVANA ignition

If you drive regularly in steep country, or if you’re
planning to visit there, here are some tips that can make
your trips safer and more enjoyable.
0 Keep your vehicle in good shape. Check all fluid
levels and also the brakes, tires, cooling system and
transmission. These parts can work hard on
mountain roads.
0 Know how to go down hills. The most important
thing
to know is this: let your engine do some of the
slowing down. Shift to
a lower gear when you go
down a steep or long hill.
/r CAUTION:
If’ you don’t shift down, your brakes could get so
hot that they wouldn’t work well. You would then
have poor braking
or even none going down a hill.
You could crash. Shift down to let your engine
assist your brakes
on a steep downhill slope.
1
A CAUTION:
Coasting downhill in NEUTRAL (N) or with the
ignition
off is dangerous. Your brakes will have to
do all the work of slowing down. They could get
so
hot that they wouldn’t work well. You would then
have poor braking or even none going down a hill.
You could crash.
Always have your engine running
and your vehicle in gear when you
go downhill.
a
0
0
0
Know how to go uphill. You may want to shift down
to a lower gear. The lower gears help cool your engine
and transmission, and
you can climb the hill better.
Stay
in your own lane when driving on two-lane
roads in hills or mountains. Don’t swing wide or
cut
across the center of the road. Drive at speeds that let
you stay in your own lane.
As you go over the top of a hill, be alert. There could be
something
in your lane, like a stalled car or an accident.
You may see highway signs on mountains that warn
of
special problems. Examples are long grades, passing or
no-passing zones,
a falling rocks area or winding
roads. Be alert to these and take appropriate action.
4-22
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If you have a diesel engine vehicle with two batteries
(or more) you should know before you begin that,
especially
in cold weather, you may not be able to
get enough power from
a single battery in another
vehicle to start your diesel engine.
If your vehicle has more than one battery, use the
battery that is under the hood
of the vehicle - this
will reduce the electrical resistance.
2. Get the vehicles close enough so the jumper cables
can reach, but be sure the vehicles aren’t touching
each other.
If they are, it could cause a ground
connection
you don’t want. You wouldn’t be able to
start your vehicle, and the bad grounding could
damage the electrical systems.
To avoid the possibility of the vehicles rolling, set
the parking brake firmly on both vehicles involved in
the jump start procedure. Put your automatic
transmission
in PARK (P).
3. Turn off the ignition on both vehicles. Turn off all
lamps that aren’t needed,
and radios. This will avoid
sparks and help save both batteries, and could save
your radio.
NOTICE: -1
If you leave your radio on, it could be badly
damaged. The repairs would not be covered by
your warranty.
1
4. Open the hoods and locate the batteries. Find the
positive
(+) and negative (-) terminals on each battery.
An electric fan can start up even when the engme
is not running and can injure you. Keep hands, clothing and tools away from any underhood
electric fan.
5-4
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A I
I /! CAUTION:
To
0
0
0
0 0
help avoid injury
to you or others:
Never let passengers ride in a vehicle that is
being towed.
Never tow faster than safe or posted speeds.
Never tow with damaged parts not
fully secured. Never get under your vehicle after it has
been lifted by the tow truck.
Always use separate safety chains on each
side when towing a vehicle.
When your vehicle is being towed, have the ignition
key off. The steering wheel should be clamped in a
straight ahead position, with a clamping device designed
for towing service.
Do not use the vehicle’s steering
column lock for this. The transmission should be
in NEUTRAL (N) and the parking brake should
be released.
A CAUTION:
A vehicle can fall from a car carrier if it isn’t
adequately secured. This can cause a collision,
serious personal injury and vehicle damage. The
vehicle should be tightly secured with chains or
steel cables before it is transported.
Don’t use substitutes (ropes, leather straps,
canvas webbing, etc.) that can be cut by sharp
edges underneath the towed vehicle.
5-9
ProCarManuals.com

Engine Compartment Fuse Relay Center
The fuse block is on the driver’s side of the engine
compartment at the rear.
NAME
BLOWER
ABS
CIRCUITS PROTECTED
Front Blower Motor
Electronic Brake Control Module
NAME
IGN-B
IGN-A
BATT
LIGHTING
CIRCUITS PROTECTED
Ignition Switch
Starter Relay, Ignition Switch
Instrument Panel Fuse Block
Instrument Panel Fuse Block,
Headlamp Switch
RR BLOWER Rear Auxiliary Blower Motor Relays
ENG-I
AIC
SPARE
AUX A
AUX B
RH-HDLP
Heated 02 Sensors, Mass Air Flow
Sensor, EGR Valve Solenoid, Evap
Canister Purge Valve, Crankshaft
Position Sensor, Secondary Air
Injection Relay (Diesel), Water in
Fuel Sensor (Diesel), Fuel Heater
(Diesel), Glowplug Relay (Diesel),
Wastegate Solenoid (Diesel)
Air Conditioning Clutch Relay
Spare Fuses
Upfitter Provisions
Upfitter Provisions Right-hand Headlamp (Export only)
6-65
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NAME
RH-HIBM
ECM-I
HORN
LH-HDLP
LH-HIBM
FUEL SOL
IGN-E
ECM-B
CIRCUITS PROTECTED
Right-hand High-beam Headlamp
(Export only)
Ignition Coil, Camshaft Position
Sensor,
VCM, Fuel Injectors, Coil
Driver
Horn Relay, Underhood Lamp( s)
Left-hand Headlamp (Export
only)
Left-hand High-beam Headlamp
(Export only)
PCM,
Fuel Solenoid Driver, Engine
Shutoff Solenoid
Air Conditioning Clutch Relay
Fuel Pump Relay, VCM, PCM, Fuel
Pump and Engine Oil Pressure
Switch
Replacement Bulbs
LAMP OR BULB
Sealed Beam Headlamps
Composite Low-Beam
Headlamps
Composite High-Beam
Headlamps
Front Sidemarker Lamp
Front Parking and Turn Lamp
Rear Parking Lamp
Rear Stop and Turn Lamp
Back- up Lamp
Back-up Lamp
Rear Parking, Stop, and
Turn Lamp
CHMSL
License Plate Lamp
Underhood Lamp
Reel Lamp
Reading Lamps
Sunshade Vanity Mirror
QTY NUMBER
2 H6054
2 6052
2
2
4
2
1
1
1
6
4
9005
194
2357NA
3057
3057
3156
1156 1157
92
1
194
232
232
211-2
74
6-66
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Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to LOCK in each shift lever position.
The key should turn to LOCK only when the shift
lever is in
PARK (P).
0 The key should come out only in LOCK.
Parking Brake and Automatic Transmission
PARK (P) Mechanism Check
When you are doing this check, your vehicle
could begin to move.
You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in case
it begins to roll.
Be ready to apply the regular
brake at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your
foot on the regular brake, set the
parking brake.
0 To check the parking brake’s holding ability: With
the engine running and transmission in
NEUTRAL
(N), slowly remove foot pressure from
the regular brake pedal.
Do this until the vehicle is
held by the parking brake only.
0 To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK
(P). Then
release all brakes.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials
from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
7-41
ProCarManuals.com

Halogen Bulbs ................................ 6-32
Hazard Warning Flashers
.......................... 5-2
Head Restraints
................................. 1-5
Headlamps
.................................... 2-40
Bulb Replacement
............................ 6-33
HighLow Beam Changer
...................... 2-35
OnReminder
................................ 2-41
Wiring
..................................... 6-61
Hearing Impaired. Customer Assistance
.............. 8-4
Heater Controls
................................. 3-2
Heater/Air Conditioning Controls
................... 3-3
High-Beam Headlamps
.......................... 2-35
Highway Hypnosis
.............................. 4-21
Hill and Mountain Roads
......................... 4-21
Hitches. Trailer
................................. 4-32
Hood Checking Things Under
......................... 6-8
Release ...................................... 6-8
Horn ......................................... 2-33
Hydroplaning
.................................. 4-17
Heating
........................................ 3-6
Prop
........................................ 6-9
Ignition Switch ................................ 2- 17
Inflation. Tire
.................................. 6-42
Inside Daymight Rearview Mirror
................. 2-45
Inspections
.................................... 7-42
Brakesystem
................................ 7-43
Engine Cooling System
........................ 7-42
Exhaust Systems
............................. 7-42
Ignition Transmission Lock
Check
................. 7-41 RearAxle
................................... 7-43
Steering
.................................... 7-42
Suspension
.................................. 7-42
Throttle System
.............................. 7-43
Instrument Cluster
.............................. 2-51
Instrument Panel
............................... 2-50
Brightness Control
............................ 2-40
Cleaning
.................................... 6-53
FuseBlock
.................................. 6-62
Interior Lamps
................................. 2-43
Jack. Tire
.................................... 5-23
Jump Starting
................................... 5-3
Keyless Entry System
........................... 2-6
Keys
.......................................... 2-2
Labels Certification
................................. 4-27
Certificatioflire
............................. 4-27
Service Parts Identification
..................... 6-60
Tire-Loading Information
...................... 4-27
Vehicle Identification Number
................... 6-60
Dome
...................................... 2-43
Exterior
.................................... 2-40
Interior
..................................... 2-43
OnReminder
................................ 2-41
Panel
....................................... 2-40
Underhood
.................................. 2-44
Lamps
9-5
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. -~ ....... -
eaving.Yaur Vehicle with the Engine Running ....... 2-27
ighter
, ...................................... 2-48
ights
I
.
Air Bag Readiness ....................... 1-28. 2-54
Brake System Warning
......................... 2-56
Charging System
............................. 2-54
Check Gages
................................ 2-62
Daytime Running
Lamps Indicator ............... 2-62
Exterior
.................................... 2-40
Interior
..................................... 2-43
Safety Belt Reminder
..................... 1-12. 2-53
Se~~rity 2-61
oadiflg
YOLU Vehicle ........................... 4-27
Anti-Lock Brake System Warning
............ 2-57. 4-7
....................................
.......................... Service Engine Soon 2-58
Locks
......................................... 2-4
Door
........................................ 2-4
Ignition
Transmission Check .................... 7-41 .... .. II . . .:. . i ... ...
..... ................... Power Door * .............. 2-5
Rear Door Security
.. I ..... , ................... 2-5
Sliding
Door Child Security ................. , .. , . 2-6
.. ossofContro1 ..................,............. 4-12
ubricants and Fluids
........................... , 7-44
uhication Service, Body
................... , .... 7-39
'~ .. . .... . _ . ..
Maintenance. NOI-ITMI Replacement parts ........... 6-69
Maintenance Record
............................ 7-46
Maintenance Schedule
............................ 7-1
Long TripMLighway
........................... 7-27
Long Tripmighway Definition
................... 7-6
Long Trip/Highway Intervals
..................... 7-7
Owner Checks and Services ..................... 7-38
Periodic Maintenance Inspections
................ 7-42
Recommended Fluids and Lubricants
............. 7-44
Scheduled Maintenance Services .................. 7-4
Short TripKity
................................ 7-8
Short Trip/City Definition ....................... 7-5
Short TripKity Intervals
........................ 7-5
Maintenance. Underbody
......................... 6-58
Maintenance When Trailer Towing
................. 4-36
Malfunction Indicator Lamp
...................... 2-58
ManualFrontSeat
............................... 1-2
Mirrors ....................................... 2-45
Camper-Type
................................ 2-47
Convex Outside
.............................. 2-46
Inside Daymight Rearview
..................... 2-45
Power Remote Control
......................... 2-45
Visor Vanity
................................. 2-49
MMT ......................................... 6-4
Model Reference
................................. vi
Mountain Roads ................................ 4-21
Multifunction Lever
............................. 2-34
Neutral. Automatic Transmission
................. 2-22
New Vehicle Break-Ii.1 ........................... 2-17
Nightvision
................................... 4-14
Noise Control System
........................... 6-1.1
Normal Maintenance Replacement Parts ............. 6-69
Odometer
.................................... 2-52
Odometer. Trip
................................. 2-52
9-6
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