EXTERIOR LIGHTS – Mercury Grand Marquis LS 2009 – SYSTEM WIRING DIAGRAMS

EXTERIOR LIGHTS

Accessory Lamps Wiring Diagram, Crown Police (1 of 3) for Mercury Grand Marquis LS 2009

List of elements for Accessory Lamps Wiring Diagram, Crown Police (1 of 3) for Mercury Grand Marquis LS 2009:

• (at breakout for police luggage compt relay/fuse center)
• (at breakout for police luggage compt relay/fuse center) s479
• (behind right kick panel) g220
• (in breakout to police trunk relay/fuse center)
• (in dash panel harness to police glove box relay/ fuse center) s283
• (in dash panel harness to police glove box relay/ fuse center) s288
• (right side of engine compt) wig-wag module
• A1 fuse 2 10a
• A1 relay f2
• A2 fuse 2 5a
• A2 relay f2
• A3 fuse 5a
• A3 relay f2
• A4 fuse 2 10a
• A4 relay f2
• A5 fuse 2 10a
• A6 fuse 2 10a
• A6 relay f2
• B1 fuse 4 5a
• B1 relay 4
• B2 fuse 4 10a
• B2 relay 4
• B3 fuse 4 5a
• B4 relay
• B5 relay 4
• Fuse b4 10a
• Fuse b5 10a
• Fuse b6 10a
• G411 (center front of luggage compt)
• Headlights system
• Horns system
• Kick panel) g220
• Nca
• Pnk
• Police glove box relay/ fuse center (in glove box)
• Police trunk relay/fuse center (left front of luggage compartment)
• Relay
• S284
• S285
• S286 (in dash panel harness to police glove box relay/fuse center)
• S289
• S291
• S470
• S472 (in power distribution wiring harness, in breakout to police trunk relay/fuse center)
• S474
• S476
• S478
• Tan

Accessory Lamps Wiring Diagram, Crown Police (2 of 3) for Mercury Grand Marquis LS 2009

List of elements for Accessory Lamps Wiring Diagram, Crown Police (2 of 3) for Mercury Grand Marquis LS 2009:

• (center front of luggage compt) g411
• (front of right fender) g109
• (in breakout to police light bar relay/fuse center) s464
• (in emergency jumper wiring harness, near breakout for c422) s475
• (in luggage compt) strobe control module
• (near breakout for g411) s460
• (near breakout to battery junction box (bjb)) s110
• 10a
• Battery junction box (bjb) (right front of engine compt, behind battery)
• C11 fuse 4 20a
• C12 fuse 4 10a
• C4231a
• C4231b
• C4231c
• C4231d
• C4231e
• C4231f
• C4231g
• C4231h
• C4231j
• Central junction box (cjb) (below dash, left of steering column)
• Fuse 20a
• Fuse 40a
• Fuse 50a
• Fuse 7.5a
• G411 (center front of luggage compartment)
• Hot at all times
• Hot in run or acc
• Inline fuse
• Left front strobe assembly (left front of engine compt)
• Left grille strobe assembly (behind left side of grille)
• Left rear strobe assembly
• Pnk
• Police light bar relay/fuse center (front of luggage compt)
• Police power relay
• Rear deck led flasher
• Red
• Right front strobe assembly (right front of engine compt)
• Right grille strobe assembly (behind right side of grille)
• Right rear strobe assembly
• S121
• S279
• S282
• S298
• S355
• S465
• S487 (near breakout for c422)
• Tan
• Tp s468 (diagram 3 of 3)
• Trunk air circulation fan motor (in luggage compt)
• W/o police light bar relay/fuse center

Accessory Lamps Wiring Diagram, Crown Police (3 of 3) for Mercury Grand Marquis LS 2009

List of elements for Accessory Lamps Wiring Diagram, Crown Police (3 of 3) for Mercury Grand Marquis LS 2009:

• (behind right kick panel) g220
• (in breakout to police light bar relay/fuse center)
• (in luggage compt) smart siren amplifier
• (in power distribution wiring harness, in breakout to police light bar relay/fuse center) s466
• Bar relay/ fuse center (front of luggage compt)
• Battery
• Battery junction box (bjb) (right front of engine compt, behind battery)
• C1 fuse 4 10a
• C2 fuse 4 10a
• C2 relay
• C3 fuse 4 10a
• C3 relay
• C3257a
• C3257b
• C4 fuse 4 10a
• C4 relay
• 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
• 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 (in power distribution wiring harness, in breakout to police light bar relay/ fuse center)
• S469
• Siren
• Speaker
• Strobe/light bar control switches
• Tan
• W/o police light bar

Accessory Lamps Wiring Diagram, Police Option Fuse Holder for Mercury Grand Marquis LS 2009

List of elements for Accessory Lamps Wiring Diagram, Police Option Fuse Holder for Mercury Grand Marquis LS 2009:

• (behind bottom center of rear seat) g406
• (left rear of engine compt) powertrain control module (pcm)
• (not used)
• Anti-theft system
• Battery junction box (bjb) (right front of engine compt, behind battery)
• C202a
• C202c
• C2145c
• C268
• C4170a
• C4170b
• Central junction box (cjb) (below dash, 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 (behind 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 (behind 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 2009

List of elements for Back-up Lamps Wiring Diagram for Mercury Grand Marquis LS 2009:

• (behind bottom center of rear seat) g406
• Central junction box (cjb) (below dash, left of steering column)
• Digital transmission range (dtr) sensor (left side of transmission)
• Electrochromatic inside mirror unit
• Fuse 10a
• Hot in run or start
• Left reversing lamp
• Rev- erse
• Right reversing lamp
• S248 (in body main wiring harness, near breakout to temperature blend door actuator)
• S420

Exterior Lamps Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2009

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Mercury Grand Marquis LS 2009:

• (behind bottom center of rear seat) g405
• (behind bottom center of rear seat) g406
• (behind right kick panel)
• (crown victoria) (in main body wiring harness, near breakout to instrument cluster)
• (in body main wiring harness, near breakout to g212) s360
• (not used)
• (under center of dash) lighting control module
• Auto
• Autolamp on/off
• Batt2
• Battery junction box (bjb) (right front of engine compt, behind battery)
• Brake pedal position switch (top of brake pedal support)
• C202a
• C202c
• C205a
• C2145a
• C2145b
• C2145c
• C2145d
• Central junction box (cjb) (below dash, left of steering column)
• Flasher output
• Flasher power
• Fuse 10 15a (grand marquis) 20a (crown victoria)
• Fuse 15a
• Fuse 20a
• Fuse 2a
• Fuse 7.5a
• G102 (front of left fender)
• G201 (behind right kick panel)
• G203
• G203 (behind right kick panel)
• Head
• Headlamp off
• Headlamps on
• High mounted stoplamp
• 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
• Red
• Right front cornering lamp (grand marquis)
• Right turn
• S109
• S112
• S140 (grand marquis) (in turn lamps wiring harness, in breakout to c1010)
• S142 (grand marquis) (in dash panel to headlamp junction harness, near breakout to powertrain control module (pcm))
• S201
• S210
• S222 (crown victoria) (in main wiring harness, in breakout to c260)
• S223 (crown victoria) (in main wiring harness, in breakout to c260)
• S232
• S243 (crown victoria) (near breakout to instrument cluster)
• S246
• S420
• S490 (w/ air suspension)

Exterior Lamps Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2009

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Mercury Grand Marquis LS 2009:

• (behind right kick panel)
• (no connection)
• Central junction box (cjb) (below dash, left of steering column)
• Crown victoria
• Emergency flasher relay 1
• Emergency flasher relay 2
• Emergency flasher relay block (center rear of luggage compartment)
• Fuse 15a
• G109 (front of right fender)
• G204
• G410 (center rear of luggage compartment)
• Hot at all times
• Left rear park/stop/ turn lamp 1
• Left rear park/stop/ turn lamp 2
• 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
• S406 (in body main wiring harness, near breakout to c423)
• S422 (in body main wiring harness, near breakout to c423)
• Taxi roof lamp
• Taxi roof lamp switch (taxi dso)