Mercury Grand Marquis (2011 year). Manual — part 13
FUSES AND RELAYS
Fuses
If electrical components in the
vehicle are not working, a fuse may
have blown. Blown fuses are
identified by a broken wire within
the fuse. Check the appropriate
fuses before replacing any electrical
components.
Note: Always replace a fuse with one that has the specified amperage
rating. Using a fuse with a higher amperage rating can cause severe wire
damage and could start a fire.
Standard fuse amperage rating and color
COLOR
Fuse
rating
Mini
fuses
Standard
fuses
Maxi
fuses
Cartridge
maxi
fuses
Fuse link
cartridge
2A
Grey
Grey
—
—
—
3A
Violet
Violet
—
—
—
4A
Pink
Pink
—
—
—
5A
Tan
Tan
—
—
—
7.5A
Brown
Brown
—
—
—
10A
Red
Red
—
—
—
15A
Blue
Blue
—
—
—
20A
Yellow
Yellow
Yellow
Blue
Blue
25A
Natural
Natural
—
Natural
Natural
30A
Green
Green
Green
Pink
Pink
40A
—
—
Orange
Green
Green
50A
—
—
Red
Red
Red
60A
—
—
Blue
Yellow
Yellow
70A
—
—
Tan
—
Brown
80A
—
—
Natural
Black
Black
Passenger compartment fuse panel
The fuse panel is located below and to the left of the steering wheel by
the brake pedal. Remove the panel cover to access the fuses.
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To remove a fuse use the fuse puller tool provided on the fuse panel
cover.
The fuses are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
1
10A
Ignition (START) - Starter relay
coil, DTRS
2
7.5A
Power mirrors, Mirror switch,
Keypad switch, Decklid switch,
Adjustable pedal switch, Driver’s
door module, Cluster
3
5A
Ignition (START) - Audio mute,
Police power distribution box
(PDB) (Police vehicles only)
4
10A
Lighting control module (LCM)
(switch illumination), Autolamp
sensor
5
7.5A
Ignition (ON/ACC) - LCM
6
7.5A
LCM
7
10A
Ignition (ON/ACC) - Wiper module
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Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
8
10A
Electronic automatic temperature
control (EATC) module (vehicles
equipped with EATC only)
9
7.5A
Ignition (ON/ACC) - Door lock
switch illumination, Heated seat
switch illumination, Radio, Antenna,
Electrochromatic mirror, Window
relay coil, Decklid relay coil and
Police ON/ACC relay coil (Police
vehicles only)
10
15A
Hazards (non-Police vehicles only)
20A
Hazards (Police vehicles only)
11
15A
Ignition (ON) - Turn signals
12
15A
Audio
13
10A
Ignition (ON) - rear air suspension
module (RASM), Cluster
14
15A
Taxi, Adjustable pedals
15
10A
Ignition (ON) - EATC module, A/C
mode switch (vehicles equipped
with manual A/C only), A/C blower
relay coil
16
20A
On-board diagnostics (OBD II)
17
10A
Ignition (ON) - A/C mode switch
(vehicles equipped with manual
A/C), Blend door, Heated seat
modules
18
15A
LCM (interior lighting)
19
10A
LCM (Left-hand low beam)
20
10A
Ignition (ON/START) - Back-up
lamps, Anti-lock brake system
(ABS)
21
10A
LCM (Right-hand low beam)
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Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
22
10A
Ignition (ON/START) - Restraint
control module (RCM), Occupant
classification sensor (OCS),
Passenger airbag deactivation
indicator (PADI)
23
15A
Multi-function switch
(Flash-to-pass), LCM (High beams)
24
10A
Ignition (ON/START) - Passive
anti-theft system (PATS) module,
Powertrain control module (PCM)
relay coil, Fuel relay coil, Ignition
relay coil
25
15A
LCM (Park lamps, corner lamps,
license lamps)
26
10A
Ignition (ON/START) - Cluster,
LCM, Overdrive cancel switch,
Traction control switch
27
—
Not used
28
7.5A
Brake signal, LCM (brake
transmission shift interlock), ABS
29
2A
Hazard in (Police vehicles only)
30
2A
Battery saver (Police vehicles only)
31
5A
Key in (LCM)
32
2A
Hazard out (Police vehicles only)
33
10A
Fire suppression module (if
equipped) (Police vehicles only)
K101
Full ISO relay
Window relay, Decklid (Police
vehicles only)
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.
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WARNING: Always disconnect the battery before servicing high
current fuses.
WARNING: To reduce risk of electrical shock, 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
Battery section of the Maintenance and Specifications chapter.
The high-current fuses are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
1
30A*
Ignition switch
2
20A*
Spot lights (Police vehicles only)
3
10A*
Powertrain control module (PCM)
– keep alive power, Canister vent
4
20A*
Fuel relay feed
5
10A*
Rear air suspension module
(RASM)
503
502
501
24
23
20
19
22
21
302
303
304
301
207
201
202
203
204
209
206
208
205
602
118
114
110
106
102
117
113
109
105
101
116
112
108
104
115
111
107
103
18
16
14
12
10
8
6
4
2
17
15
13
11
9
7
5
3
1
601
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Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
6
15A*
Alternator regulator
7
30A*
PCM relay feed
8
20A*
Driver’s door module (DDM)
9
15A*
Ignition coil relay feed
10
20A*
Horn relay feed
11
15A*
A/C clutch relay feed
12
20A*
Audio (Subwoofer)
25A*
Police tray lamps (Police vehicles
only)
13
20A*
Instrument panel power point
14
20A*
Stop lamp switch
15
15A*
Fog lamps (Grand Marquis only),
Police accessory battery feed 1
(Police vehicles only)
16
20A*
Heated seats (Grand Marquis
only), Police accessory battery
feed 2 (Police vehicles only)
17
10A*
Commercial R/A (Crown Victoria
only)
18
10A*
Commercial R/A (Crown Victoria
only)
19
15A*
Injectors
20
15A*
PCM
21
15A*
Powertrain loads and sensors
22
20A*
Police power distribution box
(PDB) outputs (Police vehicles
only)
23
20A*
Police PDB outputs (Police
vehicles only)
24
10A*
Heated mirrors, Rear defrost
indicator
101
40A**
Blower relay feed
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Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
102
50A**
Cooling fan
103
50A**
Instrument panel (I/P) fuse box
feed #1, I/P fuses 10, 12, 14, 16
and 18
104
50A**
Instrument panel (I/P) fuse box
feed #2, I/P fuses 2, 4, 6, 8, 19,
21, 23 and 25
105
30A**
Starter relay feed
106
40A**
Anti-lock brake system (ABS)
module (Pump)
107
40A**
Rear defroster relay feed
108
20A**
Cigar lighter (Non-police vehicles
only), Police accessory battery
feed 3 (Police vehicles only)
109
20A**
ABS module (Valves)
110
30A**
Wiper module
111
50A**
Police PDB or Police accessory
battery feed (Police vehicles only)
112
30A**
Air suspension compressor
(non-Police vehicles only)
40A**
Police PDB relay feed (Police
vehicles only)
113
50A**
Police light bar or Police
right-hand kick panel accessory
battery feed (Police vehicles only)
114
50A**
Police PDB or Police accessory
battery feed (Police vehicles only)
115
50A**
Rear power point or Police
right-hand kick panel accessory
battery feed (Police vehicles only)
116
50A**
Police accessory and PDB (Police
vehicles only)
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Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
117
50A**
Police accessory and PDB (Police
vehicles only)
118
50A**
Rear power point or Police
right-hand kick panel accessory
battery feed (Police vehicles only)
201
1
⁄
2
ISO relay
A/C clutch
202
—
Not used
203
1
⁄
2
ISO relay
Ignition coil
204
1
⁄
2
ISO relay
PCM
205
1
⁄
2
ISO relay
Fog lamps (Grand Marquis only)
206
1
⁄
2
ISO relay
Fuel
207
—
Not used
208
—
Not used
209
1
⁄
2
ISO relay
Horn
301
Full ISO relay
Starter
302
Full ISO relay
Air compressor (non-Police
vehicles only), RUN/ACC relay
(Police vehicles only)
303
Full ISO relay
Blower
304
Full ISO relay
Rear defrost relay
501
—
Not used
502
Diode
PCM
503
—
Not used
601
20A Circuit
breaker
Power seats, Lumbar, Decklid
(Police vehicles only)
602
20A Circuit
breaker
RUN/ACC relay feed – Windows,
Decklid (Police vehicles only)
* Mini fuse ** Cartridge fuse
Relays
Relays are located in the power distribution box and should be replaced
by an authorized dealer.
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CHANGING THE TIRES
If you get a flat tire while driving, do not apply the brake heavily.
Instead, gradually decrease your speed. Hold the steering wheel firmly
and slowly move to a safe place on the side of the road.
Note: The tire pressure monitoring system (TPMS) indicator light will
illuminate when the spare tire is in use. To restore the full functionality
of the monitoring system, all road wheels equipped with tire pressure
monitoring sensors must be mounted on the vehicle.
Have a flat serviced by an authorized dealer in order to prevent damage
to the TPMS sensors, refer to Tire pressure monitoring system
(TPMS) in the Tires, Wheels and Loading chapter. Replace the spare
tire with a road tire as soon as possible. During repairing or replacing of
the flat tire, have the authorized dealer inspect the TPMS sensor for
damage.
WARNING: The use of tire sealants may damage your tire
pressure monitoring system (TPMS) and should not be used.
However, if you must use a sealant, the TPMS sensor and valve stem
on the wheel must be replaced by an authorized Ford dealer.
WARNING: Refer to Tire pressure monitoring system (TPMS)
in the Tires, Wheels and Loading chapter for important
information. If the tire pressure monitor sensor becomes damaged, it
will no longer function.
Dissimilar spare tire/wheel information
WARNING: Failure to follow these guidelines could result in an
increased risk of loss of vehicle control, injury or death.
If you have a dissimilar spare tire/wheel, then it is intended for
temporary use only. This means that if you need to use it, you should
replace it as soon as possible with a road tire/wheel that is the same size
and type as the road tires and wheels that were originally provided by
Ford. If the dissimilar spare tire or wheel is damaged, it should be
replaced rather than repaired.
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A dissimilar spare tire/wheel is defined as a spare tire and/or wheel that
is different in brand, size or appearance from the road tires and wheels
and can be one of three types:
1. T-type mini-spare: This spare tire begins with the letter “T” for tire
size and may have “Temporary Use Only” molded in the sidewall
2. Full-size dissimilar spare with label on wheel: This spare tire has
a label on the wheel that states: “THIS TIRE AND WHEEL FOR
TEMPORARY USE ONLY”
When driving with one of the dissimilar spare tires listed above, do not:
• Exceed 50 mph (80 km/h)
• Load the vehicle beyond maximum vehicle load rating listed on the
Safety Compliance Label
• Tow a trailer
• Use snow chains on the end of the vehicle with the dissimilar spare
tire
• Use more than one dissimilar spare tire at a time
• Use commercial car washing equipment
• Try to repair the dissimilar spare tire
Use of one of the dissimilar spare tires listed above at any one wheel
location can lead to impairment of the following:
• Handling, stability and braking performance
• Comfort and noise
• Ground clearance and parking at curbs
• Winter weather driving capability
• Wet weather driving capability
• All-wheel driving capability (if applicable)
3. Full-size dissimilar spare without label on wheel
When driving with the full-size dissimilar spare tire/wheel, do not:
• Exceed 70 mph (113 km/h)
• Use more than one dissimilar spare tire/wheel at a time
• Use commercial car washing equipment
• Use snow chains on the end of the vehicle with the dissimilar spare
tire/wheel
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The usage of a full-size dissimilar spare tire/wheel can lead to
impairment of the following:
• Handling, stability and braking performance
• Comfort and noise
• Ground clearance and parking at curbs
• Winter weather driving capability
• Wet weather driving capability
• All-wheel driving capability (if applicable)
• Load leveling adjustment (if applicable)
When driving with the full-size dissimilar spare tire/wheel additional
caution should be given to:
• Towing a trailer
• Driving vehicles equipped with a camper body
• Driving vehicles with a load on the cargo rack
Drive cautiously when using a full-size dissimilar spare tire/wheel and
seek service as soon as possible.
Full-size matching spare tire/wheel information
This spare tire/wheel will match the road tire/wheel. When driving with
the full size matching spare tire/wheel, do not exceed 70 mph
(113 km/h). It is intended for temporary use only. This means if you
need to use it, you should replace it as soon as possible.
Stopping and securing the vehicle
1. Park on a level surface, set the
parking brake and activate hazard
flashers.
2. Place gearshift lever in P (Park)
and turn engine off.
HOOD
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Removing the spare tire and jack
1. Remove the spare tire and the
jack. The jack could be located:
• A — behind the mini spare tire or
• B — behind the full size spare
tire
WARNING: On vehicles
equipped with air
suspension, turn off the air
suspension switch prior to jacking,
hoisting or towing your vehicle.
Refer to Air suspension system in the Driving chapter.
2. Remove the lug wrench from the
jack. Rotate the lug wrench socket
out from the handle.
OFF
A
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Tire change procedure
WARNING: When one of the front wheels is off the ground, the
transmission alone will not prevent the vehicle from moving or
slipping off the jack, even if the vehicle is in P (Park).
WARNING: To help prevent the vehicle from moving when you
change a tire, be sure the parking brake is set, then block (in
both directions) the wheel that is diagonally opposite (other side and
end of the vehicle) to the tire being changed.
WARNING: If the vehicle slips off the jack, you or someone else
could be seriously injured.
WARNING: Do not attempt to change a tire on the side of the
vehicle close to moving traffic. Pull far enough off the road to
avoid the danger of being hit when operating the jack or changing the
wheel.
Note: Passengers should not remain in the vehicle when the vehicle is
being jacked.
1. Block the diagonally opposite
wheel.
2. Remove any wheel trim. Insert
the tapered end of the lug nut
wrench behind wheel covers or
hubcaps and twist off.
3. Loosen each wheel metal lug nut
one-half turn counterclockwise but
do not remove them until the wheel
is raised off the ground.
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Before placing the jack under the vehicle, NOTE the jack location
markings:
JACK LOCATION
The jack location markings can be
found on the lower outer edge of
the body.
• Locate the jack locator mark (B)
on the body (C) near the tire you
are changing, then place the jack
(D) under the frame (A) of
the vehicle aligning it with the
mark (B).
• Position the jack according to the
following guides and turn the jack
handle clockwise until the wheel
is completely off the ground.
WARNING: To lessen risk
of personal injury, do not
put any part of your body under
the vehicle while changing a tire.
Do not start the engine when your
vehicle is on the jack. The jack is
ONLY meant for changing the tire.
• Never use the rear differential
as a jacking point.
4. Remove the metal lug nuts with the lug wrench.
5. Replace the flat tire/wheel assembly with the spare tire/wheel
assembly, making sure the valve stem is facing outward. Reinstall lug
nuts until the wheel is snug against the hub. Do not fully tighten the lug
nuts until the wheel has been lowered.
A
D
B
C
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6. Lower the vehicle by turning the jack handle counterclockwise.
7. Remove the jack and fully tighten
the lug nuts in the order shown.
Refer to Wheel lug nut torque
specifications later in this chapter
for the proper lug nut torque
specification.
8. Install any wheel covers,
ornaments or hub caps. Make sure
they are snapped in place.
9. Put flat tire, jack and lug wrench
away.
10. Turn on the air suspension switch (if equipped).
WHEEL LUG NUT TORQUE SPECIFICATIONS
Retighten the lug nuts to the specified torque within 100 miles (160 km)
after any wheel disturbance (tire rotation, changing a flat tire, wheel
removal, etc.).
Bolt size
Wheel lug nut torque*
ft-lb
N
•m
1
⁄
2
x 20
100
135
* Torque specifications are for nut and bolt threads free of dirt and
rust. Use only Ford recommended replacement fasteners.
WARNING: When a wheel is installed, always remove any
corrosion, dirt or foreign materials present on the mounting
surfaces of the wheel or the surface of the wheel hub, brake drum or
brake disc that contacts the wheel. Ensure that any fasteners that
attach the rotor to the hub are secured so they do not interfere with
the mounting surfaces of the wheel. Installing wheels without correct
metal-to-metal contact at the wheel mounting surfaces can cause the
wheel nuts to loosen and the wheel to come off while the vehicle is in
motion, resulting in loss of control.
1
4
3
2
5
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Note: Inspect the wheel pilot hole
prior to installation. If there is
visible corrosion in wheel pilot hole,
remove loose particles by wiping
with clean rag and apply grease.
Apply grease only to the wheel pilot
hole surface by smearing a “dime”
(1 square cm) sized glob of grease
around the wheel pilot surface (1)
with end of finger. DO NOT apply
grease to lugnut/stud holes or
wheel-to-brake surfaces.
JUMP STARTING
WARNING: The gases around the battery can explode if
exposed to flames, sparks, or lit cigarettes. An explosion could
result in injury or vehicle damage.
WARNING: Batteries contain sulfuric acid which can burn skin,
eyes and clothing, if contacted.
Do not attempt to push-start your automatic transmission
vehicle. Automatic transmissions do not have push-start
capability. Attempting to push-start a vehicle with an automatic
transmission may cause transmission damage.
Preparing your vehicle
When the battery is disconnected or a new battery is installed, the
automatic transmission must relearn its shift strategy. As a result, the
transmission may have firm and/or soft shifts. This operation is
considered normal and will not affect function or durability of the
transmission. Over time, the adaptive learning process will fully update
transmission operation.
1. Use only a 12–volt supply to start your vehicle.
2. Do not disconnect the battery of the disabled vehicle as this could
damage the vehicle’s electrical system.
3. Park the booster vehicle close to the hood of the disabled vehicle
making sure the two vehicles do not touch. Set the parking brake on
both vehicles and stay clear of the engine cooling fan and other moving
parts.
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