All Wiring Diagrams for Ford F550 Super Duty 2004

AIR CONDITIONING

Heater Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Heater Wiring Diagram for Ford F550 Super Duty 2004:

• (in engine control harness, at breakout for front heater blower motor resistor) s152
• (in engine control harness, near breakout for g108) s180
• (in main harness, near breakout to radio) s290
• (in main harness, near breakout to sunload sensor) s235
• Blower motor relay
• Blower motor switch
• C270a
• C270g
• C294a
• C294b
• C294c
• C294d
• Central junction box (cjb) (behind lower left side of dash)
• Defrost
• Floor
• Front function selector switch assembly
• Front heater blower motor resistor (5.4l: at rear of engine compt) (except 5.4l: at right front of engine compt)
• Fuse 10a
• Fuse 40a
• G201 (behind left side of dash)
• Heater blower motor
• High
• Hot at all times
• Hot in run
• Illumination
• Interior lights system
• Low
• Med
• Mix
• Mode selector switch
• Normal max
• Of engine compartment) g108
• Off
• S257 (in main harness, near breakout to temperature blend door actuator)
• Solid state
• Temperature blend door actuator (behind right side of dash)
• Temperature control potentiometer
• Vent

Manual A/C Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Manual A/C Wiring Diagram for Ford F550 Super Duty 2004:

• (at left rear side of engine compt) g100
• (at left side of engine compt) g101
• (at right side of engine compt) g108
• (behind left side of dash) g201
• (diesel)
• (except diesel)
• (except diesel) (diesel)
• (in engine control harness, at breakout for front heater blower motor resistor) s152
• (in engine control harness, near breakout for g108) s180
• (in engine control harness, near breakout for powertrain control module)
• (in main harness, near breakout to radio) s290
• (in main harness, near breakout to sunload sensor) s235
• (in main harness, near breakout to temperature blend door actuator) s257
• (near breakout for air charge temperature sensor) s192
• 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 (excursion)
• Auxiliary relay box 4 (except diesel) auxiliary relay box 5 (diesel) (at left rear side of engine compt)
• Blower motor relay
• Blower motor switch
• Breakout for g101)
• 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 coolant temperature (ect) sensor (on top left front of engine)
• Except
• Except diesel
• Floor
• Front function selector switch assembly
• Front heater blower motor resistor (5.4l: at rear of engine compt) (except 5.4l: at right front 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
• Hot in start or run
• Illumination
• Interior lights system
• Low
• Max
• Med
• Mix
• Mode selector switch
• Mode switch
• Nca
• Normal
• Normal max
• Of engine compartment) g108
• Off
• Powertrain control module (pcm) (diesel: left side of engine compt) (except diesel: on left side of firewall)
• S106
• S116
• S119
• S123 (early production) (in engine control harness, near breakout for powertrain control module)
• S124 (in engine control harness, near breakout for g100)
• S173 (in engine control harness, near breakout for g100)
• S180 (in engine control harness, near breakout for g108)
• S193 (late production)
• 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

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Anti-lock Brakes Wiring Diagram for Ford F550 Super Duty 2004:

• (in main harness, near breakout to brake pedal position switch) s259
• (or 1155)
• 4x4 high/low indicator switch (w/o electronic shift on the fly) (top of transfer case)
• Abs control module (at left side of engine compt)
• Abs ind
• Bpp in
• Brake fluid level switch (on brake fluid reservoir)
• Brake pedal position switch (behind left side of dash, above brake pedal)
• C220b
• C220c
• C270a
• C270f
• C270m
• C281b
• Central junction box (cjb) (behind lower left side of dash)
• Computer data lines system
• Cruise control system
• Four wheel drive control module (w/ electronic shift on the fly) (behind right side of dash)
• Fuse 10a
• Fuse 60a
• G100 (at left rear side of engine compt)
• G105 (at left front side of engine compt)
• G300 (on vehicle floor, in left front footwell)
• Ground
• Hi/low
• Hot at all times
• Hot in run
• Ind ctrl
• Instrument cluster
• Iso
• Left front wheel speed sensor (at left front wheel assembly)
• Nca
• Rear axle speed sensor (on differential)
• Red/pnk
• Right front wheel speed sensor (at right front wheel assembly)
• S102
• S159
• S163
• S178 (gasoline: near breakout for g101) (diesel: near breakout for junction block on left front fender)
• S201
• S228 (excursion)
• Sw in
• Vbatt
• Vpwr
• Vss

ANTI-THEFT

Forced Entry Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Forced Entry Wiring Diagram for Ford F550 Super Duty 2004:

• (behind
• (in body main harness, near breakout for c340)
• (late production) key pad switch assembly
• (on top center of dash) sunload sensor
• (w/ heated seats: near breakout for c3049) (w/o heated seats: near breakout for c3007) (w/ memory: near breakout for c327)
• (w/ power equipment)
• 1/2
• 3/4
• 5/6
• 7/8
• 9/0
• Air conditioning system
• Autolamps on
• C2113a
• C2113b
• C2113c
• C270a
• C270b
• C270e
• Central junction box (cjb) (behind lower left side of dash)
• Diagnostic
• Door ajar sw
• Door lock
• Door lock out
• Door unlock
• Dr door relay
• Driver side door lock switch
• Driver side front door ajar switch (in driver's door)
• Driver side rear door ajar switch (if equipped) (if left rear door)
• Ext lamp pwr
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G201 (behind left side of dash)
• G900 (at left "c" pillar)
• G900 (at left ``c" pillar)
• Ground
• Headlights system
• Headlmp relay
• Horn relay
• Horns system
• Hot at all times
• Interior lights system
• Key pad 1/2
• Key pad 3/4
• Key pad 7/8
• Key pad com
• Key pad illum
• Left front door lock actuator (in left front door)
• Left rear door lock actuator (if equipped) (in left rear door)
• Left side of dash) data link connector (dlc)
• Lock
• Pass- enger side door lock switch
• Passenger side door lock actuator (in passenger's door)
• Passenger side front door ajar switch (in front passenger's door)
• Passenger side rear door ajar switch (if equipped) (if right rear door)
• Pnk
• Red
• Right rear door lock actuator (if equipped) (in right rear door)
• S214
• S230 (w/ electronic shift on the fly)
• S233 (w/ power equipment)
• S247 (in body main harness, near breakout to passenger air bag module)
• S272 (w/ power equipment)
• S290
• S300
• S304
• S305
• S318 (in body main harness, near breakout for g300)
• S329 (in body main harness, near breakout for g300)
• S501
• S501 (w/ power equipment)
• S501 s300 (w/o power equipment)
• S639
• Sunload sens
• Unlock
• Vbatt
• Vehicle security module (vsm) (behind left side of dash)

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Computer Data Lines Wiring Diagram for Ford F550 Super Duty 2004:

• (in main harness, near breakout for instrument cluster) s225
• (not used)
• Abs control module (at left side of engine compt)
• Auxiliary powertrain control module (diesel) (behind left side of dash)
• C1381a
• C1381c
• C1388c
• C175
• C2113c
• C220a
• C228b
• C270d
• C281b
• C9013
• C930
• Can bus 1h
• Can bus 1l
• Can bus 2h
• Can bus 2l
• Central junction box (cjb) (behind lower left side of dash)
• Data link connector (dlc) (behind left side of dash)
• Diesel
• Electronic automatic temperature control (eatc) module (behind center of dash)
• Except diesel
• Feps
• Four wheel drive control module (behind right side of dash)
• Fuel injector control module (ficm) power relay (in auxiliary relay box 5)
• Fuse 12 20a
• G101 (6.0l: at left side of engine compt)
• G202 (behind left side of dash)
• Hot at all times
• Instrument cluster
• Iso
• Nca
• Overhead console
• Parking aid module (pam) (at right kick panel)
• Powertrain control module (pcm) (gasoline: on left side of firewall) (diesel: left side of engine compt)
• Restraints control module (behind center of dash)
• S217
• S242
• S247 (in main harness,near breakout to passenger air bag module)
• S284 (in main harness, near breakout for data link connector)
• S286 (in main harness, near breakout for data link connector)
• Scp+
• Scp-
• Twisted pair
• Ubp
• Vehicle security module (vsm) (behind left side of dash)
• W/ eatc
• W/ electronic shift on the fly
• W/ remote keyless entry
• W/ roof opening panel
• W/0 roof opening panel

COOLING FAN

6.0L

6.0L, Cooling Fan Wiring Diagram for Ford F550 Super Duty 2004

List of elements for 6.0L, Cooling Fan Wiring Diagram for Ford F550 Super Duty 2004:

• (front of engine) electronic fan clutch
• (left side of engine compartment) powertrain control module (pcm)
• C1381a
• C1381c
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Cooling fan speed sig
• Electronic fan clutch control
• Engine coolant temperature (ect) sensor (on top left front of engine)
• Fuse 20a
• G100 (at left rear side of engine compt)
• Hot in start or run
• Nca
• Red
• S117
• S192 (near breakout for air charge temperature sensor)
• S193 (late production)
• Sig rtn
• Vref

CRUISE CONTROL

6.0L DIESEL

6.0L Diesel, Cruise Control Wiring Diagram for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Cruise Control Wiring Diagram for Ford F550 Super Duty 2004:

• Abs control module (at left side of engine compt)
• Air bag sliding contact (in steering column)
• Brake pedal position switch (behind left side of dash, above brake pedal)
• Brake position in
• Brake press in
• Brake pressure switch (on brake master cylinder)
• C1381a
• C218a
• C220c
• C270a
• Central junction box (cjb) (behind lower left side of dash)
• Clutch pedal position switch (behind left side of dash, above clutch pedal)
• Coast
• Fuse 10a
• Fuse 2a
• G300 (on vehicle floor, in left front footwell)
• Gnd
• Horn
• Hot at all times
• Hot in run
• Hot in start or run
• Instrument cluster
• Interior lights system
• Nca
• Off
• Pickup w/ m/t
• Powertrain control module (pcm) (left side of engine compartment)
• Rest
• Resume
• S108 (in engine control harness, near breakout for g101)
• S112 (in engine control harness, near breakout for powertrain control module)
• S115 (in engine control harness, near breakout for g101)
• S201
• S228 (excursion)
• S271
• Set/ accelerate
• Speed control indicator
• Speed ctrl ind
• Speed ctrl sw in
• Speed ctrl sw rtn
• Steering wheel/ speed control switch
• Vpwr
• Vss input
• Vss sig

6.8L

6.8L, Cruise Control Wiring Diagram for Ford F550 Super Duty 2004

List of elements for 6.8L, Cruise Control Wiring Diagram for Ford F550 Super Duty 2004:

• (in engine control harness, near breakout for g101) s115
• 306 (or 810)
• A/t
• Abs control module (at left side of engine compt)
• Accel
• Air bag sliding contact (in steering column)
• Air bag sliding contact (w/o steering wheel controls) (in steering column)
• Air conditioning system
• Brake pedal position switch (behind left side of dash, above brake pedal)
• Brake press in ground
• Brake pressure switch (on brake master cylinder)
• Brake/clutch sw in
• C218a
• C220c
• C270a
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Clutch pedal position switch (behind left side of dash, above clutch pedal)
• Coast
• Fuse 10a
• Fuse 15a
• Fuse 2a
• G108 (at right side of engine compartment)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Gnd
• Horn
• Horns system
• Hot at all times
• Hot in run
• Instrument cluster
• Interior lights system
• M/t
• Nca
• Off
• Power
• Rest
• Resume
• S108 (in engine control harness, near breakout for g101)
• S124 (w/ electronic shift on the fly)
• S180
• S201
• S218
• S228 (excursion)
• Set/
• Speed control indicator
• Speed control servo (in right side of engine compt)
• Speed ctrl ind
• Speed ctrl sw in
• Speed ctrl sw rtn
• Steering wheel/ speed control switch
• Vss input
• Vss sig
• W/ steering wheel controls

ENGINE PERFORMANCE

6.0L DIESEL

6.0L Diesel, Engine Performance Wiring Diagram (1 of 5) for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (1 of 5) for Ford F550 Super Duty 2004:

• (a/t)
• (bap) sens mon
• (behind left side of dash)
• (customer access)
• (engine control harn, near pcm breakout) (excursion) s111 (engine control harn, near c144 breakout)
• (in engine control harn, near breakout for c1047)
• (in engine control harn, near breakout for g101)
• (in fog jumper harn, near break- out for c1045)
• (in main harn, near breakout for dlc)
• (in main harn, near breakout to brake pedal support) s224
• (left rear side of engine) compt) g100
• (left side of engine compt)
• (left side of engine compt) g101
• (m/t)
• (maf) sens out
• (map) sens mon
• (not used)
• (pickup)
• (pickup) s118
• (scp) data -
• (scp) data+
• A/c clutch input
• A/c clutch rly
• A/c system
• A/t
• Abs control module
• Acc
• Apps monitor 1
• Apps monitor 2
• Apps monitor 3
• Apps ref volt 2
• Apps sig rtn 2
• Auxiliary powertrain control module (pickup) (behind left side of dash)
• Auxiliary relay box 5 (at left rear side of engine compt)
• Brake ped pos sw
• Brake pedal position (bpp) switch (behind left side of dash, above brake pedal)
• Brake press sw in
• Brake pressure switch
• C135
• C1381a
• C270h red
• Can bus 1h
• Can bus 1l
• Central junction box (behind lower left side of dash)
• Chassis gnd
• Clutch pedal position (cpp) switch (m/t) (above clutch pedal)
• Computer data lines system
• Cruise control system
• Cust acc tp sig
• Cust acc vss out
• Data link connector (dlc)
• Data output link
• Excursion
• Fuel pmp rly
• Fuel pump monitor
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse 50a
• G101
• G300 (on vehicle floor, in left front footwell)
• Gen/bat ind
• Grade/load switch (a/t)
• Grd/load sw (cpp) sw
• Hot at all times
• Injector driver module power relay
• Intk air temp sens
• Lock
• M/t
• Maf sens sig rtn
• Mass airflow (maf) sensor
• Mod prog sig
• Nca
• Off
• Overhead console
• Park brake switch (on park brake assembly)
• Park brk sw input
• Pcm power diode
• Pcm power relay
• Pickup
• Powertrain control module (pcm) (on left side of firewall)
• Pto ctrl
• Pwr
• Pwr gnd
• Pwr in
• Red
• Ref volt
• Run
• S101
• S106
• S114
• S120 (in engine control harn, near breakout for auxiliary relay box 5)
• S123
• S162
• S174
• S217
• S228
• S284
• S286
• Sig rtn
• Sig rtn spd ctrl
• Speed ctrl ind
• Speed ctrl sw in
• Start
• Start rly ctrl
• Starting/ charging system
• Starting/charging system
• Tach output
• To fuel pump relay (diagram 2 of 4)
• Vss input
• Water in fuel sens
• Water in fuel sensor (at top right side of engine)

6.0L Diesel, Engine Performance Wiring Diagram (2 of 5) for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (2 of 5) for Ford F550 Super Duty 2004:

• (at top front of engine) glow plug control module (gpcm)
• (in engine control harn, near breakout for brake pressure switch)
• (in main harn, near breakout
• (left rear side of engine compt)
• (not used)
• Accelerator pedal position sensor (on accelerator pedal support)
• Barometric absolute pressure (bap) sensor (behind left side of dash)
• C1273a
• C1273b
• C2207
• C220c
• C270a
• C270f
• C282
• Central junction box (behind lower left side of dash)
• Cooling fans system
• Ctrl set lamp
• Excursion
• For c212) s223
• From pcm a power relay (diagram 1 of 4)
• Fuel heater
• Fuel heater relay
• Fuel pump (near left side of trans- mission)
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 30a
• G100
• G100 (left rear side of engine compt)
• Glow plugs
• Glw plg 1
• Glw plg 2
• Glw plg 3
• Glw plg 4
• Glw plg 5
• Glw plg 6
• Glw plg 7
• Glw plg 8
• Hot at all times
• Hot in run or start
• Inertia fuel shut off switch (behind right side of dash)
• Instrument cluster
• Left glow plug bank
• Manifold absolute pressure (map) sensor (at right side of firewall)
• Nca
• Pcm
• Pickup
• Power in
• Red
• Right glow plug bank
• S147
• S162
• S170
• S193
• S213
• S234
• S250
• S271
• Speed
• W/o auxiliary fuel tank

6.0L Diesel, Engine Performance Wiring Diagram (3 of 5) for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (3 of 5) for Ford F550 Super Duty 2004:

• (top left rear of engine) fuel injector control module (ficm)
• C1388a
• C1388b
• C270g
• Central junction box (behind lower left side of dash)
• Fuel inj 1 gnd
• Fuel inj 1 pwr
• Fuel inj 2 gnd
• Fuel inj 2 pwr
• Fuel inj 3 gnd
• Fuel inj 3 pwr
• Fuel inj 4 gnd
• Fuel inj 4 pwr
• Fuel inj 5 gnd
• Fuel inj 5 pwr
• Fuel inj 6 gnd
• Fuel inj 6 pwr
• Fuel inj 7 gnd
• Fuel inj 7 pwr
• Fuel inj 8 gnd
• Fuel inj 8 pwr
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• Fuse 10a
• G110 (at top left side of engine)
• Hot at all times
• Nca
• Red red
• S194

6.0L Diesel, Engine Performance Wiring Diagram (4 of 5) for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (4 of 5) for Ford F550 Super Duty 2004:

• (a/t)
• (at left side of engine compt) g101
• (epc) sol 1 ctrl
• (epc) sol 2 ctrl
• (epc) sol 3 ctrl
• (epc) sol 4 ctrl
• (epc) sol 5 ctrl
• (epc) sol common
• (idm) pwr rly ctrl
• (in engine control sensor & fuel charge harn, near breakout for injector drive module)
• (in engine control sensor & fuel charge harn, near breakout for injector drive module) s196
• (iss) sens in
• (on left side of firewall)
• (oss) sens in
• (tcc) sol ctrl
• (tcil) ctrl
• (tft) sens
• (tft) sens in
• (tss) sens in
• (w/ elec- tronic shift on the fly)
• Automatic transmission 5r110
• Auxiliary relay box 5 (at left rear side of engine compt)
• C1381b
• C1388c
• Can bus 2h
• Can bus 2l
• Communication
• Cylinder id
• Drain wire
• Exterior lights system
• Fuel del com
• Fuel injector control module (ficm) (top left rear of engine)
• Fuse 15a
• Line press sol
• Logic pwr
• Neutral sw sen
• Powertrain control module (pcm)
• Pressure control solenoid
• Pressure sw 1 in
• Pressure sw 2 in
• Pressure sw 3 in
• Pressure sw 4 in
• Pressure sw 5 in
• Pwr gnd
• Pwr in
• Red
• Red red
• Ref volt
• Rev lmp rly ctrl
• Rly ctrl bat feed
• S195
• Sig rtn
• Tran range sens
• Transmission fluid temperature sensor
• Transmission range sensor (trs)

6.0L Diesel, Engine Performance Wiring Diagram (5 of 5) for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (5 of 5) for Ford F550 Super Duty 2004:

• (act) sens in
• (ckp) sens +
• (ckp) sens -
• (cmp) sens +
• (cmp) sens -
• (ebp) sens sig
• (eot) sens in
• (icp) sens sig
• (idm) comm
• (idm) cyl id
• (idm) fuel del
• (in engine con- trol sensor & fuel charge harn, near breakout for air charge temp sensor)
• (in engine control sensor & fuel charge harn, at breakout for pcm)
• (ipr) ctrl
• (lower front center of engine) camshaft position (cmp) sensor
• (lower right side of engine) crankshaft position (ckp) sensor
• (not used)
• (on throttle body) electronic throttle control motor
• (on top of transmission extension housing) output shaft speed (oss) sensor
• (top rear center of engine) injection pressure regulator
• Air charge temperature (act) sensor (center front of engine, in intake system)
• C1381c
• C281b
• Can bus 2h
• Can bus 2l
• Charge monitor
• Cool temp sens
• Cooling fans system
• Egr thrtl act
• Egr thrtl pos
• Egr val pos sen
• Egr valve act
• Egr valve actuator (at top of engine)
• Elec fan cltch
• Engine coolant temperature (ect) sensor (on front of engine)
• Engine oil temperature (eot) sensor (top right of engine)
• Exhaust back pressure sensor (left front of engine)
• Fan sig rtn
• Fan spd sig
• Four- wheel drive control module (behind right side of dash)
• Glow plug sys
• Gnd drain wire
• Injection control pressure (icp) sensor (top left rear of engine)
• Intermediate shaft
• Nca
• Powertrain control module (pcm) (on left side of firewall)
• Red
• Ref volt
• S127 (in back-up light switch to rear light feed harn, near breakout for transmission)
• S128
• S190
• S192
• S197
• Sig rtn
• Speed sensor
• Speed sensor assembly
• Starting/ charging system
• Throttle position (tps) sensor (top front of engine)
• Turbine shaft speed sensor
• Turbo vane ctrl
• Variable geometric turbo actuator

6.8L

6.8L, Engine Performance Wiring Diagram (1 of 4) for Ford F550 Super Duty 2004

List of elements for 6.8L, Engine Performance Wiring Diagram (1 of 4) for Ford F550 Super Duty 2004:

• (at left rear side of engine compt)
• (in engine control sensor & fuel charge harn, near breakout for fuel inj 5)
• (in left front footwell)
• (in main harn, near breakout for data link connector)
• (on rear of right cyl head) ignition transformer capacitor 2
• A/c press sw
• A/c system
• Acc
• Anti-theft system
• C270a
• Case gnd
• Ccs
• Central junction box (behind lower left side of dash)
• Ckp(+)
• Ckp(-)
• Coil on plug
• Cust acc 1
• Customer access
• Data link (+)
• Data link (-)
• Data link connector (dlc) (behind left side of dash)
• Data output
• Digital transmission range (dtr) sensor (on left side of transmission)
• Egr sol
• Eprom pwr
• Fuel inj 10
• Fuel pump mon
• Fuse 10a
• Fuse 20a
• Fuse 30a
• G100
• G101 (left side of eng compt)
• G300
• Hego 12
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 10
• Ign coil 5
• Ign coil 6
• Ignition transformer capacitor 1
• Knock sensor
• Lock
• Maf
• Nca
• Not used
• O/d off ind
• Off
• Overdrive cancel switch (a/t)
• Overhead console
• Pcm power diode
• Pcm power relay
• Powertrain control module (pcm) (on left side of firewall)
• Pwr gnd
• R n
• Red
• Run
• S106
• S130 (in engine control sensor & fuel charge harn, near breakout for fuel inj 9)
• S135
• S162
• S172
• S258
• S271
• S284
• S286
• Shift sol 1
• Shift sol 2
• Start
• Tcs
• Tft
• To dtr sensor (diagram 4 of 4)
• To fuel pump relay (diagram 2 of 4)
• Tr1
• Tr2
• Tr4
• Trans ctrl ind
• Transmission control switch
• Vss (-)

6.8L, Engine Performance Wiring Diagram (2 of 4) for Ford F550 Super Duty 2004

List of elements for 6.8L, Engine Performance Wiring Diagram (2 of 4) for Ford F550 Super Duty 2004:

• (at left rear side of engine compt) g100
• (at vehicle under body, chassis left side member) g400
• (behind right kick panel) inertia fuel shut-off switch
• (in engine control harn, near breakout for power- train control module)
• (part of fuel tank assembly) fuel tank unit
• C2207
• C270a
• C270f
• C270h
• C282
• C4033
• C433
• California
• Central junction box (behind lower left side of dash)
• Clutch pedal position switch (behind left side of dash, above clutch pedal)
• Crankshaft position (ckp) sensor (on lower front center of engine)
• Crankshaft position sensor shield
• Early prod
• Except pickup
• Federal
• From pcm power relay (diagram 1 of 4)
• Fuel pump relay
• Fuel tank unit (california) (at fuel tank)
• Fuse 15a
• Fuse 20a
• G101 (at left side of engine compt)
• Heated positive crankcase ventilation element (on right side valve cover)
• Hot at all times
• Hot in start
• Instrument cluster system
• Knock sensor (on right cyl head)
• Late prod
• Nca
• Pickup
• Red
• Red/pnk
• S123
• S145
• S161
• S167
• S170 (california) (in engine control harn, near break- out for brake pressure switch)
• S275
• S401
• Throttle position (tp) sensor (on throttle body)

6.8L, Engine Performance Wiring Diagram (3 of 4) for Ford F550 Super Duty 2004

List of elements for 6.8L, Engine Performance Wiring Diagram (3 of 4) for Ford F550 Super Duty 2004:

• (at rear engine compt)
• (in back-up light switch to rear light feed harn, near breakout for automatic transmission module)
• (in engine control harn, near breakout for g100)
• A/c system
• A/t
• Automatic transmission control module (on left side of transmission)
• Coast clutch solenoid
• Electronic pressure controller
• Fuel injectors
• Idle air control (iac) valve (on throttle body assembly)
• M/t
• Output shaft speed (oss) sensor (on top of transmission)
• Red
• Red/pnk
• S122
• S131 (in engine control sensor & fuel charge harn, near breakout for coil on plug 7)
• S136 (in engine control sensor & fuel charge harn, near breakout for coil on plug 3)
• S138
• S139
• Shift solenoid 1
• Shift solenoid 2
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission fluid temperature sensor
• Turbine shaft speed (tss) sensor (on top of transmission)
• Vapor management valve

6.8L, Engine Performance Wiring Diagram (4 of 4) for Ford F550 Super Duty 2004

List of elements for 6.8L, Engine Performance Wiring Diagram (4 of 4) for Ford F550 Super Duty 2004:

• (calif)
• (engine harn, near breakout for g101)
• (in engine control harn, near break- out for g101)
• (in engine control harn, near breakout for g101)
• (in engine control sensor & fuel charge harn, near breakout for coil on plug 7)
• (in left rear side of engine compt) (california) evap canister vent control solenoid
• (in tail lamps harn, near breakout for c311)
• (on right exhaust manifold)
• (right side of engine compt) speed control servo
• 21)
• 5v ref volt
• A/c cltch rly
• A/c system
• A/t
• Anti-lock brakes system
• Bpp sw
• Brake pedal position (bpp) switch (behind left side of dash, above brake pedal)
• C270a
• C270g
• Cam pos in
• Camshaft position (cmp) sensor (on front of left cyl head)
• Canister vent
• Central junction box (behind lower left side of dash)
• Cyl head temp
• Cylinder head temperature (cht) sensor
• Digital transmission range (dtr) sensor (on left side of transmission)
• Dpfe sens
• Epc sol
• Evap purge
• Excursion
• From dtr sensor (diagram 1 of 4)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 8
• Fuel inj 9
• Fuel pump ctrl
• Fuel tank press
• Fuse 10a
• G101 (left side of engine compt)
• G300 (in left front footwell)
• Heated oxygen sensor (ho2s) 11
• Heated oxygen sensor (ho2s) 12 (california) (rear of catalytic converter)
• Heated oxygen sensor (ho2s) 21 (on left exhaust manifold)
• Heater ctrl
• Hego 11
• Hego 12
• Hego 21
• Hot at all times
• Iac sol
• Ign coil 3
• Ign coil 4
• Ign coil 7
• Ign coil 8
• Ign coil 9
• Kap b(+)
• Knock sensor
• M/t
• Maf sens in
• Mass airflow (maf) sensor (in left front of engine compt)
• Nca
• Not used
• Oss
• Powertrain control module (pcm) (on left side of firewall)
• Pwr gnd
• Red
• Red/pnk
• S106
• S114
• S115
• S132
• S134
• S228
• S343
• Sig return
• Tan
• Tan/red
• Tcc sol
• Tp sens in
• Tr3a (a/t) cpp (m/t)
• Tss
• Vpwr
• Vss (+)
• Vss input

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram, M/T for Ford F550 Super Duty 2004

List of elements for Back-up Lamps Wiring Diagram, M/T for Ford F550 Super Duty 2004:

• C270a
• C270f
• Central junction box (cjb) (behind lower left side of dash)
• Chassis cab
• Fuse 15a
• G400 (at vehicle underbody, chassis left side member)
• Hot in run
• Left reversing lamp
• Parking aid module (pam) (at right kick panel)
• Reversing lamp trailer tow relay
• Reversing lamps switch (on top left side of transmission)
• Right reversing lamp
• S144 (w/ parking aid)
• S160 (near breakout for auxiliary relay box 4)
• S206
• S404
• To left tail lamps
• To right tail lamps

Exterior Lamps Wiring Diagram (1 of 2) for Ford F550 Super Duty 2004

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Ford F550 Super Duty 2004:

• (at left "c" pillar) g900
• (at left rear side of engine compartment) g100
• (center of dash)
• (except lariat) s904
• (in main harness, near breakout to brake pedal position switch) s240
• (in roof marker lamp jumper harness, near breakout for center roof marker light) s921
• (near breakout to ignition switch)
• (not used)
• Auto
• Auxiliary relay box 1 (behind left center of dash)
• Brake pedal position switch (behind left side of dash, above brake pedal)
• C202a
• C202b
• C205a
• C2113b
• C220a
• C220c
• C270a
• C270b
• Center
• Central junction box (cjb) (behind lower left side of dash)
• Driver side exterior rear view mirror
• Except lariat
• Fuse 15a
• Fuse 20a
• Fuse 30a
• G108 (at right side of engine compt)
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• G400 (at vehicle underbody, chassis left side member)
• G900 (at left "c" pillar)
• Hazard switch
• Head
• High mounted stoplamp
• Hot at all times
• Hot in run
• Indicator flasher relay
• Instrument cluster
• Interior lights system
• Lariat
• Left
• Left center
• Left front park/turn lamp
• Left front side lamp
• Left rear park/stop/ turn lamp
• Left tail lamps
• Left turn indicator
• Main light switch
• Microprocessor
• Multi-function switch
• Nca
• Off
• Park
• Park lamp relay
• Passenger side exterior rear view mirror
• Right
• Right center
• Right front park/turn lamp
• Right front side lamp
• Right rear park/stop/ turn lamp
• Right tail lamps
• Right turn indicator
• Roof marker lamps
• S102
• S104 (in engine control harness, near breakout for c192)
• S105 (in engine control harness, near breakout for c144)
• S107 (near breakout for c192)
• S180
• S206
• S207
• S214
• S215 (in main harness, near breakout to main light switch)
• S217
• S249
• S272
• S300
• S402
• S404
• S501
• S639
• S920 (lariat)
• Switch)
• Trailer electronic brake control connector
• Trailer electronic brake control connector (center of dash)
• Turn switch
• Vehicle security module (vsm) (behind left side of dash)
• W/ box
• W/ power equipment
• W/ power mirrors
• W/o box

Exterior Lamps Wiring Diagram (2 of 2) for Ford F550 Super Duty 2004

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Ford F550 Super Duty 2004:

• (at left rear side of engine compt)
• (at left side of rear bumper) trailer tow connector (4 pin)
• (at left side of rear bumper) trailer tow connector (7 pin)
• (behind left side of dash)
• (diesel)
• (f450 pickup w/
• (f450 pickup w/ box: near breakout for right rear park/stop/turn light) (except f450 pickup w/ box: near breakout for c438)
• (in taillamps harness, near breakout for c408)
• (in trailer lamp
• (near breakout for c408) s417
• (near breakout for c410)
• (near breakout for c410) s434
• (near breakout for c465)
• (near breakout for right rear park/stop/ turn light)
• (not used)
• (w/ box)
• (w/ chassis cab)
• (w/o chassis cab)
• Auxiliary relay box 4 (except diesel) (at left rear side of engine compt)
• Auxiliary relay box 5 (at left rear side of engine compt)
• Back-up lamps circuit
• Box: near breakout for c311) (except f450 pickup w/ box: near breakout for c410)
• C270b
• C270e
• C270f
• C270h
• C270j
• C270k
• Central junction box (cjb) (behind lower left side of dash)
• Diesel
• Except diesel
• F450 w/ box
• Feed harness, near breakout for c410)
• Fuse 15a
• Fuse 20a
• Fuse 30a
• G100
• G100 (at left rear side of engine compartment)
• G201
• G400 (at vehicle underbody, chassis left side member)
• Hot at all times
• Hot in run
• Left license plate lamp
• Left rear park/ stop/ turn lamp
• Left rear park/stop/ turn lamp
• Left rear side lamp 1
• Left rear side lamp 2
• Left tail lamps
• Left turn trailer tow relay
• Nca
• Rear marker lamp assembly
• Red
• Right license plate lamp
• Right rear park/stop/ turn lamp
• Right rear side lamp 1
• Right rear side lamp 2
• Right tail lamps
• Right turn trailer tow relay
• S103
• S103 (at breakout for auxiliary relay box 4)
• S121
• S137
• S162
• S265 (near breakout for g300)
• S290
• S401
• S402
• S404
• S405
• S407
• S411 (near breakout for c311)
• S412
• S413
• S416
• S417 (near breakout for c408)
• S418 (near breakout for c465)
• S419
• S430
• S431
• S432
• S433
• S463
• Trailer electronic brake control connector (center of dash)
• Trailer tow battery charge relay
• Trailer tow parking lamp relay
• Trailer tow reversing lamp relay
• W/ box
• W/ dual rear wheels
• W/ rear bumper
• W/o box
• W/o dual rear wheels
• W/o rear bumper

6.0L DIESEL

6.0L Diesel, Back-up Lamps Wiring Diagram, A/T for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Back-up Lamps Wiring Diagram, A/T for Ford F550 Super Duty 2004:

• (near breakout for left reversing light) (except f450) s426
• (not
• (not used)
• All others
• C1381b
• C270f
• C270g
• C270j
• Central junction box (cjb) (behind lower left side of dash)
• Electrochromatic inside mirror unit (if equipped)
• Excursion
• Fuse 15a
• G100 (at left rear side of engine compt)
• G400 (at vehicle underbody, chassis left side member)
• Hot at all times
• Hot in run or start
• Left reversing lamp
• Parking aid module (pam) (at right kick panel)
• Pcm power diode
• Pcm power relay
• Pick-up
• Pickup
• Powertrain control module (pcm) (left side of engine compt)
• Reversing lamp trailer tow relay
• Reversing lamps relay
• Right reversing lamp
• S144 (w/ parking aid)
• S160 (near breakout for auxiliary relay box 4)
• S162
• S404
• S426 (in rear lamp connector harness, near breakout for c405)
• To left tail lamps
• To right tail lamps
• Used)
• W/ box

6.8L

6.8L, Back-up Lamps Wiring Diagram, A/T for Ford F550 Super Duty 2004

List of elements for 6.8L, Back-up Lamps Wiring Diagram, A/T for Ford F550 Super Duty 2004:

• (excursion: in rear lamp connector harness, near breakout for c405) (pickup: in rear lamp connector harness, near breakout for left reversing light) s426
• (in rear vehicle interior harness, near breakout for parking aid module) s319
• (not used) c270j
• C270a
• C270f
• Central junction box (cjb) (behind lower left side of dash)
• Digital transmission range (dtr) sensor (on left side of transmission)
• Electrochromatic inside mirror unit
• Excursion
• Fuse 15a
• G400 (at vehicle underbody, chassis left side member)
• Hot in run
• Left reversing lamp
• Parking aid module (pam) (at right kick panel)
• Pickup w/ chassis cab
• Reversing lamp trailer tow relay
• Right reversing lamp
• S144
• S160 (in engine control harness, near breakout for auxiliary relay box 4)
• S206
• S402 (pickup w/ box & dual rear wheels)
• S404
• To left tail lamps
• To right tail lamps
• W/ parking aid

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Ford F550 Super Duty 2004

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Ford F550 Super Duty 2004:

• (6.8l) heated positive crankcase ventilation (pcv) element
• (at left rear side of engine compartment) auxiliary relay box 2
• (at left rear side of engine compt) (diesel) auxiliary relay box 5
• (at left rear side of engine compt) (except diesel) auxiliary relay box 4
• (behind lower left side of dash) central junction box (cjb)
• (diesel)
• (diesel) a/c clutch field coil
• (diesel) air filter sensor
• (diesel) dual pressure switch
• (diesel) fuel heater relay
• (diesel) fuel injector control module
• (diesel) powertrain control module (pcm)
• (except diesel)
• (except diesel) powertrain control module (pcm)
• (near breakout for injector driver module)
• A/c compressor clutch diode
• Abs control module
• Battery
• Battery 2
• Battery charge trailer tow relay
• Brake fluid level switch
• Breakout for c110)
• C1381a
• C1388c
• C175
• C270f
• C270h
• C290a
• Control harness, near breakout for left headlight)
• Crankshaft position sensor shield
• Data link connector (dlc)
• Daytime running lamps (drl) relay 1
• Daytime running lamps (drl) relay 2
• Engine compartment lamp
• Except diesel
• Except diesel, a/t
• G100 (at left rear side of engine compt)
• G101 (at left side of engine compt)
• G102 (at right side of engine compt)
• G104 (in engine compt, at right fender)
• G105 (at left front side of engine compt)
• G106 (diesel) (at right frame rail, in engine compt)
• G109 (at left side of engine)
• G200 (behind left side of dash)
• Left front fog lamp
• Left front park/ turn lamp
• Left front side lamp
• Left headlamp
• Left turn trailer tow relay
• Mass air flow (maf) sensor
• Nca
• Near breakout for g100)
• Parking lamp trailer tow relay
• Pcm power diode
• Pcm power relay
• Powertrain control module (pcm)
• Radio
• Reversing lamp trailer tow relay
• Right front fog lamp
• Right turn trailer tow relay
• S102 (in engine control harness, near breakout for g101)
• S106 (in engine control harness, near breakout for powertrain control module)
• S117 (diesel) (near break- out for powertrain control module)
• S145 (near breakout for c110)
• S161 (near crankshaft position sensor shield
• S167
• S195
• Starter relay
• Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 4) for Ford F550 Super Duty 2004

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Ford F550 Super Duty 2004:

• (behind left center of dash) auxiliary relay box 1
• (behind lower left side of dash) central junction box (cjb)
• (diesel)
• (diesel) auxiliary powertrain control module (apcm)
• (diesel: left side of engine compt) (except diesel: at left rear side of engine compt) (w/ electronic shift on the fly) auxiliary relay box 3
• (except diesel) powertrain control module (pcm)
• (not used)
• (w/ adjustable pedals)
• (w/ higher option content) ambient air temperature sensor
• 87a
• A/c clutch field coil
• Adjustable pedal switch
• Air bag sliding contact
• Brake pedal position switch
• Brake shift interlock
• C202b
• C205a
• C205b
• C218a
• C220c
• C270a
• C281a
• C290a
• C291a
• C294a
• C294b
• C294c
• Center roof marker lamp
• Data link connector (dlc)
• Diesel
• Diesel w/ higher option content
• Except diesel
• Except lariat
• Four- wheel drive control module
• Four- wheel drive switch
• Front cigar lighter
• Front function selector switch assembly
• Front heater blower motor resistor
• Fuel heater
• Fuel pump
• Fuel tank selector switch
• G108 (at right side of engine compt)
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Glove box lamp
• Harness, near breakout for g108)
• Horn
• Indicator flasher relay
• Instrument cluster
• Instrument panel power point
• Lariat
• Left center roof marker lamp
• Left roof marker lamp
• Left vanity mirror lamp
• Main light switch
• Multi- function switch
• Nca
• Near breakout for instrument cluster)
• Overhead console
• Parking aid disable switch
• Parking aid module (pam)
• Parking brake switch
• Power sliding rear window switch
• Radio
• Rear window defrost relay
• Right center roof marker lamp
• Right front park/ turn lamp
• Right front side lamp
• Right headlamp
• Right roof marker lamp
• Right vanity mirror lamp
• Roof opening panel module
• S172 (except diesel w/ low option content) (in engine control harness, near breakout for left front wheel speed sensor)
• S217 (in main harness, near breakout for instrument cluster)
• S218 (in main harness, near breakout for instrument cluster)
• S232
• S250 (m/t: at breakout for left auxiliary relay box 3) (a/t: at breakout for c1010)
• S257 (in main harness, near breakout to temperature blend door actuator)
• S290 (in main harness, near breakout to radio)
• S904
• S920 (in roof marker lamp jumper harness, near breakout for right roof marker light)
• Speed control servo
• Steering wheel/ speed control switch
• Sunload sensor
• Temperature blend door actuator
• Trailer electronic brake control connector
• Transfer case high to low relay
• Transfer case low to high relay
• Vacuum pump motor
• W/ auxiliary fuel tank
• W/ electronic shift on the fly
• W/ higher option content
• W/ power equipment
• W/ roof opening panel
• W/o roof opening panel
• Windshield washer pump motor
• Windshield wiper motor

Ground Distribution Wiring Diagram (3 of 4) for Ford F550 Super Duty 2004

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Ford F550 Super Duty 2004:

• (except california)
• (f450 diesel w/ pickup box) rear marker lamp assembly
• (in rear lamp connector harness, near breakout for c438) s402
• (not used)
• 4-pin trailer tow connector
• 7-pin trailer tow connector
• Chassis cab
• Class ii, iv w/ bumper
• Except chassis cab
• Except f450
• F450
• F450 diesel w/ pickup box
• Fuel tank unit
• G203 (under right side of dash)
• G400 (at vehicle underbody, chassis left side member)
• Left front running board lamp
• Left license plate lamp
• Left rear park/ stop/ turn lamp
• Left rear park/stop/ turn lamp
• Left rear running board lamp
• Left rear side lamp 1
• Left rear side lamp 2
• Left reversing lamp
• Nca
• Nca (california)
• Passenger air bag deactivation (pad) switch
• Pickup w/ box
• Pickup w/ box & dual rear wheels
• Pickup w/ box w/o dual rear wheels
• Pickup w/o box
• Pickup w/o box, f450 w/ 5th wheel
• Restraints control module
• Right front running board lamp
• Right license plate lamp
• Right rear park/stop/ turn lamp
• Right rear running board lamp
• Right rear side lamp 1
• Right rear side lamp 2
• Right reversing lamp
• S310 (near breakout for right rear running board light)
• S311 (in running board lamps harness, near breakout for left rear running board light)
• S401 (in taillamps harness, near breakout for g400)
• S402 (in rear lamp connector harness, near breakout for right rear park/ stop/turn light)
• S404 (in rear lamp connector harness, near breakout for c408)
• S404 (in taillamps harness, near breakout for g400)
• S432 (in trailer lamp feed harness, near breakout for c410)
• S463 (in rear license plate lamp harness, near breakout for c465)
• To left tail lamps
• To right tail lamps
• W/ rear bumper

Ground Distribution Wiring Diagram (4 of 4) for Ford F550 Super Duty 2004

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Ford F550 Super Duty 2004:

• (late production)
• (w/ crew cab) rear interior/ map lamps assembly
• (w/ power equipment) driver side front door ajar switch
• (w/ power equipment) passenger side front door ajar switch
• (w/ power equipment) vehicle security module (vsm)
• (w/ rke)
• (w/ super cab)
• (w/o power equipment)
• (w/o power equipment) driver side front door ajar switch
• (w/o rke)
• (w/o super cab)
• C2113a
• C504a
• Crew cab
• Crew cab w/ power & heated seats
• Driver side door lock switch
• Driver side exterior rear view mirror
• Driver side front heated seat relay
• Driver side front seat adjust switch
• Driver side rear door ajar switch
• Driver side seat heater switch
• Except crew cab w/ power & heated seats
• Except crew cab w/ power equipment
• Exterior rear view mirror switch
• Front interior/ map lamps assembly
• G110 (at top left side of engine)
• G900 (at left "c" pillar)
• High mounted stoplamp
• Key pad switch assembly
• Left bank fuel injector shield
• Left front seat back heater
• Master window adjust switch
• Nca
• Passenger side door lock switch
• Passenger side exterior rear view mirror
• Passenger side front door ajar switch
• Passenger side front seat adjust switch
• Passenger side rear door ajar switch
• Passenger side seat heater switch
• Right bank fuel injector shield
• Right front seat back heater
• S233 (in body main harness, near grommet for right front door)
• S300 (in body main harness, near breakout for g900)
• S301 (near breakout for driver's side seat buckle)
• S306 (w/ memory: near breakout for c327) (w/ heated seats: near breakout for c3049) (w/o heated seats: near breakout for c3007)
• S332 (w/o memory: near breakout for driver safety belt buckle switch) (w/ memory: near breakout for c315)
• S355 (w/ power seats) s335 (w/o power seats) (in passenger-driver seat jumper harness, near breakout for passenger side seat heater switch)
• S501 (in body main harness, at breakout for driver side door lock switch)
• S639 (in body main harness, at breakout for right front door entry light)
• Safety belt buckle switch
• W/ crew cab
• W/ power equipment
• W/ rke
• W/o crew cab
• W/o heated seats
• W/o power equipment

HEADLIGHTS

Autolamps Wiring Diagram, with DRL for Ford F550 Super Duty 2004

List of elements for Autolamps Wiring Diagram, with DRL for Ford F550 Super Duty 2004:

• (excursion except diesel w/ federal emissions) s124 s198 (excursion w/ california emissions & pickup)
• (excursion) (pickup)
• (in fog light jumper harness, near breakout for c1045) s100
• (in main harness, near breakout for restraints control module) s244
• (near breakout for g100)
• (on vehicle floor, in left front footwell) g300 g201 (behind left side of dash)
• 6.0l
• 87a
• Air conditioning system
• Auto
• Auxiliary relay box 2 (at left rear side of engine compt)
• C202a
• C205a
• C2113b
• C220c
• C270a
• C270b
• C270f
• C270g
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Central junction box (cjb) (behind lower left side of dash)
• Daytime running lamps (drl) relay 1
• Daytime running lamps (drl) relay 2
• Daytime running lamps (drl) resistor (on left front side of engine compt)
• Engine controls system
• Exterior lights system
• Fog
• Fog lamp illumination
• Fog lamp relay
• For c1047)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G100 (at left rear side of engine compt)
• G108 (at right side of engine compt)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Head
• Headlamp relay
• Hi-beam indicator
• Hot at all times
• Hot in run
• Hot in start or run
• Instrument cluster
• Instrument cluster system
• Left front fog lamp
• Left headlamp
• Main light switch
• Microprocessor
• Multi- function switch
• Off
• Park
• Park brake relay
• Parking brake switch (behind left side of dash, on park brake assembly)
• Pass
• Right front fog lamp
• Right headlamp
• S101
• S102
• S113
• S180
• S201
• S201 s290
• S203 (near breakout for instrument cluster)
• S214
• S217
• S272
• Sunload sensor (on top center of dash)
• Vehicle security module (vsm) (behind left side of dash)

Autolamps Wiring Diagram, without DRL for Ford F550 Super Duty 2004

List of elements for Autolamps Wiring Diagram, without DRL for Ford F550 Super Duty 2004:

• (excursion)
• (excursion) (pickup)
• (in fog light jumper harness, near breakout for c1045) s100
• (in main harness, near breakout for restraints control module)
• (near breakout for g100)
• (pickup)
• Air conditioning system
• Auto
• C202a
• C205a
• C2113b
• C220c
• C270a
• C270b
• C270f
• C270g
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Central junction box (cjb) (behind lower left side of dash)
• Exterior lights system
• Fog
• Fog lamp illumination
• Fog lamp relay
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G100 (at left rear side of engine compt)
• G108 (at right side of engine compt)
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Head
• Headlamp relay
• Hi-beam indicator
• Hot at all times
• Hot in start or run
• Instrument cluster
• Left front fog lamp
• Left headlamp
• Main light switch
• Microprocessor
• Multi-function switch
• Off
• Park
• Park on
• Pass
• Right front fog lamp
• Right headlamp
• S101
• S102
• S113
• S180
• S201
• S214
• S217
• S244
• S272
• Sunload sensor (on top center of dash)
• Vehicle security module (vsm) (behind left side of dash)

Headlamps Wiring Diagram, with DRL for Ford F550 Super Duty 2004

List of elements for Headlamps Wiring Diagram, with DRL for Ford F550 Super Duty 2004:

• (excursion except diesel w/ federal emissions) s124 s198 (excursion w/ california emissions & pickup)
• (in fog light jumper harness, near breakout for c1045) s100
• (near breakout for g100)
• 87a
• Auxiliary relay box 2 (at left rear side of engine compt)
• C202a
• C205a
• C220c
• C270a
• C270b
• C270f
• C270g
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Central junction box (cjb) (behind lower left side of dash)
• Daytime running lamps (drl) relay 1
• Daytime running lamps (drl) relay 2
• Daytime running lamps (drl) resistor (on left front side of engine compt)
• Diesel
• Engine controls system
• Exterior lights system
• Fog
• Fog lamp illumination
• Fog lamp relay
• For c1047)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G100 (at left rear side of engine compt)
• G108 (at right side of engine compt)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Head
• Hi-beam indicator
• Hot at all times
• Hot in run
• Hot in start or run
• Instrument cluster
• Instrument cluster system
• Left front fog lamp
• Left headlamp
• Main light switch
• Multi- function switch
• Off
• Park
• Park brake relay
• Parking brake switch (behind left side of dash, on park brake assembly)
• Pass
• Right front fog lamp
• Right headlamp
• S101
• S102
• S113
• S180
• S201
• S203 (near breakout for instrument cluster)
• S214
• S217
• S244 (in main harness, near breakout for restraints control module)
• S272

Headlamps Wiring Diagram, without DRL for Ford F550 Super Duty 2004

List of elements for Headlamps Wiring Diagram, without DRL for Ford F550 Super Duty 2004:

• (in fog light jumper harness, near breakout for c1045) s100
• (near breakout for g100)
• (near breakout for instrument cluster) s203
• C202a
• C205a
• C220c
• C270a
• C270b
• C270f
• C270g
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Central junction box (cjb) (behind lower left side of dash)
• Exterior lights system
• Fog
• Fog lamp illumination
• Fog lamp relay
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G100 (at left rear side of engine compt)
• G108 (at right side of engine compt)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Head
• Hi-beam indicator
• Hot at all times
• Hot in start or run
• Instrument cluster
• Left front fog lamp
• Left headlamp
• Main light switch
• Multi-function switch
• Off
• Park
• Pass
• Right front fog lamp
• Right headlamp
• S101
• S102
• S113
• S180
• S201
• S214
• S217
• S272

HORN

Horn Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Horn Wiring Diagram for Ford F550 Super Duty 2004:

• Air bag sliding contact (in steering column)
• C1381a
• C2113b
• C218a
• C270a
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Diesel
• Except diesel
• Fuse 15a
• G108 (at right side of engine compt)
• Horn (right front of vehicle)
• Horn relay
• Hot at all times
• Nca
• Powertrain control module (pcm) (left side of engine compt)
• S180
• S252 (except pickup w/o power equipment) (near breakout for air bag sliding contact)
• Signal return
• Sound system
• Speed control servo (in right side of engine compartment)
• Steering wheel/ speed control switch
• Vehicle security module (vsm) (behind left side of dash)
• W/ remote keyless entry

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Instrument Cluster Wiring Diagram for Ford F550 Super Duty 2004:

• (6.0l: left side of engine compt) (except 6.0l: on left side of firewall) powertrain control module (pcm)
• (behind left side of dash, on park brake assembly) parking brake switch
• (excursion w/ diesel, pickup w/o california emissions)
• (excursion w/ gasoline, pickup w/ california emissions)
• (in taillamps harness, near breakout for fuel tank selector valve) s400
• (left rear of cab)
• (left rear of cab) fuel tank selector valve
• (on vehicle floor, in left front footwell) g300
• 31 (or 1308)
• 4wd high ind
• 4wd low ind
• Abs ind
• Air bag ind
• Air filter ind
• Air filter sensor (diesel) (on left side of engine compartment)
• Anti-lock brakes system
• Anti-theft on ind (excursion)
• Anti-theft system
• Battery saver relay
• Brake fluid level switch (on brake fluid reservoir)
• C1381a
• C175
• C205b
• C220a
• C220b
• C220c
• C270a
• C270b
• Central junction box (cjb) (behind lower left side of dash)
• Charge ind
• Check engine ind
• Computer data lines system
• Cruise control system
• Defogger system
• Diesel
• Diesel gasoline
• Engine coolant temperature
• Excursion
• Exterior lights system
• Fuel gauge
• Fuel tank selector switch
• Fuel tank selector valve
• Fuel tank unit
• Fuse 10a
• Fuse 15a
• G100 (at left rear side of engine compartment)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Gasoline
• Headlights system
• High beam ind
• Hot at all times
• Hot in run or acc
• Hot in start or run
• Illumination (6 bulbs)
• Instrument cluster
• Interior lamps relay
• Interior lights system
• Interior lights, power windows systems
• Lh turn signal ind
• Low brake fluid level/ park brake ind
• Low oil pressure ind
• Low oil pressure/ high coolant temperature ind
• Main light switch
• Microprocessor
• Nca
• Oil pressure switch (5.4l: on left front of engine) (6.0l: top center of engine) (6.8l: lower left side of engine)
• Overhead console
• Pickup
• Powertrain control module (pcm) (left side of engine compt)
• Primary fuel sender (on fuel tank)
• Rh turn signal ind
• S102
• S201
• S208 (w/ overhead console) (in main harness, near breakout for c264)
• S217
• S254
• S271
• S278 (in main harness, at breakout for instrument cluster)
• S298 (in main harness, at breakout for instrument cluster)
• Secondary fuel sender (on fuel tank)
• Speed control ind
• Speed control servo (in right side of engine compt)
• Speedometer
• Starting/charging system
• Tachometer
• Transmission fluid temperature
• Transmissions system
• Trip computer module (on front center of roof)
• W/ auxiliary fuel tank
• W/ roof opening panel
• W/o auxiliary fuel tank
• W/o roof opening panel
• W/o roof opening panel w/ roof opening panel
• Wait to start ind (diesel)
• Warning system
• Water in fuel ind

Overhead Console Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Overhead Console Wiring Diagram for Ford F550 Super Duty 2004:

• (on vehicle floor, in left front footwell) g300
• Ambient air temperature sensor (on left front of engine compt)
• C1381a
• C175
• C270a
• Central junction box (cjb) (behind lower left side of dash)
• Computer data lines system
• Cruise control system
• Diesel gasoline
• Fuse 15a
• Hot in run
• Instrument cluster circuit
• Interior lights system
• Nca
• Overhead console
• Powertrain control module (pcm) (diesel: left side of engine compt) (gasoline: on left side of firewall)
• S172
• S201
• S206

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Ford F550 Super Duty 2004

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Ford F550 Super Duty 2004:

• Battery saver relay
• C205b
• C220a
• C220c
• C270a
• C270b
• Central junction box (cjb) (behind lower left side of dash)
• Fuse 35 10a
• Fuse 41 10a
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• Glove box lamp
• Hot at all times
• Instrument cluster
• Interior
• Interior lamps relay
• Left vanity mirror lamp
• Main light switch
• Microprocessor
• Nca
• Overhead console
• Right vanity mirror lamp
• S204 (near breakout for c264)
• S217
• S229 (near breakout for instrument cluster)
• S257
• S904
• S937 (near breakout for right vanity mirror light)
• To accessory delay relay (central junction box) (diagram 2 of 2)
• To s905 (diagram 2 of 2)
• W/ roof opening panel

Courtesy Lamps Wiring Diagram (2 of 2) for Ford F550 Super Duty 2004

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Ford F550 Super Duty 2004:

• Accessory delay relay
• C270a
• C270f
• C270j
• Central junction box (cjb) (behind lower left side of dash)
• Engine compartment lamp
• From s204 (diagram 1 of 2)
• From s229 (diagram 1 of 2)
• Front interior/map lamps assembly
• G100 (at left rear side of engine compt)
• G400 (at vehicle underbody, chassis left side member)
• G900 (at left ``c" pillar)
• High mounted stoplamp
• Interior
• Left front running board lamp
• Left rear running board lamp
• Map
• Nca
• Rear interior/map lamps assembly (crew cab)
• Right front running board lamp (except chassis cab)
• Right rear running board lamp (except chassis cab)
• S162
• S300
• S309 (near breakout for left rear running board light)
• S310 (near breakout for right rear running board light)
• S311 (near breakout for left rear running board light)
• S312 (near breakout for right rear running board light)
• S344 (in taillamps harness, near breakout for c311)
• S401
• S905 (at breakout for front interior/map light assembly)
• S906 (in body main harness, at for front interior/map light assembly)

Instrument Illumination Wiring Diagram (1 of 2) for Ford F550 Super Duty 2004

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Ford F550 Super Duty 2004:

• (6 bulbs)
• (w/ power equipped) s272
• Accessory delay relay
• Adjustable pedal switch (high option content)
• Air bag sliding contact (in steering column)
• Auto
• C205a
• C205b
• C218a
• C220c
• C270b
• C270i
• C270j
• C290a
• C294b
• Central junction box (cjb) (behind lower left side of dash)
• Circuit breaker 30a
• Driver side door lock switch
• Exterior lights system
• Four-wheel drive switch (w/ electronic shift on the fly)
• Front function selector switch assembly
• Fuse 17 15a
• Fuse 42 15a
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• G900 (at left ``c" pillar)
• Head
• Hot at all times
• Illum
• Instrument cluster
• Main light switch
• Microprocessor
• Nca
• Off
• Opening panel
• Overhead console (w/ overhead console)
• Park
• Parking aid disable switch (w/ parking aid)
• Passenger side door lock switch
• Pnk
• Power sliding rear window switch
• Radio
• S201
• S215 (near breakout to main light switch)
• S216 (in main harness, near breakout to sunload sensor)
• S217
• S218
• S232
• S290
• S297
• S302
• S501
• S639
• Steering wheel/speed control switch
• To master window adjust switch (diagram 2 of 2)
• To passenger side window adjust switch (diagram 2 of 2)
• W/ roof opening panel
• W/o crew cab
• W/o roof

Instrument Illumination Wiring Diagram (2 of 2) for Ford F550 Super Duty 2004

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Ford F550 Super Duty 2004:

• C504a
• C504b
• Crew cab
• Except crew cab
• From s297 (diagram 1 of 2)
• G900 (at left ``c" pillar)
• Left rear window adjust switch
• Master window adjust switch
• Passenger side window adjust switch
• Right rear window adjust switch
• S328 (near breakout for g300)
• S501

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Ford F550 Super Duty 2004

List of elements for Power Distribution Wiring Diagram (1 of 4) for Ford F550 Super Duty 2004:

• (at breakout for auxiliary relay box 4) s103
• (behind left side of dash) g201
• (behind lower left side of dash) central junction box (cjb)
• (diesel)
• (diesel, higher option content) s257 s290
• (except diesel)
• (except diesel) (diesel, higher option content)
• (in back-up light switch to rear light feed harness, at breakout for auxiliary relay box 3) s199
• (near breakout for abs control module) s163
• (near breakout for auxiliary relay box 1) s249
• (near breakout for data link connector) s242
• (near breakout for restraints control module) (w/ electronic shift on the fly) s230
• (near breakout to brake pedal position switch) s214
• (near breakout to main light switch) (w/ power equipment) s272
• (not used)
• A/c clutch relay
• Abs control module
• Adjustable pedal switch
• Automatic transmission
• Auxiliary relay box 1 (behind left center of dash)
• Auxiliary relay box 3 (w/ electronic shift on the fly) (except diesel: at left rear side of engine compt) (diesel: left side of engine compt)
• Auxiliary relay box 4
• Auxiliary relay box 4 (except diesel) auxiliary relay box 5 (diesel) (at left rear side of engine compt)
• Auxiliary relay box 5 (at left rear side of engine compt)
• Battery
• Battery ii (diesel)
• Brake pedal position switch
• C197b
• C202a
• C205a
• C2113b
• C270a
• C270b
• C270d
• C270e
• C270f
• C270g
• C270h
• C270i
• C270j
• C270k
• C270m
• C270p
• C281a
• C281b
• C290a
• Central junction box (cjb) (behind lower left side of dash)
• Clutch pedal position switch
• Data link connector (dlc)
• Daytime running lamps resistor (w/ drl)
• Diesel
• Digital transmission range (dtr) sensor
• Except diesel
• Exterior rear view mirror switch
• Four- wheel drive control module
• Four-wheel drive control module (w/ electronic shift on the fly)
• From a fuse 602 (diagram 1 of 4)
• From fuse 13 (diagram 1 of 4)
• From ignition switch (diagram 3 of 4)
• Front cigar lighter
• Fuel injector control module (ficm) power relay
• Fuse 1 15a
• Fuse 10 10a
• Fuse 11 20a
• Fuse 111 30a
• Fuse 114 30a
• Fuse 12 20a
• Fuse 14 15a
• Fuse 17 15a
• Fuse 18 20a
• Fuse 19 10a
• Fuse 20 10a
• Fuse 31 15a
• Fuse 34 10a
• Fuse 4 20a
• Fuse 5a
• Fuse 6 20a
• Fuse 60a
• Fuse 7 30a
• G201 (behind left side of dash)
• Indicator flasher relay
• Instrument panel power point
• Junction block
• Left turn trailer tow relay
• Main light switch
• Manual transmission
• Multi- function switch
• Nca
• Passenger side front seat adjust switch
• Radio
• Red
• Red k
• Right turn trailer tow relay
• S1000 (in battery output harness, at breakout for junction block on left fender)
• S1002 (diesel) (in battery output harness, near grommet on firewall)
• S275 (near breakout for instrument cluster)
• S290 s257
• Starter motor (lower right rear of engine)
• Starter relay
• To fuse 12 (diagram 1 of 4)
• To fuse 18 (diagram 1 of 4)
• To fuse 35 (diagram 2 of 4)
• To fusible links (diagram 2 of 4)
• Transfer case high to low relay
• Transfer case low to high relay
• Vehicle security module (vsm) (w/ remote keyless entry )
• W/ remote keyless entry

Power Distribution Wiring Diagram (2 of 4) for Ford F550 Super Duty 2004

List of elements for Power Distribution Wiring Diagram (2 of 4) for Ford F550 Super Duty 2004:

• (at breakout to positive battery terminal) s125
• (diagram 2 of 4)
• (diesel)
• (except diesel)
• (in body main harness, near breakout for g300) s289
• (in generator rectifier system cable assembly, to positive battery terminal)
• (in main harness, at breakout for instrument cluster) s254
• Battery charge trailer tow relay
• C102a
• C102c
• C1251a
• C1273a
• C1273b
• C175
• C2113b
• C220c
• C270a
• C270b
• C270c
• C270e
• C270g
• C270i
• C270k
• C270m
• C281a
• C3181a
• Central junction box (cjb) (behind lower left side of dash)
• Diesel
• Driver side door lock switch
• Driver side front heated seat module
• Driver side front seat adjust switch
• Except diesel
• Four-wheel drive control module (w/ electronic shift on the fly)
• From battery (diagram 1 of 4)
• From c fuse 111 (diagram 1 of 4)
• From fuse 112 d
• From ignition switch (diagram 3 of 4)
• Fuel heater relay (diesel)
• Fuel pump relay
• Fuel tank selector switch (w/ auxiliary fuel tank)
• Fuse 101 30a
• Fuse 102 30a
• Fuse 106 30a
• Fuse 109 30a
• Fuse 112 30a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 35 10a
• Fuse 36 10a
• Fuse 37 15a
• Fuse 40a
• Fuse 41 10a
• Fusible link e
• Fusible link h
• Generator
• Glow plug control module (gpcm)
• Horn relay
• Instrument cluster
• Nca
• Passenger side door lock switch
• Pcm power relay
• Powertrain control module (pcm)
• Rear window defrost relay
• Red
• S125 (at breakout to positive battery terminal)
• S126 (in generator rectifier system cable assembly, to positive battery terminal)
• S143
• S147 (near breakout for positive battery terminal)
• S149
• S149 (near breakout for positive battery terminal)
• S165
• S166
• Secondary generator
• Starter relay
• To fuse (diagram 2 of 4)
• To fuse (diagram 3 of 4)
• Trailer electronic brake control connector
• Vehicle security module (vsm)
• W/ remote keyless entry
• W/o remote keyless entry
• W/o super cab w/ super cab
• Windshield wiper motor

Power Distribution Wiring Diagram (3 of 4) for Ford F550 Super Duty 2004

List of elements for Power Distribution Wiring Diagram (3 of 4) for Ford F550 Super Duty 2004:

• (5.4l: near breakout for fuel injector 3) (6.8l: near breakout for fuel injector 5) s135
• (5.4l: near breakout for fuel injector 6) (6.8l: near breakout for fuel injector 9) s130
• (diesel)
• (in main harness, near breakout for instrument cluster) s271
• (in main harness, near breakout for restraints control module) s202
• (in main harness, near breakout to ignition switch) s210
• (not used)
• (w/ electronic shift on the fly)
• 5.4l
• 6.8l
• Abs control module
• Acc
• Accessory delay relay
• Auxiliary powertrain control module (apcm) (diesel)
• Auxiliary relay box 5 (at left rear side of engine compt)
• Blower motor relay
• C1388c
• C220c
• C270a
• C270c
• C270e
• C270f
• C281a
• Central junction box (cjb) (behind lower left side of dash)
• Clutch pedal position switch (diesel w/ m/t)
• Coil on plug (cop) 1
• Coil on plug (cop) 10
• Coil on plug (cop) 2
• Coil on plug (cop) 3
• Coil on plug (cop) 4
• Coil on plug (cop) 5
• Coil on plug (cop) 6
• Coil on plug (cop) 7
• Coil on plug (cop) 8
• Coil on plug (cop) 9 (6.8l)
• Diesel
• Except diesel
• Fog lamp relay
• Four- wheel drive control module
• From e fuse 115 (diagram 2 of 4)
• Fuel heater relay
• Fuel injector control module (ficm)
• Fuel injector control module (ficm) power relay
• Fuse 103 50a
• Fuse 107 40a
• Fuse 10a
• Fuse 110 50a
• Fuse 20a
• Fuse 25 10a
• Fuse 26 10a
• Fuse 30a
• Fuse 38 20a
• Fuse 39 15a
• Fuse 45 10a
• Fuse 8 15a
• Heated positive crankcase ventilation (pcv) element (6.8l)
• Ignition switch
• Ignition transformer capacitor 1
• Ignition transformer capacitor 2
• Instrument cluster
• Lock
• Nca
• Off
• Overdrive cancel switch
• Parking lamp trailer tow relay
• Passenger air bag deactivation (pad) switch
• Pcm power relay
• Restraints control module
• Reversing lamp trailer tow relay
• Reversing lamps relay (diesel)
• Run
• S224 (in main harness, near breakout to brake pedal position switch)
• S231 (near breakout for restraints control module)
• S258 (in main harness, near breakout to brake pedal position switch)
• Sta
• Start
• To fuse 27 (diagram 4 of 4)
• To fuse 31 (diagram 1 of 4)
• To fuse 33 (diagram 2 of 4)
• Tow/ haul switch

Power Distribution Wiring Diagram (4 of 4) for Ford F550 Super Duty 2004

List of elements for Power Distribution Wiring Diagram (4 of 4) for Ford F550 Super Duty 2004:

• (in daytime running light kit harness, near breakout for c1047) s198
• (in engine control harness, near breakout for g100) (except diesel w/ electronic shift on the fly or diesel w/ higher option content) s124
• (in main harness, near breakout to sunload sensor) s206
• (in main harness, near breakout to sunload sensor) s235
• (not used)
• 5.4l/6.8l
• 6.0l diesel
• Auxiliary relay box 1 (behind left center of dash)
• Auxiliary relay box 2 (w/ drl) (at left rear side of engine compartment)
• Battery charge trailer tow relay
• Blower motor relay
• Brake pressure switch
• Brake shift interlock
• C270a
• C270c
• C270h
• C294a
• Central junction box (cjb) (behind lower left side of dash)
• Diesel and gasoline w/ manual transmission
• Digital transmission range (dtr) sensor
• Driver side front heated seat relay
• Electronic shift on the fly (esof) solenoid (w/ electronic shift on the fly)
• Except diesel w/ electronic shift on the fly or diesel w/ higher option content
• From fuse 25 (diagram 3 of 4)
• From ignition switch (diagram 3 of 4)
• Front function selector switch assembly
• Fuse 10a
• Fuse 27 15a
• Fuse 2a
• Gasoline w/ automatic transmission
• Indicator flasher relay
• Nca
• Overhead console
• Park brake relay
• Parking aid module
• Rear window defrost relay
• Reversing lamps switch
• Speed control servo
• Temperature blend door actuator
• Vacuum pump motor
• W/ roof opening panel
• W/o roof opening panel

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, with Keyless Entry for Ford F550 Super Duty 2004

List of elements for Power Door Locks Wiring Diagram, with Keyless Entry for Ford F550 Super Duty 2004:

• (behind
• (in body main harness, near breakout for c340)
• (late production) key pad switch assembly
• (on top center of dash) sunload sensor
• (w/ heated seats: near breakout for c3049) (w/o heated seats: near breakout for c3007) (w/ memory: near breakout for c327)
• (w/ power equipment)
• 1/2
• 3/4
• 5/6
• 7/8
• 9/0
• Air conditioning system
• Autolamps on
• C2113a
• C2113b
• C2113c
• C270a
• C270b
• C270e
• Central junction box (cjb) (behind lower left side of dash)
• Diagnostic
• Door ajar sw
• Door lock
• Door lock out
• Door unlock
• Dr door relay
• Driver side door lock switch
• Driver side front door ajar switch (in driver's door)
• Driver side rear door ajar switch (if equipped) (if left rear door)
• Ext lamp pwr
• Exterior lights system
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G201 (behind left side of dash)
• G900 (at left "c" pillar)
• G900 (at left ``c" pillar)
• Ground
• Headlights system
• Headlmp relay
• Horn relay
• Horns system
• Hot at all times
• Interior lights system
• Key pad 1/2
• Key pad 3/4
• Key pad 7/8
• Key pad com
• Key pad illum
• Left front door lock actuator (in left front door)
• Left rear door lock actuator (if equipped) (in left rear door)
• Left side of dash) data link connector (dlc)
• Lock
• Pass- enger side door lock switch
• Passenger side door lock actuator (in passenger's door)
• Passenger side front door ajar switch (in front passenger's door)
• Passenger side rear door ajar switch (if equipped) (if right rear door)
• Pnk
• Red
• Right rear door lock actuator (if equipped) (in right rear door)
• S214
• S230 (w/ electronic shift on the fly)
• S233 (w/ power equipment)
• S247 (in body main harness, near breakout to passenger air bag module)
• S272 (w/ power equipment)
• S290
• S300
• S304
• S305
• S318 (in body main harness, near breakout for g300)
• S329 (in body main harness, near breakout for g300)
• S501
• S501 (w/ power equipment)
• S501 s300 (w/o power equipment)
• S639
• Sunload sens
• Unlock
• Vbatt
• Vehicle security module (vsm) (behind left side of dash)

Power Door Locks Wiring Diagram, without Keyless Entry for Ford F550 Super Duty 2004

List of elements for Power Door Locks Wiring Diagram, without Keyless Entry for Ford F550 Super Duty 2004:

• (in body main harness, near breakout for c340) s304
• Breakout for c327)
• C270e
• Central junction box (cjb) (behind lower left side of dash)
• Driver side door lock switch
• Fuse 30a
• G900 (at left ``c" pillar)
• Hot at all times
• Interior lights system
• Left front door lock actuator (in left front door)
• Left rear door lock actuator (w/ crew cab) (in left rear door)
• Lock
• Passenger side door lock actuator (in passenger's door)
• Passenger side door lock switch
• Pnk
• Right rear door lock actuator (w/ crew cab) (in right rear door)
• S289
• S501
• S639
• Unlock

POWER MIRRORS

Power Mirrors Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Power Mirrors Wiring Diagram for Ford F550 Super Duty 2004:

• (at left "c" pillar) g900
• (near breakout for g300) s279
• C270d
• C270j
• Central junction box (cjb) (behind lower left side of dash)
• Down
• Driver side exterior rear view mirror
• Exterior lights system
• Exterior rear view mirror switch
• Fuse 20a
• Fuse 40a
• Fuse 5a
• G900 (at left "c" pillar)
• Hot at all times
• Left
• Left mirror select
• Nca
• Passenger side exterior rear view mirror
• Rear window defrost relay
• Red
• Right
• Right mirror select
• S317 (near grommet on left side of vehicle floor)
• S501
• S639

POWER SEATS

Adjustable Pedal Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Adjustable Pedal Wiring Diagram for Ford F550 Super Duty 2004:

• 270d
• Adjustable pedal motor (in driver's footwell)
• Adjustable pedal switch (left side of dash)
• Central junction box (cjb) (behind lower left side of dash)
• Fuse 15a
• Fwd
• G201 (behind left side of dash)
• Hot at all times
• Interior lights system
• Nca
• Rwd
• S257

Driver Power Seat Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Driver Power Seat Wiring Diagram for Ford F550 Super Duty 2004:

• (w/o heated seats) s301 s332 (w/ heated seats)
• C270i
• Central junction box (cjb) (behind lower left side of dash)
• Driver side front seat adjust switch
• Except super cab
• Forward/rearward
• Front up/down
• Fuse 30a
• Fwd
• G301 (excursion) (at left "c" pillar)
• G900 (pickup) (at left "c" pillar)
• Hot at all times
• Left power seat motor assembly (in driver's seat bottom)
• Nca
• Rear up/down
• Rwd
• St dn
• St up
• Super cab

Passenger Power Seat Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Passenger Power Seat Wiring Diagram for Ford F550 Super Duty 2004:

• (excursion)
• (pickup)
• C270i
• Central junction box (cjb) (behind lower left side of dash)
• Forward/rearward
• Front up/down
• Fuse 30a
• Fwd
• G301
• G301 (at left "c" pillar)
• G900
• G900 (at left "c" pillar)
• Hot at all times
• Nca
• Passenger side front seat adjust switch
• Rear up/down
• Right power seat motor assembly
• Rwd
• St dn
• St up
• W/ heated seats
• W/ power equipped) s306 s300 (except crew cab w/ power equipped)
• W/o heated seats

POWER WINDOWS

Power Windows Wiring Diagram, Crew Cab (1 of 2) for Ford F550 Super Duty 2004

List of elements for Power Windows Wiring Diagram, Crew Cab (1 of 2) for Ford F550 Super Duty 2004:

• (excursion) (pickup)
• (in interior lamps harness, pnk near breakout for c934) s939
• (near breakout for instrument cluster)
• (not used)
• Accessory delay relay
• Battery saver relay
• C220b
• C220c
• C270a
• C270b
• C270d
• C270i
• C270j
• C504a
• C504b
• Central junction box (cjb) (behind lower left side of dash)
• Circuit breaker 601 30a
• Doors locks system
• Driver
• Driver side front power window motor (in driver's door)
• Fuse 35 10a
• Fuse 41 10a
• Fuse 42 15a (excursion)
• G301 g900 (at left ``c" pillar)
• G901 (excursion) (at rear of of vehicle roof)
• Hot at all times
• Instrument cluster
• Interior lights system
• Left power vent window motor (at left rear of vehicle)
• Left power vent window switch (excursion)
• Left rear
• Lock
• Master window adjust switch
• Microprocessor
• One- touch down
• One-touch down relay
• Passenger
• Pickup
• Pnk
• Power tops system
• Right rear
• S219
• S229
• S302
• S501
• S935
• Vpwr
• W/ power vent windows
• W/o power vent windows

Power Windows Wiring Diagram, Crew Cab (2 of 2) for Ford F550 Super Duty 2004

List of elements for Power Windows Wiring Diagram, Crew Cab (2 of 2) for Ford F550 Super Duty 2004:

• (pickup) power sliding rear window switch
• G202 (behind left side of dash)
• G901 (excursion) (at rear of vehicle roof)
• Interior lights system
• Left rear power window motor (in left rear door)
• Left rear window adjust switch
• Passenger side front power window motor (in passenger's door)
• Passenger side window adjust switch
• Pnk
• Power sliding rear window motor
• Right power vent window motor (at right rear of vehicle)
• Right power vent window switch (excursion)
• Right rear power window motor (in right rear door)
• Right rear window adjust switch
• S232
• S328 (in body main harness, near breakout for g300)
• S935

Power Windows Wiring Diagram, Except Crew Cab for Ford F550 Super Duty 2004

List of elements for Power Windows Wiring Diagram, Except Crew Cab for Ford F550 Super Duty 2004:

• (in body main harness, near breakout for g300) s297
• Accessory delay relay
• Battery saver relay
• C220b
• C220c
• C270a
• C270b
• C270d
• C270i
• Central junction box (cjb) (behind lower left side of dash)
• Circuit breaker 601 30a
• Driver
• Driver side front power window motor (in driver's door)
• Fuse 35 10a
• Fuse 41 10a
• G202 (behind left side of dash)
• G900 (at left ``c" pillar)
• Hot at all times
• Instrument cluster
• Interior lights system
• Lock
• Master window adjust switch
• Microprocessor
• One- touch down
• One-touch down relay
• Passenger
• Passenger side front power window motor (in passenger's door)
• Passenger side window adjust switch
• Pickup
• Power sliding rear window motor
• Power sliding rear window switch
• Power tops system
• S219
• S229
• S232
• S501
• Vpwr

RADIO

Radio Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Radio Wiring Diagram for Ford F550 Super Duty 2004:

• (behind left side of dash) g201
• Antenna
• C270a
• C270d
• Central junction box (cjb) (behind lower left side of dash)
• Fuse 15a
• Fuse 20a
• Fuse 5a
• G200 (behind left side of dash)
• Ground
• Hot at all times
• Hot in start
• Hot with acc delay relay energized
• Illumination
• Interior lights system
• L f spkr
• L r spkr
• Left front speaker
• Left rear speaker
• Nca
• Pnk
• R f spkr
• R r spkr
• Radio
• Right front speaker
• Right rear speaker
• S285
• S290
• Vbatt
• Vpwr

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Shift Interlock Wiring Diagram for Ford F550 Super Duty 2004:

• (excursion)
• Brake pedal position switch (behind left side of dash, above brake pedal)
• Brake shift interlock
• C270a
• Central junction box (cjb) (behind lower left side of dash)
• Fuse 27 15a
• Fuse 34 10a
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Hot at all times
• Hot in run
• S201
• S205 (near breakout to break pedal position switch)
• S206
• S218
• S228
• Solid state

STARTING/CHARGING

Starting Wiring Diagram, M/T for Ford F550 Super Duty 2004

List of elements for Starting Wiring Diagram, M/T for Ford F550 Super Duty 2004:

• Acc
• Battery
• Battery ii (diesel)
• C197a
• C197b
• C270c
• C270f
• C270f tan/red
• C270g
• Central junction box (cjb) (behind lower left side of dash)
• Clutch pedal position switch (behind left side of dash, above clutch pedal)
• Diesel
• Fuse 15a
• Fuse 30a
• Fuse 50a
• G100 (at left rear side of engine compt)
• G102 (at right side of engine compt)
• G104 (in engine compartment, at right fender)
• G106 (diesel) (at right frame rail, in engine compt)
• G109 (at left side of engine)
• Gasoline
• Hot at all times
• Ignition switch (in steering column)
• Lock
• Off
• Power distribution system
• Red
• Run
• S162
• S210
• S275 (except 6.0l)
• Sta
• Start
• Starter motor (lower right rear of engine)
• Starter relay
• Tan/ red

6.0L DIESEL

6.0L Diesel, Charging Wiring Diagram, with Dual Generators for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Charging Wiring Diagram, with Dual Generators for Ford F550 Super Duty 2004:

• Battery
• Battery ii
• C1273a
• C1273b
• C1381a
• C1381c
• C197b
• C220b
• C220c
• C270a
• Central junction box (cjb) (behind lower left side of dash)
• Charge ind
• Fuse 10a
• G102 (at right side of engine compt)
• G104 (in engine compartment, at right fender)
• G106 (at right frame rail, in engine compt)
• G109 (at left side of engine)
• Generator
• Glow plug control module (gpcm) (at top right front of engine)
• Hot in start or run
• Instrument cluster
• Power distribution system
• Powertrain control module (pcm) (left side of engine compt)
• Red
• S125
• S126
• S143
• S147
• S149
• S165
• S166
• S271
• Secondary generator
• Starter motor

6.0L Diesel, Charging Wiring Diagram, without Dual Generators for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Charging Wiring Diagram, without Dual Generators for Ford F550 Super Duty 2004:

• Battery
• Battery ii
• C1273a
• C1273b
• C197b
• C220b
• C220c
• C270a
• Central junction box (cjb) (behind lower left side of dash)
• Charge ind
• Fuse 10a
• G102 (at right side of engine compt)
• G104 (in engine compartment, at right fender)
• G106 (at right frame rail, in engine compt)
• G109 (at left side of engine)
• Generator
• Glow plug control module (gpcm) (at top right front of engine)
• Hot in start or run
• Instrument cluster
• Power distribution system
• Red
• S125
• S126
• S147
• S149
• S271
• Starter motor

6.0L Diesel, Starting Wiring Diagram, A/T for Ford F550 Super Duty 2004

List of elements for 6.0L Diesel, Starting Wiring Diagram, A/T for Ford F550 Super Duty 2004:

• (in back-up light switch to rear light feed harness, near breakout for transmission)
• Acc
• Battery
• Battery ii
• C1381a
• C1381b
• C197a
• C197b
• C270b
• C270c
• C270f
• C270g
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Fuse 15a
• Fuse 30a
• Fuse 50a
• G102 (at right side of engine compt)
• G104 (in engine compartment, at right fender)
• G106 (at right frame rail, in engine compt)
• G109 (at left side of engine)
• Hot at all times
• Ignition switch (in steering column)
• Lock
• Off
• Power distribution system
• Powertrain control module (pcm) (left side of engine compt)
• Red
• Run
• S127
• S128
• S210
• Sta
• Start
• Starter motor (lower right rear of engine)
• Starter relay
• Torqshift transmission
• Transmission range sensor

6.8L

6.8L, Charging Wiring Diagram for Ford F550 Super Duty 2004

List of elements for 6.8L, Charging Wiring Diagram for Ford F550 Super Duty 2004:

• Battery
• C102a
• C102b
• C197b
• C220b
• C220c
• C270a
• Central junction box (cjb) (behind lower left side of dash)
• Charge ind
• Fuse 10a
• G102 (at right side of engine compt)
• G104 (in engine compt, at right fender)
• Generator
• Hot in start or run
• Instrument cluster
• Power distribution system
• Red
• S125
• S126
• S149
• S271
• Starter motor

6.8L, Starting Wiring Diagram, A/T for Ford F550 Super Duty 2004

List of elements for 6.8L, Starting Wiring Diagram, A/T for Ford F550 Super Duty 2004:

• Acc
• Battery
• C197a
• C197b
• C270b
• C270c
• C270f
• C270g
• C270h
• Central junction box (cjb) (behind lower left side of dash)
• Digital transmission range (dtr) sensor (on left side of transmission)
• Fuse 15a
• Fuse 30a
• Fuse 50a
• G100 (at left rear side of engine compt)
• G102 (at right side of engine compt)
• G104 (in engine compartment, at right fender)
• Hot at all times
• Ignition switch (in steering column)
• Lock
• Off
• Power distribution system
• Red
• Run
• S162
• Sta
• Start
• Starter motor (lower right rear of engine)
• Starter relay
• Tan/ red

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Supplemental Restraints Wiring Diagram for Ford F550 Super Duty 2004:

• (in steering column)
• (under right side of dash) g203
• Air bag feed
• Air bag indicator
• Air bag return
• Air bag sliding contact
• C218b
• C220b
• C220c
• C270a
• C270c
• Central junction box (cjb) (behind lower left side of dash)
• Computer data lines system
• Driver air bag unit
• Driver safety belt retractor pretensioner (at left "b" pillar)
• Fuse 10a
• Fuse 15a
• Ground
• Hot in acc or run
• Hot in run
• Hot in run or start
• Ignition
• Indicator ctrl
• Instrument cluster
• Iso bus
• Nca
• Pad ind ctrl
• Pad input
• Passenger air bag deactivation (pad) switch
• Passenger air bag module (right side of dash)
• Passenger safety belt retractor pretensioner (under right front seat)
• Pin shorting bars engaged when harness connector is disconnected from module: (shorting bars connected between pins 3-4, 6-7 & 20-21)
• Preten feed
• Preten return
• Restraints control module (behind center of dash)
• S299 (in main harness, near breakout for restraints control module)
• Shorting bar
• Tone driver

TRANSMISSION

4WD Wiring Diagram, 4R100 for Ford F550 Super Duty 2004

List of elements for 4WD Wiring Diagram, 4R100 for Ford F550 Super Duty 2004:

• (in main harn, near break- out to brake pedal position switch)
• (in main harn, near breakout for instrument cluster) (except diesel excursion) s268
• (left side of engine compt) abs control module
• (left side of transmission) digital transmission range sensor
• (pickup)
• 4wd hi
• 4wd hi ind
• 4wd lo
• 4wd lo ind
• 4wd sw
• 87a
• Abs control module (left side of engine compt)
• Auxiliary relay box 3 (left rear side of engine compartment)
• Battery
• Bpp sw
• Brake pedal position switch (behind left side of dash, above brake pedal)
• C135
• C220b
• C270a
• C270h
• C270m
• C281a
• C281b
• C350a
• C350b
• Central junction box (lower left side of dash)
• Computer data lines system
• Data link connector (behind center of dash)
• Dtr sensor, park brake relay, gas: speed control servo, dsl: vacuum pump motor
• Electronic shift-on-the-fly (esof) solenoid (right side of engine compt)
• Enc gnd rtn
• Esof sol
• Excursion: pats module, eatc module
• Exterior lights system
• Four-wheel drive control module (behind right side of dash)
• Four-wheel drive switch
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• G300 (at floor, in left front footwell)
• Ground
• Hi to lo
• Hot at all times
• Hot in run
• Hot in run or acc
• Hot in run or start
• Hot in start
• Ign (st)
• Ign (st/run)
• Illum
• Instrument cluster
• Instrument cluster, auxiliary powertrain control module, grade/load switch, clutch pedal position switch
• Instrument cluster, windshield wiper motor, pickup: fuel tank selector switch
• Interior lights system
• Iso bus
• Lo to hi
• Mtr pos 2
• Mtr pos 3
• Mtr pos 4
• Mtr pos 5
• Neut sens
• Off
• Pickup
• Red
• Ref volt
• S124
• S199
• S201
• S205
• S225 (main harn, near break- out for instrument cluster)
• S228
• S230
• S250
• S253 (main harn, at breakout for instrument cluster)
• S254
• S255 (in backup light switch to rear light feed harn, near breakout to c1220)
• S257
• S259
• S271
• Shift sol
• Transfer case assembly
• Transfer case high to low relay
• Transfer case low to high relay
• Vehicle security module
• Vpwr
• Vss
• Vss out

4WD Wiring Diagram, Torqshift for Ford F550 Super Duty 2004

List of elements for 4WD Wiring Diagram, Torqshift for Ford F550 Super Duty 2004:

• (in main harn, near break- out to brake pedal position switch)
• (in main harn, near breakout for instrument cluster) (except diesel excursion) s268
• (pickup)
• 4wd hi
• 4wd hi ind
• 4wd lo
• 4wd lo ind
• 4wd sw
• 87a
• Abs control module (left side of engine compt)
• Auxiliary relay box 3 (left rear side of engine compartment)
• Battery
• Bpp sw
• Brake pedal position switch (behind left side of dash, above brake pedal)
• C135
• C1381b
• C220b
• C270a
• C270h
• C270m
• C281a
• C281b
• C350a
• C350b
• Central junction box (lower left side of dash)
• Computer data lines system
• Data link connector (behind center of dash)
• Dtr sensor, park brake relay, gas: speed control servo, dsl: vacuum pump motor
• Electronic shift-on-the-fly (esof) solenoid (right side of engine compt)
• Enc gnd rtn
• Esof sol
• Excursion: pats module, eatc module
• Exterior lights system
• Four-wheel drive control module (behind right side of dash)
• Four-wheel drive switch
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G201 (behind left side of dash)
• G202 (behind left side of dash)
• G300 (at floor, in left front footwell)
• Ground
• Hi to lo
• Hot at all times
• Hot in run
• Hot in run or acc
• Hot in run or start
• Hot in start
• Ign (st)
• Ign (st/run)
• Illum
• Instrument cluster
• Instrument cluster, auxiliary powertrain control module, grade/load switch, clutch pedal position switch
• Instrument cluster, windshield wiper motor, pickup: fuel tank selector switch
• Interior lights system
• Iso bus
• Lo to hi
• Mtr pos 2
• Mtr pos 3
• Mtr pos 4
• Mtr pos 5
• Neut sens
• Off
• Pickup
• Powertrain control module (left side of engine compt)
• Red
• Ref volt
• S124
• S199
• S201
• S205
• S225 (main harn, near break- out for instrument cluster)
• S228
• S230
• S250
• S253 (main harn, at breakout for instrument cluster)
• S254
• S257
• S259
• S271
• Shift sol
• Tc neut sig
• Transfer case assembly
• Transfer case high to low relay
• Transfer case low to high relay
• Vehicle security module
• Vpwr
• Vss
• Vss out

A/T Wiring Diagram, 4R100 for Ford F550 Super Duty 2004

List of elements for A/T Wiring Diagram, 4R100 for Ford F550 Super Duty 2004:

• (5.4l calif) s133
• (backup light sw to rear light feed harn, near breakout for auto trans module)
• (eng cntrl harn, near breakout for brake pressure switch)
• (eng cntrl harn, near breakout for g100 s122
• (left side of firewall) powertrain control module (pcm)
• 4r100 transmission
• Bpp sw
• Brake pedal position switch
• C175
• C270a
• C270f
• C270h
• Ccs
• Central junction box (lower left side of dash)
• Cht
• Coast clutch
• Computer data lines system
• Control solenoids
• Cylinder head temperature sender (on right cylinder head)
• Data
• Digital transmission range sensor (left side of transmission)
• Electronic automatic temperature control module, passive anti-theft transceiver module
• Electronic pressure
• Engine controls
• Epc
• Excursion
• Exterior lights system
• Four wheel drive control module, instrument cluster
• Fuse 10a
• Fuse 20a
• G100 (left rear of engine compt)
• G101 (left rear of engine compt)
• G300 (at floor, in left front footwell)
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Maf
• Mass airflow sensor (left front of engine compt)
• Nca
• Near breakout for g101)
• Oss
• Output shaft speed sensor (top of transmission extension housing)
• Overdrive cancel switch
• Pcm power diode
• Pcm power relay
• R p
• Red
• S106
• S114 (eng cntrl narn near breakout for g101)
• S123 (in eng cntrl harn, near breakout for powertrain control module)
• S132
• S138
• S139
• S162
• S170 (calif)
• S201
• S228
• S271
• Scp (+)
• Scp (-)
• Shift 1
• Shift 2
• Sig rtn
• Ss1
• Ss2
• Tcc
• Tcil
• Tcs
• Tft
• Throttle position (tp) sensor (on throttle body)
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission converter clutch
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed sensor (top of transmission at converter housing)
• Vpwr
• Vref

A/T Wiring Diagram, Torqshift (1 of 2) for Ford F550 Super Duty 2004

List of elements for A/T Wiring Diagram, Torqshift (1 of 2) for Ford F550 Super Duty 2004:

• (in engine con- trol sensor & fuel charge harn, at break- out for air charge temp sensor)
• (in engine control harn, near breakout for g101)
• (in main harn, near breakout to brake pedal position switch) s224
• (left side of engine compt)
• (left side of engine compt) g101
• (maf) sens out
• Acc
• Brake ped pos sw
• Brake pedal position (bpp) switch (behind left side of dash, above brake pedal)
• C1381a
• C1381c
• C270a
• C270h red
• Can bus 1h
• Can bus 1l
• Central junction box (behind lower left side of dash)
• Chassis gnd
• Cool temp sens
• Data link connector (dlc) (behind left side of dash)
• Egr thrtl pos
• Electronic automatic temperature control module, passive anti-theft transceiver module
• Electronic fan clutch, egr valve actuator, injection pressure regulator, glow plug control module
• Engine controls system
• Engine coolant temperature (ect) sensor (on front of engine)
• Excursion
• Four wheel drive control module, clutch pedal position switch,
• Fuse 10a
• Fuse 20a
• Fuse 30a
• G101
• G300 (on vehicle floor, in left front footwell)
• Grade/load switch
• Grd/load sw
• Hot at all times
• Hot in run or start
• Ignition switch
• Injector fuel control module, fuel heater relay
• Instrument cluster, auxiliary powertrain control module
• Intk air temp sens
• Lock
• Maf sens sig rtn
• Mass airflow (maf) sensor
• Nca
• Off
• Pcm power diode
• Pcm power relay
• Powertrain control module (pcm) (on left side of engine compt)
• Pwr gnd
• Pwr in
• Red
• Ref volt
• Run
• S101
• S106
• S108 (in engine control harn, near breakout for g101)
• S114
• S117
• S123
• S162
• S190
• S192
• S228
• S271
• Sig rtn
• Start
• Throttle position (tps) sensor (top front of engine)
• To fuel pump relay

A/T Wiring Diagram, Torqshift (2 of 2) for Ford F550 Super Duty 2004

List of elements for A/T Wiring Diagram, Torqshift (2 of 2) for Ford F550 Super Duty 2004:

• (epc) sol 1 ctrl
• (epc) sol 2 ctrl
• (epc) sol 3 ctrl
• (epc) sol 4 ctrl
• (epc) sol 5 ctrl
• (epc) sol common
• (in back-up light switch to rear light feed harn, near breakout for transmission)
• (iss) sens in
• (on left side of engine compt)
• (oss) sens in
• (tcc) sol ctrl
• (tcil) ctrl
• (tft) sens
• (tft) sens in
• (tss) sens in
• (w/ elec- tronic shift on the fly)
• C1381b
• C281b
• Exterior lights system
• Four- wheel drive control module (behind right side of dash)
• Intermediate shaft
• Line press sol
• Neutral sw sen
• Output shaft speed sensor (4wd: on top of transmission extension housing) (2wd: at transmission output shaft)
• Powertrain control module (pcm)
• Pressure control solenoid
• Pressure sw 1 in
• Pressure sw 2 in
• Pressure sw 3 in
• Pressure sw 4 in
• Pressure sw 5 in
• Pressure switch a
• Pressure switch b
• Pressure switch c
• Pressure switch d
• Pressure switch e
• Ref volt
• Rev lmp rly ctrl
• S127
• S128 (in back-up light switch to rear light feed harn, near breakout for transmission)
• S129
• Sig rtn
• Speed sensor
• Speed sensor assembly
• Torqshift automatic transmission
• Tran range sens
• Transmission fluid temperature sensor
• Transmission range sensor (trs)
• Turbine shaft speed sensor

WARNING SYSTEMS

Warning Systems Wiring Diagram, with Remote/Keyless Entry for Ford F550 Super Duty 2004

List of elements for Warning Systems Wiring Diagram, with Remote/Keyless Entry for Ford F550 Super Duty 2004:

• (at left ``c" pillar)
• (at left ``c'' pillar)
• (behind left side of dash)
• (excursion) (at left
• (excursion) g301
• (excursion, pickup w/ power equipment except crew cab) (pickup w/o power equipment) (crew cab pickup w/ power equipment)
• (pickup except crewcab w/ power equipment) (pickup crewcab w/ power equipment) (excursion, pickup w/o power equipment)
• (pickup) (at left ``c" pillar)
• (pickup) g900
• (power seat w/ heat) (power seat w/o heat)
• Air bag sliding contact (in steering column)
• Auto
• C205a
• C2113a
• C2113b
• C2113c
• C218a
• C220a
• C220b
• C220c
• C270a
• C270b
• C270e
• Central junction box (cjb) (behind lower left side of dash)
• Data link connector (dlc)
• Driver side front door ajar switch (in driver's door)
• Driver side rear door ajar switch (in left rear door)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G300 (on vehicle floor, in left front footwell)
• G301 g900 (pickup) (at left ``c" pillar) ``c" pillar)
• G900 g301 (excursion) (at left ``c" pillar)
• G901 (at rear of vehicle roof)
• Head
• Hot at all times
• Hot in run or acc
• Hot in start or run
• If equipped
• Instrument cluster
• Key warning switch
• Left liftgate ajar switch (in lower left side of liftgate)
• Main light switch
• Nca
• Off
• Park
• Passenger side front door ajar switch (in front passenger's door)
• Passenger side rear door ajar switch (in right rear door)
• Restraints control module (behind center of dash)
• Right liftgate ajar switch (in right side of liftgate)
• S201
• S214
• S230
• S233
• S247 (in main harness, near breakout to passenger air bag module)
• S254
• S271
• S300
• S300 s306
• S307 (excursion w/ memory) (in body main harness, near breakout for driver's seat module)
• S332 s301
• S415
• S440
• S501
• S639
• Safety belt buckle switch (in driver's seat belt buckle)
• Vehicle security module (vsm) (behind left side of dash)

Warning Systems Wiring Diagram, without Remote/Keyless Entry for Ford F550 Super Duty 2004

List of elements for Warning Systems Wiring Diagram, without Remote/Keyless Entry for Ford F550 Super Duty 2004:

• (at left ``c" pillar) (excursion) g301
• (crew cab w/ power equipment) s233 s501 (except crewcab w/ power equipment)
• (excursion)
• (w/o power equipment) s300
• (w/o power equipment) s300 s639 (w/ power equipment)
• Air bag sliding contact (in steering column)
• Auto
• C205a
• C2113a
• C2113b
• C2113c
• C218a
• C220a
• C220b
• C220c
• C270a
• C270b
• C270e
• Central junction box (cjb) (behind lower left side of dash)
• Data link connector (dlc) (behind left side of dash)
• Driver side front door ajar switch (in driver's door)
• Driver side rear door ajar switch (w/ crewcab) (in left rear door)
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G300 (on vehicle floor, in left front footwell)
• G301 g900 (pickup) (at left (at left ``c" pillar)
• G900 (at left ``c" pillar)
• G900 (pickup) (at left ``c" pillar)
• Head
• Hot at all times
• Hot in run or acc
• Hot in start or run
• Instrument cluster
• Key warning switch
• Main light switch
• Nca
• Off
• Park
• Passenger side front door ajar switch (in front passenger's door)
• Passenger side rear door ajar switch (w/ crewcab) (in right rear door)
• Restraints control module (behind center of dash)
• S201
• S214
• S230 (w/ electronic shift on the fly)
• S236
• S247 (in main harness, near breakout to passenger air bag module)
• S254
• S271
• S300
• S307 (excursion w/ memory) (in body main harness, near breakout for driver's seat module)
• Safety belt buckle switch (in driver's seat belt buckle)
• Vehicle security module (vsm) (behind left side of dash)
• ``c" pillar)

WIPER/WASHER

Wiper/Washer Wiring Diagram for Ford F550 Super Duty 2004

List of elements for Wiper/Washer Wiring Diagram for Ford F550 Super Duty 2004:

• (6.0l) s201 s172 (except 6.0l)
• (on top left side of firewall) windshield wiper motor
• 1. off 2. interval 1 3. interval 2 4. interval 3 5. interval 4 6. interval 5 7. low 8. high
• Abs control module (at left side of engine compartment)
• C202b
• C270a
• C270m
• Central junction box (cjb) (behind lower left side of dash)
• Cruise control system
• Fuse 106 30a
• Fuse 33 15a
• G100 (at left rear side of engine compt)
• G108 (at right side of engine compt)
• G202 (behind left side of dash)
• G300 (on vehicle floor, in left front footwell)
• Hot at all times
• Hot in run or acc
• Interval switch
• Micro- processor
• Multi-function switch
• Red
• S115 (in engine control harness, near breakout for g101)
• S162
• S180
• S218
• S254
• Solid state
• Washer switch
• Windshield washer pump motor (on right side of engine compt)
• Windshield washer relay
• Wiper high/low relay
• Wiper run/park relay