AIR CONDITIONING — Ford F550 Super Duty 2008 — SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Ford F550 Super Duty 2008

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Ford F550 Super Duty 2008:

• (at top left of hvac module) electric heater
• (crew cab & regular cab: in left "a" pillar) (super cab: behind left side of dash)
• (in extension assembly-a/c blower motor feed harness, near top of hvac housing) s250
• (in extension assembly-a/c blower motor feed harness, near top of hvac housing) s251
• 150a
• Ambient
• Battery
• Battery junction box (bjb) (at left rear of engine compt)
• Blower command
• Blower motor relay
• C2280a
• C2280b
• C2280e
• C228a
• C2357b
• C2463a
• C2463b
• C2463c
• Cable pro
• Cbp37
• Ch122
• Ch123
• Ch207
• Ch208
• Ch211
• Ch213
• Ch228
• Ch229
• Ch237
• Ch239
• Chs29
• Chs30
• Computer data lines system
• Driver temperature blend door actuator (at bottom of hvac assembly)
• Drv htd seat sw
• Drv sun load
• Drv temp a+
• Drv temp b+
• Drv temp feedback
• Front blower rly
• Fuse 10a
• Fuse 40a
• Fuse 5a
• G300
• Gd133
• Gnd
• Heated mirror relay
• Hot at all times
• Hot in run or acc
• Hot in run or start
• Hscan+
• Hscan-
• Hvac-eatc
• Incar temp sn
• Lh111
• Mode actr a+
• Mode actr b+
• Mode actr feedback
• Mscan+
• Mscan-
• Nca
• Panel/defrost mode actuator (at left side of hvac assembly)
• Pass htd seat sw
• Pass sun load
• Pass temp a+
• Pass temp b+
• Pass temp feedback
• Passenger temperature blend door actuator (at top middle of hvac assembly)
• Rear def htd mirror
• Recirc door a+
• Recirc door b+
• Recirculation door actuator (at right side of hvac case)
• Red
• Rh111
• S104
• S143
• S144
• S145
• S206
• S224
• Sbp15
• Smart junction box (on passenger side kick panel)
• Steering wheel sw in
• Vbat
• Vdb06
• Vdb07
• Vh101
• Vh407
• Vh414
• Vh416
• Vh417
• Vh436
• Vh440
• Vh441
• Vh444
• Vign
• Vref actr
• Vref rtn
• W/ electric heater
• W/o electric heater

Automatic A/C Wiring Diagram (2 of 3) for Ford F550 Super Duty 2008

List of elements for Automatic A/C Wiring Diagram (2 of 3) for Ford F550 Super Duty 2008:

• (at right side of hvac assembly) blower motor control module
• (behind center of dash) autolamp/sunload sensor
• (below driver seat) driver side front heated seat relay
• (below passenger seat) passenger side front heated seat relay
• (in extension
• Assembly-a/c blower motor feed harness, at right side of hvac case)
• Blower motor
• C218a
• C218b
• Ch218
• Ch402
• Clock spring (in steering column)
• Fan down
• Fan up
• G203 (behind center of dash, behind audio control module)
• G300 (crew cab & regular cab: in left "a" pillar) (super cab: behind left side of dash)
• Gd115
• Headlights system
• In vehicle temperature sensor (behind left side of dash)
• Outside air temperature sensor (at right front of engine compt)
• S210 (in main harness, near breakout behind audio control module)
• S225
• S257
• Solid state control
• Steering wheel/speed control switch
• Vh101

Automatic A/C Wiring Diagram (3 of 3) for Ford F550 Super Duty 2008

List of elements for Automatic A/C Wiring Diagram (3 of 3) for Ford F550 Super Duty 2008:

• (at front of engine) (diesel) engine coolant temperature (ect) sensor
• (diesel)
• (diesel) (gas)
• (gas)
• (in engine control sensor & fuel charge harness, near breakout to front right side of engine, on top) s133
• (in engine control sensor harness, near breakout to front center of engine compt)
• (in engine control sensor harness, near breakout to front right side of engine, on top) s1013
• A/c clutch diode
• A/c clutch relay
• A/c clutch solenoid
• A/c cycling switch
• A/c cycling switch (gas)
• A/c high pressure switch (at right side of engine compt)
• Accr
• Accs
• Acpsw
• Audio/climate control switch
• Battery junction box (bjb) (at left rear of engine compt)
• Brake pressure switch (at bottom of master cylinder)
• C1232b
• C1232e
• C175b
• C175e
• Ce237
• Cec11
• Ch302
• Ch421
• Ch425
• Cht
• Control
• Cylinder head temperature sensor (6.8l: on right cylinder head) (5.4l: at rear of block, under intake)
• Diesel
• Dual pressure switch (diesel) (at right front of engine)
• Ect
• Electric fan clutch (at front of engine)
• Engine controls system
• Fuse 10a
• Fuse 20a
• Fuse 50 (gas) 30a fuse 39 (diesel) 50a
• G103 (at right rear of engine compt)
• G108 (at left rear of engine compt)
• Gas
• Gd119
• Gnd
• Hot at all times
• Interior lights system
• Kapwr
• Media
• Mpr (pcm-rc)
• Nca control
• Nca gnd
• Nca sig
• Nca vbpwr
• Nca vpwr
• Near breakout to left front of frame)
• Pcm power relay
• Powertrain control module (pcm) (at left side of firewall)
• Re405
• S1008 (in engine control sensor harness, near breakout to right rear of engine compt)
• S1009 (in engine control sensor harness, near breakout to front right side of engine, on top)
• S1010 (in engine control sensor harness, near breakout to front right side of engine, on top)
• S114
• S115
• S117 (diesel)
• S120
• S128
• S154 (gas)
• S158 (gas)
• Sbb36
• Seek +
• Seek -
• Sig
• Sig rtn
• Sound systems
• Temp +
• Temp -
• Vbpwr
• Ve712
• Ve716
• Vec03
• Vec10
• Vol +
• Vol -

Manual A/C Wiring Diagram (1 of 2) for Ford F550 Super Duty 2008

List of elements for Manual A/C Wiring Diagram (1 of 2) for Ford F550 Super Duty 2008:

• (at top left of hvac module) electric heater
• (behind center of dash, behind audio control module) g203
• (in extension assembly-a/c blower motor feed harness, at right side of hvac case) s256
• (in extension assembly-a/c blower motor feed harness, near top of hvac housing) s251
• 150a
• Battery
• Battery junction box (bjb) (at left rear of engine compt)
• Blower motor
• Blower motor relay
• C2280a
• C2280b
• C2280e
• C2357a
• C2357b
• C2463a
• C2463b
• C2463c
• Cable pro
• Cbp37
• Ch122
• Ch123
• Ch202
• Ch203
• Ch207
• Ch208
• Ch233
• Ch234
• Ch428
• Ch429
• Ch430
• Chs29
• Chs30
• Computer data lines system
• Driver side front heated seat relay (below driver seat)
• Drv htd seat sw
• Drv temp a+
• Drv temp b+
• Drv temp feedback
• Front blower motor resistor assembly (at right side of hvac assembly)
• Front blower rly
• Fuse 10a
• Fuse 40a
• Fuse 5a
• G203 (behind center of dash, behind audio control module)
• G300 (crew cab & regular cab: in left "a" pillar) (super cab: behind left side of dash)
• Gd115
• Gd133
• Gnd
• Heated mirror relay
• Hot at all times
• Hot in run or acc
• Hot in run or start
• Hscan+
• Hscan-
• Hvac-emtc
• Lh111
• Med hi
• Med lo
• Mode actr a+
• Mode actr b-
• Mscan+
• Mscan-
• Nca
• Panel/defrost feedback
• Panel/defrost mode actuator (at left side of hvac assembly)
• Pass htd seat sw
• Passenger side front heated seat relay (below passenger seat)
• Rear def htd mirror
• Recirc door a+
• Recirc door b+
• Red
• Rh111
• S104
• S143
• S144
• S145
• S206
• S224
• S225
• S250 (in extension assembly-a/c blower motor feed harness, near top of hvac housing)
• Sbp15
• Smart junction box (on passenger side kick panel)
• Temperature blend door actuator (behind right side of dash)
• Vbat
• Vdb06
• Vdb07
• Vh437
• Vh439
• Vign
• Vref actr
• Vref return
• W/ electric heater
• W/o electric heater

Manual A/C Wiring Diagram (2 of 2) for Ford F550 Super Duty 2008

List of elements for Manual A/C Wiring Diagram (2 of 2) for Ford F550 Super Duty 2008:

• (at front of engine) (diesel) engine coolant temperature (ect) sensor
• (diesel)
• (diesel) (gas)
• (gas)
• (in engine control sensor & fuel charge harness, near breakout to front right side of engine, on top) s133
• (in engine control sensor harness, near breakout to front center of engine compt)
• (in engine control sensor harness, near breakout to front right side of engine, on top) s1013
• A/c clutch diode
• A/c clutch relay
• A/c clutch solenoid
• A/c cycling switch
• A/c cycling switch (gas)
• A/c high pressure switch (at right side of engine compt)
• Accr
• Accs
• Acpsw
• Battery junction box (bjb) (at left rear of engine compt)
• Brake pressure switch (at bottom of master cylinder)
• C1232b
• C1232e
• C175b
• C175e
• Ce237
• Cec11
• Ch302
• Ch421
• Ch425
• Cht
• Control
• Cylinder head temperature sensor (6.8l: on right cylinder head) (5.4l: at rear of block, under intake)
• Diesel
• Dual pressure switch (diesel) (at right front of engine)
• Ect
• Electric fan clutch (at front of engine)
• Engine controls system
• Fuse 10a
• Fuse 20a
• Fuse 50 (gas) 30a fuse 39 (diesel) 50a
• G103 (at right rear of engine compt)
• G108 (at left rear of engine compt)
• Gas
• Gd119
• Gnd
• Hot at all times
• Kapwr
• Mpr (pcm-rc)
• Nca control
• Nca gnd
• Nca sig
• Nca vbpwr
• Nca vpwr
• Near breakout to left front of frame)
• Pcm power relay
• Powertrain control module (pcm) (at left side of firewall)
• Re405
• Recirculation door actuator (at right side of hvac case)
• S1008 (in engine control sensor harness, near breakout to right rear of engine compt)
• S114
• S115
• S120
• S128
• S154 s117 (diesel)
• S158 (gas)
• Sbb36
• Sig
• Sig rtn
• Vbpwr
• Ve712
• Ve716
• Vec03
• Vec10