2004 Mercury Grand Marquis high beam

•Optional instrument cluster
Illuminates when the air suspension
is turned OFF, the load limit is
exceeded or the air suspension
system requires servicing.
Low fuel (if equipped):
Illuminates when the fuel level in
the fuel tank is at or near empty
(refer toFuel gaugein this chapter
for more information).
O/D off:
•Standard instrument cluster
•Optional instrument cluster
Illuminates when the overdrive
function of the transmission has
been turned OFF using the
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.CHECK
TRUNK AJAR LTR/100 kmAIR SUSPENSION
OVERDRIVE OFFDOOR
AJAR
LOW
WASHER
FLUID
km
MILES
/GAL
LOW
FUEL
O/D
OFF
CHECK
TRUNK AJAR LTR/100 kmAIR SUSPENSION
OVERDRIVE OFFDOOR
AJAR
LOW
WASHER
FLUID
km
MILES
/GAL
2004 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Instrument Cluster
13

Always remember to turn on your headlamps at dusk or during
inclement weather. The Daytime Running Light (DRL) System
does not activate your tail lamps and generally may not provide
adequate lighting during these conditions. Failure to activate your
headlamps under these conditions may result in a collision.
High beams
Push the lever toward the
instrument panel to activate. Pull
the lever towards you to deactivate.
Flash to pass
Pull toward you slightly to activate
and release to deactivate.
PANEL DIMMER CONTROL
Use to adjust the brightness of the
instrument panel during headlight
and parklamp operation.
•Rotate the thumbwheel from left
to right to brighten the
instrument panel.
•Rotate the thumbwheel from right
to left to dim the instrument
panel.
Domelamp Control
The panel dimmer control also controls the domelamp operation.
•Rotate the thumbwheel fully to the right, past detent to activate the
domelamp.
•In order to turn off the domelamp, rotate the thumbwheel to the left.
2004 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Lights
37

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 on a level surface approximately 7.6 meters (25 feet)
from a vertical wall or screen directly in front of it.
•(1) Eight feet
•(2) Center height of lamp to
ground
•(3) Twenty five feet
•(4) Horizontal reference line
2. Measure the height of the headlamp bulb center from the ground and
mark a 2.5 meter (8 foot) 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.
2004 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Lights
38

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
23 15A EATC module, Instrument cluster,
LCM, Interior lamps, Door lock
switches
24 10A Left-hand low beam
25 20A Cigar lighter
26 10A Right-hand low beam
27 25A LCM for cornering lamps and high
beam headlamps
28 20A* Power windows
29—Not used
30—Not used
31—Not used
32—Not used
* Circuit breaker
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Always disconnect the battery before servicing high current
fuses.
Always replace the cover to the power distribution box before
reconnecting the battery or refilling fluid reservoirs
If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and Specificationschapter.
2004 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
150

recommendations ...................187
refill capacities ........................225
specifications ..................226, 228
Exhaust fumes ..........................127
F
Fail safe cooling ........................195
Floor mats ...................................71
Fluid capacities .........................225
Fuel ............................................196
calculating fuel
economy ............................52, 201
cap ...........................................198
capacity ...................................225
choosing the right fuel ...........199
comparisons with EPA fuel
economy estimates .................204
detergent in fuel .....................200
filling your vehicle
with fuel ..................196, 198, 201
filter, specifications ........201, 224
fuel pump shut-off switch .....145
improving fuel economy ........201
octane rating ...................200, 228
quality ......................................200
running out of fuel .................200
safety information relating to
automotive fuels .....................196
Fuses ..................................146–147
G
Garage Door Opener
(see Homelink wireless control
system) ........................................63
Gas cap (see Fuel cap) ............198
Gas mileage
(see Fuel economy) .................201
Gauges .........................................15H
Hazard flashers .........................145
Head restraints ...........................86
Headlamps ...................................36
aiming ........................................38
autolamp system .......................36
bulb specifications ....................40
daytime running lights .............36
flash to pass ..............................37
high beam .................................37
replacing bulbs .........................41
turning on and off ....................36
Heating
heating and air conditioning
system .................................32–33
HomeLink universal
transceiver (see
Garage door opener) ............53, 66
Homelink wireless control
system ..........................................63
Hood ..........................................182
I
Ignition ...............................123, 228
Infant seats
(see Safety seats) .....................114
Inspection/maintenance
(I/M) testing ..............................206
Instrument panel
cleaning ...................................178
cluster ........................................10
lighting up panel
and interior ...............................37
J
Jack ............................................153
Index
237