Diagram sections — 25 (67 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Heater Wiring Diagram for Ford F450 Super Duty 2004 List of elements for Heater Wiring Diagram for Ford F450 Super Duty 2004: 38 (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 F450 Super Duty 2004 List of elements for Manual A/C Wiring Diagram for Ford F450 Super Duty 2004: 90 (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 F450 Super Duty 2004 List of elements for Anti-lock Brakes Wiring Diagram for Ford F450 Super Duty 2004: 45 (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 F450 Super Duty 2004 List of elements for Forced Entry Wiring Diagram for Ford F450 Super Duty 2004: 79 (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 F450 Super Duty 2004 List of elements for Computer Data Lines Wiring Diagram for Ford F450 Super Duty 2004: 53 (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 F450 Super Duty 2004 List of elements for 6.0L, Cooling Fan Wiring Diagram for Ford F450 Super Duty 2004: 19 (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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Cruise Control Wiring Diagram for Ford F450 Super Duty 2004: 44 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 F450 Super Duty 2004 List of elements for 6.8L, Cruise Control Wiring Diagram for Ford F450 Super Duty 2004: 54 (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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (1 of 5) for Ford F450 Super Duty 2004: 112 (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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (2 of 5) for Ford F450 Super Duty 2004: 60 (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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (3 of 5) for Ford F450 Super Duty 2004: 35 (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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (4 of 5) for Ford F450 Super Duty 2004: 55 (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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Engine Performance Wiring Diagram (5 of 5) for Ford F450 Super Duty 2004: 61 (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 F450 Super Duty 2004 List of elements for 6.8L, Engine Performance Wiring Diagram (1 of 4) for Ford F450 Super Duty 2004: 80 (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 F450 Super Duty 2004 List of elements for 6.8L, Engine Performance Wiring Diagram (2 of 4) for Ford F450 Super Duty 2004: 44 (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 F450 Super Duty 2004 List of elements for 6.8L, Engine Performance Wiring Diagram (3 of 4) for Ford F450 Super Duty 2004: 28 (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 F450 Super Duty 2004 List of elements for 6.8L, Engine Performance Wiring Diagram (4 of 4) for Ford F450 Super Duty 2004: 87 (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 F450 Super Duty 2004 List of elements for Back-up Lamps Wiring Diagram, M/T for Ford F450 Super Duty 2004: 18 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 F450 Super Duty 2004 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Ford F450 Super Duty 2004: 90 (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 F450 Super Duty 2004 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Ford F450 Super Duty 2004: 92 (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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Back-up Lamps Wiring Diagram, A/T for Ford F450 Super Duty 2004: 35 (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 F450 Super Duty 2004 List of elements for 6.8L, Back-up Lamps Wiring Diagram, A/T for Ford F450 Super Duty 2004: 25 (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 F450 Super Duty 2004 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Ford F450 Super Duty 2004: 69 (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 F450 Super Duty 2004 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Ford F450 Super Duty 2004: 98 (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 F450 Super Duty 2004 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Ford F450 Super Duty 2004: 50 (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 F450 Super Duty 2004 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Ford F450 Super Duty 2004: 56 (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 F450 Super Duty 2004 List of elements for Autolamps Wiring Diagram, with DRL for Ford F450 Super Duty 2004: 70 (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 F450 Super Duty 2004 List of elements for Autolamps Wiring Diagram, without DRL for Ford F450 Super Duty 2004: 59 (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 F450 Super Duty 2004 List of elements for Headlamps Wiring Diagram, with DRL for Ford F450 Super Duty 2004: 60 (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 F450 Super Duty 2004 List of elements for Headlamps Wiring Diagram, without DRL for Ford F450 Super Duty 2004: 46 (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 F450 Super Duty 2004 List of elements for Horn Wiring Diagram for Ford F450 Super Duty 2004: 24 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 F450 Super Duty 2004 List of elements for Instrument Cluster Wiring Diagram for Ford F450 Super Duty 2004: 97 (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 F450 Super Duty 2004 List of elements for Overhead Console Wiring Diagram for Ford F450 Super Duty 2004: 19 (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 F450 Super Duty 2004 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Ford F450 Super Duty 2004: 31 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 F450 Super Duty 2004 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Ford F450 Super Duty 2004: 31 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 F450 Super Duty 2004 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Ford F450 Super Duty 2004: 60 (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 F450 Super Duty 2004 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Ford F450 Super Duty 2004: 12 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 (2 of 4) for Ford F450 Super Duty 2004 List of elements for Power Distribution Wiring Diagram (2 of 4) for Ford F450 Super Duty 2004: 83 (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 F450 Super Duty 2004 List of elements for Power Distribution Wiring Diagram (3 of 4) for Ford F450 Super Duty 2004: 80 (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 F450 Super Duty 2004 List of elements for Power Distribution Wiring Diagram (4 of 4) for Ford F450 Super Duty 2004: 42 (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 F450 Super Duty 2004 List of elements for Power Door Locks Wiring Diagram, with Keyless Entry for Ford F450 Super Duty 2004: 79 (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 F450 Super Duty 2004 List of elements for Power Door Locks Wiring Diagram, without Keyless Entry for Ford F450 Super Duty 2004: 20 (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 F450 Super Duty 2004 List of elements for Power Mirrors Wiring Diagram for Ford F450 Super Duty 2004: 25 (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 F450 Super Duty 2004 List of elements for Adjustable Pedal Wiring Diagram for Ford F450 Super Duty 2004: 12 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 F450 Super Duty 2004 List of elements for Driver Power Seat Wiring Diagram for Ford F450 Super Duty 2004: 19 (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 F450 Super Duty 2004 List of elements for Passenger Power Seat Wiring Diagram for Ford F450 Super Duty 2004: 23 (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 F450 Super Duty 2004 List of elements for Power Windows Wiring Diagram, Crew Cab (1 of 2) for Ford F450 Super Duty 2004: 49 (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 F450 Super Duty 2004 List of elements for Power Windows Wiring Diagram, Crew Cab (2 of 2) for Ford F450 Super Duty 2004: 17 (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 F450 Super Duty 2004 List of elements for Power Windows Wiring Diagram, Except Crew Cab for Ford F450 Super Duty 2004: 37 (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 F450 Super Duty 2004 List of elements for Radio Wiring Diagram for Ford F450 Super Duty 2004: 30 (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 F450 Super Duty 2004 List of elements for Shift Interlock Wiring Diagram for Ford F450 Super Duty 2004: 17 (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 F450 Super Duty 2004 List of elements for Starting Wiring Diagram, M/T for Ford F450 Super Duty 2004: 36 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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Charging Wiring Diagram, with Dual Generators for Ford F450 Super Duty 2004: 34 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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Charging Wiring Diagram, without Dual Generators for Ford F450 Super Duty 2004: 27 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 F450 Super Duty 2004 List of elements for 6.0L Diesel, Starting Wiring Diagram, A/T for Ford F450 Super Duty 2004: 38 (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 F450 Super Duty 2004 List of elements for 6.8L, Charging Wiring Diagram for Ford F450 Super Duty 2004: 22 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 F450 Super Duty 2004 List of elements for 6.8L, Starting Wiring Diagram, A/T for Ford F450 Super Duty 2004: 30 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 F450 Super Duty 2004 List of elements for Supplemental Restraints Wiring Diagram for Ford F450 Super Duty 2004: 38 (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 F450 Super Duty 2004 List of elements for 4WD Wiring Diagram, 4R100 for Ford F450 Super Duty 2004: 89 (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 F450 Super Duty 2004 List of elements for 4WD Wiring Diagram, Torqshift for Ford F450 Super Duty 2004: 89 (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 F450 Super Duty 2004 List of elements for A/T Wiring Diagram, 4R100 for Ford F450 Super Duty 2004: 81 (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 F450 Super Duty 2004 List of elements for A/T Wiring Diagram, Torqshift (1 of 2) for Ford F450 Super Duty 2004: 67 (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 F450 Super Duty 2004 List of elements for A/T Wiring Diagram, Torqshift (2 of 2) for Ford F450 Super Duty 2004: 49 (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 F450 Super Duty 2004 List of elements for Warning Systems Wiring Diagram, with Remote/Keyless Entry for Ford F450 Super Duty 2004: 67 (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 F450 Super Duty 2004 List of elements for Warning Systems Wiring Diagram, without Remote/Keyless Entry for Ford F450 Super Duty 2004: 54 (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 F450 Super Duty 2004 List of elements for Wiper/Washer Wiring Diagram for Ford F450 Super Duty 2004: 32 (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
