AIR CONDITIONING – Ford Econoline E250 2004 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Manual A/C Wiring Diagram (1 of 2) for Ford Econoline E250 2004

List of elements for Manual A/C Wiring Diagram (1 of 2) for Ford Econoline E250 2004:

• (at right side of engine compt) g107
• (in engine control sensor & fuel charge wiring harness, near breakout to top center of engine) s1057
• A/c clutch cycling pressure switch (at right rear of engine compt)
• A/c clutch field coil (on lower right front of engine)
• A/c compressor clutch diode
• A/c high pressure switch (in right rear of engine compt)
• A/c sw
• Battery junction box (bjb) (at right rear of engine compt)
• Breakout to c139)
• Breakout to front of engine) s1053
• C176a
• C176c
• C294a
• C294d
• Central junction box box (cjb) (behind left side of dash)
• Clutch ctrl c176c
• Defrost
• Diesel
• Dual pressure switch (at right front of engine compt)
• Electronic fan clutch (diesel) (at left front of engine)
• Engine controls system
• Engine coolant temperature (ect) sensor (diesel) (on upper left front of engine)
• Except diesel
• Floor
• From a/c clutch relay (diagram 2 of 2)
• Front function selector switch assembly
• Fss
• Fuse 15a
• Fuse 30a
• G107 (at right rear of engine compartment)
• G204 (at left kick panel)
• Gnd
• Hot at all times
• Hot in run
• Input
• Max a/c
• Mix
• Mode switch
• Nca
• Norm a/c
• Off
• Pcm power relay
• Powertrain control module (pcm) (at left rear of engine compt, near master brake cylinder)
• Powertrain control module (pcm) (in left rear of engine compt, near brake master cylinder)
• Red
• Relay ctrl
• S1033 (in engine control sensor wiring harness, near breakout to starter relay)
• S1052 (in engine control sensor & fuel charge wiring harness, near breakout to front of engine)
• S1059 (in engine control sensor & fuel charge wiring harness, near breakout to rear left of engine compt)
• S142 (in engine control sensor harness, near breakout to right side of engine compt)
• S203 (in main wiring harness, near breakout to center of dash)
• S223 (in window regulator relay switch harness, near breakout to steering column)
• S242 (in window regulator relay switch harness, near breakout to right side of dash)
• Sig
• Sig rtn
• Temperature blend door actuator (behind right side of dash, on a/c heater plenum)
• Temperature control potentiometer
• To a/c clutch relay (diagram 2 of 2)
• To blower motor relay (diagram 2 of 2)
• To s400 (diagram 2 of 2)
• Vent
• Vent norm a/c
• Vpwr
• Vref

Manual A/C Wiring Diagram (2 of 2) for Ford Econoline E250 2004

List of elements for Manual A/C Wiring Diagram (2 of 2) for Ford Econoline E250 2004:

• (diesel)
• (diesel) (except diesel)
• (diesel: in engine control sensor wiring harness, near breakout to trailer tow right turn relay) (except diesel: in engine control sensor wiring harness, near breakout to g105) s1029
• (in tailllight wiring harness, near breakout to c925) s303
• (not used)
• 87a
• A/c clutch field coil (at lower right front of engine)
• A/c clutch relay (diesel)
• Auxiliary blower motor (behind left rear wheelwell)
• Auxiliary blower motor resistor assembly (behind left rear wheelwell)
• Auxiliary blower motor switch
• Auxiliary relay box 1 (at left rear of engine compt)
• Battery junction box (bjb) (at left side of engine compartment)
• Battery junction box (bjb) (at left side of engine compt)
• Blower motor relay
• Blower motor resistor (diesel: at right rear of engine compartment) (except diesel: in right rear of engine compartment)
• Blower motor switch
• C294b
• C294c
• Cutaway
• From s111 (diagram 1 of 2)
• From s142 (diagram 1 of 2)
• Front blower motor (at right rear of engine compartment)
• Front function selector switch assembly
• Fuse 10a
• Fuse 50a
• G100 g105 (at left rear of engine compt)
• G107 (at right rear of engine compt)
• G107 (diesel: at right rear of engine compt) (except diesel: at right side of engine compt)
• G202 (at left side of dash)
• G400 (at left side of vehicle rear end)
• High
• Hot at all times
• Low
• Of rear seats) s400
• Off
• Rear a/c blower speed relay 1 (in left rear corner of vehicle, above wheelwell)
• Rear a/c blower speed relay 2 (in left rear corner of vehicle, above wheelwell)
• Red
• S143 (in engine control sensor harness, near breakout to right side of engine compartment)
• S143 (in engine control sensor harness, near breakout to right side of engine compt)
• S144 (in engine control sensor harness, near breakout to right side of engine compartment)
• S145
• S202 (in main wiring harness, near breakout to center of dash)
• S304 (in taillight wiring harness, near breakout to c925)
• S305 (in taillight wiring harness, near breakout to c925)
• S401 (in a/c blower motor wiring harness, in breakout to c405)
• To powertrain control module (diagram 1 of 2)
• Van & wagon