2005 Mercury Grand Marquis low beam

transmission control switch (TCS), refer to theDrivingchapter. If the
light flashes steadily, have the system serviced immediately.
Turn signal:Illuminates when the
left or right turn signal or the
hazard lights are turned on. If the
indicators stay on or flash faster, check for a burned out bulb.
High beams:Illuminates when the
high beam headlamps are turned on.
MESSAGE CENTER INDICATOR LIGHTS (IF EQUIPPED)
Speed control:Illuminates when
the speed control is activated. Turns
off when the speed control system
is deactivated.
Door ajar:Illuminates when one of
the doors is not completely shut and
the ignition is turned to ON. With
the ignition ON, this light will flash
six times (if a door is open). With
the ignition in RUN position, a tone
will sound for one second (if a door
is open).
Low washer fluid:Momentarily
illuminates when the ignition is
turned to ON and will stay on when
the windshield washer fluid is low.
Trunk ajar:If the trunk is not
completely closed, this light comes
on when you turn the ignition to
ON. With the ignition ON, this light
will flash five times and sound a
tone for one second, then the light
remains on (if the trunk is open).
Headlamps on warning chime:Sounds when the headlamps or parking
lamps are on, the ignition is off (the key is not in the ignition) and the
driver’s door is opened.
SPEED CONTROL
CHECK
TRUNK AJAR LTR/100 kmAIR SUSPENSION
OVERDRIVE OFFDOOR
AJAR
LOW
WASHER
FLUID
km
MILES
/GAL
CHECK
TRUNK AJAR LTR/100 kmAIR SUSPENSION
OVERDRIVE OFFDOOR
AJAR
LOW
WASHER
FLUID
km
MILES
/GAL
CHECK
TRUNK AJAR LTR/100 kmAIR SUSPENSION
OVERDRIVE OFFDOOR
AJAR
LOW
WASHER
FLUID
km
MILES
/GAL
2005 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Instrument Cluster
14

HEADLAMP CONTROL
Turns the lamps off.
Turns on the parking
lamps, instrument panel lamps,
license plate lamps and tail lamps.
Turns the headlamps on.
Autolamp control
The autolamp system provides light
sensitive automatic on-off control of
the exterior lights normally
controlled by the headlamp control.
The autolamp system also keeps the
lights on for a predetermined period
of time after the ignition switch is
turned to OFF.
•To turn autolamps on, rotate the
control counterclockwise to the
next position from OFF.
•To turn autolamps off, rotate the control clockwise past OFF to the
parking lamp position
, then back to OFF.
The headlamps will turn on under the following conditions:
1. Headlamp switch is turned to the “headlamps on position”.
2. With the ignition in ON or START, wipers turned on and the headlamp
switch in the autolamp position.
Daytime running lamps (DRL) (if equipped)
Turns the lowbeam headlamps on with a reduced output. To activate:
•the key must be in the ON position,
•the parking brake released, and
•the headlamp control is in the OFF or Parking lamps position.
2005 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
38

•In order to turn off the domelamp, rotate the thumbwheel to the left.
AIMING THE HEADLAMPS
The headlamps on your vehicle are properly aimed at the assembly plant.
If your vehicle has been in an accident the alignment of your headlamps
should be checked by a qualified service technician.
Vertical aim adjustment
1. Park the vehicle directly in front of a wall or screen on a level surface,
approximately 25 feet (7.6 meters) away.
•(1) 8 feet (2.4 meters)
•(2) Center height of lamp to
ground
•(3) 25 feet (7.6 meters)
•(4) Horizontal reference line
2. Measure the height of the
headlamp bulb center from the
ground and mark an 8 foot (2.4
meter) horizontal reference line on
the vertical wall or screen at this
height (a piece of masking tape works well).
3. Turn on the low beam headlamps to illuminate the wall or screen and
open the hood.
4. On the wall or screen you will
observe an area of high intensity
light. The top of the high intensity
area should touch the horizontal
reference line, if not, the beam will
need to be adjusted.
2005 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
40

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
8 10A Ignition (ON) - Rear Air
Suspension Module (RASM),
Variable Assist Power Steering
(VAPS)
9 20A LCM (Headlamps, Cornering
lamps)
10 5A Ignition (ON/START) - Driver’s
Door Module (DDM)
11 10A Ignition (START) - ON/ACC relay
coil
12 10A Ignition (ON/START) - Starter
relay coil
13 10A Ignition (START) - Wiper module
14 10A Ignition (ON) - BTSI (Floor-shift
transmission)
15 7.5A Ignition (START) - LCM, Door
lock switch illumination, Heated
seat switch illumination,
Moonroof, Overhead console,
Electrochromatic mirror
16 15A Ignition (ON) - Turn signals
17 10A Ignition (START) - Audio
18 10A Ignition (ON) - A/C mode switch
(vehicles equipped with manual
A/C), Blend door, DDM, Heated
seat modules, Daytime Running
Lamps (DRL) module
19 10A Left-hand low beam, DRL
20 10A Ignition (ON/ACC) - Back-up
lamps
21 10A Right-hand low beam, DRL
22 10A Ignition (ON/ACC) - Restraint
Control Module (RCM), Occupant
Classification Sensor (OCS),
Passenger Air bag Deactivation
Indicator (PADI)
2005 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
185