POWER DISTRIBUTION – Mercury Mountaineer 2003 – SYSTEM WIRING DIAGRAMS

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Mercury Mountaineer 2003

List of elements for Power Distribution Wiring Diagram (1 of 4) for Mercury Mountaineer 2003:

• (battery cable assembly, near breakout to battery junction box)
• (diagram 3 of 4)
• (in window regulator jumper assembly, near breakout to c3134) s313
• (left side of engine compt, at fender apron) battery junction box (bjb)
• Abs control module
• Adjustable pedal switch
• Auxiliary a/c relay
• Auxiliary junction box (ajb) (on rear ``d" pillar)
• Auxiliary junction box (ajb) rear (on rear ``d" pillar)
• Battery
• Battery junction box (bjb) (left side of engine compartment, at fender apron)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Blower motor relay
• C102a
• C270c
• C281b
• C3008e
• Central junction box (cjb) (behind left side of dash)
• Central security module
• Circuit breaker 30a
• Console 1 power point
• Console 2 power point
• Daytime running lamps (drl) module
• Four-wheel drive control module
• From fuse 14 (bjb) (diagram 1 of 4)
• From fuse 6 (bjb) (diagram 1 of 4)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 50a
• Fuse 60a
• G200 (right ``a'' pillar)
• Generator
• Harness, near breakout to joint connector 1) s170
• Horn relay
• Ignition relay
• Left turn trailer tow relay
• Main light switch
• Nca
• Parking lamp trailer tow relay
• Pcm power relay
• Rear window defrost relay
• Rear wiper motor assembly
• Red
• Regulator jumper assembly, near breakout to g401) s412
• Reverse lamp trailer tow relay
• Right power seat switch
• Right turn trailer tow relay
• S142
• S143
• S216
• Starter motor
• Starter relay
• To accessory delay relay (cjb) (diagram 3 of 4)
• To fuse 10 (cjb)
• To fuse 11 (bjb) (diagram 1 of 4)
• To fuse 15 (bjb) (diagram 3 of 4)
• To fuse 16 (cjb) (diagram 4 of 4)
• To fuse 26 (bjb) (diagram 1 of 4)
• To fuse 5 (cjb) (diagram 3 of 4)
• To ignition switch (diagram 2 of 4)
• Trailer electronic brake control module
• Trailer tow battery charge relay

Power Distribution Wiring Diagram (2 of 4) for Mercury Mountaineer 2003

List of elements for Power Distribution Wiring Diagram (2 of 4) for Mercury Mountaineer 2003:

• (behind left side of dash) central junction box (cjb)
• (in main harness, near breakout to central junction box) s207
• (in main harness, near breakout to sunload sensor) s261
• (left side of engine compt, at fender apron) battery junction box (bjb)
• Abs control module
• Acc
• Audio unit
• Brake pressure switch
• Brake shift interlock
• Breakout to right wheel speed sensor) s129
• C220a
• C220b
• C240b
• C270a
• C270b
• C270d
• C270e
• C270f
• C270g
• C270h
• C310a
• Connector 1) s113
• Digital digital transmission transmission range (dtr) sensor
• Electronic compass
• Electronic vaccum regulator (evr) solenoid valve
• Evaporative emission (evap) canister vent valve
• From fuse 23 (bjb) (diagram 1 of 4)
• From s207 (diagram 2 of 4)
• Fuel charge harness, near breakout to heated oxygen sensor) s103
• Fuse 10a
• Fuse 15a
• Fuse 2a
• Fuse 5a
• Heated oxygen sensor 11 (ho2s)
• Heated oxygen sensor 12 (ho2s)
• Heated oxygen sensor 21 (ho2s)
• Heated oxygen sensor 22 (ho2s)
• Ignition relay
• Ignition switch
• Indicator flasher relay
• Instrument cluster
• Joint connector 2
• Key in ignition switch
• Key removal inhibit solenoid
• Low tire pressure module
• Micro- processor
• Nca
• Near breakout to digital transmission range sensor) s100
• Off
• Pcm power diode
• Pcm power relay
• Rear wiper motor assembly
• Red
• Restraints control module
• Run
• Start
• To fuse 25 (cjb) (diagram 4 of 4)
• To s113 (diagram 2 of 4)
• Vapor management valve
• Windshield wiper motor

Power Distribution Wiring Diagram (3 of 4) for Mercury Mountaineer 2003

List of elements for Power Distribution Wiring Diagram (3 of 4) for Mercury Mountaineer 2003:

• (behind left side of dash) central junction box (cjb)
• (in main harness, near breakout to central junction box) s205
• (in main harness, near breakout to central junction box) s232
• (left side of engine compartment, at fender apron) battery junction box (bjb)
• (w/ dual zone)
• (w/ dvd player)
• A/c clutch relay
• Accessory delay relay
• Audio unit
• Auxiliary junction box (ajb) (underhood) (w/ drl)
• Battery junction box (bjb) (left side of engine compartment, at fender apron)
• Brake pedal position switch
• Brake pedal relay (except police)
• C175a
• C202c
• C205a
• C220a
• C228b
• C240b
• C270a
• C270b
• C270c
• C270d
• C270g
• C270h
• C3008e
• C341e
• Central junction box (cjb) (behind left side of dash)
• Central security module
• Driver heated seat module
• Driver seat module
• Dvd player
• Electronic automatic temperature control (eatc) module
• From circuit breaker 47 (bjb) (diagram 1 of 4)
• From fuse 1 (bjb) (diagram 1 of 4)
• From fuse 23 (bjb) (diagram 1 of 4)
• From fuse 24 (cjb) (diagram 4 of 4)
• From ignition relay (bjb) (diagram 1 of 4)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• High beam relay
• Indicator flasher relay
• Instrument cluster
• Joint connector 1
• Left power seat switch
• Main light switch
• Multi-function switch
• Nca
• Passenger heated seat module
• Powertrain control module (pcm)
• Rear window defrost relay
• Red
• Redundant pedal switch (except police)
• Roof opening panel motor assembly
• Stop lamp isolation relay
• Stop lamp isolation relay (w/o drl)
• Subwoofer amplifier
• Temperature blend door actuator
• To fuse 12 (cjb) (diagram 4 of 4)
• W/ memory
• W/o memory
• Windshield wiper motor

Power Distribution Wiring Diagram (4 of 4) for Mercury Mountaineer 2003

List of elements for Power Distribution Wiring Diagram (4 of 4) for Mercury Mountaineer 2003:

• (behind left side of dash) central junction box (cjb)
• (in main harness, near breakout to c2126) s263
• (in main harness, near breakout to central junction box) s247
• (in rear axle shifter motor control switch extension harness, in breakout to traction control switch) s264
• (near breakout to restraints control module)
• Accessory delay relay
• Auto-dimming interior mirror unit
• Auxiliary a/c relay
• Battery saver relay
• Brake shift interlock
• C228b
• C270a
• C270b
• C270c
• C270d
• C270e
• C270f
• C270g
• C270h
• C294a
• C294b
• C3008e
• C341g
• C938a
• Central security module
• Data link connector (dlc)
• Daytime running lamps (drl) module
• Digital transmission range (dtr) sensor
• Driver seat module
• Driver side seat heater switch (late build)
• Eatc
• Electronic automatic temperature control (eatc) module
• Exterior rear view mirror switch
• Four- wheel drive switch
• From fuse 10 (cjb) (diagram 3 of 4)
• From fuse 17 (cjb) (diagram 4 of 4)
• From fuse 22 (cjb) (diagram 2 of 4)
• From fuse 26 (cjb) (diagram 4 of 4)
• From fuse 29 (bjb) (diagram 1 of 4)
• Front cigar lighter
• Fuel tank unit
• Function selector switch assembly
• Fuse 15a
• Fuse 20a
• Fuse 5a
• Fuse 7.5a
• G200 (right ``a" pillar)
• Left power seat switch
• Low tire pressure module
• Manual a/c
• Nca
• Neutral tow indicator
• Parking aid module (pam)
• Passenger side seat heater switch (late build)
• Passive anti-theft transceiver
• Puddle lamp relay
• Rear a/c control module
• Rear auxiliary junction box (ajb) (on rear ``d" pillar)
• Red
• S216
• S316
• Sunload sensor
• Temperature blend door actuator
• To fuse 20 (cjb) (diagram 4 of 4)
• To fuse 23 (cjb) (diagram 3 of 4)
• To fuse 27 (cjb) (diagram 4 of 4)
• Traction control switch
• Trailer tow relay battery
• Transmission control switch