2004 CADILLAC ESCALADE EXT trailer

Fuses Usage
4WD Four-Wheel Drive System
HTR A/C Climate Control System
LOCKPower Door Lock Relay
(Lock Function)
HVAC 1Inside Rearview Mirror, Climate
Control System
L DOORDriver's Door Harness
Connection
CRUISE Cruise Control
UNLOCKPower Door Lock Relay
(Unlock Function)
RR FOG LP Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
DRIVER UNLOCKPower Door Lock Relay
(Driver's Door Unlock Function)
IGN 0 PCM, TCM
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop TrailerFuses Usage
LT TRNLeft Turn Signals and
Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
Body Harness Connector
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
Sidemarkers
DDM Driver Door Module
AUX PWR 2Rear Cargo Area Power
Outlets
LOCKS Power Door Lock System
ECCRear Electronic Climate
Control, Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Window Circuit
Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-113

Center Instrument Panel Fuse Block
The center instrument panel utility block is located
underneath the instrument panel, to the left of the
steering column.
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Up®tter (Not Used)
SL RIDERide Control Harness
Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEATDriver and Passenger Seat
Module Circuit Breaker
CB RT DOORRight Power Window Circuit
Breaker
SPARE Not Used
INFO Infotainment Harness Connection
5-114

*1Ð Gasoline Engine and Fuel Injection Rail #2.
*2Ð Gasoline Engine and Fuel Injection Rail #1.
*3Ð Gasoline Engine; Oxygen Sensors.
*4Ð Gasoline Engine; Oxygen Sensors.
*5Ð PCM Ignition
Fuses Usage
GLOW PLUG Not Used
CUST FEED Accessory Power
STUD #1 Auxiliary Power
MBECMid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLOWER Front Climate Control Fan
LBECLeft Bussed Electrical Center,
Door Modules, Door Locks,
Auxiliary Power Outlet - Rear
Cargo Area and Instrument
Panel
STUD 2Accessory Power/Trailer Wiring
Brake Feed
Fuses Usage
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKRight Rear Parking and
Sidemarker Lamps
LR PARKLeft Rear Parking and
Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller
Battery Feed
SUNROOF Sunroof
5-117

Fuses Usage
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Rear Climate Control
AUX PWRAuxiliary Power
Outlet - Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
INJ 1Ignition Coil, Fuel
Injectors - Bank 1
INJ 2Ignition Coil, Fuel
Injectors - Bank 2
IGN EInstrument Panel Cluster,
Air Conditioning Relay,
Turn Signal/Hazard Switch,
Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer WiringFuses Usage
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
O2A Oxygen Sensors
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock Control
System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
O2B Oxygen Sensors
SIRSupplemental In¯atable Restraint
System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP - LT High Beam Headlamp - Left
5-118

(g)Inspect system. Check all fuel and vapor lines and
hoses for proper hook-up, routing and condition.
Check that the purge valve works properly (if equipped).
Replace as needed.
(h)Change automatic transmission ¯uid and ®lter if the
vehicle is mainly driven under one or more of these
conditions:
þIn heavy city traffic where the outside temperature
regularly reaches 90ÉF (32ÉC) or higher.
þIn hilly or mountainous terrain.
þWhen doing frequent trailer towing.
þUses such as found in taxi, police or delivery
service.
(i)Drain, ¯ush and re®ll cooling system. See Engine
Coolant on page 5-22for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and ®ller neck.
Pressure test the cooling system and pressure cap.
(j)
A ¯uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the ¯uid level checked. Add ¯uid if needed.
Owner Checks and Services
These owner checks and services should be performed
at the intervals speci®ed to help ensure the safety,
dependability and emission control performance of your
vehicle. Your GM Goodwrench dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any ¯uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in
Recommended Fluids and Lubricants on page 6-13.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ®ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-11for further
details.
Notice:It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
6-9

Driving On Grades..........................................4-63
Driving on Off-Road Hills.................................4-22
Driving on Snow or Ice....................................4-41
Driving Through Deep Standing Water...............4-34
Driving Through Flowing Water.........................4-34
Driving Uphill..................................................4-23
Driving with a Trailer.......................................4-61
DVD
Cleaning the Video Screen..........................3-102
Distortion....................................................3-99
Rear Seat Entertainment System...................3-83
DVD Player....................................................3-83
E
Easy Exit Seat...............................................2-74
Electrical System
Add-On Equipment.....................................5-111
Fuses and Circuit Breakers.........................5-111
Power Windows and Other Power
Options.................................................5-111
Windshield Wiper Fuses.............................5-111
Emissions Inspection and Maintenance
Programs...................................................3-46Engine
Air Cleaner/Filter.........................................5-16
Battery.......................................................5-41
Check and Service Engine Soon Light............3-44
Coolant......................................................5-22
Coolant Heater............................................2-32
Coolant Temperature Gage...........................3-42
Engine Compartment Overview......................5-10
Exhaust.....................................................2-41
Fan Noise..................................................5-34
Oil .............................................................5-11
Overheating................................................5-26
Starting......................................................2-31
ENGINE COOLANT HOT.................................3-61
Engine Oil Additives........................................5-14
ENGINE OVERHEATED..................................3-61
Entertainment System
Cleaning the Video Screen..........................3-102
DVD Distortion............................................3-99
Entry Lighting.................................................3-19
Environmental Concerns..................................4-19
Erasing HomeLink
žButtons..............................2-53
Event Data Records (EDR)................................ 7-8
Exit Lighting...................................................3-19
Extender, Safety Belt.......................................1-27
Exterior Lamps...............................................3-15
6

H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp
Aiming.......................................................5-51
Horizontal Aiming.........................................5-52
Vertical Aiming............................................5-53
Headlamp High/Low-Beam Changer.................... 3-9
Headlamps....................................................5-56
Bulb Replacement.......................................5-55
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-60
Halogen Bulbs............................................5-55
High Intensity Discharge (HID) Lighting...........5-55
Headphones...................................................3-89
Heated Seats................................................... 1-3
Heating.........................................................3-30
Highway Hypnosis...........................................4-38
Hill and Mountain Roads..................................4-38
Hitches..........................................................4-60
HomeLink
žTransmitter....................................2-50
HomeLinkžTransmitter, Programming................2-50
Hood
Checking Things Under.................................. 5-8
Release....................................................... 5-9
Horn............................................................... 3-7
How the System Works...................................3-22
How to Add Coolant to the Coolant
Surge Tank.................................................5-30How to Add Fluid............................................5-21
How to Check........................................5-19, 5-71
How to Check Lubricant...................................5-49
How to Check Power Steering Fluid..................5-36
How to Inspect...............................................5-17
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-14
Hydroplaning..................................................4-34
I
If No Steam Is Coming From Your Engine..........5-27
If Steam Is Coming From Your Engine...............5-26
If the Light is Flashing.....................................3-45
If the Light Is On Steady.................................3-45
If You Are Caught in a Blizzard.........................4-42
If You Are Stuck in Sand, Mud, Ice or Snow.......4-44
If You Do Decide To Pull A Trailer.....................4-56
Ignition Positions.............................................2-30
Illuminated Visor Vanity Mirrors.........................2-27
Infants and Young Children, Restraints...............1-30
In¯ation - Tire Pressure...................................5-71
Instrument Panel
Cluster.......................................................3-34
Overview..................................................... 3-4
Instrument Panel Brightness.............................3-19
Instrument Panel Fuse Block..........................5-112
Interior Lamps................................................3-19
8

M
Maintenance and Cleaning...............................2-67
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month................................6-10
At Least Once a Year..................................6-10
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-8
Maintenance Record....................................6-16
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-15
Owner Checks and Services........................... 6-9
Recommended Fluids and Lubricants.............6-13
Scheduled Maintenance................................. 6-4
Using Your................................................... 6-3
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-64
Making Turns.................................................4-62
Malfunction Indicator Light................................3-44
Matching Transmitter(s) to Your Vehicle............... 2-6
Memory Seat.................................................2-73Message
DIC Warnings and Messages........................3-60
Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands) ± Customer Assistance....................... 7-4
Midgate.........................................................2-13
Midgate Drain Grate Removal and Cleaning.......2-70
Midgate Operation...........................................2-14
Mirrors
Automatic Dimming Rearview with OnStar
ž,
Compass and Temperature Display.............2-43
Outside Automatic Dimming Mirror with Curb
View Assist.............................................2-47
Outside Convex Mirror.................................2-46
Outside Heated Mirrors................................2-47
Outside Power Mirrors..................................2-45
MyGMLink.com................................................ 7-3
N
Navigation/Radio System..................................3-82
New Vehicle Break-In......................................2-29
Normal Maintenance Replacement Parts............6-15
10