Mercury Grand Marquis (2011 year). Manual

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

Grey

—

Violet

—

Pink

—

Tan

—

7.5A

Brown

—

10A

Red

—

15A

Blue

—

20A

Yellow

Blue

25A

Natural

—

Natural

30A

Green

Pink

40A

—

Orange

Green

50A

—

Red

60A

—

Blue

Yellow

70A

—

Tan

—

Brown

80A

—

Natural

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

10A

Ignition (START) - Starter relay
coil, DTRS

7.5A

Power mirrors, Mirror switch,
Keypad switch, Decklid switch,
Adjustable pedal switch, Driver’s
door module, Cluster

Ignition (START) - Audio mute,
Police power distribution box
(PDB) (Police vehicles only)

10A

Lighting control module (LCM)
(switch illumination), Autolamp
sensor

7.5A

Ignition (ON/ACC) - LCM

7.5A

LCM

10A

Ignition (ON/ACC) - Wiper module

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Fuse/Relay

Location

Fuse Amp

Rating

Protected Circuits

10A

Electronic automatic temperature
control (EATC) module (vehicles
equipped with EATC only)

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)

15A

Hazards (non-Police vehicles only)

20A

Hazards (Police vehicles only)

15A

Ignition (ON) - Turn signals

15A

Audio

10A

Ignition (ON) - rear air suspension
module (RASM), Cluster

15A

Taxi, Adjustable pedals

10A

Ignition (ON) - EATC module, A/C
mode switch (vehicles equipped
with manual A/C only), A/C blower
relay coil

20A

On-board diagnostics (OBD II)

10A

Ignition (ON) - A/C mode switch
(vehicles equipped with manual
A/C), Blend door, Heated seat
modules

15A

LCM (interior lighting)

10A

LCM (Left-hand low beam)

10A

Ignition (ON/START) - Back-up
lamps, Anti-lock brake system
(ABS)

10A

LCM (Right-hand low beam)

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Fuse/Relay

Location

Fuse Amp

Rating

Protected Circuits

10A

Ignition (ON/START) - Restraint
control module (RCM), Occupant
classification sensor (OCS),
Passenger airbag deactivation
indicator (PADI)

15A

Multi-function switch
(Flash-to-pass), LCM (High beams)

10A

Ignition (ON/START) - Passive
anti-theft system (PATS) module,
Powertrain control module (PCM)
relay coil, Fuel relay coil, Ignition
relay coil

15A

LCM (Park lamps, corner lamps,
license lamps)

10A

Ignition (ON/START) - Cluster,
LCM, Overdrive cancel switch,
Traction control switch

—

Not used

7.5A

Brake signal, LCM (brake
transmission shift interlock), ABS

Hazard in (Police vehicles only)

Battery saver (Police vehicles only)

Key in (LCM)

Hazard out (Police vehicles only)

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

30A*

Ignition switch

20A*

Spot lights (Police vehicles only)

10A*

Powertrain control module (PCM)
– keep alive power, Canister vent

20A*

Fuel relay feed

10A*

Rear air suspension module
(RASM)

503

502

501

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

601

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Fuse/Relay

Location

Fuse Amp

Rating

Protected Circuits

15A*

Alternator regulator

30A*

PCM relay feed

20A*

Driver’s door module (DDM)

15A*

Ignition coil relay feed

20A*

Horn relay feed

15A*

A/C clutch relay feed

20A*

Audio (Subwoofer)

25A*

Police tray lamps (Police vehicles
only)

20A*

Instrument panel power point

20A*

Stop lamp switch

15A*

Fog lamps (Grand Marquis only),
Police accessory battery feed 1
(Police vehicles only)

20A*

Heated seats (Grand Marquis
only), Police accessory battery
feed 2 (Police vehicles only)

10A*

Commercial R/A (Crown Victoria
only)

10A*

Commercial R/A (Crown Victoria
only)

15A*

Injectors

15A*

PCM

15A*

Powertrain loads and sensors

20A*

Police power distribution box
(PDB) outputs (Police vehicles
only)

20A*

Police PDB outputs (Police
vehicles only)

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

⁄

ISO relay

A/C clutch

202

—

Not used

203

⁄

ISO relay

Ignition coil

204

⁄

ISO relay

PCM

205

⁄

ISO relay

Fog lamps (Grand Marquis only)

206

⁄

ISO relay

Fuel

207

—

Not used

208

—

Not used

209

⁄

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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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.

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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

•m

⁄

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.

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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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Mercury Grand Marquis (2011 year). Manual - part 13