All Wiring Diagrams for Ford Explorer 2003

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Ford Explorer 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Ford Explorer 2003:

• (1: microprocessor)
• (2: pats indicator)
• (air conditioning harness, near breakout to temperature blend door actuator)
• (in main harness, near breakout to sunload sensor) s219
• (near breakout to central junction box)
• A/c clutch relay (in battery junction box)
• A/c indicator diode (in battery junction box)
• Ambient air temperature sensor (right front of engine compt, near radiator support)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Blower motor relay
• C220a
• C228a
• C228b
• C270b
• C270e
• C270h
• C3008e
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Computer data lines system
• Driver temperature blend door actuator
• Electronic automatic temperature control (eatc) module (under left dash panel)
• Exterior lights system
• Front blower motor (behind center of dash)
• Front blower motor speed controller (behind center of dash)
• Fuse 10 10a
• Fuse 15 15a
• Fuse 20 5a
• Fuse 30 5a
• Fuse 36 40a
• Fuse 37 15a
• Fuse 7 15a
• G101 (left front of engine compartment)
• G200 (at right ``a" pillar)
• G206 (behind center of dash)
• G300 (at left ``a" pillar)
• Hot at all times
• Hot in run and start
• Hot in start or run
• In-vehicle temperature sensor (behind top left of dash)
• Instrument cluster
• Interior lights system
• J/c 1
• J/c 2 (in battery junction box)
• Micropro- cessor
• Passenger temperature blend door actuator
• Remote solenoid assembly (behind center of dash)
• S232
• S233 (in main harness, near breakout to data link connector)
• S242
• S243
• S247 (in main harness, near breakout to central junction box)
• S317 (in window regulator jumper assembly, near breakout to left rear speaker)
• Seats system
• Sunload sensor (at center of dash)
• Tan

Automatic A/C Wiring Diagram (2 of 2) for Ford Explorer 2003

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Ford Explorer 2003:

• (at breakout to roof opening panel switch)
• (in air conditioning harness, near breakout to c3007) s341
• (in interior illumination harness, at breakout to c340) s908
• A/c clutch cycling pressure switch (right side of engine compartment)
• A/c clutch solenoid (at left side of engine)
• A/c high pressure switch (left front of engine compt)
• Air bag sliding contact
• Audio/ climate control switch
• Aux blower motor control
• Auxiliary a/c relay (behind left side of rear seats)
• Auxiliary blower motor (left side of cargo area)
• Auxiliary blower motor resistor assembly (in left rear cargo area)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Blower motor high
• Blower motor resistor high
• C175a
• C218a
• C270a
• C938a
• C938b
• C940a
• C940b
• Central junction box (cjb) (behind left side of dash)
• Cruise control system
• Engine harness, near breakout to a/c clutch cycling pressure switch)
• Fan dn
• Fan up
• Fuse 25 5a
• Fuse 33 30a
• G101 (left front of engine compartment)
• G104 (right rear of engine compt)
• G400 (left rear of vehicle)
• G401 (at right ``d" pillar)
• Ground
• Harness, at breakout to c340)
• Hot at all times
• Hot in start or run
• Illumination
• Instrument illumination input
• Interior lights system
• Nca
• Powertrain control module (pcm) (at right side engine bulkhead)
• Rear a/c control module (front) (in roof panel)
• Rear a/c control module (rear) (in roof panel)
• Rear a/c front to rear a/c rear
• Rear blower to aux a/c module
• Rear mode door actuator (left side, behind rear seats)
• Rear mode door actuator feed
• Rear mode door actuator return
• S326
• S341 (in air conditioning harness, near breakout to c3007)
• S903 (near breakout to c340)
• S906 (in interior illumination harness, at breakout to c340)
• S907 (at breakout to c340)
• S910
• Tan
• Temp blend door actuator return
• Temp dn
• Temp up
• Temperature blend door actuator (below left rear cargo area window)
• Voltage (start and run)

Manual A/C Wiring Diagram, with Sliding Roof (1 of 2) for Ford Explorer 2003

List of elements for Manual A/C Wiring Diagram, with Sliding Roof (1 of 2) for Ford Explorer 2003:

• (in main harness, near breakout to central junction box) s249
• (in main harness, near breakout to function selector switch assembly)
• (left front of engine compartment)
• (near breakout to sunload
• (near breakout to temperature blend door actuator)
• 87a
• A/c clutch cycling pressure switch (right side of engine compartment)
• A/c clutch relay
• A/c clutch solenoid (at left side of engine)
• A/c demand signal
• A/c high pressure switch (left front of engine compt)
• A/c indicator diode
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Blend dr output
• Blower motor relay
• Blower motor switch
• Blower motor to blower switch
• C175a
• C220a
• C270a
• C270b
• C270e
• C270h
• C294a
• C294b
• C294c
• Central junction box (cjb) (behind left side of dash)
• Def
• Except base
• Exterior lights input
• Exterior lights system
• Floor
• Floor/vent
• Front blower motor (behind center of dash)
• Front blower motor resistor assembly (behind center of dash)
• Function selector switch assembly
• Fuse 10 10a
• Fuse 16 5a
• Fuse 30 5a
• Fuse 36 40a
• Fuse 37 15a
• Fuse 7 15a
• G101
• G101 (left front of engine compartment)
• G104 (right rear of engine compt)
• G200 (at right ``a" pillar)
• G206 (behind center of dash)
• G300 (at left ``a" pillar)
• Ground
• Ground c294b
• High
• High speed fan control relay (behind center of dash)
• Hot at all times
• Hot in start or run
• Illlumination
• Instrument cluster
• Interior lights system
• J/c 2
• Low
• Max
• Med 1
• Med 2
• Medium
• Micropro- cessor
• Mix
• Mode switch
• Off
• Powertrain control module (pcm) (at right side engine bulkhead)
• Rear window defrost sw
• S216
• S219 (in main harness, near breakout to sunload sensor)
• S222
• S240 (air conditioning harness, near breakout to temperature blend door actuator)
• S241
• S317 (in window regulator jumper assembly, near breakout to left rear speaker)
• Sensor)
• Temperature blend door actuator (below left rear cargo area window)
• Vent
• Vpwr

Manual A/C Wiring Diagram, with Sliding Roof (2 of 2) for Ford Explorer 2003

List of elements for Manual A/C Wiring Diagram, with Sliding Roof (2 of 2) for Ford Explorer 2003:

• (in air conditioning harness, near breakout to c3007) s339
• (in air conditioning harness, near breakout to c3007) s341
• (in interior illumination harness, near breakout to c340)
• Aux blower to aux a/c module
• Auxiliary a/c relay (behind left side of rear seats)
• Auxiliary blower motor (left side of cargo area)
• Auxiliary blower motor resistor assembly (in left rear cargo area)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C270a
• C938a
• C938b
• C940a
• Central junction box (cjb) (behind left side of dash)
• Fuse 25 5a
• Fuse 33 30a
• G400 (left rear of vehicle)
• G401 (at right ``d" pillar)
• Ground
• Hot at all times
• Hot in start or run
• Illumination
• Instrument illumination input
• Interior lights system
• Rear a/c control module (front) (in roof panel)
• Rear a/c control module (rear) (in roof panel)
• Rear a/c front to rear a/c rear
• Rear blower to aux a/c module
• Rear mode door actuator (left side, behind rear seats)
• Rear mode door actuator feed
• Rear mode door actuator return
• S341 (in air conditioning harness, near breakout to c3007)
• S903
• S908 (in interior illumination harness, at breakout to c340)
• Temp blend door actuator return
• Temperature blend door actuator (below left rear cargo area window)
• Voltage (start and run)

Manual A/C Wiring Diagram, without Sliding Roof (1 of 2) for Ford Explorer 2003

List of elements for Manual A/C Wiring Diagram, without Sliding Roof (1 of 2) for Ford Explorer 2003:

• (in main harness, near breakout to central junction box) s249
• (in main harness, near breakout to function selector switch assembly)
• (left front of engine compartment)
• (near breakout to sunload
• (near breakout to temperature blend door actuator)
• 87a
• A/c clutch cycling pressure switch (right side of engine compartment)
• A/c clutch relay
• A/c clutch solenoid (at left side of engine)
• A/c demand signal
• A/c high pressure switch (left front of engine compt)
• A/c indicator diode
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Blend dr output
• Blower motor relay
• Blower motor switch
• Blower motor to blower switch
• C175a
• C220a
• C270a
• C270b
• C270e
• C270h
• C294a
• C294b
• C294c
• Central junction box (cjb) (behind left side of dash)
• Def
• Except base
• Exterior lights input
• Exterior lights system
• Floor
• Floor/vent
• Front blower motor (behind center of dash)
• Front blower motor resistor assembly (behind center of dash)
• Function selector switch assembly
• Fuse 10 10a
• Fuse 16 5a
• Fuse 30 5a
• Fuse 36 40a
• Fuse 37 15a
• Fuse 7 15a
• G101
• G101 (left front of engine compartment)
• G104 (right rear of engine compt)
• G200 (at right ``a" pillar)
• G206 (behind center of dash)
• G300 (at left ``a" pillar)
• Ground
• Ground c294b
• High
• High speed fan control relay (behind center of dash)
• Hot at all times
• Hot in start or run
• Illlumination
• Instrument cluster
• Interior lights system
• J/c 2
• Low
• Max
• Med 1
• Med 2
• Medium
• Micropro- cessor
• Mix
• Mode switch
• Off
• Powertrain control module (pcm) (at right side engine bulkhead)
• Rear window defrost sw
• S216
• S219 (in main harness, near breakout to sunload sensor)
• S222
• S240 (air conditioning harness, near breakout to temperature blend door actuator)
• S241
• S317 (in window regulator jumper assembly, near breakout to left rear speaker)
• Sensor)
• Temperature blend door actuator (below left rear cargo area window)
• Vent
• Vpwr

Manual A/C Wiring Diagram, without Sliding Roof (2 of 2) for Ford Explorer 2003

List of elements for Manual A/C Wiring Diagram, without Sliding Roof (2 of 2) for Ford Explorer 2003:

• (in air conditioning harness, near breakout to c3007) s341
• (in interior illumination harness, at breakout to c340)
• (in interior illumination harness, at breakout to c340) s907
• (in interior illumination harness, near breakout to c340)
• (in pia harness, at breakout to roof opening panel switch) s910
• (left rear of vehicle)
• Auxiliary a/c relay (behind left side of rear seats)
• Auxiliary blower motor (left side of cargo area)
• Auxiliary blower motor resistor assembly (in left rear cargo area)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Blower motor high
• Blower motor relay control
• Blower motor resistor high
• C270a
• C938a
• C938b
• C940a
• C940b
• Central junction box (cjb) (behind left side of dash)
• Fuse 25 5a
• Fuse 33 30a
• G400
• G400 (left rear of vehicle)
• G401 (right ``d" pillar)
• Ground
• Hot at all times
• Hot in start or run
• Illumination
• Instrument illumination input
• Interior lights system
• Rear a/c control module (front) (in roof panel)
• Rear a/c control module (rear) (in roof panel)
• Rear a/c front to rear a/c rear
• Rear blower to aux a/c module
• Rear mode door actuator (left side, behind rear seats)
• Rear mode door actuator feed
• Rear mode door actuator return
• S326
• S339 (in air conditioning harness, near breakout to c3007)
• S341 (in air conditioning harness, near breakout to c3007)
• S903
• S906
• S908 (in interior illumination harness, at breakout to c340)
• Temp blend door actuator return
• Temperature blend door actuator (below left rear cargo area window)
• Voltage (start and run)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, with IVD for Ford Explorer 2003

List of elements for Anti-lock Brakes Wiring Diagram, with IVD for Ford Explorer 2003:

• (in dash panel to
• (left front of engine compt) g101
• Abs control module (left front side of engine compt)
• Abs test connector (at left side of engine compartment)
• Battery junction box (bjb) (left side of engine compartment, at fender apron)
• Brake booster sensor (on front of brake booster)
• Brake fluid level switch (mounted on right side of master cylinder)
• Brake pedal position switch (above brake pedal)
• Breakout to left horn)
• C175a
• C270a
• C270b
• C270d
• C270h
• C281b
• Central junction box (cjb) (behind left side of dash)
• Computer data lines system
• Engine harness, near
• Exterior lights system
• Four-wheel drive control module (under passenger dash panel)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 40a
• Fuse 7.5a
• G101 (left front of engine compt)
• Gnd
• Hot at all times
• Hot in start or run
• Interior lights system
• Left front wheel speed sensor
• Left rear wheel speed sensor
• Powetrain control module (pcm) (at right side engine bulkhead)
• Primary brake pressure sensor (on master cylinder)
• Red
• Red/ pnk
• Red/pnk
• Redundant pedal switch (under left side dash panel)
• Right front wheel speed sensor
• Right rear wheel speed sensor
• S120 (near breakout to left horn)
• S127 (near breakout to a/c clutch cycling pressure switch)
• S171
• S175
• S176
• S179 (in dash panel to engine harness, near breakout to windshield wiper motor)
• S264
• Secondary brake pressure sensor (on brake booster)
• Steering position sensor
• Tan
• Traction control switch
• Vbatt
• Vpwr
• Yaw velocity sensor (below center console)

Anti-lock Brakes Wiring Diagram, without IVD for Ford Explorer 2003

List of elements for Anti-lock Brakes Wiring Diagram, without IVD for Ford Explorer 2003:

• (near breakout to windshield wiper motor) s120
• Abs control module (left front side of engine compt)
• Abs test connector (at left side of engine compartment)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Brake fluid level switch (mounted on right side of master cylinder)
• Brake pedal position switch (above brake pedal)
• Brake pressure switch mounted on master cylinder)
• C270b
• C270d
• C281b
• Central junction box (cjb) (behind left side of dash)
• Computer data lines system
• Four-wheel drive control module (under passenger dash panel)
• Fuse 10a
• Fuse 15a
• Fuse 2a
• Fuse 30a
• Fuse 40a
• G101 (left front of engine compt)
• Gnd
• Hot at all times
• Hot in start or run
• Left front wheel speed sensor
• Rear axle speed sensor (on rear differential)
• Right front wheel speed sensor
• S127 (in dash panel to engine harness, near breakout to a/c clutch cycling pressure switch)
• Scp+
• Scp-
• Vbatt
• Vpwr

ANTI-THEFT

Forced Entry Wiring Diagram for Ford Explorer 2003

List of elements for Forced Entry Wiring Diagram for Ford Explorer 2003:

• (at right ``d" pillar)
• (in window regulator jumper assembly, near breakout to parking brake switch)
• (in window regulator jumper assembly, near breakout to passenger 1 side impact sensor)
• (not used)
• +/-
• 1/2
• 3/4
• 5/6
• 7/8
• 9/0
• Anti- theft hood switch (right front of engine compt, on fender)
• Anti- theft inhibit switch (in driver door, near latch assembly)
• Autolmp sig
• Battery junction
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Box (bjb) (left side of engine compt, at fender apron)
• C220b
• C270a
• C270d
• C270e
• C3008d
• C3008e
• C3008f
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Data link connector (behind left side of dash)
• Door ajar sw
• Door locks system
• Driver side rear door ajar switch
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 5a
• G101 (left front of engine compt)
• G103 (right front of engine compt)
• G400 (left rear of vehicle)
• G401
• G401 (at right ``d" pillar)
• Glass release
• Gnd
• Headlights system
• Horn relay
• Horn relay pwr
• Hot at all times
• Instrument cluster
• Joint connector
• Key pad switch assembly
• Lamp pwr
• Left front door ajar switch
• Left horn
• Liftgate ajar
• Liftgate ajar switch (lower center of liftgate)
• Liftgate glass ajar switch (in center of tailgate)
• Passen- ger side rear door ajar switch
• Pnk
• Power windows system
• Pwr
• Rear auxiliary junction box (ajb) (on rear ``d" pillar)
• Red
• Right front door ajar switch
• Right horn
• S170
• S205
• S246 (in main harness, near breakout to c238)
• S259
• S320
• S328
• S407
• S502
• S503
• S602
• Sig rtn
• Sw input
• Tan
• Ubp
• Vbatt
• Vbatt autolmp relay

Passive Anti-theft Wiring Diagram for Ford Explorer 2003

List of elements for Passive Anti-theft Wiring Diagram for Ford Explorer 2003:

• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C175a
• C270d
• C270e
• Central junction box (cjb) (behind left side of dash)
• Fuse 5a
• G200 (at right ``a" pillar)
• G300 (at left ``a" pillar)
• Gnd
• Hot at all times
• Hot in start or run
• Ind ctrl
• Passive anti-theft transceiver (on steering column)
• Pats indicator
• Powertrain control module (at right side engine bulkhead)
• Rly ctrl
• S219
• S229
• Starter relay
• Sunload sensor (at center of dash)
• Vpwr

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Ford Explorer 2003

List of elements for Computer Data Lines Wiring Diagram for Ford Explorer 2003:

• (at left side of engine compt)
• (in dash panel to engine harness, near breakout to c126)
• (left front of engine compt)
• (near breakout to audio unit) s228
• (near breakout to c238) s246
• (near breakout to passenger 1 side impact sensor) s351
• Abs control module (left front side of engine compartment)
• Abs test connector
• C175a
• C220b
• C228b
• C270f
• C281b
• C3008f
• C310a
• C341g
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Data link connector (behind left side of dash)
• Driver seat module (in driver's seat)
• Electronic automatic temperature control module (under left dash panel)
• Four-wheel drive control module (under passenger dash panel)
• Fuse 24 15a
• G100
• G200 (at right "a" pillar)
• Hot at all times
• Instrument cluster
• Low tire pressure module (under passenger dash panel)
• Module (at right "d" pillar)
• Parking aid
• Powertrain control module (at right side engine bulkhead)
• Restraints control module (below center console)
• S177
• S178
• S210 (near breakout to central junction box)
• S211 (near breakout to central junction box)
• S223
• S263

CRUISE CONTROL

Cruise Control Wiring Diagram, with IVD for Ford Explorer 2003

List of elements for Cruise Control Wiring Diagram, with IVD for Ford Explorer 2003:

• (dtr) sensor
• Air bag sliding contact
• Air conditioning system
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Brake press sw in
• C175a
• C175b
• C218a
• C220a
• C220b
• C270h
• Cancel
• Central junction box (cjb) (behind left side of dash)
• Computer data lines system
• Cruise ctrl set ind
• Digital transmission range (dtr) sensor (lower left side of automatic transmission)
• Fuse 15a
• Fuse 5a
• Horn switch
• Horns system
• Hot at all times
• Hot in start or run
• Instrument cluster
• Interior lights system
• Microprocessor
• Nca
• P r
• Power
• Powertrain control module (pcm) (at right side engine bulkhead)
• Redundant pedal switch (under left side dash panel)
• Res
• S101 (near breakout to powertrain control module)
• S127 (in dash panel to engine harness, near breakout to a/c clutch cycling pressure switch)
• S130
• S171
• S232 (near breakout to central junction box)
• Scp bus+
• Scp bus-
• Set+
• Set-
• Signal return
• Speed control actuator (right front of engine compartment, on fender)
• Speed control switch
• Speed ctrl indicator
• Speed ctrl sw gnd
• Speed ctrl sw in
• Speed ctrl sw rtn

Cruise Control Wiring Diagram, without IVD for Ford Explorer 2003

List of elements for Cruise Control Wiring Diagram, without IVD for Ford Explorer 2003:

• (dtr) sensor
• Abs control module (left front side of engine compartment)
• Air bag sliding contact
• Air conditioning system
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Brake press sw in
• Brake pressure switch (mounted on master cylinder)
• C175a
• C175b
• C218a
• C220a
• C220b
• Cancel
• Central junction box (cjb) (behind left side of dash)
• Computer data lines system
• Cruise ctrl set ind
• Digital transmission range (dtr) sensor (lower left side of automatic transmission)
• Fuse 15a
• Fuse 2a
• Horn switch
• Horns system
• Hot at all times
• Hot in run or start
• Instrument cluster
• Interior lights system
• Microprocessor
• Nca
• Power
• Powertrain control module (pcm) (at right side engine bulkhead)
• Res
• S101 (near breakout to powertrain control module)
• S127 (in dash panel to engine harness, near breakout to a/c clutch cycling pressure switch)
• S130
• S232
• Scp bus+
• Scp bus-
• Set+
• Set-
• Signal return
• Speed control actuator (right front of engine compartment, on fender)
• Speed control switch
• Speed ctrl indicator
• Speed ctrl sw gnd
• Speed ctrl sw in
• Speed ctrl sw rtn

DEFOGGERS

Defoggers Wiring Diagram for Ford Explorer 2003

List of elements for Defoggers Wiring Diagram for Ford Explorer 2003:

• (near breakout to left rear speaker) s317
• (right "a" pillar) g200
• Auto a/c
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C220a
• C228a
• C270a
• C270c
• C270e
• C294b
• C402a
• C402b
• Central junction box (cjb) (behind left side of dash)
• Electronic automatic temperature control (eatc) module (under left dash panel)
• Function selector switch assembly
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G401 (at right "d" pillar)
• G403 (left rear of vehicle)
• Hot at all times
• Hot in start or run
• Instrument cluster
• Left exterior rear view mirror
• Manual a/c
• Micro-
• Micro- processor
• Processor
• Rear window defrost grid
• Rear window defrost relay
• Right exterior rear view mirror
• S415
• S502
• S602

ENGINE PERFORMANCE

4.0L

4.0L, Engine Performance Wiring Diagram (1 of 4) for Ford Explorer 2003

List of elements for 4.0L, Engine Performance Wiring Diagram (1 of 4) for Ford Explorer 2003:

• (near breakout to c126)
• (near breakout to left horn) s168
• (near breakout to powertrain control module)
• 4wd
• A/c rly
• A/c sw
• A/c system
• Ac demand
• Anti-theft system
• Audio unit
• Battery
• Battery junction box (left side of engine compt)
• Brake in
• Brake pressure switch (mounted on master cylinder)
• C1117
• C175a
• C240a
• Can vent
• Charging system
• Cruise control system
• Cruise set
• Data link connector (behind left side of dash)
• Evap pu
• Evaporative emission (evap) canister vent valve (right center of vehicle)
• F pmp pwr
• Fuse 15a
• Fuse 2a
• Fuse 40a
• G101 (left front of engine compt)
• G103 (right front of engine compt)
• G104 (right rear of engine compt)
• G105 (right rear of engine compt)
• Ground
• Hot at all times
• Hot in run or start
• Iat in
• Ign
• Ind ctrl
• Ind input
• J/c 1
• J/c 2
• Maf out
• Mass airflow (maf) sensor (right front of engine compartment)
• Od off
• Passive anti-theft transceiver (on steering column)
• Pcm power diode
• Pcm power relay
• Pgm sig
• Powertrain control module (at right side engine bulkhead)
• Pres sw
• Red/pnk
• Return
• Rly ctrl
• Rx sig
• S127 (near breakout to a/c clutch cycling pressure switch)
• S129
• S130
• S131
• S132
• Scp bus +
• Scp bus -
• Sens rtn
• Spd ctrl
• Spd sw
• St mtr
• Starting system
• Tank press
• Transmission control system
• Tx sig
• V ref
• Vapor manage- ment valve (left rear of engine compt)
• Vss
• Windshield wiper motor (left side of engine compt)

4.0L, Engine Performance Wiring Diagram (2 of 4) for Ford Explorer 2003

List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 4) for Ford Explorer 2003:

• (above brake pedal) brake pedal position switch
• (near breakout to powertrain control module)
• (near breakout to windshield washer motor)
• (on lower left of a/t) transmission solenoid body assembly
• C175b
• C270d
• Central junction box (behind left side of dash)
• Epc sol
• Fuse 15a
• H2os 12 htr
• H2os 12 in
• H2os 22 htr
• H2os 22 in
• Hot at all times
• Intermediate shaft speed (iss) sensor (top left side of trans)
• Iss
• J/c 2 (in battery junction box)
• Oss
• Output shaft speed sensor (left rear of trans) (a/t) (top right of trans) (m/t)
• Pcs b
• Pcs c
• Powertrain control module (at right side engine bulkhead)
• Press ctrl sol a
• Press ctrl sol b
• Press ctrl sol c
• Red/pnk
• S101
• S120
• Shift sol a
• Shift sol b
• Shift sol c
• Shift sol d
• Sig rtn
• Ss a
• Ss b
• Ss c
• Ss d
• Tcc sol
• Tft
• Tr1
• Tr2
• Tr3a
• Tr4
• Transmission control switch
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed (tss) sensor (a/t) (top left of trans)

4.0L, Engine Performance Wiring Diagram (3 of 4) for Ford Explorer 2003

List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 4) for Ford Explorer 2003:

• (early prod: near breakout to junction box late prod: near breakout to c2095) s208
• (lower left side of transmission) digital transmission range sensor
• (near breakout to digital transmission range sensor) s100
• (near breakout to powertrain control module)
• (not used)
• (right "d" pillar) g401
• Battery junction box (left side of engine compt)
• C270a
• Central junction box (behind left side of dash) c270f
• Except flex fuel
• Flex fuel
• Fuel pump relay
• Fuel pump/ fuel gauge sender
• Fuel tank assembly
• Fuel tank pressure sensor
• Fuel tank pressure transducer sensor
• Fuse 15a
• Fuse 5a
• Heated oxygen sensor (ho2s) 11 (on exhaust, pipe of engine)
• Heated oxygen sensor (ho2s) 12 (on exhaust, pipe of engine)
• Heated oxygen sensor (ho2s) 21 (on exhaust, pipe of engine)
• Heated oxygen sensor (ho2s) 22 (on exhaust, pipe of engine)
• Hot at all times
• Hot in run or start
• Inertia fuel shutoff switch (base of right "a" pillar)
• J/c 1 (in battery junction box)
• N r
• Nca
• Red/pnk
• S102
• S103 (near breakout to heated oxygen sensor)

4.0L, Engine Performance Wiring Diagram (4 of 4) for Ford Explorer 2003

List of elements for 4.0L, Engine Performance Wiring Diagram (4 of 4) for Ford Explorer 2003:

• (front of engine) ignition coil
• (in left rear of engine compt) ignition transformer capacitor
• (near breakout to heated oxygen sensor) s104
• (near breakout to ignition coil) s134
• (on top rear of engine)
• C175c
• C220b
• Camshaft position sensor (top front of left cyl head)
• Ckp sens +
• Ckp sens -
• Cmp sens
• Crankshaft position sensor (left front of engine)
• Dfpe sens
• Differential pressure feedback egr (dfpe) sensor (top of throttle body)
• Ect input
• Electronic vacuum regulator (evr) solenoid valve (on rear of right cyl head)
• Engine coolant temperature (ect) sensor (top right of engine)
• Evr ctrl
• Fuel gauge
• Fuel injectors
• G105 (right rear side of engine compt)
• Ho2s 11
• Ho2s 11 htr
• Ho2s 21
• Ho2s 21 htr
• Iac ctrl
• Idle air control valve (top of throttle body)
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Instrument cluster
• Knock sensor
• Ks 1
• Micro- processor
• Nca
• Pcm to coil
• Pcm to t1
• Powertrain control module (at right side engine bulkhead)
• Return
• S105 (near breakout to differential pressure feedback egr sensor)
• S106
• Tan
• Throttle position (tps) sensor (top of throttle body)
• Tps
• V ref

4.6L

4.6L, Engine Performance Wiring Diagram (1 of 4) for Ford Explorer 2003

List of elements for 4.6L, Engine Performance Wiring Diagram (1 of 4) for Ford Explorer 2003:

• (near breakout to c126)
• (near breakout to left horn) s168
• (near breakout to powertrain control module)
• 4wd
• A/c rly
• A/c sw
• A/c system
• Ac demand
• Anti-theft system
• Audio unit
• Battery
• Battery junction box (left side of engine compt)
• Brake in
• Brake pressure switch (mounted on master cylinder)
• C117
• C175a
• C240a
• Can vent
• Charging system
• Cruise control system
• Cruise set
• Data link connector (behind left side of dash)
• Evap pu
• Evaporative emission (evap) canister vent valve (right center of vehicle)
• F pmp pwr
• Fuse 15a
• Fuse 2a
• Fuse 40a
• G101 (left front of engine compt)
• G103 (right front of engine compt)
• G104 (right rear of engine compt)
• G105 (right rear of engine compt)
• Ground
• Hot at all times
• Hot in run or start
• Iat in
• Ign
• Ind ctrl
• Ind input
• J/c 1
• J/c 2
• Maf out
• Mass airflow (maf) sensor (right front of engine compartment)
• Od off
• Passive anti-theft transceiver (on steering column)
• Pcm power diode
• Pcm power relay
• Pgm sig
• Powertrain control module (at right side engine bulkhead)
• Pres sw
• Red/pnk
• Return
• Rly ctrl
• Rx sig
• S127 (near breakout to a/c clutch cycling pressure switch)
• S129
• S130
• S131
• S132
• S177
• S178
• Scp bus +
• Scp bus -
• Sens rtn
• Spd ctrl
• Spd sw
• St mtr
• Starting system
• Tank press
• Transmission control system
• Tx sig
• V ref
• Vapor manage- ment valve (left rear of engine compt)
• Vss
• W/ ivd
• W/o ivd
• Windshield wiper motor (left side of engine compt)

4.6L, Engine Performance Wiring Diagram (2 of 4) for Ford Explorer 2003

List of elements for 4.6L, Engine Performance Wiring Diagram (2 of 4) for Ford Explorer 2003:

• (above brake pedal) brake pedal position switch
• (near breakout to powertrain control module) s101
• (on lower left of a/t) transmission solenoid body assembly
• Abs control module (left front of engine compt)
• C175b
• C270d
• Central junction box (behind left side of dash) c270h
• Epc sol
• Fuse 15a
• H2os 12 htr
• H2os 12 in
• H2os 22 htr
• H2os 22 in
• Hot at all times
• Intermediate shaft speed (iss) sensor (top left side of trans)
• Iss
• J/c 2 (in battery junction box)
• Oss
• Output shaft speed sensor (left rear of trans) (a/t) (top right of trans) (m/t)
• Pcs b
• Pcs c
• Powertrain control module (at right side engine bulkhead)
• Press ctrl sol a
• Press ctrl sol b
• Press ctrl sol c
• Red/pnk
• Redundant pedal switch (under left side of dash)
• S120 (w/ ivd: near breakout to left horn w/o ivd near breakout to windshield washer motor)
• S171
• Shift sol a
• Shift sol b
• Shift sol c
• Shift sol d
• Sig rtn
• Ss a
• Ss b
• Ss c
• Ss d
• Tcc sol
• Tft
• Tr1
• Tr2
• Tr3a
• Tr4
• Transmission control switch
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed (tss) sensor (a/t) (top left of trans)
• W/ ivd
• W/o ivd

4.6L, Engine Performance Wiring Diagram (3 of 4) for Ford Explorer 2003

List of elements for 4.6L, Engine Performance Wiring Diagram (3 of 4) for Ford Explorer 2003:

• (early prod: near breakout to junction box late prod: near breakout to c2095)
• (lower left side of transmission) digital transmission range sensor
• (near breakout to powertrain control module)
• (right "d" pillar) g401
• Battery junction box (left side of engine compt)
• C220b
• C270f
• Central junction box (behind left side of dash)
• Fuel guage
• Fuel pump relay
• Fuel pump/ fuel gauge sender
• Fuel tank assembly
• Fuel tank pressure sensor
• Fuse 15a
• Fuse 5a
• Heated oxygen sensor (ho2s) 11 (on exhaust pipe of engine)
• Heated oxygen sensor (ho2s) 12 (on exhaust pipe of engine)
• Heated oxygen sensor (ho2s) 21 (on exhaust pipe of engine)
• Heated oxygen sensor (ho2s) 22 (on exhaust pipe of engine)
• Hot at all times
• Hot in run or start
• Inertia fuel shutoff switch (base of right "a" pillar)
• Instrument cluster
• J/c 1 (in battery junction box)
• Microprocessor
• N r
• Nca
• Red/pnk
• S100 (near breakout to digital transmission range sensor)
• S102
• S103 (near breakout to heated oxygen sensor)
• S208

4.6L, Engine Performance Wiring Diagram (4 of 4) for Ford Explorer 2003

List of elements for 4.6L, Engine Performance Wiring Diagram (4 of 4) for Ford Explorer 2003:

• (near breakout to differential pressure feedback egr sensor) s105
• (near breakout to fuel injector 3) s108
• (near breakout to heated oxygen sensor) s104
• (on top rear of engine)
• C175c
• Camshaft position sensor (top front of left cyl head)
• Ckp sens +
• Ckp sens -
• Cmp sens
• Coil on plug
• Cop 1
• Cop 2
• Cop 3
• Cop 4
• Cop 5
• Cop 6
• Cop 7
• Cop 8
• Crankshaft position sensor (left front of engine)
• Cyl input
• Cylinder head temperature sensor (top front of cylinder head)
• Dfpe sens
• Differential pressure feedback egr (dfpe) sensor (top of throttle body)
• Electronic vacuum regulator (evr) solenoid valve (on rear of right cyl head)
• Evr ctrl
• Fuel injec- tors
• G105 (right rear of engine compt)
• Ho2s 11
• Ho2s 11 htr
• Ho2s 21
• Ho2s 21 htr
• Iac ctrl
• Idle air control valve (top of throttle body)
• Ignition transformer capacitor 1 (engine compt)
• Ignition transformer capacitor 2 (engine compt)
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Inj 7
• Inj 8
• Knock sensor
• Ks 1
• Nca
• Powertrain control module (at right side engine bulkhead)
• Return
• S106
• S109 (near breakout to fuel injector 7)
• Tan
• Tan/red
• Throttle position (tps) sensor (top of throttle body)
• Tps
• V ref

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Ford Explorer 2003

List of elements for Back-up Lamps Wiring Diagram for Ford Explorer 2003:

• (in rear lamp connector harness, near breakout to parking aid speaker) s401
• (in window regulator jumper assembly, near breakout to driver safety belt buckle switch) s309
• Auto- dimming interior mirror unit
• C270a
• Central junction box (cjb) (behind left side of dash)
• Digital transmission range (dtr) sensor (lower left side of automatic transmission)
• Fuse 7.5a
• G400 (left rear of vehicle)
• G401 (at right "d" pillar)
• Hot in run or start
• J/c 3
• Left reversing lamp
• Parking aid module (at right "d" pillar)
• Rear auxiliary junction box (ajb) (right "d" pillar)
• Reversing lamp trailer tow relay
• Right reversing lamp
• S400
• S404

Exterior Lamps Wiring Diagram, with IVD for Ford Explorer 2003

List of elements for Exterior Lamps Wiring Diagram, with IVD for Ford Explorer 2003:

• (in dash panel to engine harness, near breakout to left horn) s122
• (in main harness, near breakout to sunload sensor)
• (near breakout to central junction box) s203
• (near breakout to central security module) s307
• (near breakout to data link connector)
• (near breakout to windshield wiper motor)
• (police option) (near breakout to left horn)
• (right "d" pillar) rear auxiliary junction box (ajb)
• Abs control module (except police option) (left front side of engine compt)
• Auto
• Battery junction (w/o drl) or underhood auxiliary junction (w/ drl)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Box (ajb)
• Box (bjb)
• Brake pedal position switch (above brake pedal)
• Brake pedal relay (except police option)
• C202b
• C205a
• C220a
• C220b
• C270a
• C270d
• C270h
• C3008e
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Except police option
• Fuse 15a
• Fuse 5a
• G101 (left front of engine compartment)
• G103 (right front of engine compartment)
• G200 (at right "a" pillar)
• G400 (left rear of vehicle)
• G401 (at right "d" pillar)
• Hazard
• Head
• High mounted stoplamp
• Hot at all times
• Hot in run or start
• Indicator flasher relay
• Instrument cluster
• J/c
• J/c 3
• Left front park/ turn lamp
• Left license plate lamp
• Left rear park/ stop/ turn lamp
• Left turn
• Left turn indicator
• Main light switch
• Multi-function switch
• Nca
• Near breakout to central junction box)
• Off
• Park
• Parking lamp trailer tow relay
• Rear auxiliary junction box (ajb) (right "d" pillar)
• Right front park/ turn lamp
• Right license plate lamp
• Right rear park/ stop/ turn lamp
• Right turn
• Right turn indicator
• S120
• S126
• S169
• S171
• S179
• S204
• S250
• S251
• S259
• S400
• S407
• Stoplamp isolation relay
• Trailer electronic brake control module (under left side dash panel)
• Trailer tow circuit

Exterior Lamps Wiring Diagram, without IVD for Ford Explorer 2003

List of elements for Exterior Lamps Wiring Diagram, without IVD for Ford Explorer 2003:

• (in dash panel to engine harness, near breakout to left horn) s122
• (in window regulator jumper assembly, near breakout to central security module) s307
• (near breakout to central junction box) s203
• (near breakout to data link connector)
• (near breakout to sunload sensor)
• (right "d" pillar) rear auxiliary junction box (ajb)
• Auto off
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Brake pedal position switch (above brake pedal)
• C202b
• C205a
• C220a
• C220b
• C270a
• C270d
• C3008e
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Fuse 15a
• Fuse 5a
• G101 (left front of engine compartment)
• G103 (right front of engine compartment)
• G200 (at right "a" pillar)
• G400 (left rear of vehicle)
• G401 (at right "d" pillar)
• Hazard
• Head
• High mounted stoplamp
• Hot at all times
• Hot in run or start
• Indicator flasher relay
• Instrument cluster
• J/c
• J/c 3
• Left front park/ turn lamp
• Left license plate lamp
• Left rear park/ stop/ turn lamp
• Left turn
• Left turn indicator
• Main light switch
• Multi-function switch
• Nca
• Park
• Parking lamp trailer tow relay
• Rear auxiliary junction box (ajb) (right "d" pillar)
• Right front park/ turn lamp
• Right license plate lamp
• Right rear park/ stop/ turn lamp
• Right turn
• Right turn indicator
• S120 (near breakout to windshield wiper motor)
• S204
• S250
• S251
• S259
• S400
• S407
• To central junction box)
• Trailer electronic brake control module (under left side dash panel)
• Trailer tow circuit

Trailer Tow Wiring Diagram, Early Production for Ford Explorer 2003

List of elements for Trailer Tow Wiring Diagram, Early Production for Ford Explorer 2003:

• Back-up lamps circuit
• Battery charge trailer tow relay
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Brake pedal position switch (above brake pedal)
• C270a
• C270d
• Central junction box (cjb) (behind left side of dash)
• Class ii
• Class iii/iv
• Exterior lamps circuit
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• G103 (right front of engine compartment)
• G200 (at right "a" pillar)
• G401 (at right "d" pillar)
• Hot at all times
• Hot in run or start
• J/c
• Left turn trailer tow relay
• Parking lamp trailer tow relay
• Rear auxiliary junction box (ajb) (right "d" pillar)
• Reversing lamp trailer tow relay
• Right turn trailer tow relay
• S120 (w/ ivd: near breakout to left horn) (w/o ivd: near breakout to windshield wiper motor)
• S121
• S216
• S410
• S412
• Trailer electronic brake control module (under left side of dash panel)
• Trailer tow connector (class ii) (at rear of vehicle, below bumper)
• Trailer tow connector (class iii/iv) (at rear of vehicle, below bumper)

Trailer Tow Wiring Diagram, Late Production for Ford Explorer 2003

List of elements for Trailer Tow Wiring Diagram, Late Production for Ford Explorer 2003:

• (in suspension leveling compressor harness, near breakout to trailer tow connector) s419
• Back-up lamps circuit
• Battery charge trailer tow relay
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Brake pedal position switch (above brake pedal)
• C270a
• C270d
• Central junction box (cjb) (behind left side of dash)
• Exterior lamps circuit
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• G103 (right front of engine compartment)
• G200 (at right "a" pillar)
• G401 (at right "d" pillar)
• Hot at all times
• Hot in run or start
• J/c
• Left turn trailer tow relay
• Parking lamp trailer tow relay
• Rear auxiliary junction box (ajb) (right "d" pillar)
• Reversing lamp trailer tow relay
• Right turn trailer tow relay
• S120 (w/ ivd: near breakout to left horn) (w/o ivd: near breakout to windshield wiper motor)
• S121
• S216
• S410
• S412
• S420 (in suspension leveling compressor harness, near breakout to trailer tow connector)
• S421 (in suspension leveling compressor harness, near breakout to trailer tow connector)
• Trailer electronic brake control module (under left side of dash panel)
• Trailer tow connector (class ii) (at rear of vehicle, below bumper)
• Trailer tow connector (class iii/iv) (at rear of vehicle, below bumper)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Ford Explorer 2003

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Ford Explorer 2003:

• (ends in harness) abs test connector
• (left side of engine compartment, at fender apron) battery junction box (bjb)
• A/c clutch cycling pressure switch
• A/c clutch solenoid
• A/c high pressure switch
• A/c indicator diode
• Abs control module
• Anti-theft hood switch
• Battery
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Blower motor relay
• Brake fluid level switch
• C175a
• Data link connector (dlc)
• Daytime running lamps (drl) module
• Daytime running lamps (drl) relay
• Digital transmission range (dtr) sensor
• Explorer
• Fog lamp relay
• G100 (left front of engine compartment)
• G101 (left front of engine compartment)
• G102 (left front of engine compartment)
• G103 (right front of engine compartment)
• G104 (right rear of engine compartment)
• G105 (right rear of engine compartment)
• G106 (left side of engine compartment)
• G107 (left side of engine compartment)
• G109 (in engine compartment)
• High beam relay
• Ignition relay
• Left front fog lamp
• Left front high beam lamp
• Left front low beam lamp
• Left front park/turn lamp
• Left front side lamp
• Left headlamp
• Left horn
• Left repeater lamp
• Left turn trailer tow relay
• Mass air flow (maf) sensor
• Mountaineer
• Nca
• Near breakout to c1168)
• Pcm power relay
• Powertrain control module (pcm)
• Right front fog lamp
• Right front high beam lamp
• Right front low beam lamp
• Right front park/turn lamp
• Right front side lamp
• Right headlamp
• Right horn
• Right repeater lamp
• Right turn trailer tow relay
• S125 (in dash panel to engine harness, near breakout to g100)
• S126 (in dash panel to engine harness, near breakout to g103)
• S135 (in dash panel to engine harness, near breakout to a/c clutch cycling pressure switch)
• S138 (in dash panel to headlamp junction extension harness, near breakout to left headlamp)
• S139 (in dash panel to headlamp junction extension harness, near breakout to right headlamp)
• Shield
• Stoplamp isolation relay
• Underhood auxiliary junction box (ajb) (w/ daytime running lamps)
• Washer fluid level switch
• Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 4) for Ford Explorer 2003

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Ford Explorer 2003:

• (mach radio) subwoofer amplifier
• (manual a/c)
• (manual a/c) function selector switch assembly
• Adjustable pedal switch
• Audio unit
• Brake shift interlock
• C202a
• C205a
• C205b
• C220a
• C220b
• C228b
• C240b
• C281a
• C281b
• C294b
• C294c
• C310a
• C341g
• Console 1 power point
• Console 2 power point
• Data link connector (dlc)
• Driver safety belt buckle switch
• Driver seat module
• Dvd player
• Electronic automatic temperature control (eatc) module
• Electronic compass
• Except base
• Four- wheel drive switch
• Four-wheel drive control module
• Front blower motor resistor assembly
• Front blower motor speed controller
• Front cigar lighter
• Function selector switch assembly
• G200 (right "a" pillar)
• G204 (right "a" pillar)
• G205 (under center console)
• G206 (behind center of dash)
• G300 (left "a" pillar)
• G301 (under center console)
• Glove box lamp
• Harness, near breakout to c237)
• High speed fan control relay
• Instrument cluster
• Main light switch
• Memory set switch
• Message center switch
• Multi- function switch
• Nca
• Parking aid disable switch
• Passenger safety belt buckle switch
• Passive anti-theft transceiver
• Red
• Restraints control module
• S204 (in main harness, near breakout to central junction box)
• S216 (in main harness, near breakout to sunload sensor)
• S219 (in main harness, near breakout to sunload sensor)
• S223 (in main harness, near breakout to data link connector)
• S230 (in main harness, near breakout to audio unit)
• S240 (air conditioning harness, near breakout to temperature blend door actuator)
• S267 (in radio jumper harness, near breakout to c237)
• S319 (in window regulator jumper assembly, near breakout to parking brake switch)
• S333 (in window regulator jumper assembly, near breakout to restraints control module)
• Sunload sensor
• Temperature blend door actuator
• Traction control switch
• Trailer electronic brake control module
• W/ dual zone eatc
• W/ dual zone eatc
• W/ dvd player
• W/ manual a/c

Ground Distribution Wiring Diagram (3 of 4) for Ford Explorer 2003

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Ford Explorer 2003:

• (w/o memory)
• (w/o memory) left power seat switch
• Adjustable pedal switch
• Auto- dimming interior mirror unit
• C341e
• C504a
• C912a
• C912b
• Driver seat module
• Driver side front heated seat module
• Driver side rear door ajar switch
• Driver side seat heater switch
• Early build
• Explorer
• Front interior/ map lamps assembly
• G400 (left rear of vehicle)
• G401 (right "d" pillar)
• High mounted stoplamp
• Homelink module
• Joint connector
• Late build
• Left license plate lamp
• Left power seat switch
• Left rear park/stop/ turn lamp
• Left rear side lamp
• Left reversing lamp
• Left tail lamp
• Left vanity mirror lamp
• Liftgate ajar switch
• Liftgate door lock switch
• Liftgate glass actuator
• Liftgate glass release switch
• Link connector)
• Master window adjust switch
• Mountaineer
• Nca
• Parking aid module (pam)
• Passenger side rear door ajar switch
• Puddle lamp relay
• Rear auxiliary junction box (ajb)
• Rear auxiliary junction box (ajb) (right "d" pillar)
• Rear wiper motor assembly
• Right license plate lamp
• Right rear park/stop/ turn lamp
• Right rear side lamp
• Right reversing lamp
• Right tail lamp
• Right vanity mirror lamp
• Roof opening panel motor assembly
• Roof opening panel switch
• S300 (in seat control feed jumper harness, near breakout to left power seat switch)
• S352 (in window regulator jumper assembly, near breakout to left power seat switch)
• S400 (in rear lamp connector harness, near breakout to right rear park/ stop/turn lamp)
• S404 (in rear lamp connector harness, near breakout to c421)
• S404 (rear lamp connector harn, near breakout to c421)
• S407 (tailgate warning switch harness, in breakout to c494)
• S900 (in interior lamps harness, near breakout to left vanity mirror lamp)
• S911 (in pia harness, at breakout to roof opening panel switch)
• Trailer tow battery charge relay
• Trailer tow parking lamp relay
• Trailer tow reversing lamp relay

Ground Distribution Wiring Diagram (4 of 4) for Ford Explorer 2003

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Ford Explorer 2003:

• (in suspension leveling compressor harness, in breakout to c405)
• Anti-theft inhibit switch
• At breakout to c340)
• Auxiliary a/c relay
• C270a
• C3008d
• C335a
• C365a
• C402b
• C938a
• C938b
• C940a
• Cargo lamp assembly
• Central junction box (cjb) (behind left side of dash)
• Central security module
• Class ii
• Class iii/iv
• Driver side door lock switch
• Driver side side seat back heater
• Early build
• Exterior rear view mirror switch
• Front interior/ map lamps assembly
• Fuel tank unit
• G400 (left rear of vehicle)
• G401 (right "d" pillar)
• G403 (left rear of vehicle)
• Indicator flasher relay
• Joint connector
• Key pad switch assembly
• Late build
• Left exterior rear view mirror
• Left front door ajar switch
• Low tire pressure module
• Memory set switch
• Nca
• Parking brake switch
• Passenger side front door lock unit
• Passenger side front heated seat module
• Passenger side seat back heater
• Passenger side seat heater switch
• Rear a/c control module
• Rear a/c control module (front)
• Rear auxiliary junction box (ajb) (right "d" pillar)
• Rear interior/ map lamps assembly
• Rear window defrost grid
• Rear wiper motor assembly
• Right exterior rear view mirror
• Right front door ajar switch
• Right power seat switch
• S305 (in seat control feed jumper harness, near breakout to c3051)
• S341 (in air conditioning harness, near breakout to c3007)
• S410
• S415 (in rear window wiper motor feed harness, near breakout to rear wiper motor assembly)
• S502 (in window regulator jumper assembly, near breakout to driver's side door lock switch)
• S503 (in door lock jumper harness, near breakout to c510)
• S602 (in window regulator jumper assembly, near breakout to right exterior rear view mirror)
• Temperature blend door actuator
• Trailer tow connector
• W/ overhead console
• W/o overhead console

HEADLIGHTS

Headlights Wiring Diagram, with DRL for Ford Explorer 2003

List of elements for Headlights Wiring Diagram, with DRL for Ford Explorer 2003:

• (at right ``a" pillar) g200
• (in dash panel to engine harness, near breakout to g100) s133
• (left front of engine compt)
• (near breakout to central junction box) s252
• (near breakout to windshield wiper motor)
• (near breakout to windshield wiper motor) s145
• (not used)
• Air conditioning system
• Anti-theft system
• Auto
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C202c
• C205a
• C220a
• C220b
• C270b
• C3008e
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Daytime running lamps (drl) module (left side of engine compt, on inner fender well)
• Daytime running lamps (drl) relay
• Fog lamp relay
• Fog lamp switch
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G101 (left front of engine compt)
• G102
• G103 (right front of engine compt)
• G200 (at right ``a" pillar)
• G400 (left rear of vehicle)
• Head
• Headlamp relay
• Hi beam ind
• High beam relay
• Hot at all times
• Hot in run or start
• Instrument cluster
• Left front fog lamp
• Left front hight beam lamp
• Left front low beam lamp
• Low brake fluid level/ park brake
• Main light switch
• Micropro- cessor
• Microprocessor
• Multi-function switch
• Nca
• Off
• Park
• Parking brake switch (under driver side dash panel)
• Pass
• Right front fog lamp
• Right front hight beam lamp
• Right front low beam lamp
• S117
• S123 (in dash panel to engine harness, near breakout to c126)
• S125
• S126
• S203 (in main harness, near breakout to central junction box)
• S204
• S205
• S206 (near breakout to central junction box)
• S229
• S259
• S260 (near breakout to central junction box)
• Sunload sensor (at center of dash)
• W/ autolamps

Headlights Wiring Diagram, without DRL for Ford Explorer 2003

List of elements for Headlights Wiring Diagram, without DRL for Ford Explorer 2003:

• (at right ``a" pillar) g200
• (in dash panel to engine harness, near breakout to g100) s133
• (in main harness, near breakout to central junction box) s260
• (not used)
• Air conditioning system
• Anti-theft system
• Auto
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C202c
• C205a
• C220b
• C3008e
• Central security module (behind right rear seat)
• Fog lamp relay
• Fog lamp switch
• Fuse 10a
• Fuse 15a
• Fuse 20a
• G101 (left front of engine compt)
• G103 (right front of engine compt)
• G200 (at right ``a" pillar)
• Head
• Headlamp relay
• Hi beam ind
• High beam relay
• Hot at all times
• Instrument cluster
• Left front fog lamp
• Left front hight beam lamp
• Left front low beam lamp
• Main light switch
• Microprocessor
• Multi- function switch
• Off
• Park
• Pass
• Right front fog lamp
• Right front hight beam lamp
• Right front low beam lamp
• S117 (in dash panel to engine harness, near breakout to windshield wiper motor)
• S123 (in dash panel to engine harness, near breakout to c126)
• S126
• S203 (in main harness, near breakout to central junction box)
• S204
• S205
• S229
• S252 (in main harness, near breakout to central junction box)
• S259
• Sunload sensor (at center of dash)
• W/ autolamps

HORN

Horn Wiring Diagram for Ford Explorer 2003

List of elements for Horn Wiring Diagram for Ford Explorer 2003:

• (near breakout to parking brake switch)
• 10a
• 20a
• Air bag sliding contact
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C175a
• C218a
• C270a
• C270d
• C3008e
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Fuse 18
• Fuse 28
• Fuse 6
• G101 (left front of engine compt)
• G103 (right front of engine compt)
• Horn relay
• Horn switch
• Hot at all times
• Left horn
• Low tire pressure module (under passenger dash panel)
• Nca
• Powertrain control module (at right side engine bulkhead)
• Right horn
• S170
• S172 (near breakout to windshield wiper motor)
• S320
• S328 (near breakout to passenger 1 side impact sensor)
• Speed control switch

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Ford Explorer 2003

List of elements for Instrument Cluster Wiring Diagram for Ford Explorer 2003:

• (in main harness, near breakout to central junction box) s206
• (w/ dual zone eatc)
• Air conditioning system
• Ambient air temperature sensor (w/ manual a/c) (right front of engine compt, near radiator support)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C220a
• C220b
• C270e
• C270h
• Central junction box (cjb) (behind left side of dash)
• Charge ind
• Check engine ind
• Check gauge ind
• Computer data lines system
• Daytime running lamps (drl) module (left side of engine compt,on inner fender well)
• Defogger system
• Electronic compass
• Except base
• Except flex fuel
• Exterior lights system
• Flex fuel
• Fuel tank unit
• Fuse 15a
• Fuse 30a
• Fuse 5a
• G102 (left front of engine compt)
• G200 (at right "a" pillar)
• G300 (at left "a" pillar)
• G300 (left side "a" pillar)
• G400 (left rear of vehicle)
• Headlamps system
• High beam ind
• Hot at all times
• Hot in run or acc
• Hot in run or start
• Ignition switch
• Illumination (6 bulbs)
• Instrument cluster
• Interior lights system
• Joint connector 1 (in battery junction box)
• Key in ignition
• Left turn signal ind
• Message center switch
• Micro processor
• Nca
• Oil pressure switch (4.0l: left side of engine block) (4.6l: lower left side of engine block)
• Parking brake switch (under driver side dash panel)
• Power windows system
• Right turn signal ind
• S125
• S204
• S219
• S223
• S232
• Washer fluid level switch (right front of engine compt)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, Base for Ford Explorer 2003

List of elements for Courtesy Lamps Wiring Diagram, Base for Ford Explorer 2003:

• Accessory delay relay
• Battery saver relay
• C220a
• C270a
• C270e
• C270h
• Cargo lamp assembly
• Central junction box (cjb) (behind left side of dash)
• Closed
• Front interior/ map lamps assembly
• Fuse 15a
• G200 (at right "a" pillar)
• G401 (at right "d" pillar)
• Glove box lamp
• Hot at all times
• Instrument cluster
• Interior lamp
• Joint connector
• Liftgate open
• Map lamps
• Microprocessor
• Off
• Open
• Rear auxiliary junction box (on right "d" pillar)
• Rear interior/ map lamps assembly
• S229
• S903
• S904 (in interior illumination harness near breakout to c340)
• W/o overhead console

Courtesy Lamps Wiring Diagram, Except Base (1 of 2) for Ford Explorer 2003

List of elements for Courtesy Lamps Wiring Diagram, Except Base (1 of 2) for Ford Explorer 2003:

• Accessory delay relay
• Battery saver relay
• C220a
• C270a
• C270e
• C270h
• Central junction box (cjb) (behind left side of dash)
• Closed
• Early production
• Fuse 15a
• Fuse 7.5a
• G200 (at right "a" pillar)
• G401 (at right "d" pillar)
• Glove box lamp
• Hot at all times
• Hot in start or run
• Instrument cluster
• Joint connector
• Late production
• Left exterior rear view mirror
• Microprocessor
• Open
• Puddle lamp
• Puddle lamp relay
• Rear auxiliary junction box (on right "d" pillar)
• Right exterior rear view mirror
• S229
• S350 (in window regulator jumper assembly, near breakout to driver safety belt buckle switch)
• S502
• S602

Courtesy Lamps Wiring Diagram, Except Base (2 of 2) for Ford Explorer 2003

List of elements for Courtesy Lamps Wiring Diagram, Except Base (2 of 2) for Ford Explorer 2003:

• (in pia wiring harness, near breakout to to c912b) s912
• (left rear of vehicle)
• Except late production w/ medium overhead console
• Front interior/ map lamps assembly
• G400
• G400 (left rear of vehicle)
• Gnd
• Homelink module
• Interior lamp
• Late production w/ medium overhead console
• Left vanity mirror lamp
• Map lamps
• Off
• Right vanity mirror lamp
• S900
• S901 (in interior lamps harness, near breakout to left vanity mirror lamp)
• S911
• Vpwr

Instrument Illumination Wiring Diagram for Ford Explorer 2003

List of elements for Instrument Illumination Wiring Diagram for Ford Explorer 2003:

• (in main harness, near breakout to audio unit) s225
• (near breakout to central junction box)
• Adjustable pedal switch
• Air bag sliding contact
• Audio unit
• Audio/ climate control switch
• Autolamp
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Bulbs
• C205a
• C205b
• C218a
• C220b
• C228a
• C228b
• C240b
• C294b
• C938a
• C940a
• Driver side door lock switch
• Dvd player
• Electronic automatic temperature control (eatc) module (under left dash panel)
• Exterior lights system
• Four-wheel drive switch (behind center of dash)
• Function selector switch assembly
• Fuse 15a
• G200 (at right "a" pillar)
• G300 (at left "a" pillar)
• G400 (left rear of vehicle)
• G401 (at right "d" pillar)
• Head
• Hot at all times
• Instru- ment cluster
• Joint connector
• Main light switch
• Message center switch
• Microprocessor
• Nca
• Park off
• Parking aid disable switch
• Passenger side front door lock unit
• Rear a/c control module (front) (in roof panel)
• Rear a/c control module (rear) (w/o roof opening panel) (in roof panel)
• Rear auxiliary junction box (on right "d" pillar)
• S203
• S204
• S219
• S223
• S229
• S259
• S265
• S268 (in radio jumper harness near breakout to c2237)
• S349 (in seat control feed jumper harness, near breakout to right front speaker)
• S502
• S602
• S903
• S908
• S909 (in interior illumination harness, at breakout to c340)
• Speed control switch
• Traction control switch
• W/ dvd player
• W/ eatc
• W/ manual a/c

MEMORY SYSTEMS

Adjustable Pedal Wiring Diagram for Ford Explorer 2003

List of elements for Adjustable Pedal Wiring Diagram for Ford Explorer 2003:

• (at right ``a" pillar) g200
• (near breakout to c3052) s302
• (near breakout to central junction box) (near breakout to instrument cluster)
• (near breakout to data link connector) s221
• (near breakout to instrument cluster)
• (near breakout to left power seat switch) s303
• (not used)
• (under center console) g301
• Adj pedal mtr
• Adj pedal pot
• Adj pedal sw
• Adjustable pedal memory potentiometer (under driver's side of dash)
• Adjustable pedal motor (on pedal assembly, left of brake pedal)
• Adjustable pedal switch (behind left side of dash)
• C210
• C215
• C270a
• C341e
• C341f
• C341g
• C353a
• Central junction box (cjb) (behind left side of dash)
• Driver seat module (in driver's seat)
• Forward
• Fuse 30a
• G400 (left rear of vehicle)
• Ground
• Hot at all times
• Interior lights system
• Left power seat motor assembly
• Memory seats circuit
• Memory set sw
• Pos sens +
• Pos sens -
• Power
• Rearward
• Red
• S213
• S214
• S333
• S352

Driver"s Memory Seat Wiring Diagram for Ford Explorer 2003

List of elements for Driver"s Memory Seat Wiring Diagram for Ford Explorer 2003:

• (near breakout to c3052)
• (near breakout to left power seat switch)
• Adj pedal mtr
• Adj pedal pot
• Adj pedal sw
• Adjustable pedal circuit
• C270a
• C270e
• C341e
• C341f
• C341g
• C353a
• C353b
• Central junction box (cjb) (behind left side of dash)
• Computer data lines system
• Driver seat module (in driver's seat)
• Front
• Front hght sens
• Front up/down
• Fuse 30a
• Fuse 5a
• Fwd
• G301 (under center console)
• G400 (left rear of vehicle)
• G401 (at right ``d" pillar)
• Ground
• Horiz sens
• Hot at all times
• Left power seat motor assembly
• Left power seat switch
• Memory set sw
• Memory set switch
• Nca
• Pos sense +
• Pos sense -
• Power
• Pwr seat motor
• Pwr seat sw
• Rear
• Rear hgt sens
• Rear up/down
• Red
• Rwd
• S302
• S303
• S333
• S352
• S502
• Seat
• Seat fwd/rwd
• Set
• Ubp diag

NAVIGATION

Navigation Wiring Diagram for Ford Explorer 2003

List of elements for Navigation Wiring Diagram for Ford Explorer 2003:

• (in breakout to inner right parking aid sensor) s408
• (in breakout to inner right parking aid sensor) s409
• C270a
• C270e
• Central junction box (cjb) (behind left side of dash)
• Computer data lines system
• Digital transmission range (dtr) sensor (lower left side of automatic transmission)
• Exterior lights system
• Exterior lights, mirrors systems
• Fuse 26 7.5a
• Fuse 27 7.5a
• G200 (at right ``a" pillar)
• G401 (at right ``d" pillar)
• Ground
• Hot in run or start
• Interior lights system
• Iso
• Left inner parking aid sensor
• Left inner sensor input
• Left outer parking aid sensor
• Left outer sensor input
• On/off switch
• Parking aid disable switch
• Parking aid module (at right ``d" pillar)
• Parking aid speaker (at right ``d" pillar)
• Pnk
• Power
• Rear sounder (+)
• Rear sounder (-)
• Reverse input
• Right inner parking aid sensor
• Right inner sensor input
• Right outer parking aid sensor
• Right outer sensor input
• S204
• S400
• S401 (near breakout to parking aid speaker)
• Sensor ground
• Sensor power
• Status led

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Ford Explorer 2003

List of elements for Power Distribution Wiring Diagram (1 of 4) for Ford Explorer 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 Ford Explorer 2003

List of elements for Power Distribution Wiring Diagram (2 of 4) for Ford Explorer 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 Ford Explorer 2003

List of elements for Power Distribution Wiring Diagram (3 of 4) for Ford Explorer 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 Ford Explorer 2003

List of elements for Power Distribution Wiring Diagram (4 of 4) for Ford Explorer 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

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Ford Explorer 2003

List of elements for Power Door Locks Wiring Diagram for Ford Explorer 2003:

• (near breakout to c3134) s315
• (near breakout to c3134) s318
• (near breakout to driver safety belt buckle switch)
• 1/2
• 3/4
• 5/6
• 7/8
• 9/0
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C270e
• C3008d
• C3008e
• C3008f
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Door lock/ unlock relay
• Driver door unlock relay
• Driver side door lock switch
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 5a
• G400 (left rear of vehicle)
• G401 (at right "d" pillar)
• G401 (at right ``d" pillar)
• Hot at all times
• Interior lights system
• Key pad switch assembly
• Left front door lock actuator
• Left rear door lock actuator
• Liftgate door lock switch
• Liftgate lock actuator
• Lock
• Lock relay
• Micro processor
• Passenger side front door lock unit
• Red
• Right front door lock actuator
• Right rear door lock actuator
• S205
• S259
• S308
• S312 (near breakout to passenger's safety belt buckle switch)
• S502
• S602
• Unlk
• Unlock relay
• Vbatt
• Vpwr

POWER MIRRORS

Electronic Day/Night Mirror Wiring Diagram for Ford Explorer 2003

List of elements for Electronic Day/Night Mirror Wiring Diagram for Ford Explorer 2003:

• Auto-dimming interior mirror unit
• C270a
• Central junction box (cjb) (behind left side of dash)
• Digital transmission range (dtr) sensor (lower left side of automatic transmission)
• Exterior lights system
• Fuse 7.5a
• G400 (left rear of vehicle)
• Gnd
• Hot in start or run
• S309 (in window regulator jumper assembly, near breakout to driver safety belt buckle switch)
• S900
• Vpwr

Power Mirrors Wiring Diagram for Ford Explorer 2003

List of elements for Power Mirrors Wiring Diagram for Ford Explorer 2003:

• C270a
• Central junction box (cjb) (behind left side of dash)
• Defogger system
• Down
• Exterior rear view mirror switch
• Fuse 5a
• G401 (at right ``d" pillar)
• Hot at all times
• Interior lights system
• Left
• Left exterior rear view mirror
• Left/ right
• Mirror motor
• Red
• Right
• Right exterior rear view mirror
• S501 (in window regulator jumper assembly, near breakout to driver's side door lock switch)
• S502
• Up/ down m
• W/ puddle lamps

POWER SEATS

Adjustable Pedal Wiring Diagram for Ford Explorer 2003

List of elements for Adjustable Pedal Wiring Diagram for Ford Explorer 2003:

• (near breakout to central junction box)
• (near breakout to instrument cluster) s213
• (not used)
• Adjustable pedal motor (on pedal assembly, left of brake pedal)
• Adjustable pedal switch (behind left side of dash)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Fuse 30a
• Fwd
• G200 (at right "a" pillar)
• G400 (left rear of vehicle)
• Hot at all times
• Interior lights system
• Power seats circuit
• Red
• Rwd
• S214
• S221
• S313

Driver Power Seat Wiring Diagram for Ford Explorer 2003

List of elements for Driver Power Seat Wiring Diagram for Ford Explorer 2003:

• C270a
• Central junction box (cjb) (behind left side of dash)
• Dn up
• Entire seat
• Forward/rearward
• Fuse 30a
• G400 (left rear of vehicle)
• Hot at all times
• Left power seat motor assembly
• Left power seat switch
• Nca
• Red
• Rwd fwd
• Up/down front
• Up/down rear

Heated Seats Wiring Diagram, Early Production for Ford Explorer 2003

List of elements for Heated Seats Wiring Diagram, Early Production for Ford Explorer 2003:

• (at right "d" pillar) g401
• (under left dash panel) electronic automatic temperature control (eatc) module
• C228b
• C270a
• Central junction box (cjb) (behind left side of dash)
• Driver side front heated seat module (in driver seat)
• Driver side seat back heater
• Driver side seat cushion heater
• Driver side seat heater switch
• Fuse 10 10a
• Fuse 2 20a
• G400 (left rear of vehicle)
• Gnd
• Heater feed
• Heater ret
• Hot at all times
• Hot in start or run
• Ind
• Nca
• Passenger side front heated seat module (in passenger's seat)
• Passenger side seat back heater
• Passenger side seat cushion heater
• Passenger side seat heater switch
• Red
• S300
• S306
• S316
• Sens feed
• Sens ret
• Sw input
• Vbatt
• Voltage

Heated Seats Wiring Diagram, Late Production for Ford Explorer 2003

List of elements for Heated Seats Wiring Diagram, Late Production for Ford Explorer 2003:

• (in seat control feed jumper harness, near breakout to c3051) s348
• (in seat control feed jumper harness, near breakout to left power seat switch) s314
• C228b
• C270a
• Central junction box (cjb) (behind left side of dash)
• Driver side seat back heater
• Driver side seat cushion heater
• Driver side seat heater switch
• Electronic automatic temperature control (eatc) module (under left dash panel)
• Fuse 20a
• G400 (left rear of vehicle)
• Hot in start or run
• Nca
• Passenger side seat back heater
• Passenger side seat cushion heater
• Passenger side seat heater switch
• S316

Passenger Power Seat Wiring Diagram for Ford Explorer 2003

List of elements for Passenger Power Seat Wiring Diagram for Ford Explorer 2003:

• (at right "d" pillar) g401
• Adjustable pedal switch (behind left side of dash)
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Dn up
• Entire seat
• Forward/rearward
• Fuse 30a
• Hot at all times
• Nca
• Red
• Right power seat motor assembly
• Right power seat switch
• Rwd fwd
• S313
• Up/down front
• Up/down rear

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Ford Explorer 2003

List of elements for Power Top/Sunroof Wiring Diagram for Ford Explorer 2003:

• Acce- ssory delay relay
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C270a
• C270c
• C270f
• Central junction box (cjb) (behind left side of dash)
• Circuit breaker 47 30a
• Down/ open
• Early prod
• Fuse 20a
• G400 (left rear of vehicle)
• Hot at all times
• Late prod, w/ medium overhead console
• Ptc 6a
• Roof opening panel motor assembly
• Roof opening panel switch
• S262
• S900
• Tan/red
• Up/ close
• Vbatt
• Vpwr
• W/ medium overhead console)

POWER WINDOWS

Power Windows Wiring Diagram for Ford Explorer 2003

List of elements for Power Windows Wiring Diagram for Ford Explorer 2003:

• (in window regulator jumper assembly,
• Accessory delay relay
• Battery junction box (bjb) (left side of engine compartment, at fender apron)
• C220a
• C270a
• C270c
• C270e
• C3008e
• C3008f
• C504a
• C504b
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Circuit breaker 47 30a
• Driver side front power window motor
• Fuse 17 15a
• Fuse 2 30a
• Fuse 6 60a
• G400 (left rear of vehicle)
• Hot at all times
• Instrument cluster
• Left rear
• Left rear power window motor
• Left rear window adjust switch
• Liftgate glass actuator (on center of liftgate)
• Liftgate glass release relay
• Liftgate glass release switch (in center of tailgate)
• Master window adjust switch
• Microprocessor
• Near breakout to passenger 1 side impact sensor) s343
• One-touch down
• Passenger
• Passenger side front power window motor
• Passenger side window adjust switch
• Right rear
• Right rear power window motor
• Right rear window adjust switch
• S342 (in window regulator jumper assembly, near breakout to left rear speaker)
• S407

RADIO

Base Radio Wiring Diagram for Ford Explorer 2003

List of elements for Base Radio Wiring Diagram for Ford Explorer 2003:

• (at right "a" pillar) g200
• Air bag contact
• Air bag sliding contact
• Air conditioning system
• Antenna
• Audio unit
• Audio/ climate control switch
• Band
• C175a
• C218a
• C240a
• C240b
• C270d
• C270f
• C270g
• Central junction box (cjb) (behind left side of dash)
• Circuit breaker ptc 1 6a
• Cruise control system
• Fan down
• Fan up
• Fuse 20a
• Fuse 5a
• Fused ignition
• G204 (at right "a" pillar)
• G300 (at left "a" pillar)
• Ground
• Hot at all times
• Hot in start
• Hot with acc delay relay energized
• Illum return
• Interior lights system
• L front spkr (+)
• L front spkr (-)
• L rear spkr (+)
• L rear spkr (-)
• Left front speaker
• Left rear speaker
• Nca
• Next
• Power
• Powertrain control module (pcm) (at right side engine bulkhead)
• R front spkr (+)
• R front spkr (-)
• R rear spkr (+)
• R rear spkr (-)
• Right front speaker
• Right rear speaker
• S168 (in dash panel to engine harness, near breakout to left horn)
• S229
• S230
• S262
• Tan
• Temp down
• Temp up
• Vehicle speed
• Vol down
• Vol up
• Windshield wiper motor (on left side of engine compt, on inner fender well)

Premium Sound Radio Wiring Diagram for Ford Explorer 2003

List of elements for Premium Sound Radio Wiring Diagram for Ford Explorer 2003:

• (at right "a" pillar) g200
• Air bag contact
• Air bag sliding contact
• Air conditioning system
• Antenna
• Audio unit
• Audio/ climate control switch
• Band
• C175a
• C218a
• C240a
• C240b
• C240c
• C270d
• C270f
• C270g
• Central junction box (cjb) (behind left side of dash)
• Cruise control system
• Fan down
• Fan up
• Fuse 20a
• Fuse 5a
• Fused ignition
• G204 (at right "a" pillar)
• G300 (at left "a" pillar)
• Ground
• Hot at all times
• Hot in start
• Hot with acc delay relay energized
• Illum return
• Interior lights system
• L front spkr (+)
• L front spkr (-)
• L rear spkr (+)
• L rear spkr (-)
• Left front speaker
• Left rear speaker
• Nca
• Next
• Power
• Powertrain control module (pcm) (at right side engine bulkhead)
• Ptc 1 6a
• R front spkr (+)
• R front spkr (-)
• R rear spkr (+)
• R rear spkr (-)
• Right front speaker
• Right rear speaker
• S168 (in dash panel to engine harness, near breakout to left horn)
• S229
• S230
• S262
• Shield
• Subwoofer amplifier (behind right rear seat)
• Tan
• Temp down
• Temp up
• Vehicle speed
• Vol down
• Vol up
• Windshield wiper motor (on left side of engine compt, on inner fender well)

Rear Seat Entertainment Wiring Diagram for Ford Explorer 2003

List of elements for Rear Seat Entertainment Wiring Diagram for Ford Explorer 2003:

• (at right "a" pillar) g200
• (in radio jumper harness near breakout to c237)
• (near breakout to left horn) s168
• Air bag contact
• Air bag sliding contact
• Air conditioning system
• Antenna
• Asyson
• Audio system on
• Audio unit
• Audio/ climate control switch
• Band
• C175a
• C218a
• C240a
• C240b
• C270d
• C270f
• C270g
• C420c
• Central junction box (cjb) (behind left side of dash)
• Cruise control system
• Dvd left +
• Dvd left -
• Dvd player
• Dvd right +
• Dvd right -
• Fan down
• Fan up
• Fuse 20a
• Fuse 5a
• Fused ignition
• G204 (at right "a" pillar)
• G300 (at left "a" pillar)
• Ground
• Hot at all times
• Hot in start
• Hot with acc delay relay energized
• Illum
• Illum return
• Interior lights system
• L front spkr (+)
• L front spkr (-)
• L rear spkr (+)
• L rear spkr (-)
• Left front speaker
• Left rear speaker
• Nca
• Next
• Power
• Powertrain control module (pcm) (at right side engine bulkhead)
• Premium sound radio circuit
• Protocol a
• Protocol b
• Ptc 1 6a
• R front spkr (+)
• R front spkr (-)
• R rear spkr (+)
• R rear spkr (-)
• Red
• Right front speaker
• Right rear speaker
• S229
• S230
• S262
• S265
• S266
• S267 (in radio jumper harness near breakout to c237)
• Shield
• Spkr lf+
• Spkr lf-
• Spkr rt+
• Spkr rt-
• Tan
• Temp down
• Temp up
• Vehicle speed
• Vol down
• Vol up
• Windshield wiper motor (on left side of engine compt, on inner fender well)

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Ford Explorer 2003

List of elements for Shift Interlock Wiring Diagram for Ford Explorer 2003:

• (in dash panel to engine harness, near breakout to windshield wiper motor) s120
• (w/ ivd)
• (w/o ivd)
• All times
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Brake pedal position switch (above brake pedal)
• Brake shift interlock
• C175a
• C220a
• C220b
• C270d
• C270e
• C270f
• Central junction box (cjb) (behind left side of dash)
• Computer data lines system
• Fuse 13 5a
• Fuse 15 15a
• Fuse 23 15a
• Fuse 23 30a
• Fuse 26 7.5a
• G200 (at right "a" pillar)
• Hot at
• Hot in start
• Ignition switch
• Instrument cluster
• Joint connector 1 (in battery junction box)
• Key removal inhibit solenoid
• Microprocessor
• Nca
• O/d off
• Or run
• Powertrain control module (at right side engine bulkhead)
• S179 (in dash panel to engine harness, near breakout to windshield wiper motor)
• S223
• S232 (in main harness, near breakout to central junction box)
• Transmission control switch
• W/ dual zone eatc

STARTING/CHARGING

Charging Wiring Diagram for Ford Explorer 2003

List of elements for Charging Wiring Diagram for Ford Explorer 2003:

• Acc
• Battery
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C102a
• C175a
• C220a
• C220b
• C270h
• Central junction box (cjb) (behind left side of dash)
• Charge indicator
• Computer data lines system
• Fuse 5a
• G106 (left side of engine compartment)
• G107 (left side of engine compartment)
• Generator
• Hot at all times
• Ignition switch
• Instrument cluster
• Micro- processor
• Off
• Powertrain control module (pcm) (at right side engine bulkhead)
• Red
• Run
• S142
• S143
• S144
• S207
• Scp +
• Scp -
• Start
• Starter motor

Starting Wiring Diagram for Ford Explorer 2003

List of elements for Starting Wiring Diagram for Ford Explorer 2003:

• Acc
• Battery
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C175a
• C270b
• C270d
• Central junction box (cjb) (behind left side of dash)
• Digital transmission range (dtr) sensor (lower left side of automatic transmission)
• Fuse 10a
• Fuse 30a
• Fuse 50a
• G106 (left side of engine compt)
• G107 (left side of engine compt)
• Ignition switch
• Off
• Powertrain control module (pcm) (at right side engine bulkhead)
• Red
• Run
• S115
• Start
• Starter motor
• Starter relay

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Ford Explorer 2003

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Ford Explorer 2003:

• (in main harn, near breakout to audio unit)
• (under center console) g205
• (under center console) g301
• (w/ dual zone eatc)
• (w/ right safety canopy)
• Air bag ind ctrl
• Air bag stage 1+
• Air bag stage 1-
• Air bag stage 2+
• Air bag stage 2-
• Battery
• Battery junction box (bjb) (left side of engine compartment, at fender apron)
• C1117
• C220a
• C220b
• C228b
• C270e
• C310a
• C310b
• Central junction box (cjb) (behind left side of dash)
• Data bus
• Data link connector (dlc) (partial) (behind left side of dash)
• Driver 1 side impact sensor (under driver's seat)
• Driver safety belt buckle pretensioner (left "b" pillar)
• Driver's safety belt buckle switch (under driver's seat)
• Electronic automatic temperature control (eatc) module (under left dash panel)
• Fuse f1.15 15a
• Fuse f2.19 10a
• Hot at all times
• Hot in run or start
• Ignition
• Instrument cluster
• J/c 1
• Logic ground
• Micro- processor
• Nca
• Note: 1: unbuckled 2: buckled
• Passenger 1 side impact sensor (under passenger's seat)
• Passenger safety belt buckle pretensioner (right "b" pillar)
• Passenger's safety belt buckle switch (under passenger's seat)
• Pin shorting bars engaged when module connector is disconnected from harness (shorting bars are connected between pins: 1-2, 3-4, 5-6 & 13-14 c310a 3-4 & 5-6 c310b
• Ref/gnd
• Restraint control module (rcm) (below center console)
• S228
• S232
• S261
• S333
• See note
• Shorting bar
• Signal
• Signal +
• Signal -
• Tone driver

Supplemental Restraints Wiring Diagram (2 of 2) for Ford Explorer 2003

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Ford Explorer 2003:

• (w/ right safety canopy)
• Air bag sliding contact
• Driver 2 side impact sensor (left "b" pillar) (w/ right safety canopy)
• Driver air bag unit
• Front impact severity sensor (right front side of vehicle)
• Left safety canopy (left "b" pillar)
• Left seat track position sensor (under driver's seat)
• Nca
• Passenger 2 side impact sensor (right "b" pillar) (w/ right safety canopy)
• Passenger air bag module
• Resistor a (left "b" pillar)
• Right safety canopy (right "b" pillar)
• Shorting bar
• W/ safety canopy
• W/o safety canopy

TRANSMISSION

4WD Wiring Diagram, with Traction Control for Ford Explorer 2003

List of elements for 4WD Wiring Diagram, with Traction Control for Ford Explorer 2003:

• (left "a" pillar)
• (near breakout to windshield wiper motor) s179
• (right "a" pillar) g200
• 4wd ind
• 4wd sw
• Abs control module (left front side of engine compt)
• Battery junction (bjb) box (left side of engine compt)
• Bpp sw
• Brake pedal position switch (above brake pedal)
• C155
• C175a
• C270d
• C270f
• C281a
• C281b
• Can bus +
• Can bus -
• Central junction box (behind left side of dash)
• Computer data lines system
• Data link connector
• Datalink conector (behind left side of dash)
• Diff lock sol
• Differential lock solenoid
• Digital transmission range sensor (left side of transmission)
• Exterior lights switch
• Four-wheel drive control module (below right side of dash)
• Four-wheel drive switch
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G102 (left front side of engine compartment)
• G300
• Ground
• High
• Hot at all times
• Hot in run or start
• Illum
• Interior lights system
• Low
• N tow sw
• Neutral sw
• Neutral tow indicator (below left side of dash)
• Off
• Pcm sig
• Position 1
• Position 2
• Position 3
• Position 4
• Position ind
• Position sw
• Powertrain control module (mounted through firewall)
• S125
• S230
• S246 (main harn, near c238 breakout)
• S263
• Sig return
• Transfer case
• Transfer case assembly
• Ubp diag
• Vbatt

4WD Wiring Diagram, without Traction Control for Ford Explorer 2003

List of elements for 4WD Wiring Diagram, without Traction Control for Ford Explorer 2003:

• (left "a" pillar) g300
• (near c350 (breakout)
• (near windshield wiper motor breakout)
• (right "a" pillar) g200
• 4wd ind
• 4wd sw
• Abs control module (left front side of engine compt)
• Abs sig
• Battery junction (bjb) box (left side of engine compt)
• Bpp sw
• Brake pedal position switch (above brake pedal)
• C155
• C175a
• C270d
• C270f
• C281a
• C281b
• Central junction box (behind left side of dash)
• Computer data lines system
• Data link connector
• Datalink conector (behind left side of dash)
• Diff lock sol
• Differential lock solenoid
• Digital transmission range sensor (left side of transmission)
• Exterior lights switch
• F speed sens
• Four-wheel drive control module (below right side of dash)
• Four-wheel drive switch
• Front speed sensor
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G102 (left front side of engine compartment)
• Ground
• High
• Hot at all times
• Hot in run or start
• Illum
• Interior lights system
• Low
• N tow sw
• Neutral sw
• Neutral tow indicator (below left side of dash)
• Off
• Pcm sig
• Position 1
• Position 2
• Position 3
• Position 4
• Position ind
• Position sw
• Powertrain control module (mounted through firewall)
• R speed sens
• Rear speed sensor
• S120
• S125
• S200
• S201
• S230
• S246 (main harn, near c238 breakout)
• S263
• Sens return
• Sig return
• Transfer case
• Transfer case assembly
• Ubp diag
• Vbatt

A/T Wiring Diagram for Ford Explorer 2003

List of elements for A/T Wiring Diagram for Ford Explorer 2003:

• (4.0l)
• (4.6l)
• (behind left side of dash) data link connector
• (left front side of engine compt)
• (mounted through firewall) powertrain control module
• (near cjb breakout)
• (near differential pressure feedback egr sensor breakout)
• (near pcm breakout) s101
• (near pcm breakout) s102
• (near right wheel speed sensor breakout)
• (right rear side of engine compt)
• 4wd
• 4wd circuit
• Battery junction (bjb) box (left side of engine compt)
• Brake in
• Brake pedal position switch (above brake pedal)
• C175a
• C175b
• C175c
• C220a
• C220b
• C270d
• C270f
• Central junction box (behind left side of dash)
• Cht
• Cylinder head temperature sensor (4.6l) (top front of cylinder head)
• Digital transmission range sensor (left side of transmission)
• Dlc
• Ect
• Engine controls system
• Engine coolant temperature sensor (4.0l) (top right of engine)
• Fuse 15a
• Fuse 40a
• Fuse 5a
• G101
• G104
• G105
• Ground
• Heated o2 sensors, vapor management valve, evr solenoid valve
• Hot at all times
• Hot in run or start
• Instrument cluster
• Intermediate shaft speed sensor (left side of transmission)
• Iss
• Joint connector (part of battery junction box)
• Nca
• O/d off
• Oss
• Output shaft speed sensor (left rear of transmission)
• Pcm power diode
• Pcm power relay
• Pcs a
• Pcs b
• Pcs c
• Power
• Pressure control solenoids
• Red
• Return
• S105
• S120
• S129
• S130 (near a/c clutch cycling pressure switch breakout)
• S132
• S210
• S211
• Scp+
• Scp-
• Shift solenoids
• Sig rtn
• Ss a
• Ss b
• Ss c
• Ss d
• Tcc sol
• Tcs
• Tft
• Throttle postion sensor (top of throttle body)
• Torque conv clutch solenoid
• Tps
• Tr1
• Tr2
• Tr3a
• Tr4
• Trans- mission control switch (end of shift lever)
• Transmission fluid temperature sensor
• Transmission solenoid body assembly
• Tss
• Turbine shaft speed sensor (left side of transmission)
• V ref
• Vbatt

WARNING SYSTEMS

Key Reminder & Seat Belt Warning Wiring Diagram for Ford Explorer 2003

List of elements for Key Reminder & Seat Belt Warning Wiring Diagram for Ford Explorer 2003:

• (behind left side of dash) data link connector
• 81
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• Breakout to central security module)
• C205a
• C220a
• C220b
• C270e
• C270h
• C3008d
• C3008e
• C3008f
• C310a
• C310b
• Central junction box (cjb) (behind left side of dash)
• Central security module (behind right rear seat)
• Driver safety belt buckle switch (under driver seat)
• Driver side rear door ajar switch
• Fuse 10a
• Fuse 15a
• Fuse 30a
• Fuse 5a
• G102 (left front of engine compt)
• G205 (under center console)
• G301 (under center console)
• G400 (left rear of vehicle)
• G401 (at right "d" pillar)
• Head
• Hot at all times
• Hot in start or run
• Ignition switch
• Instrument cluster
• J/c
• Joint connector 1 (in battery junction box)
• Key in ignition switch
• Left front door ajar switch
• Liftgate ajar switch (lower center of liftgate)
• Liftgate glass ajar switch (in center of tailgate)
• Main light switch
• Micro- processor
• Nca
• Off
• Park
• Pass- enger safety belt buckle switch (under passenger seat)
• Passenger side rear door ajar switch
• Rear auxiliary junction box (on rear "d" pillar)
• Restraints control module (below center console)
• Right front door ajar switch
• S125
• S232 (w/ dual zone eatc)
• S246 (in main harness, near breakout to c238)
• S259
• S261
• S307 (in window regulator jumper assembly, near
• S333
• S407
• S503
• S602
• Tan
• Washer fluid level switch (right front of engine compt)

Tire Pressure Monitoring Wiring Diagram for Ford Explorer 2003

List of elements for Tire Pressure Monitoring Wiring Diagram for Ford Explorer 2003:

• "d" pillar)
• (in main harn, near breakout to central junction box)
• C270a
• C270e
• Central junction box (cjb) (behind left side of dash)
• Data link connector (behind left side of dash)
• Fuse 5a
• G401 (at right
• Horns system
• Hot at all times
• Hot in run or acc
• Low tire pressure module (under passenger dash panel)
• S210
• S211
• Scp +
• Scp -
• Vbatt

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Ford Explorer 2003

List of elements for Front Wiper/Washer Wiring Diagram for Ford Explorer 2003:

• (left rear side of vehicle)
• (on left side of engine compt, on inner fender well) windshield wiper motor
• 1. off 2. interval 1 3. interval 2 4. interval 3 5. interval 4 6. interval 5 7. low 8. high
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C175a
• C202a
• C270b
• Central junction box (cjb) (behind left side of dash)
• Front washer pump relay
• Fuse 21 30a
• Fuse 4 5a
• G101 (left front of engine compt)
• G102 (left front of engine compt)
• G300 (at left "a" pillar)
• G403
• Hall sensor
• Hot at all times
• Hot in run or acc
• Interval switch
• Microprocessor
• Multi- function switch
• Powertrain control module (right side of engine bulkhead)
• Rear washer pump relay
• Rear wiper motor assembly
• S125
• S168 (near breakout to left horn)
• S219
• S415
• Washer switch
• Windshield washer pump motor (in washer reservoir)
• Wiper high/low relay
• Wiper run/park relay

Rear Washer/Wiper Wiring Diagram for Ford Explorer 2003

List of elements for Rear Washer/Wiper Wiring Diagram for Ford Explorer 2003:

• 1. off 2. variable
• 3. low 4. wash
• Battery junction box (bjb) (left side of engine compt, at fender apron)
• C202a
• C270a
• Central junction box (cjb) (behind left side of dash)
• Front washer pump relay
• Fuse 15 5a
• Fuse 30 20a
• G101 (left front of engine compt)
• G300 (at left "a" pillar)
• G400 (left rear of vehicle)
• G403 (left rear of vehicle)
• Hot at all times
• Hot in run or acc
• Intermittent wipe
• Microprocessor
• Multi- function switch
• Park
• Rear washer pump relay
• Rear wiper motor assembly
• Rear wiper relay
• Run
• S219
• S415
• Windshield washer pump motor (in washer reservoir)
• Windshield wiper motor (on left side of engine compt, on inner fender well)