Cadillac Escalade EXT - 2008 Fuse Box Diagram

Cadillac Escalade EXT - 2008 Fuse Box Diagram

PASS-Key
®
III+ Operation
Your vehicle has PASS-Key
®
III+ (Personalized
Automotive Security System) theft-deterrent system.
PASS-Key
®
III+ is a passive theft-deterrent system.
The system is automatically armed when the key
is removed from the ignition.
The system is automatically disarmed when the key
is turned to ON/RUN, ACC/ACCESSORY or START
from the LOCK/OFF position.
You do not have to manually arm or disarm the system.
The security light will come on if there is a problem
with arming or disarming the theft-deterrent system.
When the PASS-Key
®
III+ system senses that someone
is using the wrong key, it prevents the vehicle from
starting. Anyone using a trial-and-error method to start
the vehicle will be discouraged because of the high
number of electrical key codes.
If the engine does not start and the security light on
the instrument panel cluster comes on when trying to
start the vehicle, there may be a problem with your
theft-deterrent system. Turn the ignition off and try again.
If the engine still does not start, and the key appears
to be undamaged, try another ignition key. At this time,
you may also want to check the fuse, see
Fuses
and Circuit Breakers on page 5-107
. If the engine still
does not start with the other key, your vehicle needs
service. If your vehicle does start, the first key may
be faulty. See your dealer/retailer who can service
the PASS-Key
®
III+ to have a new key made.
In an emergency, contact Roadside Assistance.
It is possible for the PASS-Key
®
III+ decoder to learn
the transponder value of a new or replacement key.
Up to 10 keys may be programmed for the vehicle.
The following procedure is for programming additional
keys only. If all the currently programmed keys are
lost or do not operate, you must see your dealer/retailer
or a locksmith who can service PASS-Key
®
III+ to
have keys made and programmed to the system.
See your dealer/retailer or a locksmith who can service
PASS-Key
®
III+ to get a new key blank that is cut
exactly as the ignition key that operates the system.
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.
To signal a lane change, raise or lower the lever for
less than one second until the arrow starts to flash.
This will cause the turn signals to automatically
flash three times. It will flash six times if the tow-haul
mode is active. Holding the turn signal lever for
more than one second will cause the turn signals to
flash until you release the lever. The lever will return
by itself when it is released.
An arrow on the instrument
panel cluster will flash
in the direction of the
turn or lane change.
As you signal a turn or a lane change, if the arrows
flash more quickly than normal, a signal bulb may
be burned out and other drivers will not see your
turn signal.
If a bulb is burned out, replace it to help avoid an
accident. If the arrows do not go on at all when you
signal a turn, check for burned-out bulbs and a blown
fuse. See
Instrument Panel Fuse Block on page 5-108
and
Underhood Fuse Block on page 5-111
.
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 and the message TURN SIGNAL ON will
also appear in the DIC. See
DIC Warnings and Messages
on page 3-50
. To turn the chime and message off, move
the turn signal lever to the off position.
3-8
Accessory Power Outlet(s)
Accessory power outlets can be used to connect
auxiliary electrical equipment, such as a cellular
telephone or CB radio.
One accessory power outlet is located inside the center
floor console. Lift up on the lower latch located at the
front of the console lid to access the accessory
power outlet.
There may also be an accessory power outlet located on
the rear of the center floor console above the cupholder.
To use an accessory power outlet, remove the
protective cap. When not in use, always cover the
accessory power outlet with the protective cap.
Do not try to put the cigarette lighter in any of the
accessory power outlets.
Notice:
If electrical devices are left plugged into a
power outlet, the battery may drain causing your
vehicle not to start or damage to the battery. This
would not be covered by the warranty. Always unplug
all electrical devices when turning off your vehicle.
Certain electrical accessories may not be compatible
with the accessory power outlet and could result
in blown vehicle or adapter fuses. If you experience
a problem see your dealer/retailer for additional
information on accessory power outlets.
The accessory power outlets are powered, even
when the ignition is in LOCK/OFF. Continuing to use
power outlets while the ignition is in LOCK/OFF
may cause the vehicle’s battery to run down.
Notice:
Adding any electrical equipment to your
vehicle may damage it or keep other components
from working as they should. The repairs would
not be covered by your warranty. Do not use
equipment exceeding maximum amperage rating
of 20 amperes. Check with your dealer/retailer
before adding electrical equipment.
When adding electrical equipment, be sure to follow
the proper installation instructions included with
the electrical equipment you install.
Notice:
Improper use of the power outlet can
cause damage not covered by your warranty.
Do not hang any type of accessory or accessory
bracket from the plug because the power outlets
are designed for accessory power plugs only.
3-22
Ashtray(s) and Cigarette Lighter
The front ashtray and cigarette lighter are located in
the center console near the cupholders, if the vehicle
has them. Press on the access door to open it and
use the ashtray and lighter.
Notice:
If you put papers, pins, or other flammable
items in the ashtray, hot cigarettes or other
smoking materials could ignite them and possibly
damage your vehicle. Never put flammable items
in the ashtray.
To remove the ashtray, pull it from the center console.
Slide it back in and push down to be sure it is secure.
To use the cigarette lighter, push it in all the way, and
let go. When it is ready, it will pop back out by itself.
Notice:
Holding a cigarette lighter in while it
is heating does not let the lighter back away from
the heating element when it is hot. Damage from
overheating can occur to the lighter or heating
element, or a fuse could be blown. Do not hold
a cigarette lighter in while it is heating.
Analog Clock
The analog clock is located on the instrument panel
above the radio. The clock is not connected with any
other vehicle system and runs by itself. To adjust
the clock:
1. The adjustment button is located in the lower
left corner of the clock.
2. Push and hold the adjustment button to advance
the clock hands. Holding the button down will
cause the clock to advance faster. Release the
button before reaching the desired time.
3. Push and release the button to increase the time
by one minute increments until the desired time
is reached.
3-23
Trailer Wiring Harness
Heavy-Duty Trailer Wiring Package
Your vehicle is equipped with the seven-wire trailer
towing harness. This harness with a seven-pin universal
heavy-duty trailer connector is attached to the rear
bumper beam. It is located next to the integrated
trailer hitch.
The seven-wire harness contains the following trailer
circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Taillamps
White: Ground
Light Green: Back-up Lamps
Red w/ Black Stripe: Battery Feed*
Dark Blue: Trailer Brake*
*The fuses for these two circuits are installed in the
underhood electrical center, but the wires are not
connected. They should be connected by your dealer or
a qualified service technician.
If you are charging a remote (non-vehicle) battery, press
the tow/haul mode button located at the end of the shift
lever. This will boost the vehicle system voltage and
properly charge the battery.
4-54
A. Engine Air Cleaner/Filter. See
Engine Air
Cleaner/Filter on page 5-17
.
B. Air Filter Restriction Indicator (If Equipped). See
Engine Air Cleaner/Filter on page 5-17
.
C. Coolant Surge Tank and Pressure Cap. See
Cooling
System on page 5-29
and
Coolant Surge Tank
Pressure Cap on page 5-26
.
D. Remote Positive (+) Terminal. See
Jump Starting
on page 5-40
.
E. Battery. See
Battery on page 5-39
.
F. Engine Oil Fill Cap. See “When to Add Engine Oil”
under
Engine Oil on page 5-13
.
G. Automatic Transmission Dipstick (Out of View).
See “Checking the Fluid Level” under
Automatic
Transmission Fluid on page 5-20
.
H. Remote Negative (
) Terminal (GND) (Out of View).
See
Jump Starting on page 5-40
.
I. Engine Oil Dipstick (Out of View). See “Checking
Engine Oil” under
Engine Oil on page 5-13
.
J. Engine Cooling Fan (Out of View). See
Cooling
System on page 5-29
.
K. Power Steering Fluid Reservoir (Out of View).
See
Power Steering Fluid on page 5-34
.
L. Brake Master Cylinder Reservoir. See “Brake Fluid”
under
Brakes on page 5-36
.
M. Underhood Fuse Block. See
Underhood Fuse Block
on page 5-111
.
N. Windshield Washer Fluid Reservoir. See “Adding
Washer Fluid” under
Windshield Washer Fluid
on page 5-35
.
Engine Oil
Checking Engine Oil
It is a good idea to check the engine oil every time you
get fuel. In order to get an accurate reading, the oil
must be warm and the vehicle must be on level ground.
The engine oil dipstick handle is a yellow loop. See
Engine Compartment Overview on page 5-12
for
the location of the engine oil dipstick.
1. Turn off the engine and give the oil several minutes
to drain back into the oil pan. If you do not do this,
the oil dipstick might not show the actual level.
2. Pull out the dipstick and clean it with a paper towel
or cloth, then push it back in all the way. Remove it
again, keeping the tip down, and check the level.
5-13
Electrical System
Add-On Electrical Equipment
Notice:
Do not add anything electrical to your
vehicle unless you check with your dealer/retailer
first. Some electrical equipment can damage
your vehicle and the damage would not be covered
by your warranty. Some add-on electrical equipment
can keep other components from working as they
should.
Add-on equipment can drain your vehicle’s battery,
even if your vehicle is not operating.
Your vehicle has an airbag system. Before attempting
to add anything electrical to your vehicle, see
Servicing
Your Airbag-Equipped Vehicle on page 1-70
.
Windshield Wiper Fuses
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,
have it fixed.
Power Windows and Other
Power Options
Circuit breakers protect the power windows and other
power accessories. If the current load is too heavy,
the circuit breaker opens and then closes after a cool
down period, 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, circuit breakers
and fusible thermal links. 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.
5-107
Instrument Panel Fuse Block
The instrument panel
fuse block access
door is located on
the driver side edge of
the instrument panel.
Pull off the cover to access the fuse block.
Fuses
Usage
1
Rear Seats
2
Rear Accessory Power Outlet
3
Steering Wheel Controls Backlight
4
Driver Door Module
5
Dome Lamps, Driver Side
Turn Signal
6
Driver Side Turn Signal, Stoplamp
5-108
Fuses
Usage
7
Instrument Panel Back Lighting
8
Passenger Side Turn Signal,
Stoplamp
9
Passenger Door Module,
Universal Home Remote System
10
Power Door Lock 2 (Unlock Feature)
11
Power Door Lock 2 (Lock Feature)
12
Stoplamps, Center-High
Mounted Stoplamp
13
Rear Climate Controls
14
Power Mirror
15
Body Control Module (BCM)
16
Accessory Power Outlets
17
Interior Lamps
18
Power Door Lock 1 (Unlock Feature)
19
Rear Seat Entertainment
20
Ultrasonic Rear Parking Assist
Fuses
Usage
21
Power Door Lock 1 (Lock Feature)
22
Driver Information Center (DIC)
23
Not Used
24
Not Used
25
Driver Seat Module,
Remote Keyless Entry System
26
Driver Power Door Lock
(Unlock Feature)
Circuit Breaker
Usage
LT DR
Driver Side Power Window
Circuit Breaker
Harness
Connector
Usage
LT DR
Driver Door Harness Connection
BODY
Harness Connector
BODY
Harness Connector
5-109
Center Instrument Panel Fuse Block
The center instrument panel fuse block is located
underneath the instrument panel, to the left of the
steering column.
Top View
Harness
Connector
Usage
BODY 2
Body Harness Connector 2
BODY 1
Body Harness Connector 1
Harness
Connector
Usage
BODY 3
Body Harness Connector 3
HEADLINER 3
Headliner Harness Connector 3
HEADLINER 2
Headliner Harness Connector 2
HEADLINER 1
Headliner Harness Connector 1
SEO/UPFITTER
Special Equipment Option Upfitter
Harness Connector
Circuit
Breaker
Usage
CB1
Passenger Side Power Window
Circuit Breaker
CB2
Passenger Seat Circuit Breaker
CB3
Driver Seat Circuit Breaker
CB4
Rear Sliding Window
5-110
Underhood Fuse Block
The underhood fuse block is located in the engine
compartment, on the driver side of the vehicle.
To access the fuse/relay block, push in on the tabs
on the end of the fuse/relay block cover and lift.
Notice:
Spilling liquid on any electrical components
on your vehicle may damage it. Always keep the
covers on any electrical component.
To remove fuses, hold the end of the fuse between
your thumb and index finger and pull straight out.
Fuses
Usage
1
Right Trailer Stop/Turn Lamp
2
Electronic Stability Suspension
Control, Automatic Level Control
Exhaust
3
Left Trailer Stop/Turn Lamp
4
Engine Controls
5-111
Fuses
Usage
5
Engine Control Module,
Throttle Control
6
Trailer Brake Controller
7
Front Washer
8
Oxygen Sensors
9
Antilock Brakes System 2
10
Trailer Back-up Lamps
11
Driver Side Low-Beam Headlamp
12
Engine Control Module (Battery)
13
Fuel Injectors, Ignition Coils
(Right Side)
14
Transmission Control Module
(Battery)
15
Vehicle Back-up Lamps
16
Passenger Side Low-Beam
Headlamp
17
Air Conditioning Compressor
18
Oxygen Sensors
19
Transmission Controls (Ignition)
20
Fuel Pump
Fuses
Usage
21
Fuel System Control Module
22
Headlamp Washers
23
Rear Windshield Washer
24
Fuel Injectors, Ignition Coils
(Left Side)
25
Trailer Park Lamps
26
Driver Side Park Lamps
27
Passenger Side Park Lamps
28
Fog Lamps
29
Horn
30
Passenger Side High-Beam
Headlamp
31
Daytime Running Lamps
32
Driver Side High-Beam Headlamp
33
Daytime Running Lights 2
34
Sunroof
35
Key Ignition System,
Theft Deterrent System
36
Windshield Wiper
5-112
Fuses
Usage
37
SEO B2 Upfitter Usage (Battery)
38
Electric Adjustable Pedals
39
Climate Controls (Battery)
40
Airbag System (Ignition)
41
Amplifier
42
Audio System
43
Miscellaneous (Ignition),
Cruise Control
44
Liftgate Release
45
Airbag System (Battery)
46
Instrument Panel Cluster
47
Power Take-Off
48
Auxiliary Climate Control (Ignition),
Compass-Temperature Mirror
49
Center High-Mounted Stoplamp
(CHMSL)
50
Rear Defogger
51
Heated Mirror
Fuses
Usage
52
SEO B1 Upfitter Usage (Battery)
53
Cigarette Lighter,
Auxiliary Power Outlet
54
Automatic Level Control Compressor
Relay, SEO Upfitter Usage
55
Climate Controls (Ignition)
56
Engine Control Module,
Secondary Fuel Pump (Ignition)
J-Case Fuses
Usage
57
Cooling Fan 1
58
Automatic Level Control Compressor
59
Heavy Duty Antilock Brake System
60
Cooling Fan 2
61
Antilock Brake System 1
62
Starter
63
Stud 2 (Trailer Brakes)
64
Left Bussed Electrical Center 1
5-113
J-Case Fuses
Usage
65
Electric Running Boards
66
Heated Windshield Washer System
67
Four-Wheel Drive System
68
Stud 1 (Trailer Connector
Battery Power)
69
Mid-Bussed Electrical Center 1
70
Climate Control Blower
71
Power Liftgate Module
72
Left Bussed Electrical Center 2
Relays
Usage
FAN HI
Cooling Fan High Speed
FAN LO
Cooling Fan Low Speed
Relays
Usage
ENG EXH VLV
Not Used
FAN CNTRL
Cooling Fan Control
HDLP LO/HID
Hi Intensity Discharge Headlamp
FOG LAMP
Front Fog Lamps
A/C CMPRSR
Air Conditioning Compressor
STRTR
Starter
PWR/TRN
Powertrain
FUEL PMP
Fuel Pump
PRK LAMP
Parking Lamps
REAR DEFOG
Rear Defogger
RUN/CRANK
Switched Power
5-114