POWER DISTRIBUTION – Mercury Grand Marquis LS 1997 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Mercury Grand Marquis LS 1997

List of elements for Power Distribution Wiring Diagram (1 of 4) for Mercury Grand Marquis LS 1997:

• (engine compt harn, near breakout to fuse box) s100
• (i/p harn, behind left side of i/p) s283
• (i/p harn, in breakout to blend door actuator) s245
• (rear harn, near breakout to right rear speaker)
• (rear harn, near breakout to right rear speaker) s407
• (seat harn, near recliner sensor) s310
• Air suspension compressor motor/ vent solenoid
• Air suspension/ evo steering module
• Air suspn pump/ speedo fuse 30a
• Audio fuse 25a
• Base vehicle and police
• Battery
• C216
• C251
• C319
• C452
• C520
• Cd changer
• Compressor relay
• Customer use
• Datalink connector
• Door locks/ seat motors circuit breaker 20a
• Driver's door module
• Driver's lumbar switch
• Driver's seat control switch
• Driver's seat module
• Eec fuse 30a
• Engine compartment fuse box
• Except natural gas
• From police a fuse (diagram 1 of 4)
• Fuel filler door release switch
• Fuel indicator module
• Fuel pump fuse 20a
• Fuel pump prime connector
• Fuel pump relay or fuel valve relay
• Fusible link (12 ga) (gray)
• Generator/ voltage regulator
• Horn fuse 15a
• Horn relay
• Instrument cluster (analog)
• Left rear air spring solenoid
• Master window/ door lock control switch
• Nca
• Passenger's seat control switch
• Pcm power relay
• Police fuse 30a
• Police fuse 50a
• Police option
• Police option fuse holder
• Police power relay
• Powertrain control module
• Rear chassis unit
• Red
• Relay center
• Right front window/ door lock control switch
• Right rear air spring solenoid
• S124 (engine harn, near breakout to fuel pump prime)
• S144 (engine compt harn, near breakout to fuse box)
• S151 (engine compt harn, near breakout to right headlamp)
• S282 (i/p harn, behind left side of i/p)
• S311 (seat harn, near driver's seat module)
• S406 (rear harn, near breakout to rear air spring solenoid)
• S411
• S425 (trunk harn, near breakout to trailer relays)
• Starter/ motor solenoid
• Subwoofer amplifier (jbl only)
• Tlr brakes fuse 30a
• Tlr tow fuse 20a
• Tlr tow fuse 40a
• To abs cont fuse (diagram 2 of 4)
• To air suspn pump/ speedo fuse (diagram 1 of 4)
• Trailer battery charging relay
• Trailer exterior lamps relay
• Trailer left turn relay
• Trailer right turn relay
• Trailer/camper adapter (electronic brake control unit)
• Trunk lid release switch
• W/ keyless entry
• W/ memory seats
• W/o keyless entry
• W/o memory seats

Power Distribution Wiring Diagram (2 of 4) for Mercury Grand Marquis LS 1997

List of elements for Power Distribution Wiring Diagram (2 of 4) for Mercury Grand Marquis LS 1997:

• (engine compt harn, near breakout to ground g101) s149
• (engine compt harn, near breakout to primary crash sensor) s146
• (i/p harn, near breakout to instrument cluster) s294
• (i/p harn, near breakout to lighting control module) s228
• Abs cont fuse 30a
• Anti-lock brake module
• Auxiliary power outlet
• C2028
• C2029
• C228
• C249
• C255
• C257
• C262
• C303
• Circuit breaker 20a
• Clock
• Cooling fan fuse 50a
• Cooling fan relay
• Daytime running lamps module
• Digital cluster
• Driver's seat control switch
• Driver's seat module
• Electronic automatic temperature control (eatc) module
• Emergency flasher relay #1
• Emergency flasher relay #2
• Engine compartment fuse box
• Evac and fill connector
• From door locks/ seat motors circuit breaker (diagram 1 of 4)
• Front control unit
• Fuse 10a
• Fuse 15a
• Fuse 20a
• G203 (right cowl panel, near door sill)
• Gaso- line
• Headlamp switch assembly
• Hi-beam headlights fuse 20a
• Htd backlite fuse 40a
• I/p cigar lighter
• I/p fuse panel
• Instrument cluster
• Lamps fuse pnl fuse 40a
• Left power/ heated mirror
• Left spot light
• Lighting control module
• Lighting control module (lcm)
• Main light switch
• Master window/ door lock control switch
• Memory switch
• Multi- function switch
• Natural gas
• Nca
• Police option
• Power mirror switch
• Rear window defrost control
• Rear window defrost relay
• Remote keyless entry switch assembly
• Right front window/door lock control switch
• Right power/ heated mirror
• Right spot light
• S119 (engine compt harn, near breakout to fuse box)
• S206
• S252 (main harn, near breakout to multi- function switch)
• S253 (i/p harn, right kick panel)
• S262 (i/p harn, near breakout to lighting control module)
• S285 (i/p harn, near breakout to main light switch)
• S426 (trunk harn, near breakout to relay center)
• To str alt fuse (diagram 3 of 4)
• W/police option
• W/remote keyless entry

Power Distribution Wiring Diagram (3 of 4) for Mercury Grand Marquis LS 1997

List of elements for Power Distribution Wiring Diagram (3 of 4) for Mercury Grand Marquis LS 1997:

• (digital) (analog)
• (i/p harn, near breakout to day/night sensor amplifier) s226
• (i/p harn, near breakout to day/night/ sensor amplifier) s269
• (i/p harn, near breakout to ignition switch) s263
• (w/ eatc)
• (w/ eatc) (w/o eatc)
• (w/o eatc)
• A/c-heater mode switch
• Acc
• Air bag diagnostic monitor
• Air suspension/ evo steering module
• Anti-lock brake module
• Blend door actuator
• Blower motor
• Brake on/off (boo) switch
• Brake pressure switch
• C216
• C228
• C255
• C256
• C256 c251
• C277
• Daytime running lamps (drl) module
• Electronic automatic temperature control (eatc) module
• Electronic day/night mirror
• Engine compartment fuse box
• Evac and fill connector
• Evo steering module
• From htd backlite fuse (diagram 2 of 4)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Generator/ voltage regulator
• I/p fuse panel
• Ig sw fuse 50a
• Ignition switch
• Instrument cluster
• Instrument cluster (digital)
• Lock
• Multi- function switch
• Nca
• Near breakout to ignition switch)
• Off
• Run
• S231 (i/p harn, near clock)
• S254 (i/p harn, near breakout to airbag)
• S272 (i/p harn, near breakout to ignition switch)
• S274 (i/p harn, near breakout to evo steering module)
• Shift lock actuator
• Start
• Starting/ charging system
• Steering wheel rotation sensor
• Str alt fuse 30a
• To fuse 2, 6, 11 & circuit breaker 14 (diagram 4 of 4)
• To fuse 7 & 13 (diagram 4 of 4)
• Trailer battery charging relay
• Transmission range (tr) sensor
• W/ air suspension
• W/ anti-lock brake system
• W/ eatc
• W/o air suspension
• W/o eatc

Power Distribution Wiring Diagram (4 of 4) for Mercury Grand Marquis LS 1997

List of elements for Power Distribution Wiring Diagram (4 of 4) for Mercury Grand Marquis LS 1997:

• (body harn, near breakout to transmission range sensor) s128
• (engine harn, near breakout to right ignition coil) s102
• (i/p harn, near breakout to datalink connector) s266
• (i/p harn, near breakout to day/night sensor amplifier) s276
• (i/p harn, near breakout to defogger control) s278
• (i/p harn, near breakout to front control unit) s224
• (i/p harn, near breakout to ignition switch) s221
• (i/p harn, near breakout to trunk lid release switch) s211
• (not used)
• Air bag diagnostic monitor
• C2027
• C249
• C250
• C251
• C257
• C262
• C276
• C520
• Circuit breaker 20a
• Clock
• Digital cluster
• Driver's door module
• Engine compartment fuse box
• From ignition switch (diagram 3 of 4)
• Front control unit
• Fuse 15a
• Fuse 25a
• Fuse 30a
• Headlight switch assembly
• I/p fuse panel
• Instrument cluster (analog)
• Left ignition coil
• Left radio noise capacitor
• Lighting control module (lcm)
• Master window/ door lock control switch
• Nca
• One touch window down module
• Pcm power diode
• Police option
• Police power relay
• Relay center
• Right ignition coil
• Right radio noise capacitor
• S103
• S225 (i/p harn, near breakout to ignition switch)
• Speed control servo assembly
• Transmission control switch (tcs)
• Trunk lid release switch
• W/ keyless entry
• W/o keyless entry
• Warning lamps monitor
• Windshield wiper motor
• Wiper control module