AIR CONDITIONING – Ford Expedition 2004 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Ford Expedition 2004

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Ford Expedition 2004:

• (behind left kick panel) g301
• (behind right kick panel) g200
• (behind right side of dash) heater blower motor speed controller
• (expedition: near breakout to dlc) (navigator: near breakout to g202) s208
• (expedition: near breakout to electronic automatic temperature control module) (navigator: near breakout to central junction box)
• (in main harness, near breakout to glove box lamp)
• (in main harness, near breakout to illumination dimmer)
• (in main harness, near breakout to instrument cluster) s264
• (in main harness, near breakout to instrument cluster) s277
• +/-
• Air bag sliding contact (behind left side of dash)
• Ambient air temperature sensor (behind radiator grille)
• Atc solenoid & manifold assembly (behind center of dash)
• Autolamp/ sunload sensor (at top of dash)
• Auxiliary air conditioner heater circuit
• C2113b
• C228a
• C228b
• C270e
• C270g
• Central junction box (cjb) (behind right kick panel)
• Cruise control system
• Data link connector (dlc) (under left side of dash)
• Defogger system
• Electronic automatic temperature control (eatc) module (in center of dash)
• Expedition w/ dual zone eatc
• Front blower motor relay
• Fuse 116 40a
• Fuse 13 10a
• Fuse 5 7.5a
• G200 (behind right kick panel)
• Heater blower motor (behind right
• Hot at all times
• Hot in run
• If equipped
• In-vehicle temperature sensor (in left side of dash)
• In-vehicle temperature/ humidity sensor (in left side of dash)
• Interior lights system
• Microprocessor
• Navigator
• Navigator w/ dual zone eatc
• Nca
• Pate ind
• Pwr
• Red
• S2019
• S203
• S203 (in main harness, near breakout to glove box lamp)
• S241
• Side of dash)
• Sig rtn-
• Tan
• Vbatt
• Vehicle security module (vsm) (under right side of dash)
• Vpwr
• Vref

Automatic A/C Wiring Diagram (2 of 2) for Ford Expedition 2004

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Ford Expedition 2004:

• (in engine control sensor harness, near breakout to deactivator switch) s104
• (in front heater blower motor harness, near breakout to driver's temperature blend door actuator)
• A/c clutch field coil (at right front of engine)
• A/c clutch relay
• A/c compressor clutch diode
• A/c high pressure switch (at right front of engine compartment)
• Auxiliary relay box 1 (at left front of engine compartment)
• C175b
• C175e
• C2065b
• C270a
• C270b
• Central junction box (cjb) (behind right kick panel)
• Driver temperature blend door actuator (behind center of dash)
• Engine coolant temperature (ect) sensor (on
• Fan speed (+)
• Fan speed (-)
• Fuse 11 10a
• Fuse 33 10a
• G100 (near left side of radiator)
• G301 (behind left kick panel)
• Hot at all times
• Hot in start or run
• Illumination dimmer (behind right side of dash)
• Low charge protection switch
• Navigator
• Nca
• Passenger temperature blend door actuator (behind center of dash)
• Powertrain control module (on right side of firewall)
• Red
• S105 (in engine control sensor harness, near breakout to brake fluid level switch)
• S106 (in engine control sensor harness, near breakout to vapor management valve)
• S113 (in engine control sensor harness, near breakout to right front wheel speed sensor)
• S127 (in engine control sensor & fuel charge harness, near breakout to fuel injector 7)
• S2025 (in front heater blower motor harness, near breakout to passenger's temperature blend door actuator)
• S2026
• S208 (expedition: in main harness, near breakout to data link connector) (navigator: in main harness, near breakout to g202)
• Steering wheel radio switch
• Tan
• Temp (+)
• Temp (-)
• Thermostatic expansion valve switch assembly (on right side of engine compartment)
• Thermostatic switch (micro- processor)
• Top front of engine)

Auxiliary Heater-A/C Wiring Diagram for Ford Expedition 2004

List of elements for Auxiliary Heater-A/C Wiring Diagram for Ford Expedition 2004:

• (expedition: in main harness, near breakout to electronic automatic temperature control module) (navigator: in main harness, near breakout to central junction box) s241
• (in body main harness, near breakout to c800) s319
• (in center of dash) electronic automatic temperature control (eatc) module
• (in console panel harness, near breakout to power point, console 1) s205
• (in interior illumination harness, near breakout to front auxiliary function selector switch assembly)
• (in interior illumination harness, near breakout to front auxiliary function selector switch assembly) s903
• (in rear lamp conn harn near breakout to rear blend door actuator)
• (in rear lamp connector harness, near breakout to auxiliary blower motor resistor assembly)
• (in rear lamp connector harness, near breakout to c410) s424
• (in rear lamp connector harness, near breakout to rear blend door actuator)
• (not used)
• (on left ``b" pillar,
• +/-
• Auxiliary blower motor (at right side of cargo area, behind trim)
• Auxiliary blower motor resistor assembly (at right side of cargo area, behind trim)
• Auxiliary relay box 2 (at right side of cargo area, behind trim)
• Behind trim)
• C228b
• C270e
• C270j
• C270n
• C294b
• C3198a
• C3198b
• C989a
• C989b
• Central junction box (cjb) (behind right kick panel)
• Def
• Floor
• Front auxiliary function selector switch assembly
• Front function selector switch assembly
• Fuse 107 30a
• Fuse 13 10a
• Fuse 18 10a
• G300
• G404 (on right side of luggage compartment, behind trim)
• Ground
• Hot at all times
• Hot in start or run
• Interior lights system
• Max
• Mix
• Nca
• Near breakout to c410)
• Norm
• Off
• Rear auxiliary function selector switch assembly
• Rear blend door actuator (at right side of cargo area, behind trim)
• Rear blower motor relay
• Rear mode door actuator (at right side of cargo area, behind trim)
• Red/ pnk
• Red/pnk
• S230 (in main harness, near breakout to c210)
• S412
• S423
• S431
• S432
• S904
• Vent
• Vpwr
• W/ center console
• W/ eatc
• W/o center console
• W/o eatc

Manual A/C Wiring Diagram for Ford Expedition 2004

List of elements for Manual A/C Wiring Diagram for Ford Expedition 2004:

• (behind right kick panel) g200
• (in engine control sensor harness, near breakout to vapor management valve) s106
• (in front heater blower motor harness, in breakout to c237)
• (in front heater blower motor harness, in breakout to heater blower motor) s291
• (in main harness, near breakout to glove box lamp) s203
• (navigator: in main harness, near breakout to g202) (expedition: in main harness, near breakout to data link connector)
• (near left side of radiator) g100
• A/c clutch field coil (at right front of engine)
• A/c clutch relay
• A/c compressor clutch diode
• A/c high pressure switch (at right front of engine compartment)
• Auxiliary relay box 1 (at left front of engine compartment)
• Blower motor resistor (behind center of dash)
• C175b
• C270a
• C270b
• C270e
• C270g
• C294a
• C294b
• C294c
• Central junction box (cjb) (behind right kick panel)
• Defogger system
• Defrost
• Exterior lights system
• Floor
• Front blower motor relay
• Front function selector switch assembly
• Fuse 10a
• Fuse 11 10a
• Fuse 13 10a
• Fuse 33 10a
• Fuse 40a
• Fuse 7.5a
• G200 (behind right kick panel)
• G301 (behind left kick panel)
• Heater blower motor (behind right side of dash)
• Hot at all times
• Hot in start or run
• Illumination
• Interior lights system
• Low charge protection switch
• Max
• Mix
• Nca
• Norm
• Off
• Pnk
• Powertrain control module (on right side of firewall)
• S105 (in engine control sensor harness, near breakout to brake fluid level switch)
• S200
• S200 (in front heater blower motor harness, in breakout to c237)
• S202 (in main harness, near breakout to instrument cluster)
• S208
• S230 (in main harness, near breakout to c210)
• S241 (expedition: in main harness, near breakout to electronic automatic temperature control module) (navigator: in main harness, near breakout to central junction box)
• S262 (in main harness, near breakout to front function selector switch assembly)
• S277 (in main harness, near breakout to instrument cluster)
• Sensor harness, near breakout to deactivator switch) s104
• Solid state
• Temperature blend door actuator (behind center of dash)
• Thermostatic expansion valve switch assembly (on right side of engine compartment)
• Thermostatic switch (micro- processor)
• Vbatt
• Vent