AIR CONDITIONING – Ford Mustang GT 2004 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

3.8L

3.8L, Manual A/C Wiring Diagram for Ford Mustang GT 2004

List of elements for 3.8L, Manual A/C Wiring Diagram for Ford Mustang GT 2004:

• (behind center of dash) g204
• (in engine control sensor harness, near breakout to c1019) s102
• (in main harness, near breakout to c238) s213
• (not used)
• (on right front of engine compt) g103
• A/c clutch cycling pressure switch (in right rear corner of engine compartment, on a/c accumulator)
• A/c clutch field coil (right front side of engine)
• A/c clutch relay
• A/c high pressure switch (on lower right front of engine compartment, on a/c line)
• Battery junction box (bjb) (on left side of engine compt, forward of strut tower)
• Blower motor resistor (behind right side of dash, in a/c heater plenum)
• Blower motor switch
• C294a
• C294c
• Central junction box (cjb) (behind dash, left of steering column)
• Circuit breaker 1 30a
• Constant control relay module (ccrm) (mounted on bracket, behind engine coolant reservoir)
• Cylinder head temperature sensor (on top front of engine)
• Def
• Engine controls system
• Engine cooling fan motor (front of engine compt)
• Floor
• Front blower motor (behind right side of dash, in a/c heater plenum)
• Function selector switch assembly
• Fuse 2 20a
• Fuse 20a
• Fuse 23 15a
• Fuse 24 30a
• Fuse 30a
• Fuse 34 20a
• G104 (on left front of engine compt)
• High
• High speed fan control relay
• Hot at all times
• Hot in run
• Hot in run or start
• Low
• Low speed fan control relay
• Max
• Microprocessor
• Mix
• Norm
• Off
• Pcm power relay
• Pnk/
• Powertrain control module (behind right kick panel)
• Red
• Red/
• S100 (in engine control sensor harness, near breakout to c1019)
• S108 (in engine control sensor harness, near breakout to c1019)
• S115 (in engine control sensor harness, near breakout to right front wheel speed sensor)
• S122 (in engine control sensor harness, near breakout to right front park/turn lamp)
• S174 (in engine control sensor harness, near breakout to right front wheel speed sensor)
• S201 (in engine control sensor harness, near breakout to g203)
• S234 (in engine control sensor harness, near breakout to evap canister purge valve)
• S256 (in main harness, near breakout to c265)
• Vent

3.9L

3.9L, Manual A/C Wiring Diagram for Ford Mustang GT 2004

List of elements for 3.9L, Manual A/C Wiring Diagram for Ford Mustang GT 2004:

• (behind center of dash) g204
• (in engine control sensor harness, near breakout to c1019) s102
• (in main harness, near breakout to c238) s213
• (not used)
• (on right front of engine compt) g103
• A/c clutch cycling pressure switch (in right rear corner of engine compartment, on a/c accumulator)
• A/c clutch field coil (right front side of engine)
• A/c clutch relay
• A/c high pressure switch (on lower right front of engine compartment, on a/c line)
• Battery junction box (bjb) (on left side of engine compt, forward of strut tower)
• Blower motor resistor (behind right side of dash, in a/c heater plenum)
• Blower motor switch
• C294a
• C294c
• Central junction box (cjb) (behind dash, left of steering column)
• Circuit breaker 1 30a
• Constant control relay module (ccrm) (mounted on bracket, behind engine coolant reservoir)
• Cylinder head temperature sensor (on top front of engine)
• Def
• Engine controls system
• Engine cooling fan motor (front of engine compt)
• Floor
• Front blower motor (behind right side of dash, in a/c heater plenum)
• Function selector switch assembly
• Fuse 2 20a
• Fuse 20a
• Fuse 23 15a
• Fuse 24 30a
• Fuse 30a
• Fuse 34 20a
• G104 (on left front of engine compt)
• High
• High speed fan control relay
• Hot at all times
• Hot in run
• Hot in run or start
• Low
• Low speed fan control relay
• Max
• Microprocessor
• Mix
• Norm
• Off
• Pcm power relay
• Pnk/
• Powertrain control module (behind right kick panel)
• Red
• Red/
• S100 (in engine control sensor harness, near breakout to c1019)
• S108 (in engine control sensor harness, near breakout to c1019)
• S115 (in engine control sensor harness, near breakout to right front wheel speed sensor)
• S122 (in engine control sensor harness, near breakout to right front park/turn lamp)
• S174 (in engine control sensor harness, near breakout to right front wheel speed sensor)
• S201 (in engine control sensor harness, near breakout to g203)
• S234 (in engine control sensor harness, near breakout to evap canister purge valve)
• S256 (in main harness, near breakout to c265)
• Vent

4.6L

4.6L, Manual A/C Wiring Diagram for Ford Mustang GT 2004

List of elements for 4.6L, Manual A/C Wiring Diagram for Ford Mustang GT 2004:

• (4.6l supercharged: near breakout to barometric absolute pressure sensor) (4.6l sohc, 4.6l dohc: near breakout to c1148)
• (behind center of dash) g204
• (in engine control sensor & fuel charge harness, near breakout to c133) s180
• (in main harness, near breakout to c238) s213
• (on left front of engine compartment) g104
• (on right front of engine compartment) g103
• (right front side of engine) a/c clutch field coil
• 4.6l sohc
• A/c clutch cycling pressure switch (in right rear corner of engine compartment, on a/c accumulator)
• A/c clutch relay
• Auxiliary fuse box (on right side of engine compt, on fender)
• Battery junction box (bjb) (on left side of engine compt, forward of strut tower)
• Blower motor resistor (behind right side of dash, in a/c heater plenum)
• Blower motor switch
• C294a
• C294c
• Central junction box (cjb) (behind dash, left of steering column)
• Circuit breaker 30a
• Constant control relay module (ccrm) (mounted on bracket, behind engine coolant reservoir)
• Def
• Dual pressure switch (right front of engine compartment)
• Engine controls system
• Engine coolant temperature (ect) sensor (4.6l supercharged, 4.6l dohc: on top left front of engine) (4.6l sohc: on top right front of engine, front of fuel injector 1)
• Engine cooling fan motor (front of engine compartment)
• Floor
• Front blower motor (behind right side of dash, in a/c heater plenum)
• Function selector switch assembly
• Fuse 1 50a
• Fuse 2 20a
• Fuse 23 15a
• Fuse 24 20a
• Fuse 24 30a
• Fuse 26 30a
• Fuse 34 20a
• G103 (on right front of engine compartment)
• High m2
• High speed fan control relay
• Hot at all times
• Hot in run
• Hot in run or start
• Low
• Low speed fan control relay
• Max
• Micropro- cessor
• Mix
• Norm
• Off
• Pcm power relay
• Powertrain control module (behind right kick panel)
• Red
• S100 (near breakout to mass air flow sensor)
• S102 (4.6l supercharged: near breakout to intake air temperature sensor) (4.6l sohc, 4.6l dohc: near breakout to c1147)
• S108 (in engine control sensor harness, near breakout to mass air flow sensor)
• S115 (near breakout to right front wheel speed sensor)
• S122 (near breakout to constant control relay module)
• S130
• S201 (in engine control sensor harness, near breakout to g203)
• S234 (near breakout to evap canister purge valve)
• S256 (in main harness, near breakout to c265)
• S266 (in main harness, near breakout to c260)
• Vent
• Vref