Mercury Grand Marquis (2003-2011) fuses and relays

 

In this article, we consider the fourth-generation Mercury Grand Marquis, produced from 2003 to 2011. Here you will find fuse box diagrams of Mercury Grand Marquis 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 and 2011, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Mercury Grand Marquis 2003-2011


Cigar lighter (power outlet) fuses in the Mercury Grand Marquis are the fuses #16 (2007-2008: Cigar lighter), #25 (2003-2004: Cigar lighter), #27 (2005-2006: Cigar lighter, Power point) in the Instrument panel fuse box, and fuses #13 (2005-2011: Instrument panel power point), #108 (2009-2011: Cigar lighter) in the Engine Compartment Fuse Box.


Instrument Panel Fuse Box

Fuse box location

The fuse box is located under the left side of the instrument panel.The location of the fuses in the passenger compartment: Mercury Grand Marquis (2003-2011)

Fuse box diagram

2003-2004Instrument panel fuse box diagram: Mercury Grand Marquis (2003, 2004)

2005-2011Instrument panel fuse box diagram: Mercury Grand Marquis (2005, 2006, 2007, 2008, 2009, 2010, 2011)


 

Assignment of the fuses and relays in the instrument panel

Protected components Amp
1 2003-2004: Audio, CD changer 15
1 2005-2006: Cluster, Lighting Control Module (Interior Lighting) 15
1 2007-2011: Ignition (START) – Starter relay coil, DTRS 10
2 2003-2004: Audio 5
2 2005-2006: Ignition (ON) – Electronic Automatic Temperature Control (EATC) module, A/C mode switch (vehicles equipped with EATC), A/C blower relay coil (2006) 10
2 2007-2011: Power mirrors, Door lock switches (2007-2008), Mirror switch, Keypad switch, Decklid switch, Adjustable pedal switch, Driver’s door module, Cluster 7.5
3 2003-2004: Mirrors 7.5
3 2005-2006: Electronic Automatic Temperature Control (EATC) module 10
3 2007-2011: Ignition (START) – Audio mute 5
4 2003-2004: Air bags

2005-2006: Ignition (ON) – Anti-lock Brake System (ABS) module, Positive Crankcase Ventilation (PCV (2005)), Rear Air Suspension Module (RASM (2006)), Variable Assist Power Steering (VAPS (2006))

2007-2011: Lighting control module (LCM) (switch illumination), Autolamp sensor

10
5 2003-2004: Not used
5 2005-2006: Speed control deactivation switch, Stop signal, Brake-Transmission Shift Interlock (BTSI (2005)) (column-shift transmission) 10
5 2007-2011: Ignition (ON/ACC) – Lighting Control Module 7.5
6 2003-2004: Instrument cluster warning lamps module, Overdrive control switch, Lighting Control Module (LCM), A/C clutch, Analog cluster (2004) 15
6 2005-2006: Ignition (ON) – Cluster 10
6 2007-2011: Lighting Control Module 7.5
7 2003-2004: Driver’s Door Module (DDM), Premium radio

2005-2006: Lighting Control Module (Park lamps, Switch illumination (2005), Corner lamps (2006))

2007-2011: Ignition (ON/ACC) – Wiper module

10
8 2003-2004: Powertrain Control Module (PCM) power relay, Coil-on plugs, Radio noise capacitor, Passive Anti-Theft System (PATS) 25
8 2005: Ignition (ON) – Rear Air Suspension Module (RASM), Variable Assist Power Steering (VAPS) 10
8 2006: Lighting Control Module 10
8 2007-2011: Electronic Automatic Temperature Control (EATC) module (vehicles equipped with EATC only) 10
9 2003-2004: Transmission range sensor 5
9 2005-2006: Lighting Control Module (Headlamps (2005), Cornering lamps (2005), Switch illumination (2006)) 10
9 2007-2011: Ignition (ON/ACC) – Door lock switch illumination, Heated seat switch illumination, Moon roof (2007-2008), Overhead console, Radio, Antenna, Electrochromatic mirror, Window relay coil 7.5
10 2003-2004: Rear window defrost, Heated mirrors 10
10 2005: Ignition (ON/START) – Driver’s Door Module (DDM) 5
10 2006: Ignition (START) – Audio mute 5
10 2007-2011: Hazards 15
11 2003-2004: Traction control indicator relay (ABS w/traction control only) 5
11 2005: Ignition (START) – ON/ACC relay coil 10
11 2006: Ignition (ON/ACC) – window relay coil 10
11 2007-2011: Ignition (ON) – Turn signals 15
12 2003-2004: Multi-function switch for turn/hazard lamps 15
12 2005-2006: Ignition (START) – Starter relay coil, DTRS (2006) 10
12 2007-2011: Audio 15
13 2003-2004: Radio 5
13 2005-2006: Ignition (START) – Wiper module 10
13 2007-2011: Ignition (ON) – Anti-lock Brake System (ABS) module (2007-2008), Rear Air Suspension Module (RASM), Variable Assist Power Steering (VAPS) (2007-2008), Cluster 10
14 2003-2004: Anti-lock Brake System (ABS), Instrument Cluster 10
14 2005-2006: Ignition (ON) – BTSI (Floor-shift transmission) 10
14 2007-2011: Adjustable pedals 15
15 2003-2004: Speed control module, Lighting Control Module, Clock (2003), EATC blower motor relay, Door lock switch illumination, Heated seat switch, Moonroof 15
15 2005-2006: Ignition (START) – Lighting Control Module, Door lock switch illumination, Heated seat switch illumination, Moonroof, Overhead console, Electrochromatic mirror 7.5
15 2007-2011: Ignition (ON) – EATC module, A/C mode switch (vehicles equipped with manual A/C only), A/C blower relay coil 10
16 2003-2004: Reversing lamps, Shift lock, DRL module, VAP Steering, Electronic day/night mirror, Overhead console, Air suspension, Climate control, Heated seat module, Speed chime module, Driver’s door module (2004), Back-up lamps (2004) 15
16 2005-2006: Ignition (ON) – Turn signals 15
16 2007-2008: Cigar lighter, On-board diagnostics (OBD II) 20
16 2009-2011: On-board diagnostics (OBD II) 20
17 2003-2004: Wiper motor 7.5
17 2005-2006: Ignition (START) – Audio 10
17 2007-2011: Ignition (ON) – A/C mode switch (vehicles equipped with manual A/C), Blend door, Heated seat modules, BTSI (Floor-shift transmission) 10
18 2003-2004: Not used
18 2005-2006: Ignition (ON) – A/C mode switch (vehicles equipped with manual A/C), Blend door, Driver’s door module (2003), Heated seat modules, Daytime Running Lamps (DRL) module (2003) 10
18 2007-2011: Lighting control module (interior lighting) 15
19 2003: Brake lamps 15
19 2004: Brake lamps, Brake signal for PCM, ABS and speed control module, DDM 15
19 2005-2011: Left-hand low beam, Daytime Running Lamps (DRL (2005)) 10
20 2003-2004: Not used

2005-2011: Ignition (ON/ACC) – Back-up lamps, Anti-lock brake system (ABS (2009-2011))

10
21 2003-2004: Lighting control module for park lamps and interior illumination, Autolamp/Sunload sensor 15
21 2005-2011: Right-hand low beam, Daytime Running Lamps (DRL (2005)) 10
22 2003-2004: Speed control servo, Multi-function switch for hazard lamps, Brake on/off switch, Feed for IP fuse 19 (2004) 20
22 2005-2011: Ignition (ON/ACC) – Restraint Control Module (RCM), Occupant Classification Sensor (OCS), Passenger Air bag Deactivation Indicator (PADI) 10
23 2003-2004: EATC module, Instrument cluster, Clock (2003), Lighting control module, Interior lamps, Door lock switches

2005-2011: Multi-function switch (Flash-to-pass), Lighting control module (High beams)

15
24 2003-2004: Left-hand low beam

2005-2011: Ignition (ON/ACC) – Passive Anti-Theft System (PATS) module, Powertrain Control Module (PCM) relay coil, Fuel relay coil, Ignition coil relay coil

10
25 2003-2004: Cigar lighter 15
25 2005-2006: Autolamp/Sunload sensor, Power mirrors, Door lock switches, Adjustable pedal switch, Keypad switch (2006), Decklid switch (2006), Driver’s door module 10
25 2007-2011: Lighting control module (Park lamps, corner lamps, license lamps) 15
26 2003-2004: Right-hand low beam

2005: Ignition (ON/ACC) – Analog cluster, Warning lamp module, Lighting control module, Overdrive cancel switch, Rear defroster relay coil

2006-2011: Ignition (ON/START) – Cluster, Lighting control module, Overdrive cancel switch, Rear defroster relay coil (2006), Traction control switch (2009-2011)

10
27 2003-2004: Lighting control module for cornering lamps and high beam headlamps 25
27 2005-2006: Cigar lighter, OBD II, Power point (2005) 20
27 2007-2011: Not used
28 2003-2004: Circuit breaker: Power windows, Driver’s Door Module (2003) 20
28 2005-2006: Center High-Mounted Stop Lamp (CHMSL) 10
28 2007-2011: Brake signal, LCM (brake transmission shift interlock ((BTSI)), ABS 7.5
29 2003-2004: Not used
2005-2006: Audio
2007-2011: Not used
15
30 2003-2004: Not used
2005-2006: Stop lamps, MFS
2007-2011: Not used
15
31 2003-2004: Not used
31 2005-2006: Hazards 15
31 2007-2011: Key in (Lighting control module) 5
32 2003-2004: Not used
2005-2006: Mirror heaters, Rear defroster switch indicator
2007-2011: Not used
10
33 2005-2011: Not used
Relay
R1 2005-2006: Rear defroster
2005-2011: Window

Engine Compartment Fuse Box

Fuse box location

The Power Distribution Box is located in the engine compartment (on the passenger side).The location of the fuses in the engine compartment: Mercury Grand Marquis (2003-2011)

Fuse box diagram

Under-hood fuse box diagram: Mercury Grand Marquis (2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011)

 

Assignment of the fuses and relays in the Power distribution box

Protected components Amp
1 2003-2004: Audio 25
1 2005: Ignition switch (Key in, RUN 1, RUN 2) 20
1 2006: Ignition switch (Key in, RUN 1, RUN 2), Hazards 25
1 2007-2011: Ignition switch 30
2 2003-2004: Power point 20
2 2005-2006: Ignition switch (RUN/START, RUN/ACC, START) 25
2 2007-2008: Moon roof 20
2 2009-2011: Not used
3 2003-2004: Heated seats 25
3 2005-2011: Powertrain control module (PCM) – keep alive power, Canister vent (2007-2011) 10
4 2003-2004: Horns 15
4 2005-2011: Fuel relay feed 20
5 2003-2004: Fuel pump 20
5 2005-2011: Rear Air Suspension Module (RASM), VASM (2005-2008) 10
6 2003: Not used
2004-2011: Alternator regulator
15
7 2003-2004: Moonroof 25
7 2005-2011: PCM relay feed 30
8 Driver’s Door Module (DDM), Door locks (2007-2008) 20
9 2003-2004: Not used
2005-2011: Ignition coil relay feed
15
10 2003-2004: Not used
2005-2011: Horn relay feed
20
11 2003-2004: Daytime running lamps 20
11 2005-2011: A/C clutch relay feed 15
12 2003-2004: Not used
12 2005-2006: Audio 25
12 2007-2011: Audio (Subwoofer) 20
13 2003-2004: Not used
2005-2011: Instrument panel power point
20
14 2003-2004: Not used
2005-2011: Stop lamp switch
20
15 2003-2004: Not used
15 2005-2006: Heated seats 20
15 2007-2011: Foglamps 15
16 2003-2004: Not used
16 2005: Daytime Running Lamps (DRL) module 20
16 2006: Foglamps 15
16 2007-2011: Heated seats 20
17 Not used
18 Not used
19 Powertrain Control Module (PCM (2003-2004)), Fuel injectors 15
20 PCM, HEGOs (2003-2004), Mass Air Flow (MAF) sensor (2005-2006), IAT (2006) 15
21 2003-2004: Not used
2005-2011: Powertrain loads and sensors
15
22 Not used
23 Not used
24 2003-2004: Not used
24 2005: Radio mute 5
24 2006: Radio mute
24 2005-2011: Heated mirror, Rear defrost indicator 10
101 2003-2004: Ignition switch, Starter motor solenoid via starter relay, IP fuses 7, 9, 12 and 14 30
101 2005-2011: Blower relay feed 40
102 Cooling fan 50
103 2003-2004: Blower motor 40
103 2005-2006: Instrument panel (I/P) fuse box feed #1 (I/P fuses 19 (2004), 23, 25, 27 and 31)  50
103 2007-2011: Instrument panel (I/P) fuse box feed #1, I/P fuses 10, 12, 14, 16 and 18 50
104 2003-2004: Heated backlight relay 40
104 2005-2006: Instrument panel (I/P) fuse box feed #2 (I/P fuses 1, 3, 5, 7 and 9) 40
104 2007-2011: Instrument panel (I/P) fuse box feed #2 (I/P fuses 2, 4, 6, 8, 19, 21, 23 and 25) 50
105 2003: PCM power relay 30
105 2004: PCM power relay, Diagnostic connector, PDB fuses 19 and 20, A/C clutch relay, Fuel pump module relay 30
105 2005-2011: Starter relay feed 30
106 Anti-lock Brake System (ABS) 40
107 2003-2004: Not used
107 2005-2011: Rear defroster relay feed 40
108 2003-2004: Not used
108 2005-2006: Moonroof 20
108 2007-2008: Not used
108 2009-2011: Cigar lighter 20
109 2003-2004: Not used
109 2005-2011: Anti-lock brake system (ABS) module 20
110 2003-2004: Not used
2005-2011: Wiper module
30
111 Not used
112 2003: Ignition switch 50
112 2004: Ignition switch feed to IP fuses 4, 6, 8, 11, 13, 15, 17, 20, 22 and 28 50
112 2005-2011: Air suspension compressor 30
113 2003-2004: Feeds IP fuses 3, 5, 21, 23, 25, 27
2005-2011: Not used
50
114 2003-2004: VAP Steering, Air suspension compressor, Instrument cluster
2005-2011: Not used
30
115 2003-2004: Ignition switch feed to IP fuses 16 and 18
2005-2011: Not used
50
116 2003-2004: Wipers
2005-2011: Not used
30
117 Not used
118 2003-2004: ABS
2005-2011: Not used
20
401 2003-2004: Not used
601 2003-2004: Not used
2005-2011: Circuit breaker: Power seats, Lumbar, Decklid
20
602 2003-2004: Circuit breaker: Adjustable pedals, Power seat, Locks, Decklid, Lumbar 20
602 2005-2011: Circuit breaker: Power windows relay feed (RUN/ACC) 20
Relays
201 2003-2004: Horn
2005-2011: A/C clutch
202 2003-2004: Powertrain Control Module (PCM)
2005-2011: Not used
203 2003-2004: Fuel pump
2005-2011: Ignition coil
204 2003-2004: A/C clutch
2005-2011: Powertrain Control Module (PCM)
205 2003-2004: Traction control switch
2005: Not used
2006-2011: Fog lamps
206 2003-2004: Not used
2005-2011: Fuel
207 Not used
208 2003-2004: Moonroof
2005-2011: Not used
209 2003-2004: Not used
2005-2011: Horn
301 2003-2004: Blower motor
2005-2011: Starter
302 2003-2004: Starter solenoid
2005-2011: Air compressor (Air suspension)
303 2003-2004: Air compressor (Air suspension)
2005-2011: Blower motor
304 2003-2004: Rear defrost
2005-2006: Power windows (RUN/ACC)
2007-2011: Rear defrost
Diodes
501 2003-2004: Powertrain Control Module (PCM)
2005-2008: A/C clutch
2009-2011: Not used
502 2003: Not used
2004: A/C clutch
2005-2011: Powertrain Control Module (PCM)
503 2003-2004: Not used
2005-2007: Horn, Door latch
2008-2011: Not used


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