How quickly will I get access to the wiring diagrams after payment?

Access is activated instantly after a successful payment. A payment receipt and an activation email with a link to the wiring diagrams will be sent to your email.

How long will my access be valid?

Access is activated permanently and is not limited in time, just like if you purchased a physical book.

Where can I find the wiring diagrams I purchased?

In your personal account. To access it, click the user icon in the upper right corner of the website.

What if the wiring diagrams do not match my car model?

This is very rare, but if the diagrams do not match your vehicle, contact us at support@portal-diagnostov.com and attach a few photos of the connector or wiring that does not match. We will issue a refund.

All Wiring Diagrams for Mercury Grand Marquis LS 2011 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011:

48

A/c output
Ambient
Ambient air temperature sensor (front of upper radiator support)
Battery junction box (bjb) (right front of engine compt, behind battery)
Blend door cool
Blend door heat
Blower
Blower motor
Blower motor relay
Blower motor speed control (right rear of engine compt)
C228a
C228b
C260
Central junction box (cjb) (left of steering column)
Computer data lines system
Eatc hvac module
Fuse 10a
Fuse 15a
Fuse 40a
G109 (front of right fender)
G203 (right kick panel)
Ground
Hi blower
Hot at all times
Hot in run
In car
In-vehicle temperature sensor (center of dash)
Interior lights system
Pot feed
Pot feedback
Pot rtn
Pwm illum
Pwr gnd
Run
S121
S207
Scp +
Scp -
Sens rtn
Steering wheel ctrl
Sun load
Variable volt dim
Vbatt
Vbc
Vbc feedback
Vbc hbr
Vbc input
Vbc output

Automatic A/C Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011:

61

(engine control sensor & fuel charge wiring harness, near breakout to cop 4)
(top of steering column) clockspring
A/c clutch field coil (lower right front of engine)
A/c clutch relay
A/c cycling switch 1) open at 159kpa (23psi) 2) close at 290kpa (42psi)
A/c pressure transducer
Accr ctrl
Accs
Acpt
Audio unit
Audio/climate control switch
Autolamp sensor
Autolamp sensor (under upper left side of dash)
Battery junction box (bjb) (right front of engine compt, behind battery)
C139
C175b
C175e
C175t
C192
C2145a
C218a
C218b
C237
C260
C290a
Control solid state
Engine controls system
Engine cooling fan module (left front of engine compt)
Engine cooling fan motor
Fcv
Fuse 15a
Fuse 50a
G102 (front of left fender)
G109 (front of right fender)
G201 (right kick panel)
G203 (right kick panel)
Ground
Hot at all times
Hot in start or run
Interior lights system
Lighting control module (under center of dash)
Next
Patil
Powertrain control module (pcm) (left rear of engine compt)
Pwr
Red
Remote
S114
S123 (engine control sensor & fuel charge wiring harness, near breakout to powertrain control module (pcm))
S126
S201
S210
S294 (in breakout to steering wheel/ speed control switch)
Sig rtn 1
Temp+
Temp-
Temperature blend door actuator (right side of dash, on top of a/c plenum)
Var spd in
Vol+
Vol-
Vref

Manual A/C Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Manual A/C Wiring Diagram for Mercury Grand Marquis LS 2011:

74

(engine control sensor & fuel charge wiring harness, near breakout to cop 4)
(left rear of engine compt)
(w/ police)
A/c clutch diode
A/c clutch field coil (lower right front of engine)
A/c clutch relay
A/c cycling switch 1) open at 159kpa (23psi) 2) close at 290kpa (42psi)
A/c max a/c
A/c pressure transducer
Accr ctrl
Accs
Acpt
Battery junction box (bjb) (right front of engine compt, behind battery)
Blower motor
Blower motor relay
Blower motor resistor (right rear of engine compt)
C139
C175b
C175e
C192
C237
C260
C294a
C294b
C294c
C294d
Central junction box (cjb) (left of steering column)
Climate control assembly
Control circuit
Def/floor
Defrost
Defrost def/floor
Engine controls system
Engine cooling fan module (left front of engine compt)
Engine cooling fan motor
Fcv
Floor
Fuse 10a
Fuse 15a
Fuse 40a
Fuse 50a
G102 (front of left fender)
G109 (front of right fender)
G203 (right kick panel)
G204 (right kick panel)
Ground
High
Hot at all times
Hot in run
Hot in start or run
Ill
Interior lights system
Low
Max a/c a/c
Mid high
Mid low
Off
Pan/floor
Panel
Powertrain control module (pcm)
Pwr
Red
S114
S121
S122 (right rear of engine compt)
S123 (engine control sensor & fuel charge wiring harness, near breakout to powertrain control module (pcm))
S126
S207
Sig rtn 1
Temperature blend door actuator (right side of dash, on top of a/c plenum)
Test
Thermal limiter
Var spd in
Vref

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Anti-lock Brakes Wiring Diagram for Mercury Grand Marquis LS 2011:

70

Abs hydraulic valve control assembly
Abs module (left front of engine compartment)
Abs pump motor
Battery junction box (bjb) (right side of engine compt, behind battery)
Bpp switch
Brake fluid level switch (on brake fluid reservoir)
Brake ind
Brake pedal position (bpp) switch (top of brake pedal support)
Brake switch c2145b
C134
C140
C175b
C211
C2145a
C248
C260
Central junction box (cjb) (left of steering column)
Computer data lines system
Ctrl sw ind
Fuse 10a
Fuse 20a
Fuse 40a
Fuse 7.5a
G102 (front of left fender)
G103 (front of left fender)
G203 (right kick panel)
G212 (behind left kick panel)
Hot at all times
Hot in run or start
Hs can +
Hs can -
Ign sw
Illum
Ind
Instrument cluster (ic)
Interior lights system
Left front wheel speed sensor (left front wheel hub assembly)
Left rear wheel speed sensor (left rear wheel hub assembly)
Lf gnd
Lf sen
Lighting control module (under center of dash)
Lr gnd
Lr sen
Microprocessor
Nca
Park brake switch (behind left side of dash, on top of parking brake assembly)
Pnk
Powertrain control module (left rear of engine compt)
Pwr feed
Pwr gnd
Red
Red/ pnk
Red/pnk
Rf gnd
Rf sen
Right front wheel speed sensor (right front wheel hub assembly)
Right rear wheel speed sensor (right rear wheel hub assembly)
Rr gnd
Rr sen
Run/start
S112
S160
S201
S246
S267
S276
Tcs sw
Tel/ red
Traction
Traction control switch

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011

List of elements for Forced Entry Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011:

54

(body main wiring harness, near breakout to left front door lock actuator) s520
All doors lock
Antenna module (base of right "c" pillar)
Battery junction box (bjb) (right front of engine compt, behind battery)
C248
C501a
C501b
C501c
C526a
C526b
C602a
C602b
C715a
C715b
C820a
C820b
Computer data lines system
Decklid rel in
Door lock
Door unlock
Dr door ajar sw
Dr door unlk
Driver door module (bottom front of left front door)
Driver side front door ajar switch (top rear of left front door)
Driver side rear door ajar switch (rear of left rear door)
Fuse 20a
G201 (right kick panel)
G212 (behind left kick panel)
G420 (right "c" pillar)
Hot at all times
Keypad illum
Keypad input a
Keypad input b
Keypad input c
Logic bat
Logic gnd
Nca
Pass door unlk
Pass dr ajar sw
Passenger side front door ajar switch (top rear of right front door)
Passenger side rear door ajar switch (rear of right rear door)
Pwr gnd
Rf ask/fsk sel
Rf data
Rf recur enable
Rf recvr gnd
Rf recvr pwr
S217
S500
S515
Scp+
Scp-
Vbatt
Wiring harness, near breakout to air suspension module) s259

Forced Entry Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011

List of elements for Forced Entry Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011:

49

(behind left kick panel)
(right kick panel) g200
1/2
3/4
5/6
7/8
9/0
C213
C2145a
C2145b
C423
Central junction box (cjb) (left of steering column)
Computer data lines system
Driver side door lock switch
Exterior lights system
Fuse 7.5a
G212
G212 (behind left kick panel)
G406 (bottom center of rear seat)
Horn
Horns system
Hot at all times
Hot in run or acc
Illumination
Keyless entry keypad
Left front door lock actuator (rear of left front door)
Left rear door lock actuator (rear of left rear door)
Lighting control module (under center of dash)
Lock
Luggage compartment lid release solenoid (center rear of luggage compt lid)
Luggage compartment lid release switch 1
Passenger side door lock actuator (rear of right front door)
Passenger side door lock switch
Police
Power distribution system
Right rear door lock actuator (rear of right rear door)
S229
S254
S260 (body main wiring harness, near breakout to g212)
S261 (body main wiring harness, near breakout to g212)
S403
S500
S503 (body main wiring harness, near breakout to driver's door module)
S510 (body main wiring harness, near breakout to exterior rearview mirror switch)
S600
Scp+
Scp-
Trunk ajar
Unlock

Passive Anti-theft Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Passive Anti-theft Wiring Diagram for Mercury Grand Marquis LS 2011:

26

Autolamp sensor (under upper left side of dash)
Battery junction box (bjb) (right front of engine compt, behind battery)
C139
C175b
C175t
C260
Central junction box (cjb) (left of steering column)
Computer data lines system
Except police
Fuse 10a
G201 (right kick panel)
Ground
Hot at all times
Hot in start or run
Hs can+
Hs can-
Passive anti-theft system (pats) transceiver (steering column)
Patil
Power distribution system
Powertrain control module (pcm) (left rear of engine compt)
Rx in
S210
Smc
Starter relay
Tx out
Vol

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Body Control Modules Wiring Diagram for Mercury Grand Marquis LS 2011:

54

All doors lock
Antenna
Battery junction box (bjb) (right front of engine compt,
Behind battery)
C248
C501a
C501b
C501c
Central junction box (cjb) (left of steering column)
Computer data lines system
Decklid release input
Decklid release sol
Defogger system
Door lock
Door locks system
Door unlock
Dr door unlock
Driver door ajar sw
Driver door module (bottom front of left front door)
Fuse 20a
Fuse 7.5a
G201 (right kick panel)
G212 (behind left kick panel)
G420 (right "c" pillar)
Headlights system
Hi beam disable
Hot at all times
Htd backlight sw
Htd backlite
Interior lights system
Keypad illum
Keypad input a
Keypad input b
Keypad input c
Logic bat
Logic gnd
Nca
Passenger door ajar sw
Passenger door unlock
Pwr gnd
Rf ask/fsk sel
Rf data
Rf recur enable
Rf recvr gnd
Rf recvr pwr
S217
S254
S500
S515 (body main wiring harness, near breakout to driver's door module)
Scp+
Scp-
Trunk, tailgate, fuel doors system
V batt
Variable volt dim

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Computer Data Lines Wiring Diagram for Mercury Grand Marquis LS 2011:

48

(dash panel to headlight junction harness, near breakout to g102)
(dash panel to headlight junction harness, near breakout to g102) s105
(dash panel to headlight junction wiring harness, near breakout to air suspension module)
(main wiring harness,
Anti-lock brake system(abs)
C175b
C213
C2131a
C2145a
C228a
C248
C260
C260 c213
C310a
C3281a
C501a
Central junction box (cjb) (left of steering column)
Data link connector (dlc) (under left side of dash)
Driver door module (bottom front of left front door)
Feps
Fire suppression system module (if equipped) (under rear seat)
Fuse 20a
G107 (left rear of engine compt)
G203 (right kick panel)
Hot at all times
Hs can+
Hs can-
Hvac module, eatc
Instrument cluster (ic)
Iso9141
Lighting control module (under center of dash)
Module
Power distribution system
Powertrain control module (left rear of engine compt)
Restraints control module (rcm) (below center of dash)
S106
S118
S201
S216
S277
S278 (dash panel to headlight junction wiring harness, near breakout to air suspension module)
S296 (main wiring harness, in breakout to data link connector (dlc))
S297 (main wiring harness, in breakout to data link connector (dlc))
Scp+
Scp-
Suppression module)
Vehicle dynamics module (right end of dash)
W/ police

COOLING FAN

Cooling Fan Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Cooling Fan Wiring Diagram for Mercury Grand Marquis LS 2011:

20

Battery junction box (bjb) (right front of engine compt, behind battery)
C110
C139
C175e
Cht
Cylinder head temperature sensor (top left front of engine)
Engine controls system
Engine cooling fan module (left front of engine compt)
Engine cooling fan motor
Fcv
Fuse 50a
G102 (front of left fender)
Ground
Hot at all times
Powertrain control module (pcm) (left rear of engine compt)
Pwr
Red
S123 (engine control sensor & fuel charge wiring harness, near breakout to powertrain control module (pcm))
Sig rtn
Var spd in

CRUISE CONTROL

Cruise Control Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Cruise Control Wiring Diagram for Mercury Grand Marquis LS 2011:

76

(dash panel to headlight junction harness, near breakout to powertrain control module (pcm))
(on throttle body)
(steering wheel control switch jumper harness, in breakout to steering wheel/ speed control switch) s294
(steering wheel control switch jumper harness, in breakout to steering wheel/speed control switch)
Accelerator pedal position sensor (under left side of dash)
Anti-lock brake system (abs) module (left front of engine compt)
App
App2
App3
Appref
Apprtn2
Appvref2
Battery junction box (bjb) (right front of engine compt, behind battery)
Bps
Brake pedal position (bpp) switch (top of brake pedal support)
C175b
C175e
C175t
C211
C2145b
C218a
C218b
C2330a
C2330b
C248
C260
Central junction box (cjb) (left of steering column)
Clockspring (top of steering column)
Coast
Computer data lines system
Electronic throttle control (etc) motor (right rear of engine)
Engine controls system
Etcref
Etcrtn
Fuse 20a
Fuse 7.5a
G203 (right kick panel)
G212 (behind left
Hot at all times
Hs can+
Hs can-
Illumination
Interior lights system
Kick panel)
Lighting control module (lcm) (under center of dash)
Off
Oss
Output shaft speed (oss) sensor (left side of transmission)
Powertrain control module (pcm) (left rear of engine compt)
Red
Resume
S130
S147 (engine control sensor & fuel charge wiring harness, near breakout to pcm)
S201
S246
S267
S292
S293
S294
S295 (steering wheel control switch jumper harness, in breakout to audio/ climate control switch)
Sccs
Sccsrtn
Set
Set +
Set -
Sigrtn
Sigrtn1
Speed control deactivator switch
Steering wheel/speed control switch
Tacm+
Tacm-
Throttle position (tp) sensor
Tp1
Tp2
W/ steering wheel audio climate control switch
W/o steering wheel audio climate control switch

DEFOGGERS

Defoggers Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Defoggers Wiring Diagram for Mercury Grand Marquis LS 2011:

39

(right front of
Ant pwr
Antenna module (base of right "c" pillar)
Audio system
Battery junction box (bjb)
Battery junction box (bjb) (right front of engine compt, behind battery)
Behind battery)
C213
C214
C237
C402a
C402b
C501a
C501b
Def pwr
Driver door module (bottom front of left front door)
Engine compt,
Fuse 10a
Fuse 40a
G200 (right kick panel)
G203 (right kick panel)
G212 (behind left kick panel)
Hot at all times
Htd back- life sw
Htd backlife
Interior lights system
Left exterior rear view mirror
Nca
Off
Rear window defrost grid
Rear window defrost relay
Rear window defrost switch
Right exterior rear view mirror
S180
S190
S207
S228
S500
S600

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Electronic Suspension Wiring Diagram for Mercury Grand Marquis LS 2011:

46

(body main wiring harness, near breakout to c423) s450
(front of right fender)
(right end of dash)
(right front of engine compt, behind battery) battery junction box (bjb)
(under rear of vehicle, attached to control arm) air suspension height sensor
Air suspension compressor assembly (left front side of engine compt)
Air suspension compressor relay
Air suspension disable switch (luggage compt, on left support)
Backht a
Batt
Battery junction box (bjb) (right front of engine compartment, behind battery)
C2131a
C2131b
C260
C465
Central junction box (cjb) (left of steering column)
Compressor
Computer data lines system
Fuse 10a
Fusible link 112 30a
G102 (front of left fender)
G109
G109 (front of right fender)
G405 (bottom center of rear seat)
Gnd
Hot at all times
Hot in run
Hs can+
Hs can-
Ht sens pwr
Left rear air spring solenoid valve (left rear of vehicle)
Lh sol
Nca
On/off sw
Pnk
Return
Rh sol
Right rear air spring solenoid valve (right rear of vehicle)
S112
S113
S121
S490
Sw ign
Vehicle dynamics module (vdm)
Vent
Vpwr

ENGINE PERFORMANCE

4.6L FLEX FUEL

4.6L Flex Fuel, Engine Performance Wiring Diagram (1 of 6) for Mercury Grand Marquis LS 2011

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (1 of 6) for Mercury Grand Marquis LS 2011:

67

Accelerator pedal position sensor (under left side of dash)
Accr
Accs
Acpt
Air conditioning system
Anti-theft system
Antilock brakes system
App
App2
App3
Apprtn2
Appvref
Appvref2
Battery junction box (bjb) (right front of engine compt, behind battery)
Bps
C175b
C192
C248
C260
Case gnd
Central junction box (cjb) (left of steering column)
Computer data lines system
Cruise control system
Evap can vent
Feps
Fpc
Fpm
Ftp
Ftpref
Fuse 10a
Fuse 15a
Fuse 30a
G106 (left rear of engine compt)
G107 (left rear of engine compt)
G109 (front of right fender)
Gen com
Hot at all times
Hot in run or start
Hs can+
Hs can-
Ignition coils relay
Kapwr
Pcm power diode
Pcm power relay
Power distribution system
Powertrain control module (pcm) (left rear of engine compt)
Pspsw
Pwr gnd
Rdi
Red
Red/pnk
Rx in
S118
S121
S276
Sccs
Sccsrtn
Sig rtn
Sigrtn1
Smc
Starting/charging system
Tcs_sw
Trans ctrl sw
Transmission control switch (steering column)
Tx out
Vpwr
Vsout

4.6L Flex Fuel, Engine Performance Wiring Diagram (2 of 6) for Mercury Grand Marquis LS 2011

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (2 of 6) for Mercury Grand Marquis LS 2011:

28

(dash panel to headlight junction harness, near breakout to battery junction box (bjb))
A/c clutch relay
Audio control module (acm)
Battery junction box (bjb) (right front of engine compt, behind
Battery)
C192
C248
C260
C275
C290a
Evap canister purge valve (top right rear of engine)
Evap canister vent valve solenoid (under left rear of vehicle)
Fuel pump relay
Fuse 10a
Fuse 15a
Fuse 20a
G107 (left rear of engine compt)
G109 (front of right fender)
Hot at all times
Inertia fuel shut-off (ifs) switch (luggage compt, on left support)
Mass air flow/intake air temperature (maf/iat) sensor (behind air cleaner assembly)
Police accessory connector (pigtail) (if equipped)
Red
Red/pnk
S118
S119
S121
S165 (dash panel to headlamp junction harness, in breakout to g102)

4.6L Flex Fuel, Engine Performance Wiring Diagram (3 of 6) for Mercury Grand Marquis LS 2011

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (3 of 6) for Mercury Grand Marquis LS 2011:

40

(bottom center of rear seat) g405
(engine control sensor & fuel charge wiring harness, near breakout to cop 4)
(engine control sensor & fuel charge wiring harness, near breakout to powertrain control module (pcm))
(left front side of luggage compt) fuel pump driver module
(lower right front of engine) power steering pressure switch
(on right side center of engine) a/c pressure transducer sensor
(right side of engine) egr system module (esm)
(top left front of engine) cylinder head temperature sensor
(top right front of engine) fuel rail pressure/ temperature sensor
C110
C139
C192
C248
C433
Digital transmission range (dtr) sensor (left side of transmission)
Dpfe
Evr
Fppwr
Frp
Frt
Fuel tank pressure (ftp) sensor (in fuel tank)
Fuel tank unit (in fuel tank)
G406 (bottom center of rear seat)
Heated oxygen sensor (ho2s) 11 (lower right rear of engine, in exhaust manifold)
Heated oxygen sensor (ho2s) 12 (exhaust, rear of catalyst)
Heated oxygen sensor (ho2s) 21 (lower left rear of engine, in exhaust manifold)
Heated oxygen sensor (ho2s) 22 (exhaust, rear of catalyst)
Map
Nca
Red/pnk
S123
S126
S146
Sigrtn
Tr1
Tr2
Tr3a
Tr4
Vpwr
Vref

4.6L Flex Fuel, Engine Performance Wiring Diagram (4 of 6) for Mercury Grand Marquis LS 2011

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (4 of 6) for Mercury Grand Marquis LS 2011:

34

(engine control sensor & fuel charge wiring harness, near breakout to pcm)
(front of left cylinder bank) camshaft position sensor
(right side of transmission) 4r70e transmission
Anti-theft system
C175t
C213
Epc
Fuel level
Fuel level rtn
Ho2s 12
Ho2s 22
Htr-12
Htr-22
Instrument cluster (ic)
Oss sensor
Output shaft speed (oss) sensor (left side of transmission)
Patil
Powertrain control module (pcm) (left rear of engine compt)
Red
S147
Shift sol a
Shift sol b
Sig rtn 1
Ssa
Ssb
Tcc
Tcc sol
Tft
Tr1
Tr2
Tr3a
Tr4
Tss sen sig
Turbine shaft speed (tss) sensor (left side of transmission)

4.6L Flex Fuel, Engine Performance Wiring Diagram (5 of 6) for Mercury Grand Marquis LS 2011

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (5 of 6) for Mercury Grand Marquis LS 2011:

10

Coil on plugs (coil 1: top right front of engine) (coil 2: top right center of engine) (coil 3 & 4: top right rear of engine) (coil 5 & 6: top left front of engine) (coil 7: top left center of engine) (coil 8: top left rear of engine)
Fuel injectors (inj 1: top right front of engine) (inj 2 & 3: top right center of engine) (inj 4: top right rear of engine) (inj 5 & 6: top left front of engine) (inj 7: top left center of engine) (inj 8: top left rear of engine)
Ignition transformer capacitor (front of left cylinder bank)
Knock sensor (top left front of engine)
Red
Red/pnk
S135 (engine control sensor & fuel charge wiring harness, near breakout to heated oxygen sensor (ho2s) no.11)
S136 (engine control sensor & fuel charge wiring harness, near breakout to heated oxygen sensor (ho2s) 11)
Tan
Tan/red

4.6L Flex Fuel, Engine Performance Wiring Diagram (6 of 6) for Mercury Grand Marquis LS 2011

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (6 of 6) for Mercury Grand Marquis LS 2011:

54

(left rear of engine compt) powertrain control module (pcm)
(lower right front of engine) crankshaft position sensor
(right rear of engine) electronic throttle control (etc) motor
C175e
C192
Cht
Ckp+
Ckp-
Cmp
Cooling fans system
Cop1a
Cop2d
Cop3b
Cop4g
Cop5f
Cop6e
Cop7c
Cop8h
Dpfe
Evapcp
Evr
Fc-v
Frp
Frt
Fuel inj 1
Fuel inj 2
Fuel inj 3
Fuel inj 4
Fuel inj 5
Fuel inj 6
Fuel inj 7
Fuel inj 8
G107 (left rear of engine compt)
Gen mon
Ho2s-11
Ho2s-21
Htr-11
Htr-21
Iat
Ks1+
Ks1-
Maf
Mafrtn
Map
Red/pnk
S118
S158 (engine control sensor & fuel charge wiring harness, near breakout to c192)
Sigrtn 1
Starting/charging system
Tacm+
Tacm-
Tan
Tan/red
Vref

EXTERIOR LIGHTS

Accessory Lamps Wiring Diagram, Crown Police (1 of 3) for Mercury Grand Marquis LS 2011

List of elements for Accessory Lamps Wiring Diagram, Crown Police (1 of 3) for Mercury Grand Marquis LS 2011:

51

(dash panel harness to police glove box relay/ fuse center)
(dash panel harness to police glove box relay/ fuse center) s283
(dash panel harness to police glove box relay/fuse center)
(emergency jumper wiring harness, near breakout for c422)
(emergency jumper wiring harness, near breakout to c298) s291
(power distribution wiring harness, at breakout for police luggage compt relay/fuse center)
(power distribution wiring harness, at breakout for police luggage compt relay/fuse center) s479
(power distribution wiring harness, in breakout to police trunk relay/fuse center) s474
(right kick panel) g220
(right side of engine compt) wig-wag module
A1 fuse 2 10a
A1 relay r2
A2 fuse 2 5a
A2 relay r2
A3 fuse 5a
A3 relay r2
A4 fuse 2 10a
A4 relay r2
A5 fuse 2 10a
A6 fuse 2 10a
A6 relay r2
B1 fuse 4 5a
B1 relay 4
B2 fuse 4 10a
B2 relay 4
B3 fuse 4 5a
B4 fuse 10a
B4 relay
B5 fuse 10a
B5 relay 4
B6 fuse 10a
C298
C422
G411 (center front of luggage compt)
Harness to police glove box relay/fuse center)
Headlights system
Horns system
Kick panel) g220
Nca
Pnk
Police glove box relay/ fuse center (glove box)
Police trunk relay/fuse center (front of luggage compartment)
S285
S288
S289 (emergency jumper wiring harness, near breakout to c263)
S470
S472 (power distribution wiring harness, in breakout to police trunk relay/fuse center)
S476
S478
Tan
Tan s284

Accessory Lamps Wiring Diagram, Crown Police (2 of 3) for Mercury Grand Marquis LS 2011

List of elements for Accessory Lamps Wiring Diagram, Crown Police (2 of 3) for Mercury Grand Marquis LS 2011:

69

(center front of luggage compt) g411
(emergency jumper wiring harness near breakout for g411) s460
(emergency jumper wiring harness, near breakout for c422) s475
(front of right fender)
(luggage compt) strobe control module
10a
Battery junction box (bjb) (right front of engine compt, behind battery)
C11 fuse 4 20a
C12 fuse 4 10a
C260
C268
C275
C4231a
C4231b
C4231c
C4231d
C4231e
C4231f
C4231g
C4231h
C4231j
C431
Central junction box (cjb) (left of steering column)
Fuse 20a
Fuse 40a
Fuse 50a
Fuse 7.5a
G109
G411 (center front of luggage compt)
Hot at all times
Hot in run or acc
Inline fuse (under right end of dash)
Left front strobe assembly (left front of engine compt)
Left grille strobe assembly (behind left side of grille)
Left rear strobe assembly
Lh fr
Lh grille
Lh rear
M gnd
M r/a
P1 gnd
P1 r/a
P2 gnd
P2 r/a
Pnk
Police light bar relay/fuse center (front of luggage compt)
Police power relay
Rear deck led flasher
Red
Rh fr
Rh grille
Rh rear
Right front strobe assembly (right front of engine compt)
Right grille strobe assembly (right side of grille)
Right rear strobe assembly
S110
S121
S279
S282
S298
S464
S465
S487 (emergency jumper wiring harness, near breakout for c422)
Shield
Tan
To s468 (diagram 3 of 3)
Trunk air circulation fan motor (luggage compt)
W/o police light bar relay/fuse center
Wiring harness, near breakout to center console)

Accessory Lamps Wiring Diagram, Crown Police (3 of 3) for Mercury Grand Marquis LS 2011

List of elements for Accessory Lamps Wiring Diagram, Crown Police (3 of 3) for Mercury Grand Marquis LS 2011:

54

(luggage compt) smart siren amplifier
(power distribution wiring har- ness, in breakout to police light bar relay/ fuse center)
(power distribution wiring harness, in breakout to police light bar relay/ fuse center)
(power distribution wiring harness, in breakout to police light bar relay/fuse center) s466
(right front of engine) g101
(right kick panel) g220
Bar relay/ fuse center (front of luggage compt)
Battery (right side of engine compt)
Battery junction box (bjb) (right front of engine compt, behind battery)
C1 fuse 4 10a
C2 fuse 4 10a
C2 relay
C268
C275
C3 fuse 4 10a
C3 relay
C3257a
C3257b
C4 fuse 4 10a
C4 relay
C406
C431
C5 fuse 4 10a
C5 relay
C6 fuse 4 10a
C6 relay
C7 fuse 4 10a
C7 relay
C8 fuse 4 10a
From c12 fuse 4 (diagram 2 of 3)
Fuse 50a
G100 (front of right fender)
G411 (center front of luggage compartment)
Horns system
Hot at all times
Pnk
Police light bar relay/ fuse center (front of luggage compt)
Police light c8 relay
Red
Red/ pnk
Relay
Relay/fuse center
S281
S299
S350
S426
S462
S465
S468
S469
Siren speaker (right front of engine compt)
Strobe/light bar control switches
Tan
W/o police light bar

Accessory Lamps Wiring Diagram, Police Option Fuse Holder for Mercury Grand Marquis LS 2011

List of elements for Accessory Lamps Wiring Diagram, Police Option Fuse Holder for Mercury Grand Marquis LS 2011:

64

(bottom center of rear seat) g406
(dash panel to headlight junction harness, in breakout to g102)
(left rear of engine compt) powertrain control module (pcm)
(luggage compartment wiring harness, near breakout to c405)
(not used)
Anti-theft system
Battery junction box (bjb) (right front of engine compt, near battery)
C202a
C202c
C211
C214
C2145c
C248
C260
C268
C408
C4170a
C4170b
Central junction box (cjb) (left of steering column)
Demand lighting
Emergency flasher relay 1
Emergency flasher relay 2
Emergency flasher relay block (center rear of luggage compartment)
Engine controls system
Exterior lamps circuit
Front flasher connector
Fuse 20a
Fuse 25a
Fuse 40a
Fuse 50a
Fuse 7.5a
G102 (front of left fender)
G109 (front of right fender)
G403 (right rear seat)
Hot at all times
Hot in run or acc
Interior lights system
Left rear police flasher lamp
Left rear police tray lamp
Left side spot lamp
Lighting control module (under center of dash)
Luggage compartment lid release solenoid (center rear of luggage compt lid)
Multi-function switch
Pnk
Police accessory connector
Police power relay
Rear flasher
Rear flasher relay
Rear police auxiliary junction box (bottom center of rear seats)
Red
Right rear police flasher lamp
Right rear police tray lamp
Right side spot lamp
S112
S114
S121
S165
S224
S279
S403
S422 (in body main wiring harness, near breakout to c423)
S433
Tan
Vsout c175b

Back-up Lamps Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Back-up Lamps Wiring Diagram for Mercury Grand Marquis LS 2011:

21

(body main wiring harness, near breakout to temperature blend door actuator)
(bottom center of rear seat) g406
Auto-dimming interior mirror
C139
C248
C260
C405
C408
C423
C913
Central junction box (cjb) (left of steering column)
Digital transmission range (dtr) sensor (left side of transmission)
E c139
Fuse 10a
Hot in run or start
Left reversing lamp
Rev- erse
Right reversing lamp
S248
S420
W/ police

Exterior Lamps Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011:

73

(body main wiring harness, near breakout to g212) s360
(bottom center of rear seat g406
(not used)
(police)
(police) s243
(right kick panel)
(right kick panel) g203
(under center of dash) lighting control module (lcm)
Anti-lock brake system (abs) module
Auto
Autolamp on/off
Batt2
Bpp sw
C1010
C1019
C202a
C202c
C205a
C211
C2145a
C2145b
C2145c
C2145d
C260
C275
C405
C408
C423
C428
Central junction box (cjb) (left of steering column)
Flasher output
Flasher power
Fuse 10 15a 20a (police)
Fuse 15a
Fuse 2a
Fuse 7.5a
G102 (front of left fender)
G201
G203 (right kick panel)
Grand marquis
Hazard
Head
Headlamp off
Headlamps on
Hot at all times
Hot in run
Instrument cluster
Left front cornering lamp (grand marquis)
Left front park/ turn lamp
Left front parking lamp (crown victoria)
Left turn
License lamps
Logic batt
Logic gnd
Main light switch
Multi-function switch
Off
Park
Park/tail lamps
Parklamps on/off
Police
Right front cornering lamp (grand marquis)
Right turn
S109 (dash panel to headlight junction harness, in breakout to c132)
S112
S140 (grand marquis) (turn lights wiring harness, in breakout to c1010)
S142 (grand marquis) (dash panel to headlight junction harness, near breakout to g106)
S201
S210
S222 (police) (main wiring harness, in breakout to c260)
S223 (police) (main wiring harness, in breakout to c260)
S232
S420

Exterior Lamps Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011:

44

(behind center of rear seat)
(behind left kick panel)
(no connection)
(right kick panel)
1) normally open 2) brake depressed
Battery junction box (bjb) (right front of engine compartment, behind battery)
Brake pedal position (bpp) switch
C1019
C211
C408
C410
C411
Central junction box (cjb) (left of steering column)
Crown victoria
Emergency flasher relay 1
Emergency flasher relay 2
Emergency flasher relay block (police) (center rear of luggage compartment)
Fuse 15a
Fuse 20a
G109 (front of right fender)
G204
G212
G405
G410 (center rear of luggage compartment)
Grand marquis
High mounted stoplamp
Hot at all times
Left rear park/stop/ turn lamp 1
Left rear park/stop/ turn lamp 2
Power distribution system
Red
Right front park/ turn lamp
Right front parking lamp (crown victoria)
Right rear park/stop/ turn lamp 1
Right rear park/stop/ turn lamp 2
S114
S204
S246
S267
S406 (body main wiring harness, near breakout to c423)
S422 (body main wiring harness, near breakout to c423)
S490 (w/ air suspension)
Taxi roof lamp
Taxi roof lamp switch (taxi dso)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Mercury Grand Marquis LS 2011

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Mercury Grand Marquis LS 2011:

73

(grand marquis)
(grand marquis) left front park/ turn lamp
(grand marquis) right front fog lamp
(grand marquis) right front park/turn lamp
(not used)
(pcm))
A/c clutch diode
A/c compressor clutch field coil
Air suspension compressor assembly
Air suspension compressor relay
Anti-lock brake system (abs) module
Battery
Battery junction box (bjb) (right front of engine compt, behind battery)
Blower
Blower motor relay
Brake fluid level switch
C1010
C1019
C1284
C1285
C133
C1386
C1393
C175b
C192
C2131a
C250
C260
Data link connector (dlc)
Engine cooling fan module
Fog lamp relay
Fuel pump relay
G100 (front of right fender)
G101 (right front of engine)
G102 (front of left fender)
G103 (front of left fender)
G106 (left rear of engine compartment)
G107 (left rear of engine compartment)
G108 (front of right fender)
G109 (front of right fender)
Grand marquis
Horn
Ignition coils relay
Left front fender ends in harness
Left front fog lamp
Left front park/ turn lamp
Left front parking lamp
Left headlamp
Low band radio trunk tray ends in harness
Mass air flow/ intake air temperature (maf/iat) sensor
Motor resistor
Motor speed control
Nca
Pcm power relay
Police power relay
Powertrain control module (pcm)
Right front fender ends in harness
Right front park/turn lamp
Right front parking lamp
Right headlamp
S112 (dash panel to headlamp junction harness, near breakout to c1010)
S113 (dash panel to headlight junction harness, near breakout to powertrain control module
S114 (dash panel to headlight junction harness, near breakout to c1010)
S118 (dash panel to headlight junction harness, near breakout to powertrain control module)
S121 (dash panel to headlight junction harness, near breakout to battery junction box (bjb))
S158 (engine control sensor & fuel charge wiring harness, near breakout to c192)
Shield
Starter relay
Vehicle dynamics module (vdm)
W/ police
Washer fluid level switch
Windshield washer pump motor
Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 4) for Mercury Grand Marquis LS 2011

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Mercury Grand Marquis LS 2011:

82

(left of steering column) central junction box (cjb)
(main wiring harness, near breakout to right footwell courtesy light)
(w/ steering wheel audio/climate control switch) audio/climate control switch
(w/ steering wheel audio/climate control switch) steering wheel speed control switch
(w/o steering wheel audio/climate control switch) steering wheel speed control switch
Accessory relay
Adjustable pedal switch
Audio control module (acm)
Autolamp sensor
Base radio
Brake shift interlock
C202b
C202c
C205a
C205b
C2145a
C2145c
C217b
C218a
C218b
C228a
C2330a
C2330b
C237
C240
C268
C290a
C294b
C294d
C299
C310a
C310b
C312
C501b
C526b
C602b
C715b
C820b
Climate control assembly
Clock- spring
Clockspring
Data link connector (dlc)
Driver door module (ddm)
Driver side front door ajar switch
Driver side rear door ajar switch
Eatc, hvac module
Front cigar lighter
G109 (police) (front of right fender)
G201 (right kick panel)
G202 (right kick panel)
G203 (right kick panel)
G204 (right kick panel)
G420 (right "c" pillar)
G425 (police) (center front of luggage compartment)
Horn switch
Instrument cluster (ic)
Left footwell courtesy lamp
Lighting control module (lcm)
Main light switch
Message center switch
Multi-function switch
Occupant classification system module
Passenger side front door ajar switch
Passenger side rear door ajar switch
Passive anti-theft system (pats) transceiver
Power point
Rear window defrost switch
Restraints control module (rcm)
Right footwell courtesy lamp
S201 (main wiring harness, in breakout to adjustable pedal switch)
S204 (main wiring harness, near breakout to electronic automatic temperature control (eatc) module)
S207 (main wiring harness, near breakout to rear window defrost switch)
S210
S212 (cigar lighter wiring harness, in breakout to front cigar lighter)
S217 (body main wiring harness, near breakout to c919)
S294 (steering wheel control switch jumper harness, in breakout to steering wheel/speed control switch)
Sanyo
Shield
Taxi roof lamp ends in harness
Taxi roof lamp switch
Temperature blend door actuator
Traction control switch

Ground Distribution Wiring Diagram (3 of 4) for Mercury Grand Marquis LS 2011

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Mercury Grand Marquis LS 2011:

70

(center rear of luggage compartment) (police) emergency flasher relay block
(crown police) glove box ends in harness
(crown police) strobe/ light bar control switch
(emergency jumper wiring harness, near breakout to c263) s299
(glove box) (crown police) police glove box relay/ fuse center
(luggage compartment jumper wiring harness, near breakout to c405) s403
(police w/o fire suppression) instrument cluster (i/c)
(police) left rear police flasher lamp
(police) rear police auxiliary junction box
(police) right rear police flasher lamp
(sanyo) subwoofer amplifier
(w/ air
Brake pedal position (bpp) switch
C213
C298
C311
C3257a
C405
C408
C4170b
C423
C432
C465
C466a
C501b
C504a
C510
Driver door module (ddm)
Driver side door lock switch
Driver side front heated seat module
Driver side front seat adjust switch
Driver side seat heater switch
Emergency flasher relay 1
Emergency flasher relay 2
Exterior rear view mirror switch
Fuel pump driver module
G212 (behind left kick panel)
G213 (behind left kick panel)
G220 (right kick panel)
G403 (right rear seat)
G405 (bottom center of rear seat)
G406 (bottom center of rear seat)
G407 (behind left rear seat)
High mounted stoplamp
Keyless entry keypad
Left exterior rear view mirror
Left front lumbar control switch
Left rear air spring solenoid valve
Left reversing lamp
License lamps
Luggage compartment lid release solenoid
Master window adjust switch
Nca
Park brake switch
R2.a1 relay
R2.a3 relay
R2.a4 relay
R2.a5 relay
R2.a6 relay
Red
Right rear air spring solenoid valve
Right reversing lamp
S285 (dash panel harness to police glove box relay/fuse center)
S315 (power seats harness, near breakout to c311)
S420 (rear license plate lamp wiring harness, in breakout to c405)
S490 (w/ air suspension) (main body wiring harness, near breakout to fuel pump driver module)
S500 (body main wiring harness, near breakout to exterior rearview mirror switch)
Shield
Suspension)
W/ police

Ground Distribution Wiring Diagram (4 of 4) for Mercury Grand Marquis LS 2011

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Mercury Grand Marquis LS 2011:

51

(body main wiring harness, near breakout to passenger side front power window motor)
(crown police)
(crown victoria) map reading lamps
(front of luggage compartment) police trunk relay/ fuse center
(grand marquis) rear interior/map lamps assembly
(int lamps wiring harness, in breakout to c913) s902
(power distribution wiring harness, in breakout to police trunk relay/fuse
Auto- dimming interior mirror
C312
C3281a
C406
C410
C411
C422
C4231a
C4231b
C4231c
C610
C913
C919
Center)
Fire suppression manual switch
Fire suppression system module (fssm)
G200 (right kick panel)
G408 (behind left rear seat)
G410 (center rear of luggage compartment)
G411 (center front of luggage compartment)
Interior spot lamp (police)
Left rear park/stop turn lamp 2
Left rear park/stop/ turn lamp 1
Left vanity mirror lamp
Passenger side door lock switch
Passenger side front heated seat module
Passenger side front seat adjust switch
Passenger side seat heater switch
R4.b1 relay
R4.b4 relay
Rear deck led flasher
Right exterior rear view mirror
Right front lumbar control switch
Right rear park/stop turn lamp 2
Right rear park/stop/ turn lamp 1
Right vanity mirror lamp
S320 (power seats harness, near breakout to occupant classification sensor module)
S465 (emergency jumper wiring harness, near breakout for c422)
S476
Smart siren amplifier
Strobe control module
Trunk air circulation fan motor
Trunk ends in harness
Trunk tray ends in harness

HEADLIGHTS

Headlamps Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Headlamps Wiring Diagram for Mercury Grand Marquis LS 2011:

83

(dash panel to headlight junction harness, near breakout to g106) s170
(dash panel to headlamp junction harness, near breakout to g106)
(front of left fender)
(left of steering column)
(right front of engine compt, behind battery)
(right kick panel)
Air conditioning system
Auto
Auto lamp on/off (delete for police)
Auto lamp sens (delete for police)
Autolamp sensor (under upper left side of dash)
Batt2
Batt3
Batt4
Batt6
Battery junction
Box (bjb)
Box (cjb)
C1386
C1393
C202c
C205a
C205b
C2145a
C2145b
C2145c
C2145d
C248
C260
Central junction
Control solid state
Dim
Dome
Dome lamp sw
Driver door module (police) (bottom front of left front door)
Fog lamp ind
Fog lamp relay
Fog lamp rly
Fog lamp sw
Ftp
Fuse 10a
Fuse 15a
G102
G102 (front of left fender)
G109 (front of right fender)
G201 (right kick panel)
G203
Head
Headlamp off
Headlamps on
Headlight junction harness, near breakout to g102)
Hi beam disable c501a
Hi beam sw
Hot at all times
Illumination
Interior lights system
Lamps fog
Left front fog lamp
Left headlamp
Left hi beam out
Left lo beam
Lighting control module (under center of dash)
Logic gnd
Main light switch
Multi-function switch
Off
Panel dimmer
Park
Parklamps on/off
Pnk
Right front fog lamp
Right headlamp
Right hi beam out
Right lo beam
S112
S114
S121
S140 (police) (turn lights wiring harness, in breakout to c1010)
S142 (police)
S201
S207
S210
Wig/wag jumper (police)

Lighting Control Module Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Lighting Control Module Wiring Diagram for Mercury Grand Marquis LS 2011:

67

Anti-lock brakes system
Anti-theft system
Auto lamp on/off (delete for police)
Auto lamp sens (delete for police)
Batt1
Batt2
Batt3
Batt4
Batt5
Batt6
Brake shift interlock
Brake switch
C2145a
C2145b
C2145c
C2145d
Central junction box (cjb) (left of steering column)
Computer data lines system
Courtesy lamps
Demand lighting
Dome lamp sw
Exterior lights system
Flasher output
Flasher power
Fog lamp rly (mercury)
Fog lamp sw (mercury)
Fuse 10a
Fuse 15a
Fuse 7.5a
G201 (right kick panel)
Headlamp off
Headlamps circuit
Headlamps on
Hi beam switch
Horn rly ctrl
Horns system
Hot at all times
Hot in run or acc
Hot in run or start
Interior lights system
Key in ignition
Left hi beam out
Left lo beam
Lighting control module (under center of dash)
Logic batt
Logic ground
Panel dimmer
Park/tail lamps
Parklamps on/off
Pnk
Power distribution system
Pwm dimming
Rcm/chime request
Right beam out
Right lo beam
Run/acc
Run/start
S210
S276
Scp +
Scp -
Shift interlock system
Traction ctrl sw ind
Trunk ajar
Trunk lamp
Wiper in (delete for police)
Wiper/washer system

HORN

Horn Wiring Diagram, with Police for Mercury Grand Marquis LS 2011

List of elements for Horn Wiring Diagram, with Police for Mercury Grand Marquis LS 2011:

16

C133
C298
C494
Fuse 2 a7 20a
Fuse 4 c9 5a
G108 (front of right fender)
G220 (right kick panel)
Horn (front center of engine compt)
Hot in run or acc
Hot w/ horn relay energized
Nca
Police glove box relay/fuse center (glove box)
Police light bar relay/fuse center (front of luggage compt)
R2 a5 relay
S285
Smart siren amplifier (luggage compt)

Horn Wiring Diagram, without Police for Mercury Grand Marquis LS 2011

List of elements for Horn Wiring Diagram, without Police for Mercury Grand Marquis LS 2011:

18

(front of right fender)
Battery junction box (bjb) (right front of engine compt, behind battery)
C2145b
C217a
C218a
C218b
C260
Clock- spring (top of steering column)
Ctrl
Fuse 20a
G108
G201 (right kick panel)
Horn (front center of engine compt)
Horn relay
Horn switch (near steering wheel)
Hot at all times
Lighting control module (under center of dash)
S210

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Instrument Cluster Wiring Diagram for Mercury Grand Marquis LS 2011:

89

(behind center of rear seat) g406
(behind left kick panel)
(body main wiring harness, near breakout to air suspension module) s259
(front of left fender)
(rear of left rear door) driver side rear door ajar switch
(rear of right rear door) passenger side rear door ajar switch
(right kick panel)
(top rear of left front door) driver side front door ajar switch
(top rear of right front door) passenger side front door ajar switch
Air susp/fsil
Batt
Brake fluid level switch (on brake fluid reservoir)
Brake ind
C192
C213
C2145b ajar
C248
C260
C408
C423
C501a
C526a
C526b
C602a
C602b
C715a
C715b
C820a
C820b
Central junction box (cjb) (left of steering column)
Computer data lines system
Dr ajar sw
Driver door module (bottom front of left front door)
Except police
Exterior lights system
Fire suppression system module (fssm) (police) c3281a (under rear seat)
Fsil
Fuel level
Fuel level rtn
Fuel level sender (in fuel tank)
Fuse 10a
Fuse 7.5a
G102
G201
G203 (right kick panel)
G212
Hot at all times
Hot in run
Hot in start or run
Hs can+
Hs can-
Info
Instrument cluster
Interior lights system
Left turn
Lighting control module (under center of dash)
Logic gnd
Luggage compartment lid release solenoid (center rear of luggage compartment lid)
Message center sw 1
Message center sw 2
Message center switch
Nca
Oil pressure
Oil pressure switch (lower left side of engine, above oil filter)
Park brake switch (behind left side of dash, on top of parking brake assembly)
Pass ajar sw
Police
Power distribution system
Pwr gnd
Reset
Right turn
Ril
Run
Run/start
S112
S207
S210
S267
S276
S403
Scp+
Scp-
Select
Setup
Suppression
Swrtn
W/o fire
Washer level
Wiper/washer system

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Courtesy Lamps Wiring Diagram for Mercury Grand Marquis LS 2011:

84

(body main wiring harness, near breakout to air suspension module) s259
(body main wiring harness, near breakout to g212) s330
(bottom center of rear seat) g406
(except police) (police)
(interior lights wiring harness, near breakout to right vanity mirror lamp)
(main wiring harness, near breakout to instrument cluster) s233
(police)
(rear of left rear door) driver side rear door ajar switch
(rear of right rear door) passenger side rear door ajar switch
(right kick panel)
(right kick panel) g200
(right kick panel) g201
(top rear of left front door) driver side front door ajar switch
(top rear of right front door) passenger side front door ajar switch
Batt5
C205b
C211
C213
C2145a
C2145b
C2145c
C2145d
C260
C275
C408
C423
C501a
C501b
C526a
C526b
C602a
C602b
C715a
C715b
C820a
C820b
C913
Central junction box (cjb) (left of steering column)
Computer data lines system
Courtesy lamps
Crown victoria
Demand lighting
Dimmer
Dome
Dome lamp sw
Dr door ajar sw
Driver door module (bottom front of left front door)
Emergency flasher relay block (center rear of luggage compt)
Except police
Fuse 15a
G200
G203 (right kick panel)
G204 (right kick panel)
Glove box lamp
Grand marquis
Hot at all times
In breakout to left footwell courtesy light)
Left footwell courtesy lamp
Left vanity mirror lamp
Lighting control module (under center of dash)
Luggage compartment lamp
Luggage compartment lid release solenoid (center rear of luggage compt lid)
Main light switch
Map reading lamps
Panel dimmer
Pass door ajar sw
Police
Police accessory connector (pigtail)
Rear flasher relay
Rear interior/ map lamps assembly (grand marquis)
Right footwell courtesy lamp
Right vanity mirror lamp
S201
S204
S403
S600
S900
S902
S902 s600
Scp+
Scp-
Stop reading lamp
Trunk ajar
Trunk lamp

Instrument Illumination Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Instrument Illumination Wiring Diagram for Mercury Grand Marquis LS 2011:

96

(right kick panel) g201
(right kick panel) g203
(steering wheel control switch jumper harness, in breakout to steering wheel/speed control switch) s293
(top of steering column)
Adjustable pedal switch
Audio control module (acm)
Audio/ climate control switch
Auto
Base audio
Batt1
Batt5
C205a
C205b
C213
C2145a
C2145b
C2145c
C218a
C218b
C228b
C2330a
C2330b
C240
C290a
C294d
C501a
C501b
Central junction box (cjb) (left of steering column)
Climate control assembly
Clockspring
Computer data lines system
Dimmer
Dome
Dome lamp sw
Driver door module (bottom front of left front door)
Driver side door lock switch
Fuse 10a
Fuse 15a
Fuse 5a
Fuse 7.5a
G200 (right kick panel)
G202 (right kick panel)
G203 (right kick panel)
G212 (behind left kick panel)
Gnd
Head
Headlamps on
Hot at all times
Hot in acc or run
Hot in start or run
Hot w/ key in ignition
Hvac module (eatc)
Illum
Key in ignition
Keyless entry keypad
Kick panel) g203
Lighting control module (under center of dash)
Logic batt
Logic gnd
Main light
Main light switch
Manual a/c
Message center switch
Off
Panel dimmer
Park
Parklamps on/off
Passenger side door lock switch
Power illum
Pwm
Pwm dimming
Rear window defrost switch
Run/acc
Run/st
S201
S207
S210
S229
S254
S276
S287 (main wiring harness, near breakout to rear window defrost switch)
S294
S500
S600
Sanyo audio
Scp+
Scp-
Steering wheel/ speed control switch
Steering wheel/speed control switch
Switch
Traction control switch
Variable volt dim
Variable volt dim c228a
W/ steering wheel audio/climate control switch
W/eatc
W/o steering wheel audio/climate control switch

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Mercury Grand Marquis LS 2011

List of elements for Power Distribution Wiring Diagram (1 of 5) for Mercury Grand Marquis LS 2011:

92

(body main wiring harness, near breakout to c248)
(body main wiring harness, near breakout to g212) s234
(front of right fender)
(main wiring harness, near breakout to central junction box) s215
(main wiring wiring harness, near breakout to c919)
(right front of engine compt,
(starter motor relay & battery ground wiring harness, near breakout to g101)
2 of 5)
Abs module
Acc
Battery
Battery junction box (bjb)
Battery junction box (bjb) (right front of engine compt, near battery)
Behind battery)
Blower motor relay
C102a
C102b
C175b
C192
C197a
C202a
C206
C211
C213
C2131a
C214
C2145a
C228a
C237
C248
C260
C294a
C311
C312
C313
C3281a
C919
Central junction box (cjb) (left of steering column)
Circuit breaker f601 20a
Climate control assembly
Driver side front heated seat module
Driver side front seat adjust switch
Driver side lumbar adjust switch
Engine cooling fan module
Evap canister vent control solenoid
Fire suppression manual switch
Fire suppression system module (fssm)
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 30a
Fuse 40a
Fuse 50a
Fuse 5a
G100
G101 (right front of engine)
Generator
Grand marquis
Hvac module, eatc
Ignition switch
Instrument cluster (ic)
Key-in ignition switch
Left side spot lamp (taxi & police)
Lighting control module
Lock
Luggage compartment lid release switch 2
Manual climate control
Multi- function switch
Off
Passenger side front heated seat module
Passenger side front seat adjust switch
Passenger side lumbar adjust switch
Powertrain control module (pcm)
Red
Right side spot lamp (police)
Run
S137 (starter motor relay & battery ground wiring harness, near breakout to g101)
S162
S200 (main wiring harness, in breakout to c260)
S224
S242
S365
Start
Starter motor
Temperature blend door actuator
To central junction box fuse 1 (diagram 2 of 5)
To central junction box fuse 20 (diagram 2 of 5)
To central junction box fuse 5 (diagram 5 of 5)
To fuse 8 (diagram
Vehicle dynamics module (vdm)
W/ eatc
W/ fire suppression

Power Distribution Wiring Diagram (2 of 5) for Mercury Grand Marquis LS 2011

List of elements for Power Distribution Wiring Diagram (2 of 5) for Mercury Grand Marquis LS 2011:

61

(base)
(body main wiring harness, near breakout to g200) s213
(dash panel to headlight junction harness, near breakout to g106)
(main wiring harness, in breakout to instrument cluster) s239
(main wiring harness, near breakout to instrument cluster)
(not used)
(right front of engine compt, near battery) battery junction box (bjb)
(sanyo)
Anti- lock brake system module
Anti-lock brake system module
Audio control module (acm)
C139
C2145a
C2145b
C237
C240
C260
C290a
C299
C310a
C310b
C312
C501b
Central junction box (cjb) (left of steering column)
Digital transmission range (dtr) sensor
Digital transmission range sensor
Driver door module
Exterior lights system
From battery junction box (bjb) ignition coils relay (diagram 2 of 5)
From fuse 2 (diagram 1 of 5)
From ignition switch (diagram 1 of 5)
Fuel pump relay
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 30a
Fuse 40a
Fuse 5a
Fuse 7.5a
Ignition coils relay
Instrument cluster (ic)
Lighting control module
Occupant classification sensor module
Passenger air bag deactivation (pad) indicator
Passive anti-theft transceiver
Pcm power diode
Pcm power relay
Power point
Rear window defrost relay
Restraints control module
S160
S190 (dash panel to headlight harness, near breakout to battery junction box)
S276
S515 (body main wiring harness, near breakout
Starter relay
To battery junction box (bjb) fuse 5 (diagram 3 of 5)
To central junction box (cjb) fuse 24 (diagram 2 of 5)
To driver's door module)
Traction control switch
Transmission control switch
W/ crown police

Power Distribution Wiring Diagram (3 of 5) for Mercury Grand Marquis LS 2011

List of elements for Power Distribution Wiring Diagram (3 of 5) for Mercury Grand Marquis LS 2011:

65

(body main wiring harness, in breakout to c248) s246
(body main wiring harness, near breakout to g200) s220
(dash panel to headlight junction wiring harness, in breakout to c214)
(diagram 3 of 5)
(not used)
(power distribution wiring harness, in breakout to police light bar relay/fuse center) s462
(right front of engine compt, near battery) battery junction box (bjb)
(w/o police light bar relay/fuse center)
(w/o police) (w/ police)
A/c clutch relay
Battery junction box (bjb) (right front of engine compt, near battery)
Blower motor relay
Brake pedal position (bpp) switch
C1 relay 4
C2 relay 4
C2131a
C214
C248
C268
C275
C3 relay 4
C311
C313
C4 relay 4
C406
C431
C432
C466a
C5 relay 4
C6 relay 4
C7 relay 4
C8 relay 4
Driver side front heated seat module
Emergency flasher relay 1
Emergency flasher relay 2
Emergency flasher relay block (w/ police) (center rear of luggage compartment)
Fog lamp relay
From battery junction box (bjb) fuse 16 c
From battery junction box b (bjb) fuse 13 (diagram 2 of 5)
Fuse 10a
Fuse 15a
Fuse 20a
Fuse 20a 25a
Fuse 40a
Fuse 50a
Horn relay
Near breakout to c405) s433
Passenger side front heated seat module
Police
Police accessory connector (pigtail)
Police light bar relay/fuse center (front of luggage compartment)
Rear flasher relay
Red
S281
S469 (power distribution wiring harness, in breakout to police light bar relay/fuse center)
Speed control deactivator switch
Subwoofer amplifier
To battery junction box (bjb) fuse 103 (diagram 4 of 5)
To battery junction box (bjb) fuse 113 (diagram 3 of 5)
To rear police auxiliary junction box (diagram 5 of 5)
Vehicle dynamics module (vdm)
W/ crown police
W/ police
W/o
Wiring harness, near breakout to center console)

Power Distribution Wiring Diagram (4 of 5) for Mercury Grand Marquis LS 2011

List of elements for Power Distribution Wiring Diagram (4 of 5) for Mercury Grand Marquis LS 2011:

48

(body main wiring harness, near breakout to g212) s254
(w/o police) (w/ police)
Adjustable pedal switch
Audio control module (acm)
Autolamp sensor
Base
Battery junction box (bjb) (right front of engine compt, near battery)
C202a
C211
C2145a
C2145c
C228a
C240
C260
C275
C290a
C299
C501b
Central junction box (cjb) (left of steering column)
Data link connector (dlc)
Driver door module
Electronic automatic temperature control (eatc) module
Except police
Exterior rear view mirror switch
From battery junction box d (bjb) fuse 117 (diagram 3 of 5)
Front cigar lighter
Fuse 10a
Fuse 15a
Fuse 15a 20a
Fuse 20a
Fuse 30a
Fuse 50a
Fuse 7.5a
Instrument cluster (ic)
Keyless entry keypad
Lighting control module
Luggage compartment lid release switch 1
Multi-function switch
Police accessory connector (pigtail)
S244 (main wiring harness, near breakout to right footwell courtesy light)
S426 (emergency jumper wiring harness, in breakout for strobe/light bar control switch)
Sanyo
Tan
Taxi roof lamp switch
To battery junction box (bjb) fuse 118 (diagram 5 of 5)
To central junction box fuse 23 (diagram 5 of 5)
W/ police
Windshield wiper motor

Power Distribution Wiring Diagram (5 of 5) for Mercury Grand Marquis LS 2011

List of elements for Power Distribution Wiring Diagram (5 of 5) for Mercury Grand Marquis LS 2011:

71

(base)
(body main wiring harness, near breakout to c248) s229
(dash panel to headlight junction wiring harness, near breakout to c275) s282
(emergency jumper wiring harness, near breakout for c422) s470
(main wiring harness, near breakout to central junction box)
(police if equipped)
(power distribution wiring harness, in breakout to police trunk relay/fuse center)
(sanyo)
10a
Accessory relay
Air suspension compressor relay
Antenna module
Audio control module (acm)
Auto-dimming interior mirror
B1 fuse 4
B1 relay 4
B2 fuse 4
B2 relay 4
B3 fuse 4
B4 relay 4
B5 relay 4
Battery junction box (bjb) (right front of engine compartment, behind battery)
Battery junction box (bjb) (right front of engine compt, near battery)
C202c
C211
C213
C2145b
C2145c
C2145d
C240
C260
C290a
C402b
C4170a
C422
C504b
Central junction box (cjb) (left of steering column)
Circuit breaker f602 20a
Driver side door lock switch
Driver side seat heater switch
From battery junction box (bjb) s244 (diagram 4 of 5)
From battery junction box e (bjb) fuse 111 (diagram 4 of 5)
From battery junction box n (bjb) fuse 115 (diagram 3 of 5)
From ignition switch (diagram 1 of 5)
Fuse 10a
Fuse 15a
Fuse 30a (w/o police) 40a (w/ police)
Fuse 50a
Fuse 7.5a
G203 (right kick panel)
Lighting control module
Luggage compartment lid release switch 1
Luggage compartment lid release switch 3
Master window adjust switch
Multi-function switch
Passenger side door lock switch
Passenger side seat heater switch
Pnk
Police power relay
Police trunk relay/fuse center (front of luggage compartment)
Rear police auxiliary junction box (w/ police)
Red
Relay/fuse center)
S207
S279
S474
S478
S502 (body main wiring harness, near breakout to exterior rearview mirror switch)
W/ crown police
W/ police
Windshield wiper motor

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011:

56

(body main wiring harness, near breakout to left front door lock actuator) s520
All doors lock
Antenna module (base of right "c" pillar)
Battery junction box (bjb) (right front of engine compt, behind battery)
C248
C501a
C501b
C501c
C526a
C526b
C602a
C602b
C715a
C715b
C820a
C820b
Computer data lines system
Decklid rel in
Door lock
Door unlock
Dr door ajar sw
Dr door unlk
Driver door module (bottom front of left front door)
Driver side front door ajar switch (top rear of left front door)
Driver side rear door ajar switch (rear of left rear door)
Fuse 20a
G201 (right kick panel)
G212 (behind left kick panel)
G420 (right "c" pillar)
Hot at all times
Keypad illum
Keypad input a
Keypad input b
Keypad input c
Logic bat
Logic gnd
Nca
Pass door unlk
Pass dr ajar sw
Passenger side front door ajar switch (top rear of right front door)
Passenger side rear door ajar switch (rear of right rear door)
Pwr gnd
Red
Red/
Rf ask/fsk sel
Rf data
Rf recur enable
Rf recvr gnd
Rf recvr pwr
S217
S500
S515
Scp+
Scp-
Vbatt
Wiring harness, near breakout to air suspension module) s259

Power Door Locks Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011:

50

(behind left kick panel)
(body main wiring harness, near breakout to exterior rearview mirror switch)
(right kick panel) g200
1/2
3/4
5/6
7/8
9/0
C213
C2145a
C2145b
C423
Central junction box (cjb) (left of steering column)
Computer data lines system
Driver side door lock switch
Exterior lights system
Fuse 7.5a
G212
G212 (behind left kick panel)
G406 (bottom center of rear seat)
Horn
Horns system
Hot at all times
Hot in run or acc
Illumination
Keyless entry keypad
Left front door lock actuator (rear of left front door)
Left rear door lock actuator (rear of left rear door)
Lighting control module (under center of dash)
Lock
Luggage compartment lid release solenoid (center rear of luggage compt lid)
Luggage compartment lid release switch 1
Passenger side door lock actuator (rear of right front door)
Passenger side door lock switch
Police
Power distribution system
Right rear door lock actuator (rear of right rear door)
S229 (body main wiring harness, near breakout to c248)
S254
S260 (body main wiring harness, near breakout to g212)
S261 (body main wiring harness, near breakout to g212)
S403
S500
S503 (body main wiring harness, near breakout to driver's door module)
S510
S600
Scp+
Scp-
Trunk ajar
Unlock

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Electrochromic Mirror Wiring Diagram for Mercury Grand Marquis LS 2011:

28

(body main
(right kick panel)
Auto-dimming interior mirror
C139
C139 e
C260
C408
C423
C913
Central junction box (cjb) (left of steering column)
Digital transmission range (dtr) sensor (left side of transmission)
Door actuator)
Exterior
Fuse 10a
Fuse 7.5a
G200
Ground
Hot in run or acc
Hot in run or start
Lights system
Near breakout to temperature blend
Police
Pwr
Reverse
S229
S248
S600
Wiring harness,

Power Mirrors Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Power Mirrors Wiring Diagram for Mercury Grand Marquis LS 2011:

18

Central junction box (cjb) (left of steering column)
Defogger system
Down
Exterior rear view mirror switch
Fuse 7.5a
G212 (behind left kick panel)
Hot at all times
Left
Left exterior rear view mirror
Left mirror select
Left/ right
Right
Right exterior rear view mirror
Right mirror select
S250 (main body wiring harness, near breakout to g212)
S254
S500
Up/ down m

POWER SEATS

Adjustable Pedal Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Adjustable Pedal Wiring Diagram for Mercury Grand Marquis LS 2011:

14

(main wiring harness, near breakout to electronic automatic temperature control module) s204
Adjustable pedal motor (below left side of dash)
Adjustable pedal switch
C211
Central junction box (cjb) (left of steering column)
Fuse 15a
Fwd
G203 (right kick panel)
G204 (right kick panel)
Hot at all times
Interior lights system
Red
Rwd
S207 (main wiring harness, near breakout to rear window defrost switch)

Driver Power Seat Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Driver Power Seat Wiring Diagram for Mercury Grand Marquis LS 2011:

15

(behind left kick panel) g213
Battery junction box (bjb) (right front of engine compt, behind battery)
C311
Circuit breaker f601 20a
Driver seat recliner motor
Driver side front seat adjust switch
Front up/down
Fwd
Fwd/back
Hot at all times
Left power seat motor assembly (driver's seat)
Rear up/down
Recline fwd/back
Rwd
S242

Heated Seats Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Heated Seats Wiring Diagram for Mercury Grand Marquis LS 2011:

47

Backlighting
Batt
Battery junction box (bjb) (right front of engine compt, behind battery)
C311
C312
C313
C334
C364
C510
C610
Central junction box (cjb) (under left side of dash)
Driver side front heated seat module (driver seat)
Driver side seat heater switch
Fuse 10a
Fuse 20a
Fuse 7.5a
G200 (right kick panel)
G212 (behind left kick panel)
Gnd
High ind
High/off
Hot at all times
Hot in run
Hot in run or acc
Htr feed
Htr rtn
Ign/run
Left front seat back heater
Left front seat cushion heater (driver's seat)
Low
Low ind
Low/off
Nca
Ntc rtn
Ntc sense
Passenger side front heated seat module (under passenger seat)
Passenger side seat heater switch
Red
Right front seat back heater
Right front seat cushion heater (under right front seat)
S220
S229
S315
S320
S365
S500
S600

Passenger Power Seat Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Passenger Power Seat Wiring Diagram for Mercury Grand Marquis LS 2011:

17

(right kick panel)
Battery junction box (bjb) (right front of engine compt, near battery)
C312
Circuit breaker f601 20a
Front up/down
Fwd
Fwd/back
G200
Hot at all times
Passenger seat recliner motor
Passenger side front seat adjust switch
Rear up/down
Recline fwd/back
Right power seat motor assembly (front passenger's seat)
Rwd
S242
S600

POWER WINDOWS

Power Windows Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Power Windows Wiring Diagram for Mercury Grand Marquis LS 2011:

31

(body main wiring harness, near breakout to air suspension module)
(police)
Accessory relay
Battery junction box (bjb) (right front of engine compt, behind battery)
C260
C340
C504a
C504b
C700
C800
Central junction box (cjb) (left of steering column)
Circuit breaker 20a
Driver side front power window motor (left front door)
Exp
G213 (behind left kick panel)
Gnd
Hot at all times
Left rear power window motor (rear of left rear door)
Left rear window adjust switch
Lockout
Master window adjust switch
Passenger side front power window motor (right front door)
Police
Relay
Right rear power window motor (rear of right rear door)
Right rear window adjust switch
Right side front power window switch
S303 s264 (except police) (body main wiring harness, near breakout to restraints control module)
S502 (police) (body main wiring harness, near breakout to exterior rearview mirror switch)
Up sense
Up shunt

RADIO

Base Radio Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Base Radio Wiring Diagram for Mercury Grand Marquis LS 2011:

43

(right kick panel) g203
Amp gnd
Ant pwr
Antenna module (base of right "c" pillar)
Audio unit
Batt +
C213
C237
C402a
C402b
Central junction box (cjb) (left of steering column)
Def pwr
Defogger system
Fuse 15a
Fuse 5a
Fuse 7.5a
G202 (right kick panel)
Hot at all times
Hot in run or acc
Hot in start
Ill gnd
Interior lights system
L front spkr (+)
L front spkr (-)
L rear spkr (+)
L rear spkr (-)
Left front speaker
Left rear speaker
Pair wires
Power distribution system
Pwm dimming
R front spkr (+)
R front spkr (-)
R rear spkr (+)
R rear spkr (-)
Rad gnd
Right front speaker
Right rear speaker
Run/acc
S207
S279
Start
Twisted

Premium Radio Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Premium Radio Wiring Diagram for Mercury Grand Marquis LS 2011:

84

(steering wheel control switch jumper harness,
Ant pwr
Antenna module (base of right "c" pillar)
Audio unit
Audio/climate control switch
Aux out1+
Aux out1-
Auxout 1 enable
Auxout shield
Batt+
Battery junction box (bjb) (right front of engine compt, behind battery)
C213
C218a
C218b
C228b
C237
C248
C290a
C290c
C402a
C402b
C432
C466a
C466b
Central junction box (cjb) (left of steering column)
Clock spring
Def pwr
Defogger system
Engine controls system
Fuse 15a
Fuse 20a
Fuse 5a
Fuse 7.5a
G202 (right kick panel)
G203 (right kick panel)
G407 (behind left rear seat)
Gnd
Hot at all times
Hot in run and acc
Hot in start
Hvac module, eatc
In breakout to steering wheel/speed control switch)
Input+
Input-
Interior lights system
Left front speaker
Left rear speaker
Lf+
Lf-
Lr+
Lr-
Mute
Nca
Next
Pair wires
Power distribution system
Pwm dimming
Pwr
Pwr gnd
Red
Remote
Rest
Rf+
Rf-
Right front speaker
Right rear speaker
Rr+
Rr-
Run/acc
S201
S229 (body main wiring harness, near breakout to c248)
S279
S294
Spkr+
Spkr-
Start
Subwoofer amplifier
Subwoofer speaker
Temp+
Temp-
Twisted
Vehicle speed sig
Vol+
Vol-

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Shift Interlock Wiring Diagram for Mercury Grand Marquis LS 2011:

40

Anti-lock brakes system
Battery junction box (bjb) (right front of engine compt, behind battery)
Brake pedal position (bpp) switch (top of brake pedal support)
Brake shift interlock (steering column)
Brake sw
Bsi
C139
C192
C211
C2145a
C2145b
C2145c
C260
Central junction box (cjb) (left of steering column)
Digital transmission range (dtr) sensor (left side of transmission)
Fuse 10a
Fuse 20a
Fuse 30a
Fuse 5a
Fuse 7.5a
G201 (right kick panel)
G204 (right kick panel)
G212 (behind left kick panel)
Hot at all times
Hot in run or start
Hot in start
Ignition switch
Key in ignition
Key-in ignition
Lighting control module (lcm) (under center of dash)
Logic gnd
Red
Run/st
S200
S204
S210
S246
S267
S276
Starter relay

STARTING/CHARGING

Charging Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Charging Wiring Diagram for Mercury Grand Marquis LS 2011:

25

Battery
Battery junction box (bjb) (right front of engine compartment, behind battery)
C102a
C102b
C139
C175b
C175e
C192
C197a
Charging indicator
Computer data lines system
Fuse 15a
G100 (front of right fender)
G101 (right front of engine)
Generator
Gen_com
Gen_mon
Hs can+
Hs can-
Instrument cluster (ic)
Powertrain control module (pcm) (left rear of engine compt)
Red
S137
S162
Starter motor

Starting Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Starting Wiring Diagram for Mercury Grand Marquis LS 2011:

33

(left rear of
Acc
Battery
Battery junction box (bjb) (right front of engine compartment,
Behind battery)
C139
C146
C175b
C192
C197a
C197b
C260
Central junction box (cjb) (left of steering column)
Charging circuit
Control
Digital transmission range (dtr) sensor (left side of transmission)
Engine compt)
Fuse 10a
Fuse 30a
G100 (front of right fender)
G101 (right front of engine)
Ignition switch
Lock
Module (pcm)
Off
Powertrain
Red
Run
S200
Smc
Start
Starter motor
Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2011:

53

(body main harness, near breakout to restraints control module)
(main body wiring harness, near breakout to c919)
(main wiring harness, in breakout to instrument cluster) s239
(right kick panel)
C175b
C237
C248
C260
C310a
C310b
C311
C312
C315
C316
Central junction box (cjb) (left of steering column)
Chime req
Computer data lines system
Driver safety belt retractor pretensioner (base of left ``b" pillar)
Driver side safety belt sensor
Driver side seat position sensor (below driver seat)
Feed
Fuse 10a
G201
G201 (right kick panel)
Hot in run or start
Iso
Left side impact sensor (w/ side air bag) (base of left "b" pillar)
Logic gnd
Nca
Ocs can hi
Ocs can low
Pad ind
Passenger air bag module (right side of dash)
Passenger safety belt retractor pretensioner (base of right ``b" pillar)
Pin shorting bars engaged when module connector is disconnected from harness shorting bars are connected between pins: 1-2, 21-22 conn. c310b
Powertrain control module (pcm) (left rear of engine compt)
Rdi
Red
Restraints control module (below center of dash)
Return
Right front impact severity sensor (right front of engine compartment)
Right side impact sensor (w/ side air bag) (base of right "b" pillar)
Ril
Run start
S213 (main body wiring harness, near breakout to g200)
S217
S301 (power seats harness, in breakout to c311)
S305
Shorting bar
Stage 1
Stage 2
Vid 1
Vid 2

Supplemental Restraints Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2011:

40

Bts
Bts rtn
Bts vref
C2145a
C218a
C312
Central junction box (cjb) (left of steering column)
Clock- spring (top of steering column)
Driver air bag module (in steering wheel)
Fuse 10a
G201 (right kick panel)
Gnd
Ground
Hot in run or start
Hs safety can
Hs safety can -
Instrument cluster
Left front impact severity sensor (left front of engine compartment)
Left side air bag module (resistor w/o side air bags) (driver's seat)
Lighting control module (under center of dash)
Nca
Occupant classification sensor (ocs) (passenger seat)
Occupant classification system module (under passenger seat)
Passenger air bag deactivation (pad) indicator
Passenger side safety belt sensor
Pwr
Rcm/chime request
Red
Right side air bag module (resistor w/o side air bags) (passenger's seat)
Ril
Run/start
S217
S276
Shorting bar
Sig
Tan/ red
Tan/red
V ign
Vout
Vref

TRANSMISSION

Transmission Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Transmission Wiring Diagram for Mercury Grand Marquis LS 2011:

67

(dash panel to headlight junction harness, near breakout to battery junction box (bjb))
(engine control sensor & fuel charge wiring harness, near breakout to pcm)
(left side of transmission) digital transmission range (dtr) sensor
4r70e transmission
Battery junction box (bjb) (right front of engine compt, behind battery)
C175b
C175e
C175t
C192
C260
C261
Case gnd
Central junction box (cjb) (left of steering column)
Computer data lines system
Electronic throttle control (etc) motor (right rear of engine)
Engine controls system
Epc
Etcref
Etcrtn
Feps
Fuel pump relay
Fuse 10a
Fuse 15a
Fuse 30a
G106 (left rear of engine compt)
G107 (left rear of engine compt)
G109 (front of right fender)
Hot at all times
Hot in run or start
Iat
Ignition coils relay
Maf
Mafrtn
Mass air flow/intake air temperature (maf/iat) sensor (behind air cleaner assembly)
Oss
Output shaft speed (oss) sensor (left side of transmission)
Pcm power diode
Pcm power relay
Power distribution system
Powertrain control module (pcm) (left rear of engine compt)
Pwr gnd
Red
S118
S119
S121
S146
S147
S276
Sigrtn1
Ssa
Ssb
Tacm+
Tacm-
Tcc
Tcs
Tft
Throttle position sensor (on throttle body)
Tp1-ns
Tp2-ps
Tr1
Tr2
Tr3a
Tr4
Transmission control switch (steering column)
Tss
Turbine shaft speed sensor (left side of transmission)
Vpwr

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Trunk Release Wiring Diagram for Mercury Grand Marquis LS 2011:

23

C211
C213
C423
Central junction box (cjb) (left of steering column)
Decklid
Decklid release sol c501b
Demand lighting c2145c
Driver door module (bottom front of left front door)
Fuse 7.5a
G406 (bottom center of rear seat)
Hot at all times
Interior lights system
Lighting control module (under center of dash)
Luggage compartment lamp
Luggage compartment lid release solenoid (center rear of luggage compt lid)
Luggage compartment lid release switch 1
Release c501a input
S226 (main wiring harness, in breakout to left footwell courtesy light)
S254
S403
Trunk ajar c2145b
Trunk lamp c2145d
Wiring harness, near breakout to g212) s330

WARNING SYSTEMS

Warning Systems Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Warning Systems Wiring Diagram for Mercury Grand Marquis LS 2011:

91

(body main wiring harness, near breakout to air suspension module) s259
(right kick panel) g203
Anti-lock brake system (abs) module (left front of engine compt)
Auto
Batt
Battery junction box (bjb) (right side of engine compt, behind battery)
Brake fluid level switch (on brake fluid reservoir)
Brk ind
C175b
C213
C2145a
C2145b
C248
C260
C310a
C310b
C311
C312
C423
C526a
C602a
C715a
C820a
Central junction box (cjb) (under left side of dash)
Chime req
Computer data lines system
Driver door module (bottom front of left front door)
Driver dr ajar sw c501a
Driver side front door ajar switch (top rear of left front door) c526b
Driver side rear door ajar switch (rear of left rear door) c715b
Driver side safety belt sensor (driver's seat)
Drv bckl sw in
Fuse 10a
Fuse 30a
Fuse 5a
Fuse 7.5a
G102 (front of left fender)
G201 (right kick panel)
G203 (right kick panel)
G212 (behind left kick panel)
G406 (bottom center of rear seat)
Hdlp off
Hdlp on park lamps on/off hdlp on/off (delete for police)
Head
Hot at all times
Hot in run
Hot in run or start
Hs can +
Hs can -
Ignition switch
Instrument cluster (ic)
Interior lights system
Iso 9141
Key in ign
Key in ignition switch
Lighting control module (under center of dash)
Luggage compartment lid release solenoid (center rear of luggage compartment lid)
Main light switch
Off
Park
Park brake switch (behind left side of dash, on top of parking brake assembly)
Pass bckl sw
Pass dr ajar sw c501b
Passenger side front door ajar switch (top rear of right front door) c602b
Passenger side rear door ajar switch (rear of right rear door) c820b
Passenger side safety belt sensor (passenger's seat)
Power distribution system
Powertrain control module (pcm) (left rear of engine compt)
Pwr gnd
Rcm/chime request
Rdi
Restraints control module (below center of dash)
Ril
Run
Run/st
S112
S200
S201
S207
S217
S267
S276
S301 (power seats harness, in breakout to c311) c311
S305 (body main wiring harness, near breakout to restraints control module (rcm))
S403
Scp +
Scp -
Scp+
Scp-
Strkrtn
Trunk ajar

WIPER/WASHER

Wiper/Washer Wiring Diagram for Mercury Grand Marquis LS 2011

List of elements for Wiper/Washer Wiring Diagram for Mercury Grand Marquis LS 2011:

38

(front of left fender)
(not used)
4. int2 5. int3 6. int4 7. int5 8. low 9. high
Batt
Battery junction box (bjb) (right front of engine compt, behind battery)
C202b
C2145d
C260
Central junction box (cjb) (left of steering column)
Electronics
Front washer relay
Fuse 10a
Fuse 30a
Fuse 7.5a
G102
G102 (front of left fender)
G203 (right kick panel)
Hi/lo speed relay
High
Hot at all times
Hot in run or acc
Instrument cluster
Lighting control module (except police) (under center of dash)
Low
Multi-function switch 1. not used 2. off 3. int1
Park
Power distribution system
Red
Run
Run/ park relay
S112
S201
Wash switch
Washer fluid level switch (washer fluid reservoir)
Washer level
Windshield washer pump motor (washer fluid reservoir)
Windshield wiper motor (left rear of engine compt)
Wiper input