Diagram sections — 30 (61 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING A/C Wiring Diagram, Auto A/C for Mercury Mountaineer 1997 List of elements for A/C Wiring Diagram, Auto A/C for Mercury Mountaineer 1997: 83 (eng harn, between a/c clutch diode & a/c comp clutch solenoid breakout) (eng harn, left front of engine compartment) (eng harn, left side of eng compt) (eng harn, near a/c comp clutch solenoid) (engine harn, left side of eng compt) (engine harn, rear of engine compartment) s144 (i/p harn, behind center of i/p) (i/p harn, near instrument panel breakout) (i/p harn, near right door jamb) s240 (i/p harn, right side of i/p) (right side of engine compt) A/c compressor clutch solenoid A/c clutch cycling pressure switch (right side of engine compartment) A/c clutch diode A/c clutch out A/c plenum) A/c pressure cutoff switch (left side of engine compartment) Ambient temp input Ambient temperature sensor (left front of engine compartment) Battery Blend door act Blend door actuator (behind right side of i/p, top of Blend door pot Blend door ref Blower motor Blower motor relay (in auxiliary relay box 2) Blower motor speed Blower motor speed controller (near blower motor) Blower speed fback C297 C298 Data line Data link connector (dlc) (behind left side of i/p) Electronic automatic temperature control (eatc) module (center of i/p) Eng/met conv Fuse 10a Fuse 15a Fuse 50a Fuse 7.5a G103 G103 (right side of eng compartment) G104 (left rear corner of engine compartment) G104 (left rear corner of engine compt) G201 (under right side of i/p) Ground Hot at all times Hot in run Ignition Illumination In car temp sens In-car temperature sensor Interior fuse panel Interior lights system Med Message center Off Pcm power relay Power distribution box Powertrain control module (pcm) (on right side of safety wall) Rear blower motor Rear air door actuator (in i/p console) Rear blower motor relay (behind right side of i/p) Rear blower motor resistor (in i/p console) Rear integrated control panel (ricp) Red Relay signal S100 S133 S154 S158 S161 S205 S206 S209 S211 S229 S231 (body harn, in i/p console) S241 S263 Sensor ground Sun load sensor (top right side of i/p, above glove box) Sunload sens input Wot a/c relay (in power distribution box) A/C Wiring Diagram, Manual A/C for Mercury Mountaineer 1997 List of elements for A/C Wiring Diagram, Manual A/C for Mercury Mountaineer 1997: 64 (body harn, in i/p console) (eng harn, between a/c clutch diode & a/c comp clutch solenoid breakout) (eng harn, rear of engine compt) (in auxiliary relay box 2) (left rear corner of engine compartment) A/c clutch cycling pressure switch (right side of engine compartment) A/c clutch diode A/c compres- sor clutch solenoid A/c pressure cutoff switch (left side of engine compartment) Blend door actuator (behind right side of i/p, on a/c plenum) Blower motor Blower motor relay (in auxiliary relay box 2) Blower motor resistor (near blower motor) Blower motor switch C231 C276 Cold Def Def/flr Flr Fuse 15a Fuse 50a Fuse 7.5a G103 (right side of engine compartment) G104 G201 (right side of i/p) Heater-a/c control assembly High speed blower relay Hot at all times Hot in run Illumi- nation Interior fuse panel Interior lights system Low Max Med Norm Off Pan/flr Panel Pcm power relay Power distribution box Powertrain control module (pcm) (on right side of safety wall) Rear air door actuator Rear blower motor Rear blower motor relay (behind right side of i/p) Rear blower motor resistor (in i/p console) Rear inte- grated control panel Red S100 S133 (eng harn, near a/c comp clutch solenoid) S144 S158 (engine harn, left side of eng compt) S170 (i/p harness, near blower motor breakout) S171 S200 (i/p harness, near radio breakout) S229 (i/p harn, behind center of i/p) S231 S240 (i/p harn, near right door jamb) S257 (i/p harn, near blower motor switch breakout) Solid state Temperature control potentiometer Warm Wot a/c relay (in power distribution box)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Mercury Mountaineer 1997 List of elements for Anti-lock Brake Wiring Diagrams for Mercury Mountaineer 1997: 76 (left front of engine compartment, near radiator) g108 (near breakout to 4wabs pump motor) (near breakout to relay module) s255 4wabs control module (left rear corner of engine compartment) 4wabs hydraulic unit (left side of engine compartment) 4wabs main relay 4wabs pump motor (left side of engine compt) 4wabs pump relay 87a Abs diode Acceleration sensor (left frame rail, under driver seat) Anti-lock brakes indicator Auxiliary relay box #1 Brake on/off (boo) switch (on brake pedal support) Brake on/off sw feed C282 C287 C288 Datalink connector (behind left side of i/p) Exterior lights system Fuse 10a Fuse 15a Fuse 30a Fuse 7.5a G-switch #1 G-switch status G104 (left rear corner of engine compt, at fender apron) Gem iso link Generic electronic module (gem) (behind center of i/p) Ground Hot at all times Hot in run Hot in run or start Ignition Instrument cluster Interior interior fuse panel L fnt dump valve L fnt iso valve L fnt sensor (hi) L fnt sensor (lo) Left front dump valve Left front iso valve Left front wheel 4wabs sensor Motor speed sens #2 Nca Pnk Power Power power distribution distribution box box Powertrain control module (at right kick panel) Pump motor rly ctrl g-switch #2 Rear axle sensor Rear dump valve Rear iso valve Rear sensor (hi) Rear sensor (lo) Red/pnk Relay coil (-) Right front dump valve Right front iso valve Right front wheel 4wabs sensor Rt fnt dump valve Rt fnt iso valve Rt fnt sensor (hi) Rt fnt sensor (lo) S137 S155 S173 S173 (near breakout to 4wabs pump motor) S174 S212 S213 S601 Tan Tan/ red Tan/red Warning lamp
ANTI-THEFT Anti-theft Wiring Diagram for Mercury Mountaineer 1997 List of elements for Anti-theft Wiring Diagram for Mercury Mountaineer 1997: 91 "r" input (i/p harn, left side of i/p behind kick panel) s229 (i/p harn, near breakout to relay module) (left rear of engine compt) compartment) (right side of i/p) * w/o cellular ** w/ cellular 1/2 3/4 5/6 7/8 9/0 Ant Antenna Anti- theft hood switch (closed w/ hood open) Anti- theft relay (in relay module) Anti-theft indicator Bat Boo sw Brake on/off switch C280 C281 C286 C287 C336 C338 Com Data Data link connector Disarm Door ajar Door locks Electronic suspension system Exterior lights (tr sensor-a/t) (backup sw-m/t) Fuse 12 20a Fuse 13 15a Fuse 20 7.5a Fuse 24 10a G104 * G105 (right side of engine compt) G1o0 (left front of engine compt.) G201 ** G412 (rear of vehicle) G500 (left front door) G600 (right front door) Generic electronic module (behind center of i/p) Ground Headlights system (autolamps) Hood sw Horn rly Horns system Hot at all times Hot in accy or run Hot in start Ig tamper Ign Ignition cylinder tamper switch Illumination Ind led Instrument cluster Int lights Interior fuse panel (left side of i/p) Keyless entry switch assembly Kypd illum Left front door disarm switch (closed if opened w/ key) Liftgate disarm switch (closed if opened w/key) Lo beam Lock all Mem 1 Mem 2 Memory system Nca Phone Power distribution box (left side of engine compt, at fender apron) Red Remote anti-theft personality module (left rear quarter panel) Right front door disarm switch (closed if opened w/key) S161 S212 (i/p harn, near breakout to datalink connector) S229 S232 S245 S255 S258 S407 S500 S602 Starting/ charging system Strtr int Unlck all Unlck lf
BODY COMPUTER Body Computer Wiring Diagrams (1 of 2) for Mercury Mountaineer 1997 List of elements for Body Computer Wiring Diagrams (1 of 2) for Mercury Mountaineer 1997: 77 (early prod) (front) (front-rear) * central timer Acc delay relay ctrl Anti-theft system Battery saver relay ctrl Brake/run relay ctrl C280 C283 Central timer module diagnostic connector (behind center of i/p) Computer data lines system Ctm diagnostic in Current sense high Current sense low Defogger system Defrost relay ctrl Defrost sw in Diagnostic in Door ajar ind ctrl Door disarm in Door handle sw in Door locks system Door unlock rly ctrl Down in Engine controls system (vehicle speed sensor) Fasten belt ind ctrl Fuse 7.5a G100 (left front of engine compt, near radiator) G104 (w/o cellular phone) (left rear corner of engine compartment, at fender apron) G201 (w/ cellular phone) (right side of i/p) Generic electronic module (behind center of i/p) Gnd Hot at all times Hot in acc or run Hot in run Hot in start Ignition (acc/run) Ignition (run) Ignition (start) Instrument cluster system Interior fuse panel Interior lamp relay ctrl Interior lights system Interval/delay wash in Key in ignition sw Lf door ajar Liftgate in Lr door ajar in Memory systems Module connectors One-touch down relay ctrl Park sense Park/headlamps on in Power distribution system Power window system Power-battery Power-battery Rf door ajar Rr door ajar in S200 S232 S241 S242 S245 S250 (i/p harn, in breakout to gem module) Seat belt warn sw in Signal return Sound tone in Tan/red Up in Vehicle speed sensor in Warning system Washer pump ctrl Wiper mode select sw Wiper speed ctrl Wiper/washer system Body Computer Wiring Diagrams (2 of 2) for Mercury Mountaineer 1997 List of elements for Body Computer Wiring Diagrams (2 of 2) for Mercury Mountaineer 1997: 55 (early prod) (i/p harn, in breakout to gem module) s251 (i/p harn, in breakout to gem module) s252 (i/p harn, near breakout to relay module) s255 (rear) 4-high to 4-low relay ctrl 4-low to 4-high relay ctrl 4wd contact plate out 4x4 high range ind ctrl 4x4 low range ind cntrl 4x4 low signal input 4x4 mode sw in 4x4 mode switch A/t Air ride control in Anti-lock brake in Anti-lock brakes system Anti-theft system Anti-theft system (interior lights control) Brake on/off sw in Brake on/off switch C281 C282 Contact plate a Contact plate b Contact plate c Contact plate d Door ajar out Electronic shift motor transfer case Electronic suspension system Front speed sensor in Fuse 15a G203 (right kick panel) Generic electronic module (behind center of i/p) Gnd (m/t) neutral sense in (a/t) Hot at all times Illuminated entry out rear wiper down relay ctrl Instrument cluster system Interior fuse panel M/t Rear speed sensor in Rear wiper high Rear wiper low Rear wiper mode select in Rear wiper park sense Rear wiper up relay S108 S212 (i/p harn, near breakout to datalink conn) Speed sensor pwr Tan Torque on demand relay (right side of i/p) Torque-on-demand out Transfer case shift relay (behind center of i/p) Transmission range sensor (left side of transmission) Wiper/washer system
COMPUTER DATA LINES Computer Data Lines for Mercury Mountaineer 1997 List of elements for Computer Data Lines for Mercury Mountaineer 1997: 27 (at left rear quarter panel) (behind left side of i/p) data link connector (dlc) (near breakout to relay module) s255 4wabs control module (left side of engine compt) Air bag diagnostic monitor (right side of i/p) Automatic ride control (arc) module (left center of i/p) C2000 C280 C283 C297 C336 Dlc bus (+) Dlc bus (-) Electronic automatic temperature control (eatc) module (behind center of i/p) Fuse 5 10a G104 (left front of engine compt, near radiator) G104 (w/o lux) (left rear corner of engine compt) G201 (w/ lux) (right side of i/p) Generic electronic module (gem) (behind center of i/p) Hot at all times Interior fuse panel Powertrain control module (pcm) (mounted through cowl panel) Remote anti-theft personality (rap) module S205 S206 S230 S232
CRUISE CONTROL Cruise Control Wiring Diagram for Mercury Mountaineer 1997 List of elements for Cruise Control Wiring Diagram for Mercury Mountaineer 1997: 50 A/t w/ high series console A/t w/o high series console Accel Back light Brake on/off (boo) switch (on brake pedal support) Brake press input Brake pressure switch (left rear corner of engine compt) C286 C338 Clutch pedal position (cpp) switch (on clutch pedal arm) Clutch pedal position (cpp) switch jumper (left side of i/p, taped to main harness) Coast Fuse 15a Fuse 7.5a G100 (left front of engine compt, near radiator) G104 (left rear corner of engine compartment, at fender apron) Ground Headlamp switch Horn relay (in power distri- bution box) Horn switches Hot at all times Hot in run Ignition Ignition cylinder tamper switch Indicator control Instrument cluster Interior fuse panel Interior lights system M/t Maxi fuse 11 20a Nca Off Ohms Power distribution box Remote anti-theft personality (rap) module (left rear quarter panel) Resume S113 S134 S156 S157 S168 (engine harn, near breakout to 4wabs control module) S212 (main harn, near breakout to data link conn) Set/ Speed cont sw gnd Speed cont sw in Speed control indicator lamp Speed control servo/ amplifier assembly (right rear of engine compartment) Speed control/ horn switch assembly (in steering column assembly) Vehicle speed input Vehicle speed sensor (vss) (on transmission)
DEFOGGERS Defogger Wiring Diagram for Mercury Mountaineer 1997 List of elements for Defogger Wiring Diagram for Mercury Mountaineer 1997: 36 (body harn, 50 mm from breakout to instrument cluster) (w/ cellular phone) (right side of i/p) (w/o cellular phone) (left rear corner of engine compt. at fender apron) C280 C283 Defrost on/off switch Defrost relay control Defrost switch input Fuse 10a Fuse 30a Fuse 7.5a G104 G201 G406 (on center of liftgate) G500 (left front door) G600 (right front door) Generic electronic module (behind center of i/p) Heated rear window switch Hot at all times Hot in run Illum Interior fuse panel Interior lights system Left power/ heated mirror On indicator Power distribution box Rear window defrost grid Rear window defrost relay (behind top right side of i/p) Right power/ heated mirror S162 S221 S222 S229 S405 (body harn, near breakout to heated glass) S500 S602
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram (1 of 2) for Mercury Mountaineer 1997 List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Mercury Mountaineer 1997: 68 (i/p harn, near breakout to inst cluster) (left rear corner of engine compartment, on fender apron) 4x4 high sig 4x4 low sig Arc accel sig Arc compr rly Arc off/on sw Automatic ride control (arc) module (left center of i/p) Automatic ride control compressor assembly (at rear of vehicle) Automatic ride control off/on switch (rear of vehicle) Automatic ride control relay Auxiliary relay box #3 (left rear of engine compartment) Brake on/off sw C2000 C2001 Comp vent sol Door ajar in Engine controls system Front fill sol Fuse 18 15a Fuse 3 50a G100 (w/o cellular phone) (left rear corner of engine compt.) G104 G104 (left rear corner of engine compt, at fender apron) G105 (right side of engine compt) G1oo (left front of engine compt, near radiator) G200 (left kick panel) G201 (w/ cellular phone) (right side of i/p) Gnd Height sen power Hot at all times Iso link Left front shock actuator (at left front shock) Left rear shock actuator (at left rear shock) Lf height sen Lf shock actuator Lf shock pos in Lr shock actuator Lr shock pos in Nca Pcm accel sig Pnk Power (hot in run) Power distribution box Powertrain control module (pcm) (right rear of engine compt.) Rear fill sol Rear gate sol Rear height sen Red Rf shock actuator Rf shock pos in Right front shock actuator (at right front shock) Right rear shock actuator (at right rear shock) Rr shock actuator Rr shock pos in S153 S157 S159 S230 S232 S247 S253 S351 Steering sensor Steering sensor (in steering column) Vehicle speed sensor (on transmission) Vss (+) Warning sig Electronic Suspension Wiring Diagram (2 of 2) for Mercury Mountaineer 1997 List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Mercury Mountaineer 1997: 34 (i/p harn, near breakout to relay module) 4wabs control module (left side of engine compt) Air bag diagnostic monitor (behind right side of i/p) Brake on/off switch (on brake pedal) C2008 C2009 C233 C280 C281 C282 C336 Data link connector (behind left side of i/p) Front fill solenoid (left rear corner of engine compt) Fuse 13 15a Fuse 1o 7.5a G100 (left front of engine compt, near radiator) G200 (left kick panel) Generic electronic module (gem) (behind center of i/p) Hot at all times Hot in run Interior fuse panel Left front height sensor (at left front shock) Message center (in instrument panel console) Rear fill solenoid (on rear axle) Rear gate solenoid (left rear corner of vehicle) Rear height sensor (left rear corner of vehicle) Remote anti-theft personality (rap) module (left rear quarter panel) S160 S212 (i/p harn, near breakout to datalink conn) S241 S255 S256 (i/p harn, near breakout to inst cluster) S258 S351
ENGINE PERFORMANCE
5.0L 5.0L, Engine Performance Wiring Diagrams (1 of 4) for Mercury Mountaineer 1997 List of elements for 5.0L, Engine Performance Wiring Diagrams (1 of 4) for Mercury Mountaineer 1997: 72 (75 mm from branch to wot a/c relay) (left front of engine compt., near radiator) g100 (near breakout for injector 3) (right kick panel) A/c hi press Air conditioning system (wot a/c relay) Air susp input Case gnd Ckp sensor (+) Ckp sensor (-) Crankshaft position sensor (lower front of engine) Crankshaft position sensor shield Data link Data link (+) Data link (-) Data link connector (behind left side of i/p) Digital transmission range sensor (dtr sensor) (left side of transmission) Ect sens Electronic suspension system Evr ctrl Fuel flow rate Fuel level in Fuel pump mon Fuse 10a Fuse 25a Fuse 30a G100 (left front of engine compt. near radiator) G104 (left rear corner of engine compt., at fender apron) G203 G203 (right kick panel) Ho2s 3 sig Hot at all times Hot in run Hot in run or start Iat sens Ign coil 1 Ign coil 2 Ignition coils 1 & 2 Ignition coils 3 & 4 Instrument cluster system Interior fuse panel Maf sig rtn Mil Octane adjust Pcm power diode Pcm power relay Power distribution box Powertrain control module (right side of engine compt) Pwr gnd R n Radio noise capacitor (left of ignition coil) Red S105 S108 S116 S118 S128 S157 S162 Shift sol 1 Shift sol 2 Spark plugs Tachometer Tachometer data link connector (near blower motor) To dtr sensor (diagram 4 of 4) Tr1 Tr2a Tr4a Trans ctrl sw Trans temp Transmission control switch Vss (-)/gnd 5.0L, Engine Performance Wiring Diagrams (2 of 4) for Mercury Mountaineer 1997 List of elements for 5.0L, Engine Performance Wiring Diagrams (2 of 4) for Mercury Mountaineer 1997: 41 (100 mm from breakout for throttle position sensor) (behind right kick panel) inertia fuel shut-off switch (near breakout for injector 6) (speedometer/ odometer) vehicle speed input 1997.25 C2008 C2009 C286 C287 Differential pressure feedback egr sensor (rear of engine compt.) Egr valve position sensor (right rear of engine) Engine coolant temperature sensor (top front of engine) Fuel flow rate input Fuel pump Fuel pump relay Fuel reset switch indicator input Fuel tank assembly Fuse 20a G200 (left kick panel) Hot at all times Instrument cluster Intake air temperature sensor (downstream of cleaner assembly) Malfunction indicator input Message center Nca Octane adjust (shorting bar) (top left front of engine compt.) Output shaft speed sensor (left rear of transmission) Power distribution box Pressure transducer Red Red/pnk Remote anti-theft personality module S106 (in breakout for powertrain control module) S146 S166 S235 S275 Tach input Tachometer input Throttle position sensor (on throttle body) Transmission control indicator input 5.0L, Engine Performance Wiring Diagrams (3 of 4) for Mercury Mountaineer 1997 List of elements for 5.0L, Engine Performance Wiring Diagrams (3 of 4) for Mercury Mountaineer 1997: 38 (135 mm from branch to fuel pump relay) (30 mm from branch to fuel injector 4) (center of i/p) generic electronic module (in breakout for powertrain control module) (near breakout for fuel injector 7 (near breakout to fuel injector 6) (near rear view mirror) compass/ outside air temperature module (right rear of engine compt.) speed control servo/ amplifier assembly (transmission) vehicle speed sensor 4r70w transmission Air conditioning system (wot a/c relay) C2008 C283 Canister vent solenoid (under the spare tire, between the canisters Egr vacuum regulator solenoid (top right of engine) Electronic pressure control solenoid Fuel injectors Idle air control valve (top right of engine, on throttle body) Message center Red Red/pnk S101 S117 S123 S124 S167 S168 (near breakout to 4wabs control module) S169 S247 (near breakout to i/p) Shift solenoids Ss1 Ss2 Tan Tan/ red Tan/red Torque converter clutch solenoid Transmission fluid temperature sensor Vapor management valve (left front corner of engine compt.) 5.0L, Engine Performance Wiring Diagrams (4 of 4) for Mercury Mountaineer 1997 List of elements for 5.0L, Engine Performance Wiring Diagrams (4 of 4) for Mercury Mountaineer 1997: 81 (left side of i/p, taped to harness) clutch pedal position switch jumper (near breakout for instrument cluster) (near breakout to auxiliary relay box 3) (near breakout to egr valve position sensor) 270 ohms Air conditioning system (wot a/c relay) Brake on/off Brake on/off switch Cam pos in Camshaft position sensor (rear of engine) Camshaft position sensor shield Digital transmission range sensor (dtr sensor-a/t) (left side of transmission) Dpfe sens Epc sol Evap Evp sens From dtr sensor (diagram 1 of 4) Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj 7 Fuel inj 8 Fuel pump ctrl Fuse 15a Fuse 20a (maxi) Fuse 20a (mini) G100 (left front of engine compt. near radiator) G203 (right kick panel) Heated oxygen sensor 1 (on exhaust pipe) Heated oxygen sensor 2 (on exhaust pipe) Heated oxygen sensor 3 (on exhaust pipe) Heated oxygen sensor 4 (on exhaust pipe) Heater ctrl Ho2s 1 Ho2s 1 sig Ho2s 2 Ho2s 2 sig Ho2s 3 Ho2s 4 Ho2s 4 sig Hot at all times Iac sol Ign coil 3 Ign coil 4 Interior fuse panel Kapwr (+) Maf sens in Mass air flow sensor (right side of of engine compt.) Nca Oss (+) Power Power distribution box Power gnd Powertrain control module (right side of engine compt) Press trnsducr Pwr gnd Red Red/pnk Ref volt S105 S108 S113 S119 S135 (in breakout to rear of engine compt.) S142 S147 S201 Sig rtn Tan Tan/red Tcc sol Tp sens in Tr sens Trans ctrl ind Vapor valve Vpwr Vss (+) Wac
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Mercury Mountaineer 1997 List of elements for Back-up Lamps Wiring Diagram for Mercury Mountaineer 1997: 21 (body harn, near liftgate washer pump motor breakout) (left kick panel) A/t w/ dtr A/t w/o dtr Backup lamp switch (left side of transmission) C336 Day/night mirror/ auto lamp sensor (in rear-view mirror) Digital transmission range (dtr) switch (left side of transmission) Fuse 10a G200 Hot in run Interior fuse panel Left backup lamp M/t Remote anti-theft personality module (at left rear quarter panel) Right backup lamp S162 S235 S302 S307 Transmission range (tr) switch (left side of transmission) Exterior Lamps Wiring Diagram for Mercury Mountaineer 1997 List of elements for Exterior Lamps Wiring Diagram for Mercury Mountaineer 1997: 95 (body harn, near left license lamp breakout) (body harn, near liftgate washer pump motor breakout) (body harn, near right stop/park lamp breakout) (eng harn, near left front park/ turn lamp breakout) (eng harn, near left front side marker lamp breakout) s177 (eng harn, near right front side marker lamp breakout) (i/p harn, near relay module breakout) s244 (left rear corner of engine compt., at fender apron) (w/o lux) g104 (rear) (right side of engine compt.) (right side of i/p) (w/ lux) (right side of i/p) (w/ lux) g201 * w/ center ** w/o center Anti-theft system At fender apron) (w/o lux g104 Ballast Batt Brake on/off switch (behind steering column) C216 C217 C280 C286 C287 Console Day/night mirror/ autolamp sensor (in rear-view mirror) Dimmer relay (in relay module) Fuse 10a Fuse 15a Fuse 7.5a G104 (left rear corner of engine compt., at fender apron) G105 G105 (right side of engine compt.) G200 (left kick panel) G201 G412 (rear of vehicle) Generic electronic module (gem) (behind center of i/p) Gnd Hazard Head Headlamp switch High mount stop lamp assembly Hot at all times Hot in run Ign (run) Instrument cluster Interior fuse panel Lamp out warning module (in instrument panel console) Lamps on Left front park/ turn lamps Left front side marker lamp Left license lamp Left stop/park lamp Left turn indicator Left turn signal lamp (rear) Multi-function Nca Normal Off Park Park lamp relay (in relay module) Relay ctrl Right front park/ turn lamps Right front side marker lamp Right license lamp Right stop/park lamp Right turn indicator Right turn signal lamp S102 S103 S109 S110 (eng harn, near right front park/ turn lamp breakout) S161 S178 S229 S230 S235 S267 (i/p harn, near left kick panel) S300 S301 S302 S305 S400 S402 Switch Trailer tow park lamp relay (in auxiliary relay box 4) Trailer/camper adapter circuit (stop/turn relays) Turn left Turn right Turn/hazard control Turn/hazard flasher (in steering column) Vehicles with job 1 date of july 29, 1996 W/ lamp out warning W/ trailer tow W/o lamp out warning Exterior Lamps Wiring Diagram, Early Production for Mercury Mountaineer 1997 List of elements for Exterior Lamps Wiring Diagram, Early Production for Mercury Mountaineer 1997: 96 (body harn, near left license lamp breakout) (body harn, near liftgate washer pump motor breakout) (body harn, near right stop/park lamp breakout) (eng harn, near left front park/ turn lamp breakout) (eng harn, near left front side marker lamp breakout) s177 (eng harn, near right front side marker lamp breakout) (i/p harn, near relay module breakout) s244 (left rear corner of engine compt., at fender apron) (w/o lux) g104 (rear) (right side of engine compt.) (right side of i/p) (w/ lux) (right side of i/p) (w/ lux) g201 * w/ center ** w/o center Anti-theft system At fender apron) (w/o lux g104 Ballast Batt Brake on/off switch (behind steering column) C216 C217 C280 C286 C287 Console Day/night mirror/ autolamp sensor (in rear-view mirror) Dimmer relay (in relay module) Fuse 10a Fuse 15a Fuse 7.5a G104 (left rear corner of engine compt., at fender apron) G105 G105 (right side of engine compt.) G200 (left kick panel) G201 G412 (rear of vehicle) Generic electronic module (gem) (behind center of i/p) Gnd Hazard Head Headlamp switch High mount stop lamp assembly Hot at all times Hot in run Ign (run) Instrument cluster Interior fuse panel Lamp out warning module (in instrument panel console) Lamps on Left front park/ turn lamps Left front side marker lamp Left license lamp Left stop/park lamp Left turn indicator Left turn signal lamp (rear) Multi-function Nca Normal Off Park Park lamp relay (in relay module) Relay ctrl Right front park/ turn lamps Right front side marker lamp Right license lamp Right stop/park lamp Right turn indicator Right turn signal lamp S102 S103 S109 S110 (eng harn, near right front park/ turn lamp breakout) S161 S178 S229 S230 S235 S267 (i/p harn, near left kick panel) S268 (i/p harn, near interior fuse panel main branch breakout) S300 S301 S302 S305 S400 S402 Switch Trailer tow park lamp relay (in auxiliary relay box 4) Trailer/camper adapter circuit (stop/turn relays) Turn left Turn right Turn/hazard control Turn/hazard flasher (in steering column) Vehicles with job 1 date of april 1, 1996 W/ lamp out warning W/ trailer tow W/o lamp out warning Lamp Outage Module Wiring Diagram for Mercury Mountaineer 1997 List of elements for Lamp Outage Module Wiring Diagram for Mercury Mountaineer 1997: 32 Brake lamp out C2008 C2009 Exterior lights circuit (brake on/off switch) Exterior lights circuit (park lamp relay) Exterior lights circuit (rear lamps) Fuse 7.5a G104 (w/o lux) (left rear corner of engine compartment, at fender apron) G201 (w/lux) (right side of i/p) Ground Headlamp input Headlamp out Headlamp ref Headlights system (interior fuse panel) Headlights system (left headlamp) Headlights system (right headlamp) Hot in run Ignition (run) Interior fuse panel L headlamp output Lamp out warning Lamp out warning module (in instrument panel console) Message center Prk lamp output Pwr R headlamp output R prk lamp input R prk lamp out S210 S231 Stop lamp input Stop lamp output Trailer/Camper Adapter Wiring Diagram for Mercury Mountaineer 1997 List of elements for Trailer/Camper Adapter Wiring Diagram for Mercury Mountaineer 1997: 22 (license lamps) (park lamp relay) 4wabs main relay (in auxiliary relay box 1) 87a Exterior lamps circuit Exterior lamps circuit (multi-function switch) Fuse 20a G104 (left rear corner of engine compt, at fender apron) G200 (left kick panel) Hot at all times License lamps Power distribution box S114 S155 S302 S400 To trailer left turn/stop lamp To trailer right turn/stop lamp To trailer tail lamps Trailer tow left turn/ stop relay (in auxiliary relay box #1) Trailer tow park lamp relay (in auxiliary relay box #4) Trailer tow right turn/ stop relay (in auxiliary realy box #1)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Mercury Mountaineer 1997 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Mercury Mountaineer 1997: 76 power distribution box) (i/p harness, near breakout for general electronic module) s229 (i/p harness, near breakout to i/p) s214 (i/p harness, near breakout to radio) s200 (i/p harness, near breakout to rear blower motor) s231 (w/ eatc) (w/o eatc) 4x4 mode switch A/c compressor clutch diode A/c compressor clutch solenoid Anti-theft hood switch Ashtray illumination Automatic ride control relay Auxiliary power Auxiliary relay box #2 Auxiliary relay box #3 Battery Battery ground Blend door actuator Blower motor relay Brake fluid level warning switch C2003 C2004 C2009 C228 C276 C283 C286 C287 C288 C291 C297 Cigar lighter Data link connector Dimmer module Electronic automatic temperature control (eatc) module Fog lamp switch G104 (left rear corner of engine compartment, at fender apron) G105 (right side of engine compartment) G201 (right side of i/p) Generic electronic module (gem) Headlamp switch Heated rear window switch Heater-a/c control assembly (w/o eatc) Instrument cluster Lamp out warning module Left front shock actuator Liftgate wiper/ washer switch Low washer fluid level sensor Message center Message center switch assembly Power antenna module Radio or front control unit Rear integrated control panel (ricp) Right fog lamp Right front shock actuator Right front side marker lamp S153 (engine harness, near breakout to S154 (engine harness, near breakout to S161 (engine harness, near breakout for anti-theft hood switch) S230 (i/p harness, near breakout for dlc) Shift lock actuator Steering sensor Torque on demand (tod) relay Transfer case shift relay Turn/ hazard flasher Under hood lamp W/ eatc only W/ high series console W/ lux W/ message center W/o high series console W/o lux W/o message center Washer pump motor Wiper motor Ground Distribution Wiring Diagram (2 of 4) for Mercury Mountaineer 1997 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Mercury Mountaineer 1997: 82 (early prod.) (engine harness, near breakout to 4wabs control module) s137 (engine harness, near breakout to ignition control module) s155 (late prod.) 4.0l sohc 4wabs control module 4wabs main relay 4wabs pump motor 4x4 mode switch 87a A/t w/o dtr Air bag diagnostic monitor Automatic ride control (arc) module Auxiliary relay box #1 Auxiliary relay box #2 Blower motor speed controller C2000 C2009 C232 C233 C280 C282 C287 C291 C336 C338 C350 Camshaft position (cmp) sensor Ckp sensor shield Cmp sensor shield Data link connector Digital transmission range sensor Fuel tank assembly G100 (left front of engine compartment, near radiator) G104 (left rear corner of engine compartment, at fender apron) G105 (right side of engine compartment) G203 (right kick panel) Generic electronic module (gem) Hi-speed blower relay Ignition cylinder tamper switch Instrument cluster Knock sensor Knock sensor #2 shield Left fog lamp Left front height sensor Left front park/ turn lamp Left front side marker lamp Left headlamp Low engine oil/ temperature switch M/t Mass air flow (maf) sensor Memory seat module Message center Message center switch assembly Nca Pcm power relay Power distribution box Powertrain control module (pcm) Rear height sensor Rear wiper down relay Rear wiper up relay Remote anti-theft personality (rap) module Right front park/ turn lamp Right headlamp S102 (engine harness, 100mm from branch to left headlamp) S103 (engine harness, 75mm from breakout to right headlamp) S105 (engine harness, in breakout for pcm) S156 (engine harness, near breakout to auxiliary relay box #1) S157 (engine harness, near breakout to fuel injector #6) S160 S232 (body harness, near breakout to rear window defrost relay) S233 S234 (body harness, near breakout to conn c324, driver's door seat buckle) Speed control servo/ amplifier assembly Speed control/ horn switch assembly Trailer tow left turn/stop relay Trailer tow right turn/stop relay Transmission range sensor Vehicle speed sensor (vss) W/ dtr W/ eatc W/o eatc Ground Distribution Wiring Diagram (3 of 4) for Mercury Mountaineer 1997 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Mercury Mountaineer 1997: 76 (body harness, 90mm from breakout to conn c326, left rear door jamb) s235 (body harness, near breakout to liftgate washer pump motor) s302 2 door 4 door 4 door only 4 door w/power equipment group only 87a Air ride control (arc) compressor assembly Auxiliary relay box #4 Breakout to right stop/park lamp) s301 Cargo lamp Compass/ outside air temperature module Day/night mirror/ autolamp sensor Door lock relay Door unlock relay Front fill solenoid Fuel tank assembly G200 (left kick panel) G500 (left front door, near master window control switch) G500 (near left front door speaker) G600 (near right front door speaker) G600 (right front door) G700 (left rear door) G700 (near left rear door lock motor) G800 (near right rear door lock motor) G800 (right rear door) Keyless entry switch assembly Left backup lamp Left front door courtesy lamp Left front door disarm switch Left front power door lock switch Left front power seat control switch Left front power window switch Left license lamp Left power bolster/ lumbar motor Left power/ heated mirror Left rear power window switch Left rear shock actuator Left stop/ park lamp Left turn signal lamp (rear) Liftgate lock switch Liftgate washer pump motor Master window/ door lock control switch Memory seat module Moonroof control switch Moonroof motor Nca Power mirror switch Rear fill solenoid Rear gate solenoid Right backup lamp Right front door courtesy lamp Right front door disarm switch Right front power door lock switch Right front power seat control switch Right front power window switch Right license lamp Right power lumbar motor Right power/ heated mirror Right rear power window switch Right rear shock actuator Right stop/ park lamp Right turn signal lamp (rear) S202 (body harness, near breakout to right vanity mirror lamp switch) S234 (body harness, near breakout to conn c324, in driver's seat belt buckle) S321 (memory seats) S500 (body harness, 30mm from branch for left front door lock actuator) S602 (body harness, near breakout for g600) S800 (body harness, breakout to right rear power window switch) Seatbelt warning switch Trailer tow park lamp relay Trailer/ camper adapter (trailer ground wire) W/ electronic group only W/ power equipment group only W/o power equipment group W/o power equipment group only Ground Distribution Wiring Diagram (4 of 4) for Mercury Mountaineer 1997 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Mercury Mountaineer 1997: 27 Amplifier C228 Cd changer Front control unit G105 (right rear of engine compartment, on cowl panel) G412 (rear center of vehicle, in liftgate) G412 (rear of vehicle) High mount stop lamp Left liftgate ajar switch Liftgate disarm switch Liftgate wiper disable switch Liftgate wiper motor Mobil telephone transceiver Nca Rear integrated control panel (ricp) Remote chassis unit Right liftgate ajar switch S352 (body harness, near breakout to rear chasis unit) S407 (body harness, near breakout to left rear door ajar switch) Sub-woofer amplifier W/ cd changer W/ high series console W/ lux radio W/ power equipment group W/ premium sound W/o high series console W/o power equipment group
HEADLIGHTS Headlamps Wiring Diagram, with Autolamps for Mercury Mountaineer 1997 List of elements for Headlamps Wiring Diagram, with Autolamps for Mercury Mountaineer 1997: 69 (eng compt harn, near left front of eng compt) (eng compt harn, near left headlamp breakout) s112 (i/p harn, near left kick panel) s267 C210 C280 C287 C338 C350 Day/night mirror/ autolamp sensor (mounted in rear view mirror) Day/nt mir out Dimmer relay Dimmer switch Exterior lights system Flash-to- pass switch Fuse 10a Fuse 15a Fuse 20a Fuse 30a Fuse 7.5a G104 (left rear corner of engine compartment, at fender apron) G104 (left rear corner of engine compt., at fender apron) G105 (right side of engine compartment) G200 (left kick panel) Generic electronic module (gem) (behind center of i/p) Ground Head Headlamp relay Headlamp switch Headlamps circuit (w/ drl) (daytime running lamps module pin 6) Headlamps circuit (w/ drl) (daytime running lamps module pin 8) Headlamps/ fog lamps circuit Hi beam indicator Hot at all times Hot at all times interior fuse panel Hot at all times power distribution box Hot in start or run Ignition Instrument cluster Interior fuse panel Lamp out warning module (in instrument panel console) Left headlamp Memory seat module (below left front seat) Mirrors system (automatic day/night miror) Multi- function switch Off Park Park lamp relay Pass Power Relay module (behind center of i/p) Relay output Remote anti-theft personality (rap) module (at left rear quarter panel) Right headlamp S103 S111 S155 S202 S209 S213 S229 S237 S238 S266 (i/p harn, near headlamp switch breakout) W/ drl W/ lamp out warning W/ memory seat W/o drl W/o lamp out warning W/o memory seat Headlamps Wiring Diagram, with DRL for Mercury Mountaineer 1997 List of elements for Headlamps Wiring Diagram, with DRL for Mercury Mountaineer 1997: 65 (eng compt harn, near left front of eng compt) s111 (eng compt harn, near left headlamp breakout) (i/p harn, near headlamp switch breakout) Acc Battery Brake fluid level warning switch (mounted on left side of master cylinder) Brake indicator C210 C216 C287 C288 Daytime running lamps (drl) module (left front corner of engine compt) Dimmer switch Drl disable Flash-to- pass switch Fuse 11 20a Fuse 11 7.5a Fuse 26 10a Fuse 33 15a Fuse 4 10a Fuse 8 10a Fuse 8 15a G104 (left rear corner of (left rear corner of engine compt., at engine compt., at fender apron) fender apron) G104 (left rear corner of engine compartment, at fender apron) G105 (right side of engine compartment) Head Headlamp switch Headlamps Headlamps circuit (w/ autolamps) Headlamps/ fog lamps circuit (fog lamp relay) Hi beam ind feed Hi beam indicator Hot at all times Hot in run Hot in run or start Ign feed Ignition switch Instrument cluster Interior fuse panel Lamp out warning module (in instrument panel console) Left headlamp Lock Low Multi- function switch Normal Off Park Parking brake switch (right side of parking brake lever) Pass Power distribution box Right headlamp Run S103 S112 S115 S153 S155 S176 (eng compt harn, near brake press switch breakout) S213 S229 S237 S266 Start W/ lamp out warning W/o lamp out warning Headlamps/Fog Lamps Wiring Diagram, without DRL for Mercury Mountaineer 1997 List of elements for Headlamps/Fog Lamps Wiring Diagram, without DRL for Mercury Mountaineer 1997: 48 (eng compt harn, near left front of eng compartment) s172 (eng compt harn, near left front of eng compt) s111 (i/p harn, near headlamp switch breakout) C210 C216 C287 Dimmer switch Flash-to- pass Fog lamp relay Fog lamp switch Fuse 15a Fuse 20a Fuse 33 15a Fuse 4 10a Fuse 8 10a G104 (left rear corner of engine compartment, at fender apron) G104 (left rear corner of engine compt., at fender apron) G105 (right side of engine compartment) G105 (right side of engine compartment) Head Headlamp switch Hi beam indicator Hot at all times Illum Instrument cluster Interior fuse panel Interior lights system Lamp out warning module (in instrument panel console) Left fog lamp Left headlamp Multi- function switch Off Park Pass Power distribution box Right fog lamp Right headlamp S103 S112 (eng compt harn, near left headlamp breakout) S115 S155 S161 S229 S237 S266 W/ fog lamps only W/ lamp out warning W/o lamp out warning
HORN Horn Wiring Diagram for Mercury Mountaineer 1997 List of elements for Horn Wiring Diagram for Mercury Mountaineer 1997: 16 C338 Front of radiator support) G100 (left front of engine compt, near radiator) High pitch horn (left Horn relay (in power distribution box) Horn switches Hot at all times Ignition cylinder tamper switch Low pitch horn (left Maxi fuse 11 20a Nca Power distribution box (left fender apron) Remote anti-theft personality module (left rear quarter panel) S113 S232 Speed control/ horn switch assembly
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Mercury Mountaineer 1997 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Mercury Mountaineer 1997: 92 "anti-theft" indicator "brake" indicator "door ajar" indicator "fasten seatbelt" indicator (4.ol) (5.0l) (center of i/p) s274 (early prod) (eng compt harn, near a/c relay) (eng compt harn, near gem) s275 (i/p harn, near breakout to inst cluster) (late prod) 4.0l 4.32k 4wd indicator (hi-range) 4wd indicator (lo-range) 5.0l Acc Air bag indicator Anti-lock brakes system Anti-lock indicator Anti-theft system Brake fluid level warning switch (brake fluid reservoir) low C286 C287 C288 Charge indicator Check gauge Cruise control system Daytime running lamps (drl) module (left front corner of eng. compt.) Dc out Dimmer module (left side of steering column) Dimmer relay (in relay module, behind center of i/p) Engine controls system Engine controls system (late prod only) Engine coolant temperature gauge Engine coolant temperature sender (left front of engine) Engine oil pressure gauge Engine oil pressure switch (next to power steering pump) Exterior lights system Fuel guage Fuel reset switch indicator Fuel tank assembly Fuse 15a Fuse 7.5a G100 (left front of engine compt., near radiator) G104 (left rear corner of engine compt., at fender apron) G104 (w/o cellular phone) (left rear corner of engine compt., at fender apron) G201 (w/ cellular phone) (right side of i/p) Head Headlamp switch Headlights system Hi beam Hot at all times Hot in run or start Ignition switch Illumination lamps Instrument cluster Interior fuse panel (left side of i/p) Interior lights system Left turn Lock Malfunction indicator lamp Off Park Parking brake switch (on parking brake lever) Right turn Run S128 S153 S176 (eng compt harn, near breakout to brk press switch) S213 S214 S228 S229 S232 S234 S242 S264 S276 Slosh module Speed control indicator Speedometer/ odometer Start Starting/charging system Tachometer Tachometer data link connector (right rear corner of engine compt) Transmission control indicator (tcil) Voltmeter W/ drl W/o drl Warning system Instrument Cluster Wiring Diagram (2 of 2) for Mercury Mountaineer 1997 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Mercury Mountaineer 1997: 87 (arc) disable switch input (arc) warning input oil temp/ level sense english/metric output (gem) to message center (i/p harn, near breakout to instr 1/c2008 10/c2008 11/c2008 12/c2008 2/c2008 21/c2009 22/c2009 23/c2009 24/c2009 25/c2009 26/c2009 27/c2009 28/c2009 29/c2009 3/c2008 30/c2009 31/c2009 32/c2009 33/c2009 34/c2009 35/c2009 36/c2009 4/c2008 5.0l only 5/c2008 6/c2008 7/c2008 8/c2008 9/c2008 Air conditioning system Battery Brake C2008 C2009 C280 Cluster) s247 Electronic suspension system Engine select Engine temp sense Fuel flow input Fuel flow rate output Fuel level input Fuse 10a Fuse 7.5a G100 (left front of engine compt., near radiator) G104 (left rear corner of engine compt., at fender apron) G104 (w/o cellular phone) (left rear corner of engine compt., at fender apron) G105 (right side of engine compt.) G201 (w/ cellular phone) (right side of i/p) Generic electronic module (behind center of i/p) Ground Head Hot at all times Hot in run Illumination feed Interior fuse panel (left side of i/p) Interior lights system Lamp out warning Lamp out warning module (in console) Low engine oil/ temperature switch (left side of engine, at oil pan) Low washer fluid level switch (in washer reservoir) Low washer fluid sense Message center Message center switch assembly Message center switch input Oil temp/ level sense Powertrain control module (mounted through cowl panel) Red S137 S157 S161 S168 (engine compt harn, near 4wabs ctrl module) S209 S231 S233 S241 Sound tone request Speed sensor input Switch bank Switch bank Tach input Tail Vehicle speed sensor (right side of transmission) Overhead Console Wiring Diagram for Mercury Mountaineer 1997 List of elements for Overhead Console Wiring Diagram for Mercury Mountaineer 1997: 15 (left front of engine compt., front of radiator) Compass Compass/outside air temperature module Engine controls system (vehicle speed sensor) Fuse 7.5a G200 (left kick panel) Hot in run Interior fuse panel Interior lights system (courtesy lamps circuit) Interior lights system (instrument illumination circuit) Microprocessor Outside air temperature sensor S202 S241 Thermometer
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Mercury Mountaineer 1997 List of elements for Courtesy Lamps Wiring Diagram for Mercury Mountaineer 1997: 62 (i/p harn, near left kick panel) Auxiliary relay box #4 (left rear of vehicle, above wheelwell) Bat saver rly ctrl Battery saver relay C280 C283 Cargo lamp Central timer module (ctm)/ generic electronic module (gem) (behind center of i/p) Compass/ outside air temperature module Dimmer module (left side of steering column) Dome lamp Dome lamp switch Fuse 27 10a Fuse 8 30a G104 (left rear corner of engine compartment, at fender apron) G200 (left kick panel) G412 (rear center of vehicle, in lifgate) G412 (rear of vehicle) G500 (left front door, near master window control switch) G600 (right front door) Glove box lamp and switch Hot at all times Int lamp rly ctrl Interior fuse panel Interior lamp relay Left front door ajar switch Left front door courtesy lamp Left liftgate ajar switch Left rear door ajar switch Left vanity mirror lamp/switch Lf door ajar input Liftgate disable/ajar Liftgate wiper disable switch (w/ power equipment group) Lr door ajar input Map lamp Nca Pnk Power distribution box Rear dome lamp Rear map lamp Relay module (behind center of i/p) Rf door ajar input Right front door ajar switch Right front door courtesy lamp Right liftgate ajar switch Right rear door ajar switch Right vanity mirror lamp/switch Rr door ajar input S104 S203 S234 S238 S246 S302 S322 S407 S500 S602 Underhood lamp W/ overhead console only W/ power equipment group W/o overhead console only Instrument Illumination Wiring Diagram (1 of 2) for Mercury Mountaineer 1997 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Mercury Mountaineer 1997: 86 (2-door)** (4-door) (3) (4-door) (2-door)** (i/p harn, near instrument cluster breakout) (i/p harn, behind center of i/p) (i/p harn, near left kick panel) s267 (left front door harn, near left front door courtesy lamp breakout) s501 (left rear corner of engine compt, at fender apron) (right side of i/p) ** mountaineer vehicles w/ job 1 date of april 1, 1996) 4x4 mode switch Anti-theft system Ashtray illum- ination C276 C280 C286 C287 C297 C298 Central timer module (ctm)/ generic electronic module (gem) (behind center of i/p) Clock spring Courtesy lamps circuit Day/night mirror/ autolamp sensor Dimmer module (left side of steering column) Dome lamp switch Door) s601 Electronic automatic temperature control (eatc) module Exterior lights system Fog lamp switch Front panel illumination Fuse 3 15a Fuse 7 7.5a G100 (left front of engine compartment, near radiator) G104 (w/o lux) G201 (w/ lux) G500 (left front door, near master window control switch) G600 (right front door) G700 (near left rear door lock motor) G800 (near right rear door lock motor) Gnd Head Headlamp switch Heated rear window switch Heater-a/c control assembly illumination Hot at all times Ignition cylinder tamper switch Illumination Illumination (2) Instrument cluster Interior fuse panel Left front power door lock switch (2-door) Left front power window switch Left rear power window switch Liftgate wiper/ washer switch Master window/ * door lock control switch (4-door) Message center switch assembly Nca Off Park Park lamp relay Red/ (body harn, near left rear door jamb) s240 Relay ctrl Relay module (behind center of i/p) Right front power door lock switch Right front power window switch Right rear power window switch S200 S229 S230 S232 S233 S244 S264 S500 S602 S700 S800 Solid state Speed control/ horn switch assembly To dimmer relay (relay module) (diagram 2 of 2) To splice s228 (diagram 2 0f 2) W/ autolamps W/ eatc W/ high series console only W/o eatc W/o high series console Instrument Illumination Wiring Diagram (2 of 2) for Mercury Mountaineer 1997 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Mercury Mountaineer 1997: 44 (diagram 1 of 2) (i/p harn, near instrument cluster breakout) s228 C2008 C2009 C228 C286 C297 C298 Compass/ outside air temperature module Dimmer relay Dimming indicators (power) Electronic automatic temperature control (eatc) module From dimmer module (diagram 1 of 2) From park lamp relay (relay module) From park lamp relay (relay module) (diagram 1 of 2) Fuse 11 7.5a G100 (left front of engine compt, near radiator) G104 (w/o lux) (left rear corner of engine compt, at fender apron) G105 (w/o lux radio) (right rear of engine compt, on cowl panel) G200 (left kick panel) G201 (w/ lux (right side of i/p) G412 (rear of vehicle) G412 (w/ lux radio) (rear of vehicle) Gnd Head Headlamp relay Headlamp switch Hot in run or start Instrument cluster Instrument illumination Interior fuse panel Message center Off Park Radio or front control unit Rear integrated control panel (ricp) Relay module (center of i/p) S200 S202 S208 (w/ message center) S213 S230 S233 S252 (w/ lux radio)
MEMORY SYSTEMS Memory System Wiring Diagrams for Mercury Mountaineer 1997 List of elements for Memory System Wiring Diagrams for Mercury Mountaineer 1997: 57 (at left rear quarter panel) C335 C338 C350 C351 C352 Entire seat Front height motor Front mtr-l Front of seat Front sensor Fuse 28 7.5a Fuse 5 30a Fuse 9 10a Fwd Fwd/ rwd motor G100 (left front of engine compt, near radiator) G200 (left kick panel) Ground Hall effect sensor Horizontal mtr-l Horizontal sensor Hot at all times Hot in start Interior fuse panel Left front power seat control switch Left front seat motor assembly Mem 1 Mem 2 Mem seat sw enable Mem seat sw lp drive Mem seat sw lp enable Mem seat sw postn #1 Mem seat sw postn #2 Mem seat sw set Memory seat module (below left front seat) Memory seat switch Nca Personality (rap) module Power Power distribution box Rear height motor Rear mtr-l Rear of seat Rear sensor Remote anti-theft Rwd S209 S234 S303 S317 S321 Seats system (left power lumbar seat switch) Sensor + Sensor - Set Start
POWER ANTENNA Power Antenna Wiring Diagram for Mercury Mountaineer 1997 List of elements for Power Antenna Wiring Diagram for Mercury Mountaineer 1997: 30 Antenna control Battery C332 C364 Fuse 7.5a G104 (left rear corner of engine compt, at fender apron) G201 (right side of i/p) Ground Hot at all times Hot in acc or run Hot in start Ignition Interior fuse panel Mirrors system Nca Phone Power antenna module (right rear of vehicle) Power antenna motor (base of right "a" pillar) Radio on input Radio on output Red/ pnk Remote chassis unit (right rear sidewall) S154 S200 S245 S355 Start input Start signal W/ cellular W/o cellular phone
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Mercury Mountaineer 1997 List of elements for Power Distribution Wiring Diagram (1 of 5) for Mercury Mountaineer 1997: 97 (early prod.) (eatc) (engine harness, near breakout for for fuel injector #3) s118 (engine harness, near breakout to 4wabs control module) s115 (engine harness, near breakout to conn c123, behind battery) s134 (engine harness, near breakout to conn c146, left rear of engine compt) s116 (i/p harness, in breakout to headlamp switch) s162 (i/p harness, in breakout to ignition switch) s204 (i/p harness, near breakout to i/p) (i/p harness, near breakout to i/p) s213 (interior fuse panel) (late prod.) (late production) (early production) (not used) 4.0l & 5.0l 4wabs control module 4wabs main relay 5.0l A/t w/o dtr A1 (not used) Acc Air bag diagnostic monitor Air bag diagnostic monitor (eatc only) Air bag diagnostic monitor (w/o eatc) Automatic ride control module Auxiliary relay box #1 (left side of engine compt) Auxiliary relay box #2 (right front of engine compt) Backup lamp switch Battery Blend door actuator Blower motor relay Brake fluid level warning switch Brake pressure switch C122 C2001 C2008 C231 C232 C233 C283 C286 C287 C288 C297 C332 Compass/ outside air temperature module Day/night mirror/ autolamp sensor Daytime running lamps (drl) module Digital transmission range sensor Dimmer relay Electronic automatic temperature control (eatc) module module (eatc) Fuse 10a Fuse 15a Fuse 25a Fuse 7.5a Fuse maxi 60a Generator/ voltage regulator Generic electronic module (gem) Heater-a/c control assembly Ignition coil Ignition switch Instrument cluster Interior fuse panel (left side of i/p) Lamp out warning module Lock M/t Message center Off Pcm power diode Pcm power relay Pnk Power distribution box (left side of engine compt) Radio noise capacitor Rear blower motor relay Rear integrated control panel (ricp) Rear window defrost relay Red Relay module (center of i/p) Run S141 S211 S240 (body harness, in breakout to conn c323, left rear door jamb) S241 Shift lock actuator Speed control servo/ amplifier assembly Start Starter motor Starter relay Steering sensor To fuse 20 (diagram 4 of 5) To fuse 24 (diagram 4 of 5) To fuse 5 (power distribution box) diagram 2 of 5) Transmission control switch (tcs) Transmission range (tr) sensor Turn/ hazard flasher W/ eatc W/o eatc Power Distribution Wiring Diagram (2 of 5) for Mercury Mountaineer 1997 List of elements for Power Distribution Wiring Diagram (2 of 5) for Mercury Mountaineer 1997: 71 (body harness, in breakout for liftgate washer pump motor) s303 (early production) 15a 20a 30a 4wabs main relay 4wabs pump relay 50a Accy delay relay Air bag diagnostic monitor Amplifier Auxiliary relay box #1 (left side of engine compt) Auxiliary relay box #2 (right front of engine compt) Auxiliary relay box #4 (left rear of vehicle, above wheel well) Blower motor relay C121 C232 C335 C338 C350 Daytime running lamps (drl) module Door Door lock relay Door unlock relay Driver's door unlock relay Engine controls system Fog lamp relay From a fuse 1 (power distri- bution box) (diagram 1 of 5) Fuel pump relay Fuse Fuse maxi 30a Fuse mini 15a or 20a Generator/ voltage regulator Horn relay Left front power seat control switch Left power lumbar seat switch Maxi Memory seat module Mini Mini fuse 4 or 20a Nca Pcm power relay Power distribution box (left side of engine compt) Powertrain control module (pcm) Rear window defrost relay Rear wiper down relay Rear wiper up relay Red Relay module (center of i/p) Remote anti-theft personality (rap) module Remote chassis unit (radio) Right front power seat control switch Right power lumbar seat switch S113 (engine harness, near breakout to power distribution box) S114 (engine harness, near breakout to power distribution box) S219 (late production) S236 (i/p harness, near breakout to headlamp switch) S239 (i/p harness, near breakout to conn c213, right corner of i/p) S317 Sub woofer amplifier To fuse 8 (power distri- bution box) (diagram 3 of 5) Trailer tow left turn/stop relay Trailer tow park lamp relay Trailer tow right turn/stop relay Transfer case shift relay W/ electronics group only W/ jbl W/ memory seat W/ power equipment group W/ premium sound W/o memory seat Power Distribution Wiring Diagram (3 of 5) for Mercury Mountaineer 1997 List of elements for Power Distribution Wiring Diagram (3 of 5) for Mercury Mountaineer 1997: 62 (body harness, in breakout to conn c267, left "a" pillar) s334 (diagram 2 of 5) (i/p harness, near breakout for i/p) s246 (i/p harness, near breakout to conn c291, left side of i/p) s237 (i/p harness, near breakout to g204) s322 (i/p harness, near breakout to relay module) s238 15a 20a 30a 50a Accy delay relay Automatic ride control (arc) off/on switch Automatic ride control relay Auxiliary relay box #1 (left side of engine compt) Auxiliary relay box #3 (left rear of engine compt) Auxiliary relay box #4 (left rear of vehicle, above wheel well) Battery saver relay C280 Compass/ outside air temperature module Defogger system Dimmer module Dimmer relay Dimmer switch Exterior lights system Flash- to-pass switch From maxi d fuse 5 (power distribution box) Fuse 10a Fuse 15a Fuse 1oa Fuse 7.5a Generic electronic module (gem) Glove box lamp & switch Head Head- lamp switch Headlamp relay (w/ autolamps) Headlamp switch Headlights system Interior fuse panel (left side of i/p) Interior lamp relay Left vanity mirror lamp Low Map lamp Maxi fuse Mini fuse Multi- function switch Nca Off Park Park lamp relay Pass Pnk Power distribution box (left side of engine compt) Rear map lamp Rear wiper down relay Rear wiper up relay Relay module (center of i/p) Right vanity mirror lamp S266 (i/p harness, near breakout to headlamp switch) To maxi fuse 3 (power distribution box) (diagram 4 of 5) Transfer case shift relay Underhood lamp W/o overhead console Power Distribution Wiring Diagram (4 of 5) for Mercury Mountaineer 1997 List of elements for Power Distribution Wiring Diagram (4 of 5) for Mercury Mountaineer 1997: 68 (adaptive suspension) (body harness, near breakout power antenna module) s355 (diagram 1 of 5) (engine harness, near breakout power distribution box) s163 (i/p harness, near breakout for i/p) s245 (other) A/t Anti-theft relay Auxiliary power Auxiliary relay box #2 (right front of engine compt) Brake on/off (boo) switch C2009 C228 C283 C291 C297 C335 C336 C350 C364 C435 Clutch pedal position (cpp) switch Clutch pedal position (cpp) switch jumper Data link connector Day/night mirror/autolamp sensor Electronic automatic temperature control (eatc) module From ignition switch From maxi e fuse 12 (power distribution box) (diagram 3 of 5) Front washer pump relay Fuse 10a Fuse 15a Fuse 2 (interior fuse panel) (diagram 5 of 5) Fuse 30a Fuse 7.5a G104 (left rear corner of engine compt. at fender apron) Generic electronic module (gem) Interior fuse panel (left side of i/p) Liftgate wiper/washer switch M/t Maxi fuse 60a Memory seat module Message center Mini fuse 30a Mobile telephone transceiver Pnk Power antenna module Power distribution box (left side of engine compt) Power mirror switch Radio or front control unit Red Relay module (center of i/p) Remote anti-theft/ personality (rap) module Remote chassis unit (radio) S165 (engine harness, near breakout for conn c115, left rear of engine compt) S200 S209 S212 (i/p harness, near breakout to dlc) S408 Starter relay To fuse (interior fuse panel) (diagram 5 of 5) To ignition switch Transmission range (tr) sensor W/ memory seat W/o center console only W/o memory seat Wiper hi-lo relay Wiper motor Wiper run relay Power Distribution Wiring Diagram (5 of 5) for Mercury Mountaineer 1997 List of elements for Power Distribution Wiring Diagram (5 of 5) for Mercury Mountaineer 1997: 25 (i/p harness, near breakout to cd changer) s243 (i/p harness, near breakout to radio) s242 C228 C283 C288 Cd changer Cigar lighter From brake on/off switch (diagram 4 of 5) From fuse (interior fuse panel) (diagram 4 of 5) Front control unit Fuse 10a Fuse 15a Fuse 7.5a G104 (left rear corner of engine compartment, at fender apron) Generic electronic module (gem) High mount stoplamp Instrument cluster Interior fuse panel (left side of i/p) Radio Rear blower motor relay Rear integrated control panel (ricp) S200 Turn/hazard flasher W/ am/fm W/ premium sound
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Mercury Mountaineer 1997 List of elements for Power Door Lock Wiring Diagram for Mercury Mountaineer 1997: 39 (520 mm from breakout 10 pin conn, inside left rear door jamb) s337 2 door 4 door 87a Auxiliary relay box #4 (left rear of vehicle, above wheelwell) C280 C336 C338 Door lock relay Door unlock relay Driver's door unlock relay G200 (left kick panel) G500 (left front door) G600 (right front door) Generic electronic module (behind center of i/p) Hot at all times Left front door lock motor Left rear door lock motor Lifgate lock switch Liftgate lock motor Lock Master window/ door lock control switch Maxi fuse 10 30a Power distribution box (left side of engine compt, at fender apron) Remote anti-theft personality module (w/ keyless entry only) (left rear quarter panel) Right front door lock motor Right front power door lock switch Right rear door lock motor S302 S303 S338 (near breakout to 10 pin conn, inside left rear door jamb) S339 (510 mm from breakout to 10 pin conn, inside left rear door jamb) S340 (near break- out to 10 pin conn, inside left rear door jamb) S500 S602 Unlck Unlock W/ electronic group W/o electronic group
POWER MIRRORS Photochromic Mirror Wiring Diagram for Mercury Mountaineer 1997 List of elements for Photochromic Mirror Wiring Diagram for Mercury Mountaineer 1997: 22 (body harn, main branch to break out for liftgate washer pump motor) s307 (left kick panel) A/t Anti-theft system (remote anti-theft personality (rap) module) Backup lamp switch (left side of transmission) Day/night mirror/ autolamp sensor (mounted in rear view mirror) Exterior lights Exterior lights system (park lamp relay) Fuse 10a Fuse 7.5a G200 Hot at all times Hot in run Hot in run and start Interior fuse panel M/t Park/ neutral position switch (left side of transmission) S162 S202 S209 S213 System (backup lamps) Power Mirror Wiring Diagram for Mercury Mountaineer 1997 List of elements for Power Mirror Wiring Diagram for Mercury Mountaineer 1997: 14 Direct- tional switch Fuse 7.5a G500 (left front door, near master window control switch) Hot at all times Interior fuse panel L/r motor Left power mirror Left/ right switch Power antenna system Power mirror switch Red Right power mirror S500 Up/dn motor
POWER SEATS Power & Lumbar Seat Wiring Diagram for Mercury Mountaineer 1997 List of elements for Power & Lumbar Seat Wiring Diagram for Mercury Mountaineer 1997: 29 Entire seat Front height motor Front of seat Fwd/rwd motor G200 (left kick panel) Hot at all times Inflate Left front power seat control switch Left front seat motor assembly Left lumbar air bladder Left power lumbar motor Left power lumbar seat switch Maxi fuse 10 30a Nca Power distribution box Rear height motor Rear of seat Red Right front power seat control switch Right front seat motor assembly Right lumbar air bladder Right power lumbar motor Right power lumbar seat switch Rwd fwd S231 S235 S301 S303 Vent
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Mercury Mountaineer 1997 List of elements for Power Top/Sunroof Wiring Diagrams for Mercury Mountaineer 1997: 30 (near breakout to relay module) s259 Accy delay relay Accy delay relay ctrl Battery saver relay Battery saver relay ctrl C283 Ccw stop sw Close Clutch Cw stop sw Fuse 10a G200 (left kick panel) Generic electronic module (behind center of i/p) Hot at all times Interior fuse panel Maxi fuse 10 30a Maxi fuse 8 30a Moonroof control switch Moonroof motor (center rear of roof) Nca Open Pnk Power distribution box Power windows and transmission systems Red Relay module (behind center of i/p) S202 S236 S238 S246
POWER WINDOWS Power Window Wiring Diagram, 4 Door for Mercury Mountaineer 1997 List of elements for Power Window Wiring Diagram, 4 Door for Mercury Mountaineer 1997: 54 (i/p harn, near break- out to relay module) s259 (i/p harn, near breakout to relay module) s314 (near breakout to radio) s271 (near breakout to radio) s272 Accessory delay relay (in relay module) Accy delay Batt saver Battery saver relay (in relay module) C283 Current hi Current low Down input Fuse 10a G500 (left front door) G600 (right front door) G700 (near left rear door lock motor) G800 (near right rear door lock motor) Generic elec- tronic module (behind center of i/p) Hot at all times Interior fuse panel Interior lights system Left front power window motor Left front switch Left rear power window motor Left rear power window switch Left rear switch Master window/ door lock control switch Maxi fuse 10 30a Maxi fuse 8 30a One touch dn One touch down relay (in relay module) Pnk Power distribution box (left side of engine compt, at fender apron) Power tops system Red Resistance wire (0.015 +/- 0.001 ohm) Right front power window motor Right front power window switch Right front switch Right rear power window motor Right rear power window switch Right rear switch S237 S238 S246 S260 (near break- out to park brake switch) S270 (i/p harn, near breakout to relay module) S500 S602 S700 S800 Transmissions system Up input Window lock switch
RADIO Base Radio for Mercury Mountaineer 1997 List of elements for Base Radio for Mercury Mountaineer 1997: 27 Antenna C228 C229 Fuse 10a Fuse 7.5a Fused ignition G104 (rear of left front fender) G901 (right "a" pillar) Ground Hot at all times Hot in run or acc Illuminaton Interior fuse panel (left side of vehicle, below dash) Interior lights system L front spkr L rear spkr Left front speaker Left rear speaker Nca Power (b+) R front spkr R rear spkr Radio Right front speaker Right rear speaker S200 S245 JBL System for Mercury Mountaineer 1997 List of elements for JBL System for Mercury Mountaineer 1997: 82 Antenna Audio on C228 C256 C264 C265 C332 C333 C386 C387 C388 Cd changer Cd lt sig in Cd lt sig out Cd rt sig in Cd rt sig out Cellular telephone Front control unit Fuse 10a Fuse 30a Fuse 7.5a Fused ignition G104 (rear of left front fender) G412 (rear of vehicle) Ground Hot at all times Hot in run or acc Hot in start Illulminaton Illumination In (+) In (-) Interior fuse panel (left side of vehicle, below dash) Interior lights system L front sig (+) L front sig (-) L rear sig (+) L rear sig (-) Left front speaker Left rear speaker Left sig (+) Left sig (-) Mute Nca Out (+) Out (-) Phone Pnk Pnone Power (b+) Power antenna Power antenna system Power distribution box (left side of engine compt) Protocol a Protocol b R front sig (+) R front sig (-) R rear sig (+) R rear sig (-) Rear integrated control panel Remote chassis unit (right rear side of vehicle) Right front speaker Right rear speaker Right sig (+) Right sig (-) S200 S231 S243 S245 S352 S355 Shield Starter signal Subwoofer Subwoofer (+) Subwoofer (-) Subwoofer amplifier (right rear side of vehicle) Tan Tape left (+) Tape left (-) Tape right (+) Tape right (-) Premium Sound Radio Wiring Diagram, with CD Player for Mercury Mountaineer 1997 List of elements for Premium Sound Radio Wiring Diagram, with CD Player for Mercury Mountaineer 1997: 78 (dash harn, near breakout to radio) (dash harn, near breakout to rear blower motor) (dash harn, near breakout to rear integrated control panel) (right "a" pillar) g901 Amplifier (right rear side of vehicle) Antenna Audio on C2003 C228 C256 C331 C332 Cd changer Cd left (+) Cd left (-) Cd right (+) Cd right (-) Fuse 10a Fuse 30a Fuse 7.5a Fused ignition G104 (rear of left front fender) G201 (under right side of dash) G901 (right "a" pillar) Ground Hot at all times Hot in run or acc Iillumination Illulminaton Interior fuse panel (left side of vehicle, below dash) Interior lights system L front (+) L front (-) L front (_) L front sig (+) L front sig (-) L rear (+) L rear (-) L rear sig (+) L rear sig (-) Left front speaker Left rear speaker Left sig (+) Left sig (-) Logic mute Nca Power (+) Power (b+) Power distribution box (left side of engine compt) Protocal a Protocal b Protocol a Protocol b R front (+) R front (-) R front sig (+) R front sig (-) R rear (+) R rear (-) R rear sig (+) R rear sig (-) Radio Rear integrated control panel Right front speaker Right rear speaker Right sig (+) Right sig (-) S200 S231 S243 S245 S277 S278 S279 S280 S281 Shield Tan Premium Sound Radio Wiring Diagram, without CD Player for Mercury Mountaineer 1997 List of elements for Premium Sound Radio Wiring Diagram, without CD Player for Mercury Mountaineer 1997: 47 (right "a" pillar) g901 Amplifier (right rear side of vehicle) Antenna C228 C256 C332 Fuse 10a Fuse 30a Fuse 7.5a Fused ignition G104 (rear of left front fender) G901 (right "a" pillar) Ground Hot at all times Hot in run or acc Illulminaton Interior fuse panel (left side of vehicle, below dash) Interior lights system L front (+) L front (-) L front (_) L front sig (+) L front sig (-) L rear (+) L rear (-) L rear sig (+) L rear sig (-) Left front speaker Left rear speaker Logic mute Nca Power (b+) Power distribution box (left side of engine compt) R front (+) R front (-) R front sig (+) R front sig (-) R rear (+) R rear (-) R rear sig (+) R rear sig (-) Radio Right front speaker Right rear speaker S200 S245 Shield
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Mercury Mountaineer 1997 List of elements for Shift Interlock Wiring Diagram for Mercury Mountaineer 1997: 13 Brake on/ off switch (behind steering column) Connector) Exterior lights system Fuse 10 7.5a Fuse 13 15a G201 (right side of i/p) Hot at all times Hot in run Interior fuse panel (below left side of i/p) S230 S241 Shift lock actuator (in steering column) Solid state
STARTING/CHARGING Charging Wiring Diagram for Mercury Mountaineer 1997 List of elements for Charging Wiring Diagram for Mercury Mountaineer 1997: 21 4.0l only Battery Battery ground C120 C121 C122 C126 C128 C288 Charge warning lamp Fuse 7.5a Generator/ voltage regulator Hot in start or run Instru- ment cluster Interior fuse panel Mini fuse 6 15a Ohms Power distrib- ution box Red Starter motor Starter relay (left fender apron) Starting Wiring Diagram, A/T for Mercury Mountaineer 1997 List of elements for Starting Wiring Diagram, A/T for Mercury Mountaineer 1997: 39 (not used) (left side of i/p) (w/ dtr sensor) (w/ tr sensor) (w/ tr sensor) (w/ dtr sensor) Acc Anti- theft relay Battery Battery ground C112 c176 C126 C176 c112 C338 C364 Charging circuit Clutch pedal position (ccp) switch jumper (left of i/p) Digital transmission range (dtr) sensor/ transmission range (tr) sensor (left side of trans selector/ left side of trans) Fuse 10a Fuse 7.5a Ignition switch Interior fuse panel Lock Maxi fuse 14 60a Off Pnk Power antenna module (left rear of vehicle) Power distri- bution box Red Relay module (center of i/p) Remote anti-theft personality (rap) module (left rear quarter panel) Remote chassis unit (radio) Run S165 S204 Start Starter motor (left front of engine compt) Starter relay (at left front fender apron) W/ hi series console W/ rap module W/o hi series console W/o rap mod- ule Starting Wiring Diagram, M/T for Mercury Mountaineer 1997 List of elements for Starting Wiring Diagram, M/T for Mercury Mountaineer 1997: 32 (not used) (left side of i/p) Acc Anti- theft relay Battery Battery ground C126 C338 C364 Charging circuit Clutch pedal position (ccp) switch (behind left side of i/p) Fuse 10a Fuse 7.5a Ignition switch Interior fuse panel Lock Maxi fuse 14 60a Off Pnk Power antenna module (left rear of vehicle) Power distribution box Red Relay module (center of i/p) Remote anti-theft personality (rap) module (left rear quarter panel) Remote chassis unit (radio) Run S165 S204 Start Starter motor (left front of engine compt) Starter relay (at left front fender apron) W/ rap module W/o rap mod- ule
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Mercury Mountaineer 1997 List of elements for Supplemental Restraint Wiring Diagram for Mercury Mountaineer 1997: 38 (i/p harn, near relay module breakout) (i/p harn, right side of i/p) * early prod mountaineer vehicles Air bag clock- spring assembly Air bag diagnostic monitor (right side of i/p) Air bag ind Air bag indicator C232 C233 C288 Data link Data link connector (dlc) (behind left side of i/p) Driver air bag Drvr air bag Fuse 4* or 7 10a Fuse 7.5a G100 (left front of engine compt) Gnd Hot at all times Hot in run Hot in run and start Instrument cluster Interior fuse panel L crash sens Left primary crash sensor (left front of engine compartment) Nca Pass air bag Passenger air bag Power distribution box Pwr (bat) Pwr (run) R crash sens Red Right primary crash sensor (right front of engine compartment) S232 (body harn, near rear wnd def rel breakout) S239 S255 Shorting bar
TRANSMISSION
5.0L 5.0L, Transmission Wiring Diagram, 4R70W for Mercury Mountaineer 1997 List of elements for 5.0L, Transmission Wiring Diagram, 4R70W for Mercury Mountaineer 1997: 96 (100 mm from breakout to throttle position sensor) (in breakout for powertrain control module) s101 (in breakout to harness in line connector, rear of engine compt) (in breakout to harness in-line connector, rear of engine compartment) (left front of engine compartment, near radiator) g100 (left rear corner of engine compartment, at fender apron) g104 (near breakout for instrument cluster) (near breakout for instrument cluster) s206 (near breakout to fuel injector 6) (near breakout to fuel injector 6) s166 (power for heated oxygen sensors) 4r70w transmission (mounted under center of vehicle) 87a Backup lamps, rear window defrost relay Boo Brake on/off (boo) switch (behind steering column) C202 C286 C288 Case gnd Data Data link connector (dlc) (partial) (behind left side of dash) Digital transmission range sensor (left side of transmission) Dlc (+) Dlc (-) Ect Electronic pressure control (epc) solenoid Engine controls Engine coolant temperature (ect) sensor (mounted on front of engine, left of throttle body) Epc Fuse 11 15a Fuse 11 20a Fuse 13 15a Fuse 19 25a Fuse 2 30a Fuse 26 10a G100 (left front of engine compartment, near radiator) G121 (center of firewall) Horn relay Hot at all times Hot in run Hot in start or run Ignition coils, radio noise capacitor Instrument cluster Interior fuse panel Kapwr Malfunction indicator lamp (mil) (check engine) Mil N d Od off Oss Output shaft speed sensor (left rear of transmission) Pcm power diode Pcm power relay Power distribution box Powertrain control module (pcm) (mounted through firewall) Pwr gnd R p Red S105 S113 S116 S123 (135 mm from breakout to fuel pump relay) S135 S137 S146 S147 (near breakout to auxiliary box 3) S157 S162 S167 S169 S205 Shift solenoids (ss) Sig rtn Ss1 Ss2 Tan/rg Tcc Tcil Tcs Tft Throttle position (tp) sensor (attached to throttle body) Torque converter clutch (tcc) solenoid Tr1 Tr2 Tr3 Transmission control indicator lamp (tcil) Transmission control switch (tcs) Transmission fluid temperature sensor Transmission range (tr) sensor (left side of automatic transmission) Vehicle speed sensor (vss) (attached to transmission) Vpwr Vref Vss W/ dtr sensor W/ tr sensor Electronic Transfer Case Wiring Diagram for Mercury Mountaineer 1997 List of elements for Electronic Transfer Case Wiring Diagram for Mercury Mountaineer 1997: 77 (440 mm from electronic shift motor transfer case) (behind center of dash) relay module (in break out to gem) s250 (left side of automatic transmission) (near break out to instrument cluster) s248 (near break out to relay module) (near breakout for instrument cluster) s246 (near breakout to instrument cluster) s247 (near breakout to radio) (near electronic transfer case) (w/ dtr) (w/ tr) 1.1k ohms 3.9k ohms 4x4 high range ind 4x4 mode switch 87a A/t Accy delay relay Anti-lock brakes system Battery saver relay Brake on/off (boo) switch (behind steering column) C280 C282 C283 C286 Courtesy lamps (interior lights system) Digital transmission range sensor (dtr) Door locks & power seats Early production mountaineer Electronic shift motor transfer case Explorer & late production Front speed sensor Fuse 10a Fuse 13 15a Fuse 20a Fuse 28 7.5a G104 (rear of left front fender) G201 (under right side of dash) G203 (right kick panel) Generic electronic module (behind center of dash) H2l Headlamps, interior lamps & exterior lamps systems Hot at all times Hot in start Illumination lamp Instrument cluster Interior fuse panel Interior lights system (instrument illum- ination circuit) L2h M/t Magnetic clutch coil Maxi fuse 30a Memory seat module Mode Mountaineer Ohms Pnk Power distribution box Power tops & power windows systems Rear speed sensor S108 S200 S212 (near breakout to data link conn) S236 S238 S249 S251 S252 S259 Shift motor Solid state Torque on demand relay (right side of dash) Transfer case shift relay (behind center of dash) Transmission range sensor (tr) Vehicle speed sensor (on transmission) Vss out
WARNING SYSTEMS Warning System Wiring Diagrams for Mercury Mountaineer 1997 List of elements for Warning System Wiring Diagrams for Mercury Mountaineer 1997: 37 (body harn, near left rear door ajar switch breakout) Battery C280 C283 Central timer module (ctm)/ generic electronic module (gem) (behind center of i/p) Fuse 7.5a G200 (left (kick panel) G412 (rear of vehicle) Head Headlamp switch Hot at all times Interior fuse panel Key in ignition Key warning switch (inside steering column) Left front door ajar switch Left lift- gate ajar switch (left side of lift- gate) Left rear door ajar switch Lf door ajar Lift- gate wiper disable switch (in lift- gate) Liftgate input Lr door ajar Mountaineer w/ job #1 date of 4/1/96 only Off Park Park lamp relay Park/head input Relay module (behind center of i/p) Rf door ajar Right front door ajar switch Right lift- gate ajar switch (right side of lift- gate) Right rear door ajar switch Rr door ajar S235 S242 S409 Seat belt buckle Seat belt warning switch (in seat belt buckle)
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Mercury Mountaineer 1997 List of elements for Front Wiper/Washer Wiring Diagram for Mercury Mountaineer 1997: 47 (engine harn, left rear corner of engine compt) s107 (left rear corner of engine compt, at fender apron) g104 (main harn, in breakout to generic electronic s250 module) 103k ohms 11.3k 3.3k ohms 4.08k Auxiliary relay box #2 (right front of engine compt) Body comp- uter system Brake/run C210 C280 Central timer module (ctm)/ generic electronic module (gem) (behind center of i/p) Front washer pump motor relay Fuse 10a Fuse 30a G105 (right side of engine compt) Hot in acc or run Int max Int min Interior fuse panel Interval delay/wash Liftgate wiper/ washer switch Multi- function switch Off Off 47.6k ohms Ohms Park Park sense Power distri- bution box (left side of engine compt) Red Run S104 S161 S163 Signal return (gnd) Tan/ red Tan/red Washer pump Washer pump motor Washer switch Wiper hi-lo relay Wiper mode select Wiper motor Wiper run relay Wiper speed Wiper switch Rear Wiper/Washer Wiring Diagram for Mercury Mountaineer 1997 List of elements for Rear Wiper/Washer Wiring Diagram for Mercury Mountaineer 1997: 63 (near breakout to left rear door ajar switch) 103k ohms 110k ohms Auxiliary relay box #1 (right front of engine compt) Battery saver relay Body computer system C280 C281 C283 Central timer module (ctm)/generic electronic module (gem) (behind i/p, left of steering column) Disable For explorer/ mountaineer w/ vehicle job #1 date of 7/29/96 For mountaineer w/ vehicle job #1 date of 4/29/96 Front washer pump motor relay Fuse 10a G104 (left rear corner of engine compt, at fender apron) G104 (w/o lux) (left rear corner of engine compartment, at fender apron) G200 (left kick panel) G201 (w/ lux) (right side of i/p) G412 (rear of vehicle) G412 (rear of vehicle, in liftgate) Hot at all times Hot in acc or run Illumination Int max Int min Interior fuse panel Interior lights system Left liftgate ajar switch Liftgate washer pump Liftgate wiper disable switch Liftgate wiper motor Liftgate wiper/ washer switch Maxi fuse 8 30a Mini fuse 2 15a Nca Off Park sense Pnk Power distribution box (left side of engine compt) Rear wiper down relay Rear wiper mode select Rear wiper up relay Relay module (behind center of i/p) Return (gnd) Right liftgate ajar switch S129 S155 S164 S229 S238 S250 (main harness, in breakout to generic electronic module) S302 S407 S409 Tan W/ power equipment group W/ power w/ power equipment equipment group group W/o power equipment group Washer switch Wiper high Wiper low Wiper park
