2010 Mercury Grand Marquis fuse

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.
To remove a fuse use the fuse puller tool provided on the fuse panel
cover.
The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected 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)
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
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
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)
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
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)
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)
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
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.
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
Batterysection of theMaintenance and Specificationschapter.
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The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected 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)
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
503
502
501
24
23
20
19 22
21302303304
301 207201 202203 204
209
206
208
205602118
114
110
106
102
117
113
109
105
101
116
112
108
104
115
111
107
103
18
16
14
1210
8
6
4
2
17
15
13
119
7
5
3
1 601
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
12 20A* Audio (Subwoofer)
25A* Police tray lamps (Police vehicles
only)
13 20A* Instrument panel power point
14 20A* Stop lamp switch
15 15A* Foglamps (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
102 50A** Cooling fan
103 50A** Instrument panel (I/P) fuse box
feed #1, I/P fuses 10, 12, 14, 16
and 18
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
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 — Not used
117 — Not used
118 50A** Rear power point or Police
right-hand kick panel accessory
battery feed (Police vehicles only)
201
12ISO relay A/C clutch
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
202 — Not used
203
12ISO relay Ignition coil
204
12ISO relay PCM
205
12ISO relay Foglamps (Grand Marquis only)
206
12ISO relay Fuel
207 — Not used
208 — Not used
209
12ISO 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
breakerPower seats, Lumbar, Decklid
(Police vehicles only)
602 20A Circuit
breakerRUN/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.
CHANGING A FLAT TIRE
If you get a flat tire while driving:
•do not brake heavily.
•gradually decrease the vehicle’s speed.
•hold the steering wheel firmly.
•slowly move to a safe place on the side of the road.
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