POWER DISTRIBUTION – Mercury Grand Marquis LS 2009 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Mercury Grand Marquis LS 2009

List of elements for Power Distribution Wiring Diagram (1 of 5) for Mercury Grand Marquis LS 2009:

• (in body main wiring harness, near breakout to c248) s242
• (in body main wiring harness, near breakout to c919) s224
• (in body main wiring harness, near breakout to g212) s234
• (right front of engine compartment, behind battery) battery junction box (bjb)
• Abs control module
• Acc
• Auto
• Automatic a/c
• Battery
• Battery junction box (bjb) (right front of engine compartment, behind battery)
• Blower motor relay
• C175b
• C202a
• C2131a
• C2145a
• C228a
• C294a
• C3281a
• Central junction box (cjb) (below dash, 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
• Electronic automatic temperature control (eatc) module (automatic a/c)
• 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
• Generator
• Grand marquis
• 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
• Manual a/c
• 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
• S162
• S200 (in main wiring harness, in breakout to c260)
• S215
• 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 2 of 5)
• Vehicle dynamics module (vdm)
• W/ fire suppression

Power Distribution Wiring Diagram (2 of 5) for Mercury Grand Marquis LS 2009

List of elements for Power Distribution Wiring Diagram (2 of 5) for Mercury Grand Marquis LS 2009:

• (base)
• (in body main wiring harness, near breakout to g200) s213
• (in main wiring harness, in breakout to instrument cluster) s239
• (in main wiring harness, near breakout to instrument cluster) s276
• (not used)
• (right front of engine compartment, behind battery) battery junction box (bjb)
• (sanyo)
• Anti- lock brake system module
• Audio control module (acm)
• C2145a
• C240
• C290a
• C310a
• C310b
• C501b
• Central junction box (cjb) (below dash, left of steering column)
• Console)
• Digital transmission range (dtr) sensor
• Digital transmission range sensor
• Driver door module
• 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
• G204 (behind right kick panel)
• Ignition coils relay
• Instrument cluster (ic)
• Lighting control module (w/o center console)
• 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
• S515 (in 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 2009

List of elements for Power Distribution Wiring Diagram (3 of 5) for Mercury Grand Marquis LS 2009:

• (diagram 3 of 5)
• (in body main wiring harness, in breakout to c248) s246
• (in luggage compartment wiring harness, near breakout to c405) s433
• (in power distribution wiring harness, in breakout to police light bar relay/fuse center) s462
• (not used)
• (right front of engine compartment, behind 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 compartment, behind battery)
• Blower motor relay
• Brake pedal position (bpp) switch
• C1 relay 4
• C2 relay 4
• C2131a
• C3 relay 4
• C4 relay 4
• C5 relay 4
• C6 relay 4
• C7 relay 4
• C8 relay 4
• Deactivator switch
• 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
• Passenger side front heated seat module
• Police accessory connector (pigtail)
• Police light bar relay/fuse center (front of luggage compartment)
• Rear flasher relay
• Red
• S220 (in body main wiring harness, near breakout to g200)
• S281
• S350
• S469 (in power distribution wiring harness, in breakout to police light bar relay/fuse center)
• 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

Power Distribution Wiring Diagram (4 of 5) for Mercury Grand Marquis LS 2009

List of elements for Power Distribution Wiring Diagram (4 of 5) for Mercury Grand Marquis LS 2009:

• (in 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 compartment, behind battery)
• C202a
• C2145a
• C2145c
• C228a
• C240
• C290a
• C501b
• Central junction box (cjb) (below dash, left of steering column)
• Data link connector (dlc)
• Driver door module
• Electronic automatic temperature control (eatc) module
• 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
• Multi-function switch
• Police accessory connector (pigtail)
• S244 (in main wiring harness, near breakout to right footwell courtesy light)
• S426 (in emergency jumper wiring harness, in breakout for strobe/light bar control switch)
• Sanyo
• Switch 1
• 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)
• Windshield wiper motor

Power Distribution Wiring Diagram (5 of 5) for Mercury Grand Marquis LS 2009

List of elements for Power Distribution Wiring Diagram (5 of 5) for Mercury Grand Marquis LS 2009:

• (base)
• (in body main wiring harness, near breakout to c248) s229
• (in dash panel to headlight junction wiring harness, in breakout to central junction box (cjb)) s279
• (in dash panel to headlights junction wiring harness, in breakout to c275) s282
• (in emergency jumper wiring harness, near breakout for c422) s470
• (in power distribution wiring harness, at breakout for police luggage compartment
• (in 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)
• 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)
• C202c
• C2145b
• C2145c
• C2145d
• C240
• C290a
• C402b
• C4170a
• C504b
• Central junction box (cjb) (below dash, left of steering column)
• Circuit breaker f602 20a
• Driver side door lock switch
• Driver side seat heater switch
• Electrochromatic inside mirror unit
• 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 (behind right kick panel)
• Lighting control module
• Luggage compartment lid release switch 1
• Luggage compartment lid release switch 2
• 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 (left front of luggage compartment)
• Rear police auxiliary junction box (w/ police)
• Red
• Relay/fuse center)
• S207
• S474
• W/ crown police
• W/ police
• Windshield wiper motor