AIR CONDITIONING – Ford Excursion 2005 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Ford Excursion 2005

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Ford Excursion 2005:

• (under left side of dash) g300
• A/c demand sig
• Air bag sliding contact (in steering column)
• Ambient air temperature sensor (on left front of engine compt)
• Ambient temp
• Batt
• Blend door actuator
• Blend door monitor
• Blend door sense +
• Blend door signal -
• Blow motor rly control
• Blower motor high
• Blower speed control signal return
• C1381a
• C218a
• C228a
• C228b
• C270a
• Central junction box (cjb) (behind lower left side of dash)
• Computer data lines system
• Cruise control system
• Diesel
• Electronic automatic temperature control (eatc) module (behind center of dash)
• Except diesel
• Fan speed (+)
• Fan speed (-)
• Fuse 10a
• Hot at all times
• Hot in run
• Ign
• Illumination
• In car temp sensor
• In-vehicle temperature sensor (behind left side of dash)
• Interior lights system
• Logic gnd
• Nca
• Powertrain control module (pcm) (left side of engine compt)
• Remote solenoid assembly (center of dash)
• Rest
• S191 (in main harness, near breakout for c146)
• S201
• S228
• Sensor return
• Sig rtn
• Solenoid assembly
• Speed control servo (in right side of engine compt)
• Speed controller
• Steering wheel controls
• Steering wheel radio switch
• Sunload sensor sig
• Temp (+)
• Temp (-)
• Temperature blend door actuator (behind right side of dash)
• Ubp diag

Automatic A/C Wiring Diagram (2 of 2) for Ford Excursion 2005

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Ford Excursion 2005:

• (at left rear of eng compt) g100
• (at left rear of engine compt) g101
• (diesel)
• (diesel) (except diesel)
• (diesel: engine control harness, at breakout for auxiliary relay box 5) s171
• (except diesel)
• (in engine control harness, at breakout for front blower motor speed controller) s158
• (in engine control harness, near breakout for g100) s173
• (in engine control harness, near breakout for powertrain control module)
• (in engine control sensor harn, at breakout for front blower motor speed controller)
• (left rear of engine compt) g100
• (pcm power relay) hot in start or run
• A/c clutch field coil
• A/c clutch relay
• A/c compressor clutch diode
• A/c compressor cycling switch (in right rear of engine compartment, on a/c accumulator)
• A/c high pressure switch (5.4l: in right side of engine compt) (6.8l: lower right front of engine)
• A/c press sw in
• A/c press switch sig
• Auxiliary air conditioning circuit
• Auxiliary relay box 4 (except diesel) auxiliary relay box 5 (diesel) (at left rear side of engine compt)
• Blower motor relay
• C1381a
• C1381c
• C175
• C270a
• C270f
• C270g
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Diesel
• Dual pressure switch (diesel) (at right front of engine)
• Electronic fan clutch (front of engine)
• Engine controls system
• Engine coolant temperature (ect) sensor (front of engine)
• Except
• Except diesel
• Fan clutch ctrl
• Fan clutch sig
• Front blower motor speed controller (at right rear of engine compt)
• Fuse 10 10a
• Fuse 107 40a
• Fuse 22 20a
• Fuse 23 20a
• Fuse 27 15a
• G108 (at right side of engine compt)
• G202 (behind left side of dash)
• G300 (under left side of dash)
• Heater blower motor
• Hot at all times
• Hot in run
• Nca
• Powertrain control module (pcm) (diesel: left side of engine compt) (except diesel: on left side of firewall)
• Red
• S102 s180
• S106
• S116
• S124
• S157
• S162
• S180
• S192 (near breakout for manifold air temperature sensor)
• S193
• S201
• S218
• Sens sig
• Sig rtn
• Sunload sensor (on top center of dash)
• Vacuum pump motor (diesel) (in right side of engine compt)
• Vref

Auxiliary Heater-A/C Wiring Diagram for Ford Excursion 2005

List of elements for Auxiliary Heater-A/C Wiring Diagram for Ford Excursion 2005:

• (at rear of vehicle roof) g901
• (behind left side of dash) g201
• (behind left side of dash) g202
• (in interior illumination harness, in breakout for dvd player)
• (in interior illumination harness, near breakout for
• (in interior illumination harness, near breakout for rear auxiliary function selector switch assembly)
• (near breakout for rear auxiliary function selector switch assembly)
• (right rear corner of vehicle) g403
• (right side of cargo area) rear heater blower motor resistor
• 87a
• Auto a/c
• Auxiliary a/c relay
• Auxiliary relay box 1 (behind center of dash)
• Blend dr act ctrl
• Blend dr act posit sns
• Blend dr pot rtn
• Blend potentiometer
• Blower motor
• C270a
• C270d
• C270g
• C270j
• C294a
• C989a
• C989b
• C989c
• C989d
• C990a
• C990b
• C990c
• C990d
• Central junction box (cjb) (behind lower left side of dash)
• Def
• Floor
• Frnt mode pot rtn
• Front auxiliary function selector switch assembly
• Front function selector switch assembly
• Fuse 10a
• Fuse 15a
• Fuse 40a
• G901 (at rear of vehicle)
• Ground
• High
• High speed blower motor relay (at right "d" pillar)
• Hot at all times
• Hot in run
• Ignition
• Interior lights system
• Low
• Manual a/c
• Manual/ auto a/c circuit
• Max
• Med high
• Med low
• Mix
• Mode act posit sig
• Mode act posit sns
• Mode dr act ctrl
• Mode dr act posit sns
• Mode potentiometer
• Normal
• Off
• Rear a/c control module (in right rear corner of vehicle, after "c" pillar)
• Rear a/c ctrl sig
• Rear auxiliary function
• Rear auxiliary function selector switch assembly
• Rear blend door actuator (in right rear corner of vehicle)
• Rear blower motor (in right rear corner of vehicle)
• Rear mode door actuator (in right rear corner of vehicle, after "c" pillar)
• Red
• Red/ pnk
• Relay
• S173 (near breakout for g100)
• S206
• S217
• S290
• S320
• S321
• S322
• S323
• S924
• S925
• S927 (in interior illumination harness, near breakout for rear auxiliary function selector switch assembly)
• S928
• S929
• S930
• S931
• S934
• S935
• Selector switch assembly)
• Switched ground
• Temp blend dr act feed
• Vent

Manual A/C Wiring Diagram for Ford Excursion 2005

List of elements for Manual A/C Wiring Diagram for Ford Excursion 2005:

• (at left rear of engine compt) g100
• (at left rear side of engine compt) g100
• (at right side of engine compt) g108
• (behind left side of dash) g201
• (diesel)
• (except diesel)
• (except diesel) (diesel)
• (except diesel) s122
• (in engine control harness, near breakout for powertrain control module)
• (in engine control sensor harness, at breakout for front heater blower motor resistor) s152
• (left rear of engine compt) g101
• (near breakout for manifold air temperature sensor) s192
• (pcm power relay) hot in start or run
• A/c clutch field coil
• A/c clutch relay
• A/c compressor clutch diode
• A/c compressor cycling switch (in right rear of engine compartment, on a/c accumulator)
• A/c high pressure switch (5.4l: in right side of engine compt) (6.8l: lower right front of engine)
• A/c press sw in
• A/c press switch sig rtn
• Auxiliary air conditioning circuit
• Auxiliary relay box 4 (except diesel) auxiliary relay box 5 (diesel) (at left rear side of engine compt)
• Blower motor relay
• Blower motor switch
• C1381a
• C1381c
• C175
• C270a
• C270f
• C270g
• C270h
• C294a
• C294b
• C294c
• C294d
• Central junction box (cjb) (behind lower left side of dash)
• Cooling fan speed sig
• Defrost
• Diesel
• Dual pressure switch (diesel) (at right front of engine)
• Electronic fan clutch (diesel) (front of engine)
• Electronic fan clutch ctrl
• Engine controls system
• Engine coolant temperature (ect) sensor (on top left front of engine)
• Except
• Except diesel
• Floor
• Front function selector switch assembly
• Front heater blower motor resistor (right rear of engine compt)
• Fuse 10 10a
• Fuse 10a
• Fuse 23 20a
• Fuse 27 15a
• Fuse 40a
• G108 (at right side of engine compt)
• Heater blower motor
• High
• Hot at all times
• Hot in run
• Illumination
• Interior lights system
• Low
• Max
• Med
• Mix
• Mode switch
• Nca
• Normal
• Of engine compartment) g108
• Off
• Powertrain control module (pcm) (diesel: left side of engine compt) (exc diesel: on left side of firewall)
• Powertrain control module (pcm) (diesel: left side of engine compt) (except diesel: on left side of firewall)
• Red
• S106
• S116
• S124
• S162
• S173 (in engine control harness, near breakout for g100)
• S180
• S180 s102
• S193
• S235
• S257
• S290
• Sig rtn
• Solid state
• Temperature blend door actuator (behind right side of dash)
• Temperature control potentiometer
• Vacuum pump motor (diesel) (in right side of engine compt)
• Vent
• Vref