2007 CADILLAC ESCALADE EXT turn signal

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 qualied 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.
391

Service........................................................ 396
Accessories and Modications................... 397
California Proposition 65 Warning.............. 397
Doing Your Own Service Work.................. 398
Adding Equipment to the Outside of
Your Vehicle.......................................... 399
Fuel............................................................. 399
Gasoline Octane........................................ 399
Gasoline Specications.............................. 399
California Fuel........................................... 400
Additives................................................... 400
Fuels in Foreign Countries........................ 401
Filling the Tank......................................... 402
Filling a Portable Fuel Container............... 404
Checking Things Under the Hood.............. 404
Hood Release........................................... 405
Engine Compartment Overview.................. 406
Engine Oil................................................. 407
Engine Oil Life System.............................. 410
Engine Air Cleaner/Filter............................ 412
Automatic Transmission Fluid.................... 415
Engine Coolant.......................................... 419Coolant Surge Tank Pressure Cap............ 422
Engine Overheating................................... 422
Overheated Engine Protection
Operating Mode..................................... 425
Cooling System......................................... 426
Engine Fan Noise..................................... 431
Power Steering Fluid ................................. 431
Windshield Washer Fluid........................... 432
Brakes...................................................... 433
Battery...................................................... 437
Jump Starting............................................ 438
All-Wheel Drive........................................... 443
Rear Axle.................................................... 444
Front Axle................................................... 446
Headlamp Aiming........................................ 447
Bulb Replacement....................................... 450
High Intensity Discharge (HID) Lighting..... 450
Taillamps, Turn Signal, Sidemarker,
Stoplamps and Back-up Lamps.............. 450
License Plate Lamp................................... 452
Replacement Bulbs................................... 452
Section 5 Service and Appearance Care
393

Bulb Replacement
For the proper type of replacement bulbs, see
Replacement Bulbs on page 452.
For any bulb changing procedure not listed in this
section, contact your dealer.
High Intensity Discharge (HID)
Lighting
{CAUTION:
The low beam high intensity discharge
lighting system operates at a very high
voltage. If you try to service any of the
system components, you could be
seriously injured. Have your dealer or a
qualied technician service them.
Your vehicle has HID headlamps. After your
vehicle’s HID headlamp bulb has been replaced,
you may notice that the beam is a slightly different
shade than it was originally. This is normal.
Taillamps, Turn Signal, Sidemarker,
Stoplamps and Back-up Lamps
To replace one of these bulbs, do the following:
A. Stoplamp/Turn
Signal/Taillamp
B. Stoplamp/Turn
Signal/Taillamp
C. Back-up Lamp
D. Sidemarker Lamp
1. Open the tailgate. SeeTailgate on page 114
for more information.
450

License Plate Lamp
To replace one of these bulbs, do the following:
1. Reach under the rear bumper for the bulb
socket.
2. Turn the bulb socket counterclockwise and
pull the bulb socket out of the connector.3. Pull the old bulb from the bulb socket,
keeping the bulb straight as you pull it out.
4. Install the new bulb.
5. Reverse Steps 1 through 3 to reinstall the
bulb socket.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 7441
License Plate Lamp 168
Sidemarker Lamp 194
Stoplamp/Taillamp/Turn Signal Lamp 3057
For replacement bulbs not listed here, contact
your dealer.
452

6. Remove the valve cap from the valve cap
stem. Activate the TPMS sensor by
increasing or decreasing the tire’s air pressure
for ve seconds, or until a horn chirp
sounds. The horn chirp, which make take up
to 30 seconds to sound, conrms that the
sensor identication code has been matched
to this tire and wheel position. To decrease
air-pressure out of a tire you can use the
pointed end of the valve cap, a pencil-style air
pressure gage, or a key.
7. Proceed to the passenger’s side front tire, and
repeat the procedure in Step 6.
8. Proceed to the passenger’s side rear tire, and
repeat the procedure in Step 6.
9. Proceed to the driver’s side rear tire, and
repeat the procedure in Step 6.10. After hearing the conrming horn chirp for the
driver’s side rear tire, the horn chirp will sound
two more times to signal the tire learning
mode is no longer active. Turn the ignition
switch to LOCK.
11. Set all four tires to the recommended air
pressure level as indicated on the Tire
and Loading Information label.
12. Put the valve caps back on the valve stems
The spare tire does not have a TPMS sensor.
If you replace one of the road tires with the spare,
the SERVICE TIRE MONITOR message will be
displayed on the DIC screen. This message should
go off once you re-install the road tire containing
the TPMS sensor.
466

Instrument Panel Fuse Block
The instrument panel fuse block access door is
located on the driver’s outside edge of the
instrument panel.
Fuses Usage
LT DRDriver’s Side Power Window Circuit
Breaker
REAR SEAT Not Used
AUX PWR2 Rear Cargo Area Power Outlets
SWC BKLT Steering Wheel Controls Backlight
DDM Driver Door Module
CTSYDome Lamps, Driver’s Side Turn
Signal
LT STOP TRN Driver’s Side Turn Signal, Stoplamp
DIM Instrument Panel Back Lighting
RT STOP TRNPassenger’s Side Turn Signal,
Stoplamp
BCM Body Control Module
UNLCK2 Power Door Lock 2 (Unlock Feature)
LCK2 Power Door Lock 2 (Lock Feature)
510

Appearance Care (cont.)
Weatherstrips........................................... 501
Windshield and Wiper Blades................... 503
Wood Panels........................................... 500
Ashtray(s).................................................... 218
Audio System(s).......................................... 267
Audio Steering Wheel Controls................. 316
Care of Your CD and DVD Player............ 318
Care of Your CDs and DVDs................... 318
Chime Level Adjustment........................... 319
Fixed Mast Antenna................................. 318
Navigation/Radio System, see Navigation
Manual................................................. 302
Radio with CD and DVD.......................... 270
Rear Seat Audio (RSA)............................ 313
Setting the Time...................................... 269
Theft-Deterrent Feature............................ 315
Understanding Radio Reception............... 317
XM™ Satellite Radio Antenna System...... 319
Automatic Headlamp System....................... 210
Automatic Transmission
Fluid........................................................ 415
Operation................................................. 129
Autoride
®..................................................... 379
B
Battery........................................................ 437
Run-Down Protection............................... 212
Before Leaving on a Long Trip.................... 362
Brake
Anti-Lock Brake System (ABS)................. 327
Emergencies............................................ 329
Parking.................................................... 136
System Warning Light.............................. 232
Brake Pedal, Throttle................................... 128
Brakes........................................................ 433
Braking....................................................... 326
Braking in Emergencies............................... 329
Break-In, New Vehicle................................. 123
Bulb Replacement....................................... 450
Headlamp Aiming..................................... 447
High Intensity Discharge (HID) Lighting.... 450
License Plate Lamps................................ 452
Replacement Bulbs.................................. 452
Taillamps, Turn Signal, Sidemarker,
Stoplamps, and Back-Up Lamps........... 450
Buying New Tires........................................ 470
566

Security Light.............................................. 240
Service........................................................ 396
Accessories and Modications.................. 397
Adding Equipment to the Outside of
Your Vehicle......................................... 399
California Proposition 65 Warning............. 397
Doing Your Own Work............................. 398
Engine Soon Light................................... 236
Publications Ordering Information............. 562
Servicing Your Airbag-Equipped Vehicle......... 84
Setting the Time.......................................... 269
Sheet Metal Damage................................... 505
Shifting Into Park (P)................................... 138
Shifting Out of Park (P)............................... 140
Shoulder Belt Height Adjuster........................ 30
Signals, Turn and Lane-Change.................. 196
Spare Tire................................................... 495
Installing.................................................. 482
Removing................................................ 478
Storing..................................................... 492Specications, Capacities............................ 518
Speedometer............................................... 227
StabiliTrak
®System..................................... 330
StabiliTrak®Indicator Light........................... 235
Starting Your Engine................................... 126
Steering...................................................... 333
Steering Wheel Controls, Audio................... 316
Steering Wheel, Heated .............................. 195
Steering Wheel, Tilt Wheel.......................... 195
Storage Areas
All-Weather Cargo Area........................... 181
Center Console Storage Area................... 166
Cupholder(s)............................................ 166
Glove Box................................................ 165
Instrument Panel Storage Area................. 166
Luggage Carrier....................................... 166
Rear Seat Armrest................................... 168
Top-Box Storage...................................... 186
Stuck in Sand, Mud, Ice, or Snow............... 370
Sun Visors.................................................. 117
Sunroof....................................................... 187
577