Diagram sections — 13 (22 total)
DEFOGGERS HORN INTERIOR LIGHTS POWER ANTENNA POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WIPER/WASHER
DEFOGGERS Defogger Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Defogger Wiring Diagram for Mercury Grand Marquis GS 1993: 16 (behind right cowl panel, near door sill) (center rear of trunk on support) Engine compartment fuse box Fuse 15a G203 G407 Hot at all times Hot in run Htd back-lite fuse 40a I/p fuse panel Interior lights system Off On ind Rear window defrost control Switch illum Timing circuit
HORN Horn Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Horn Wiring Diagram for Mercury Grand Marquis GS 1993: 16 87a Clockspring assembly Control switch ground Engine compartment fuse box (behind battery) High pitch horn (front of left lower radiator support) Horn Horn relay Horn relay output Hot at all times Hrn fuse 15a Low pitch horn (front of left lower radiator support) Nca Remote keyless entry module (behind top of right cowl panel) Speed control servo assembly (left rear corner of engine compt) Switches
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, with Remote/Keyless Entry for Mercury Grand Marquis GS 1993 List of elements for Courtesy Lamps Wiring Diagram, with Remote/Keyless Entry for Mercury Grand Marquis GS 1993: 52 (behind top of right cowl panel, behind insulator) (center rear of trunk, on support) (left cowl panel, near door sill) All others Battery Battery saver out C240 C241 C242 Dimmer Dome Dome lamp Door jamb in Door sw in Engine compart- ment lamp Front dome/ reading lamp Fuse 15a G200 G203 (right cowl panel, near door sill) G407 Glove box lamp Grand marquis only Head Hot at all times I/p cigar lighter lamp I/p fuse panel Interior lamps out Lamp Left door handle switch Left front door courtesy lamp Left front door jamb switch Left i/p courtesy lamp Left lock cylinder lamp Left rear door jamb switch Left vanity lamp Main lamp switch Nca Off Park Police map lamp assembly Police option only Rear dome/ reading lamp Remote keyless entry module Right door handle switch Right front door courtesy lamp Right front door jamb switch Right i/p courtesy lamp Right lock cylinder lamp Right rear door jamb switch Standard production Trunk lamp out Trunk lid Courtesy Lamps Wiring Diagram, without Remote/Keyless Entry for Mercury Grand Marquis GS 1993 List of elements for Courtesy Lamps Wiring Diagram, without Remote/Keyless Entry for Mercury Grand Marquis GS 1993: 51 (center rear of trunk, on support) (left cowl panel, near door sill) (right cowl panel, near door sill) All others Bat Courtesy Dimmer Dome Dome lamp Door input Engine compart- ment lamp Front dome/ reading lamp Fuse 10a Fuse 15a G200 G203 G203 (right cowl panel, near door sill) G407 Glove box lamp Grand marquis only Grd Head Hot at all times Hot in accy or run I/p cigar lighter lamp I/p fuse panel Ign Illuminated entry module (behind top of right cowl panel) Lamps out Left front door courtesy lamp Left front door handle switch Left front door jamb switch Left i/p courtesy lamp Left lock cylinder lamp Left rear door jamb switch Left vanity lamp Main lamp switch Nca Off Park Police map lamp assembly Police option only Rear dome/ reading lamp Right front door courtesy lamp Right front door handle switch Right front door jamb switch Right i/p courtesy lamp Right lock cylinder lamp Right rear door jamb switch Standard production Trunk lid lamp Instrument Illumination Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Instrument Illumination Wiring Diagram for Mercury Grand Marquis GS 1993: 39 (grand marquis) (crown victoria) (left cowl panel, near door sill) 15a A/c-heater control assembly illumination Analog cluster Automatic temperature control function selector illumination C250 C252 C253 c250 C254 C255 C256 C257 Clock Digital cluster Dim input Dimmer Exterior lights system Fuse G200 G203 (right cowl panel, near door sill) Ground Head Hot at all times I/p ashtray lamp I/p fuse panel Instrument cluster Instrument illumination Main lamp switch Message center switch assembly Off Only Park Power antenna switch Prndl illum input Radio Rear window defrost control W/ atc W/o atc
POWER ANTENNA Power Antenna Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Power Antenna Wiring Diagram for Mercury Grand Marquis GS 1993: 12 (grand marquis) (crown victoria) (rheostat) Fuse 15a G200 (left cowl panel, near door sill) Hot in accy or run I/p fuse panel Interior lights Nca Power antenna motor (right rear of front fender) Power antenna switch (center of i/p) Red/pnk System
POWER DOOR LOCKS Door Lock Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Door Lock Wiring Diagram for Mercury Grand Marquis GS 1993: 12 Circuit breaker 12 30a Fuse panel (left side of i/p) G200 (left panel) Hot at all times Lck Left front door lock motor Left rear door lock motor Master window/ door lock control switch Right door lock control switch Right front door lock motor Right rear door lock motor Unlck Keyless Entry Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Keyless Entry Wiring Diagram for Mercury Grand Marquis GS 1993: 84 (behind top of right cowl panel, behind insulator) remote keyless entry module (center rear of trunk) g407 1/2 1/2 in 10a 15a 3/4 3/4 in 5/6 5/6 in 7/8 7/8 in 9/0 9/0 in Antenna Batt+ Batt+ save Batt+ save in Com Ctsy lps out Ctsy/dr sw in Door/locks/ seat motors circuit breaker 30a Dr ajar in Dr handle in Driver st sw Exterior lamps Fuse 17 Fuse 4 Fuse 6 Fuse 9 G203 (right cowl panel) G203 (right cowl panel, near door sill) Gnd Horn output Horns Hot at all times Hot at all times engine compt fuse box Hot in acc or run Hot in run I/p fuse panel Ign Instrument cluster (door latch switches) Interior lamps Keyless entry keypad switch assembly Keypad com Keypad lp Lamp Left front door handle switch (top rear of left front door) Left front door lock motor Left rear door lock motor Lk drs out Lk in Lock Lt frt dr jamb sw Lt rr dr jamb sw Main lamp sw Manual lever position sensor (left side of transmission) Master window/ door lock control switch Nca Park lps out Program a Program b Pwr gnd Red Reverse in Right door lock switch Right front door handle switch (top rear of right front door) Right front door lock motor Right rear door lock motor Rke program connector (behind top of right cowl panel, on rke module) Rt frt dr jamb sw Rt rr dr jamb sw Seat switch (under left front seat) Sig batt+ Sig gnd Transmitter in Trnk lamp out Trnk lid out Trunk lid release solenoid/ajar switch Trunk lid release switch Unlk all Unlk in Unlk lt dr Unlock Power Door Lock Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Power Door Lock Wiring Diagram for Mercury Grand Marquis GS 1993: 12 Circuit breaker 12 30a Fuse panel (left side of i/p) G200 (left panel) Hot at all times Lck Left front door lock motor Left rear door lock motor Master window/ door lock control switch Right door lock control switch Right front door lock motor Right rear door lock motor Unlck
POWER MIRRORS Electronic Day/Night Mirror Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Electronic Day/Night Mirror Wiring Diagram for Mercury Grand Marquis GS 1993: 12 (behind right kick panel, near door sill) (disable) Electronic day/night mirror (center of windshield header) Fuse 15a G203 Ground Hot in run I/p fuse panel (below i/p, left of steering column) Ignition Input Manual lever position switch (left side of transmission) Reverse Power Mirrors Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Power Mirrors Wiring Diagram for Mercury Grand Marquis GS 1993: 13 Direct- tional switch Fuse 15a G203 (behind right kick panel near door sill) Hot at all times I/p fuse panel L/r motor Left power mirror nca Left/ right switch Nca Power mirror switch Red Right power mirror nca Up/dn motor
POWER SEATS Power Seat Wiring Diagram, with Power Lumbar/Reclining Seats for Mercury Grand Marquis GS 1993 List of elements for Power Seat Wiring Diagram, with Power Lumbar/Reclining Seats for Mercury Grand Marquis GS 1993: 28 (right cowl panel, near door sill) Door lock/seat motors circuit breaker 30a Driver's lumbar air bladder Driver's power lumbar compressor Driver's power seat motor Driver's recliner motor Driver's seat control switch Engine compartment fuse box Entire seat Front height motor Front of seat Fwd Fwd/rwd motor G203 Hot at all times Inflate vent Lumbar motor switch Nca Passenger's lumbar air bladder Passenger's power lumbar compressor Passenger's power seat motor Passenger's recliner motor Passenger's seat control switch Rear height motor Rear of seat Red Rwd Seat back Power Seat Wiring Diagram, without Power Lumbar/Reclining Seats for Mercury Grand Marquis GS 1993 List of elements for Power Seat Wiring Diagram, without Power Lumbar/Reclining Seats for Mercury Grand Marquis GS 1993: 20 (not used) 30a Door locks/ seat motors circuit breaker Driver's power seat motor Driver's seat control switch Engine compartment fuse box Entire seat Front height motor Front of seat Fwd Fwd/rwd motor G203 (right cowl panel, near door sill) Hot at all times Nca Rear height motor Rear of seat Red Rwd Without power reclining/lumbar seats with police option (1993) Without power reclining/lumbar seats without police option
POWER WINDOWS Power Window Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Power Window Wiring Diagram for Mercury Grand Marquis GS 1993: 26 (behind right cowl panel, near door sill) g203 Circuit breaker 12 20a G203 (behind right cowl panel, near door sill) Hot in acc or run I/p fuse panel Left front switch Left front window motor Left rear switch Left rear window control switch Left rear window motor Lock- out Master window/ door lock control switch Nca One touch window down module (in center of left front door) Red Right front switch Right front window control switch Right front window motor Right rear switch Right rear window control switch Right rear window motor Solid state Switch Un- lock Window lock Wire taped back with police option
RADIO Radio Wiring Diagrams for Mercury Grand Marquis GS 1993 List of elements for Radio Wiring Diagrams for Mercury Grand Marquis GS 1993: 59 (jbl only) Audio fuse 25a Battery (b+) C257 C259 C270 C271 C451 C452 C497 Cd player Engine compartment fuse box Fuse 16 15a Fuse 4 15a Fuse 6 10a G203 (right kick panel) Ground Hot at all times Hot in accy or run I/p fuse panel Ignition Illum Interior lights system Left front (+) Left front (-) Left front door speaker Left front spkr Left rear (+) Left rear (-) Left rear speaker Left rear spkr Lft frt (+) Lft frt (-) Lft rr (+) Lft rr (-) Mute ctrl Nca Not used Radio Radio amplifier (right front of trunk) Radio mute Right front (+) Right front (-) Right front door speaker Right front spkr Right rear (+) Right rear (-) Right rear speaker Right rear spkr Rt frt (+) Rt frt (-) Rt rr (+) Rt rr (-) Shield Speaker interrupt module (factory equipment cellular phone only) (in trunk area) Subwoofer amplifier (left side of rear package panel) Subwoofer speaker W/ cellular telephone W/o cellular telephone Radio Wiring Diagrams, Base Radio with Emergency Vehicle for Mercury Grand Marquis GS 1993 List of elements for Radio Wiring Diagrams, Base Radio with Emergency Vehicle for Mercury Grand Marquis GS 1993: 25 Battery (b+) C257 C258 Fuse 16 15a Fuse 4 15a Fuse 6 10a G203 (right kick panel) Ground Hot at all times Hot in accy or run I/p fuse panel Ignition Illum Interior lights system Left frt Left rear speaker Left rr Not used Radio Right frt Right rear speaker Right rr Telephone To cellular telephone Wiring cut and taped, for installation of 2-way police radio system (center of dash) Radio Wiring Diagrams, Base Radio without Emergency Vehicle for Mercury Grand Marquis GS 1993 List of elements for Radio Wiring Diagrams, Base Radio without Emergency Vehicle for Mercury Grand Marquis GS 1993: 28 Battery (b+) C257 C258 Fuse 16 15a Fuse 4 15a Fuse 6 10a G203 (right kick panel) Ground Hot at all times Hot in accy or run I/p fuse panel Ignition Illum Interior lights system Left door speaker Left frt Left rear speaker Left rr Not used Radio Right door speaker Right frt Right rear speaker Right rr Speaker interrupt module (in trunk) Telephone W/ cell phone W/o cell phone
STARTING/CHARGING Charging Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Charging Wiring Diagram for Mercury Grand Marquis GS 1993: 30 (1992 only) (digital) (mercury) (ford) instrument cluster (ford) (mercury) (digital) (w/ heated windshield) (w/o heated windshield) Acc Alt fuse 30a Alternator output con- trol relay (top of right wheel well) Battery C251 c253 c256 C254 c253 c251 Charge indicator Engine compart- ment fuse box Fuse 10a G101 (front of right front fender apron) G119 (lower right front of engine) Heated windshield module (left side of i/p) I/p fuse panel Ignition switch Integral i alternator regulator Lock Off Red Run Solid state Start Str alt fuse 30a W/ heated windshield W/ police option only W/o heated windshield Starting Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Starting Wiring Diagram for Mercury Grand Marquis GS 1993: 23 (1992 only) (right front fender apron) Acc Battery Engine compartment fuse box Engine controls system (1992 only) G101 G119 (lower right front of engine) Hold Ig sw fuse 50a Ignition switch Lock Manual lever position (mlp) switch (left side of transmission) Off Power distribution Pull in Red Run Sta Start Starter motor/ solenoid (lower right rear of engine) Starter relay (rear of right front fender apron) Str alt fuse 30a
TRANSMISSION Transmission Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Transmission Wiring Diagram for Mercury Grand Marquis GS 1993: 96 cutout sw (1994 models) (behind left side of i/p, left side of safety wall) (front of right (ignition control module) (left rear of transmission) (left side of engine compt, in relay center) (left side of engine compt, top of wheelwell) (left side of throttle body) (left side of transmission) (rear of air cleaner assembly) (rear of left fender 10a 15a 20a 30a A/c clutch cycl press sw (1993 models) A/c high press Accs All times Aode transmission (right side of transmission) Apron, forward of Boo Brake on/off switch (on brake pedal support) Case gnd Controls Data link connector (partial) Data(+) Data(-) Digital cluster only Ect Eec fuse Electronic pressure control solenoid Engine Engine compt fuse box Engine controls system Engine coolant temp sensor (top left front of engine) Epc Fender apron, right Fuel pump fuse Fuse 13 Fuse 7 G100 G101 G203 (behind right cowl panel, near door sill) Hot at Hot at all times Hot in run Hot in start or run I/p fuse panel Iat Ig coil fuse Ign control module) Instrument cluster Intake air temp sensor Kapwr Maf Malfunction indicator lamp Manual lever position sensor Mass air flow sensor (left side of engine compt, behind air cleaner assembly) Mil Mlp Or start Output shaft speed sensor Pcm power diode Pcm power relay Pip Powertrain control module (partial) Pressure feedback egr sensor Pwr gnd Red Self-test input connector Shift solenoids Side of battery) Sig rtn Ss1 Ss2 Sti System Tan/ red Tan/red Tcc Tcil Tcs Tft Throttle position sensor Torque converter clutch solenoid Transmission control indicator lamp Transmission control switch (bottom of steering column) Transmission fluid temp sensor Tss Vehicle speed sensor (left rear of transmission) Vpwr Vref Vss(+) Vss(-)
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Trunk & Fuel Door Release Wiring Diagram for Mercury Grand Marquis GS 1993: 25 (behind right side of i/p) (center rear of trunk, on support) g407 (not used) (police option) Analog cluster C255 Cluster Digital cluster Door locks/ seat motors circuit breaker 30a Engine compatment fuse box Fuel filler door release solenoid (left side of trunk, near fuel door) Fuel filler door release switch (center of left front door, on rear of armrest) Fuse 20a Hot at all times Hot in run or accy I/p fuse panel Input Instrument Remote keyless entry module Trunk ajar Trunk lid release output Trunk lid release solenoid/ ajar switch (trunk lid latch assembly) Trunk lid release switch (w/ police opt: center of i/p; w/o police opt: on rear of left armrest) W/ police option W/o police option
WIPER/WASHER Wiper/Washer Wiring Diagram for Mercury Grand Marquis GS 1993 List of elements for Wiper/Washer Wiring Diagram for Mercury Grand Marquis GS 1993: 23 100k 3.3k 36.27k 4.08k 7.25k Circuit breaker 8.25a Fuse panel (left side of i/p) G101 (front of right front fender apron) G200 (behind left cowl panel) Hot in accy or run Int max Int min Interval wiper/washer module or interval governor (behind left side of i/p) Multi- function switch Off Parked Parking Red Run Wash Washer pump (in washer fluid reservoir) Windshield wiper motor (left rear of engine compt) Wiper/washer switch
