Diagram sections — 23 (55 total)
AIR CONDITIONING ANTI-LOCK BRAKES COMPUTER DATA LINES 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 Manual A/C Wiring Diagram, without Stripped Chassis (1 of 2) for Ford E550 Super Duty 2003 List of elements for Manual A/C Wiring Diagram, without Stripped Chassis (1 of 2) for Ford E550 Super Duty 2003: 37 (at right front of engine compt) g101 (in engine control sensor & fuel charge wiring harness, near breakout to a/c clutch solenoid) s189 (in window regulator relay switch harness, near breakout to ignition switch) s223 (left side of dash) g204 (temperature control potentiometer) 5.4l, 5.4l cng & 6.8l 7.3l di turbo diesel A/c clutch cycling pressure switch (in right front of engine compartment) A/c clutch solenoid (on lower right front of engine) A/c clutch solenoid (on top left front of engine) A/c compressor clutch diode (near front of engine) A/c high pressure switch (in right front of engine compartment) A/c on input signal C294a C294d Central junction box box (cjb) (left side of dash, near kick panel) Defrost Floor Front function selector switch assembly Front function selector switch assembly front12 Fuse 15a Hot in run Max a/c Mix Mode switch Norm a/c Off Pnk/ (in main wiring harness, near breakout to front function selector switch assembly) s203 Powertrain control module (pcm) (in left rear of engine compartment, near brake master cylinder) S111 (in engine control sensor harness, in breakout to battery junction box) S141 (in engine control sensor harness, near breakout to c139) (7.3l: in engine control sensor harness, near breakout to c1168) S143 (in engine control sensor harness, at right side of engine compartment) Temperature blend door actuator (behind right side of dash, on a/c heater plenum) To blower motor relay (diagram 2 of 2) To s400 (diagram 2 of 2) Vent Vent norm a/c Manual A/C Wiring Diagram, without Stripped Chassis (2 of 2) for Ford E550 Super Duty 2003 List of elements for Manual A/C Wiring Diagram, without Stripped Chassis (2 of 2) for Ford E550 Super Duty 2003: 47 (at left side of dash) g203 (at left side of vehicle rear end) (at left side of vehicle rear end) g400 (at right front of engine compt) g101 (in a/c blower motor wiring harness, near breakout to rear a/c blower speed relay 1) s400 (in engine control sensor harness, near breakout to c219) s122 (in interior lamps wiring harness, near breakout to interior lamp) s913 (in right rear of engine compartment) blower motor resistor (in taillamp wiring harness, near breakout to c925) s303 (not used) 87a Auxiliary blower motor (above left rear wheelwell) Auxiliary blower motor resistor assembly (above left rear wheelwell) Auxiliary blower motor switch Battery junction box (bjb) (in left front of engine compartment) Blower motor relay Blower motor switch C294b C294c C951a C951b Cutaway From s111 (diagram 1 of 2) Front blower motor (on right side of engine compartment) Front function selector switch assembly Fuse 50a G100 (at left side of engine compt) G400 High Hot at all times Illum Interior lights system Low Off Rear a/c blower speed relay 1 (in left rear corner of vehicle, above wheelwell) Rear a/c blower speed relay 2 (in left rear corner of vehicle, above wheelwell) Rear function selector switch assembly S143 (in engine control sensor harness, at right side of engine compt) S144 (in engine control sensor harness, at right side of engine compt) S202 (near breakout to front function selector switch assembly) S304 (in taillamp wiring harness, near breakout to c925) S305 (in taillamp wiring harness, near breakout to c925) S401 (in a/c blower motor wiring harness, in breakout to c405) Van & wagon W/ auxiliary a/c W/ rear control W/o rear control
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003 List of elements for Anti-lock Brakes Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003: 62 (in window regulator relay (near brake master cylinder) (under rear of vehicle, mounted on differential) rear axle speed sensor 7.3l Abs control module (at left side of engine compt) Abs warning lamp output Acc Anti-lock brake indicator Battery junction box (bjb) (in left front of engine compartment) Bpp switch input Brake fluid level switch (at left side of engine compt) Brake pedal position (bpp) switch (on bracket, above brake pedal) Brake warning indicator Brake warning lamp low C220b C220c Central junction box (cjb) (left side of dash, near kick panel) Data link conn Data link connector (dlc) (below left side of dash) Electronic crash sensor (ecs) module (behind right side of dash) Fuse 1 20a Fuse 11 15a Fuse 19 60a Fuse 2 15a G100 (at left side of engine compartment) G101 (at right front of engine compartment) G203 (at left side of dash) Ground Hot at all times Hot in run Hot in run or start Ignition switch Instrument cluster Left front sensor high Left front sensor low Left front wheel speed sensor (behind left front wheel) Lock Nca Off Parking brake switch (near left kick panel) Power Powertrain control module (pcm) Rear sensor high Rear sensor low Red/pnk Right front sensor high Right front sensor low Right front wheel speed sensor (behind right front wheel) Run S1020 S122 S125 (in engine control sensor harness, in breakout to c219) S134 (in engine control sensor harness, at left rear of engine compartment) S143 S146 S207 S213 S228 Start Switch harness, near breakout to c237) Vacuum warning switch (7.3l) (in left front of engine compartment) Vbatt
COMPUTER DATA LINES Computer Data Lines Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003 List of elements for Computer Data Lines Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003: 29 (7.3l diesel) (in engine control sensor harness, near breakout to c219) s182 (in engine control sensor harness, near breakout to c219) s184 (in window regulator relay switch harness, near breakout to c237) (7.3l diesel) s263 (left side of dash) g204 5.4l ngv Abs control module (at left side of engine compt) Acc Auxiliary powertrain control module (7.3l diesel) (behind left side of dash) Central junction box (left side of dash, near kick panel) Data link connector (dlc) (below left side of dash) Electronic crash sensor module (behind right side of dash) Fuse 20a G101 (at right front of engine compt) G204 (left side of dash) Hot at all times Ignition switch Lock Natural gas vehicle module (on left front inner fender panel) Off Powertrain control module (pcm) (in left rear of engine compt, near brake master cylinder) Run S140 S223 S228 (in window regulator relay switch harness, near breakout to c237) S229 (near breakout to ignition switch) S230 S262 (near breakout to c237) Start
CRUISE CONTROL
6.8L 6.8L, Cruise Control Wiring Diagram for Ford E550 Super Duty 2003 List of elements for 6.8L, Cruise Control Wiring Diagram for Ford E550 Super Duty 2003: 44 Accel set/ Air bag sliding contact Battery junction box (bjb) (in left front of engine compartment) Bpp sw input Brake input Brake pedal position (bpp) switch (on bracket, above brake pedal) Brake pressure switch (at left side of engine compartment) C220a C3140a Central junction box (cjb) (left side of dash, near kick panel) Coast Except stripped chassis Fuse 10a Fuse 15a G203 (at left side of dash) Ground Horn relay Horn switch Hot at all times Hot at all times Hot in run Instrument cluster Microprocessor Nca Off On indicator Overhead console Power Powertrain control module (pcm) (in left rear of engine compt, near brake master cylinder) Remote keyless entry module (behind left ``b" pillar) Resume S116 S121 (in engine control sensor harness, near breakout to c219) S129 S131 S134 (in engine control sensor harness, at left rear of engine compartment) S135 (in engine control sensor harness, near breakout to powertrain control module) S268 Scsa gnd Scsa input Speed control indicator c220c Speed control servo (left side of engine compt, near brake master cylinder) Speed control switch Vss input
7.3L DI TURBO DIESEL 7.3L DI Turbo Diesel, Cruise Control Wiring Diagram for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Cruise Control Wiring Diagram for Ford E550 Super Duty 2003: 41 Accel set/ Air bag sliding contact Battery junction box (bjb) (in left front of engine compartment) Bpp sw input Brake input Brake pedal position (bpp) switch (on bracket, above brake pedal) Brake pressure switch (at left side of engine compartment) C220a C220c C3140a Central junction box (cjb) (left side of dash, near kick panel) Coast Except stripped chassis Fuse 15a G203 (at left side of dash) Ground Horn relay Horn switch Hot at all times Hot at all times Instrument cluster Microprocessor Nca Off On indicator Overhead console Powertrain control module (pcm) (in left rear of engine compt, near brake master cylinder) Remote keyless entry module (behind left ``b" pillar) Resume S116 S129 S134 (in engine control sensor harness, at left rear of engine compartment) S135 (in engine control sensor harness, near breakout to powertrain control module) S136 (in engine control sensor harness, near breakout to powertrain control module) S139 Scsa gnd Scsa input Speed control indicator Speed control switch Vehicle speed sensor (vss) (on left side of transmission, under vehicle) Vss input
ENGINE PERFORMANCE
6.8L 6.8L, Engine Performance Wiring Diagram (1 of 4) for Ford E550 Super Duty 2003 List of elements for 6.8L, Engine Performance Wiring Diagram (1 of 4) for Ford E550 Super Duty 2003: 73 (ends in harness) (engine control harn, near breakout to fuel injector 1) (engine control harn, near breakout to fuel injector 6) (engine control harn, near breakout to mass airflow sensor) (front of left front fender) (front of right front fender) (front of right front fender) g101 4 low switch A/c on sig A/c system Battery junction box (left front of engine compt) Bus + Bus - Ccs Central junction box (behind left side of dash, near left kick panel) Ckp sens (+) Ckp sens (-) Clear tach out Coil on plug Coil on plug 1 Coil on plug 10 Coil on plug 5 Coil on plug 6 Data link connector (partial) (behind left side of dash) Digital transmission range sensor (dtr sensor) (left side of transmission) Dtr-tr1 Dtr-tr2 Dtr-tr4 Ect Egr sol Fp send unit Fuel inj 10 Fuel pump mon Fuse 10a Fuse 30a Fuse 5a G100 G101 Gen scan tool Gnd Ho2s (22) Hot at all times Hot in run or start Instrument cluster system Knock sensor Maf Mil Nca O/d off Overdrive cancel switch Pcm power diode Pcm power relay Powertrain control module (left rear of engine compt, near brake master cylinder) Pto Pwr gnd R n Radio capacitor (upper left rear of engine) Radio capacitor (upper right rear of engine) Red S110 S127 S140 S142 S161 S162 S169 Speed ctrl Ssa Ssb Tcs Tft To dtr sensor (diagram 4 of 4) Transmission control indicator lamp 6.8L, Engine Performance Wiring Diagram (2 of 4) for Ford E550 Super Duty 2003 List of elements for 6.8L, Engine Performance Wiring Diagram (2 of 4) for Ford E550 Super Duty 2003: 37 (behind upper left side of dash) g203 (or g207) (engine control harn, left rear of engine compt) (engine control harn, near breakout to 76-pin conn in left rear of engine compt) s126 (engine control harn, near breakout to coil on plug 9) (engine control harn, near breakout to pcm) (front of right front fender) (near brake master cylinder) speed control servo (speedometer/ odometer) vehicle speed input (upper left front of engine) instrumentation engine coolant temperature sensor Battery junction box (left front of engine compt) Crankshaft position sensor (lower center front of engine) Engine coolant temperature gauge Fuel pump relay Fuel tank pressure transducer sensor (near fuel tank) Fuse 30a G101 Hot at all times Instrument cluster Knock sensor (top right rear side of engine) Malfunction indicator Nca Output shaft speed sensor (on left side of transmission) Overhead console Power Red Red/pnk S133 (engine control harn, near a/c pressure cutout switch) S135 S136 (engine control harn, near a/c pressure cutout switch) S137 S138 (engine control harn, near a/c pressure cutout switch) S157 S169 S175 Throttle position sensor (top of engine, near air intake) Turbine shaft speed sensor (right side of transmission) Vss input 6.8L, Engine Performance Wiring Diagram (3 of 4) for Ford E550 Super Duty 2003 List of elements for 6.8L, Engine Performance Wiring Diagram (3 of 4) for Ford E550 Super Duty 2003: 36 (behind right kick panel) inertia fuel shut-off switch (center rear of engine compt) (engine control harn, near breakout to 4r100 transmission) (engine control harn, near breakout to coil on plug 2) (engine control harn, near breakout to fuel injector 6) (front of left front fender) g100 (or g113) (left rear of eng compt) (fuel tank harn, below left center of vehicle) s309 (in fuel tank) fuel pump module (transmission control harn, near breakout to dtr sensor) (transmission control harn, near breakout to transmission) (under vehicle, on left frame rail) (cutaways/stripped) in transit fuel pump module 4r100 transmission Coast clutch solenoid Egr vacuum regulator solenoid (top left rear of engine) Electronic pressure control solenoid Evap canister purge valve Except stripped chassis Fuel injectors Idle air control valve (top center rear of engine, near air intake) Nca Red Red/pnk S100 S102 S155 S159 S160 S307 Shift solenoid a Shift solenoid b Stripped chassis Tan Tan/ red Tan/red Torque converter clutch solenoid Transmission fluid temperature sensor 6.8L, Engine Performance Wiring Diagram (4 of 4) for Ford E550 Super Duty 2003 List of elements for 6.8L, Engine Performance Wiring Diagram (4 of 4) for Ford E550 Super Duty 2003: 65 (engine control harn, near a/c pressure cutout switch) (top front of left cylinder head) cylinder head temperature sensor (under left rear of vehicle) (except e550) evaporative emissions canister vent valve 270 ohms Brake on/off Brake pedal position switch Camshaft position sensor (left front of engine) Central junction box (behind left side of dash, near left kick panel) Cmp sensor Coil on plug 2 Coil on plug 3 Coil on plug 4 Coil on plug 7 Coil on plug 8 Coil on plug 9 Cyl head temp Digital transmission range sensor (dtr sensor) (left side of transmission) Dtr-tr3a Epc sol Evap can purge Evap sol 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 7 Fuel inj 8 Fuel inj 9 Fuel pump ctrl Fuel tank press Fuse 15a G101 (front of right front fender) Heated oxygen sensor (hos2) 11 (right rear of engine) Heated oxygen sensor (hos2) 21 (left rear of engine) Heated oxygen sensor (hos2) 22 (under center of vehicle) Heater ctrl Hego 11 Hego 21 Hego 22 Ho2s sig (11) Ho2s sig (21) Hot at all times Iac sol Kap b(+) Knock sensor Maf sens in Mass air- flow sensor (top center of engine compt) Nca Oss sensor Powertrain control module (left rear of engine compt, near brake master cylinder) Pwr gnd Red Red/pnk Ref voltage S140 Sig rtn Tan Tan/red Tcc sol Tp sens in Tss sensor Vpwr
7.3L DI TURBO DIESEL 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, California (1 of 3) for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, California (1 of 3) for Ford E550 Super Duty 2003: 86 (below left side of dash) data link connector (eng ctrl harn, left rear of engine compt) (eng ctrl sensor harness, near breakout to mass air flow sensor) (fuel inj harness) (left rear of engine compt, near brake master cylinder) powertrain control module (left side of engine compt, bottom of master cyl) (lower i/p harn, near breakout to rke data link conn) App sens Aux tach feed Auxiliary Battery junction box Brake press sw Brake warning ind Bus (+) Bus (-) C220a C220b C220c Cam pos sens Ccs sol Central junction box Deactivator switch Dlc Driveline disconn Dtr-tr1 Ebp sens Engine compartment fuse box Engine oil temperature sensor (center left side of engine) Eot Fuel heater (top center of engine) Fuel line htr Fuel pump (left rear of engine compt) Fuel pump relay Fuse 10a Fuse 15a Fuse 30a Fuse 5a G100 (front of left front fender) G100 (front of right front fender) G101 (front of right front fender) Gen pwr sw Glow plug relay Gpcm Horn/speed ctrl sw gnd Hot at all times Hot in run or start Iat Idle validation sw Idle validation switch (open at idle) (below left side of dash) Idm relay Inertia fuel shutoff switch (behind right kick panel) Injection pressure regulator (top of engine) Instrument cluster Instrument cluster system Intake air temperature sensor (center of engine compt, part of clean air tube) Mal- function indicator Mia htr rly Mil dlc Nca Not used Pcm power diode Pcm power relay Powertrain control module (behind left side of dash) Red S1013 S110 S127 S129 S140 S142 S175 S176 S180 (engine ctrl harn, above master cyl) S213 S262 S263 Shield gnd Ss1 Starting/ charging system Tcil Tcs sens Tft Vss gnd Wait to start indicator Water in fuel ind Water in fuel indicator 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, California (2 of 3) for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, California (2 of 3) for Ford E550 Super Duty 2003: 75 (engine control harn) (engine ctrl harness) (front of right front fender) (fuel inj harn, near eng oil temp sensor) (fuel injector harn) (not used) A/c A/c on sig A/c press sw Accelerator pedal position sensor (left side of dash, above accel pedal) Accl pos sens Boo sw C220a Camshaft position (cmp) sensor (front center of engine) Charge ind Cid sig Cmp rtn Cruise control Dtr-tr2 Dtr-tr4 Epc sol Epr Exhaust back pressure (ebp) sensor (top center of engine) Exhaust pressure regulator (top left rear of engine) Fuel deliv sig Fuel pump rly Fuel sender G101 G203 (behind upper left side of dash) Gen pwr sw Glow plug ctrl Icp sens Idm enable out Idm sig in Indicator ctrl Injection control pressure (icp) sensor (on top of engine) Instrument cluster Ipr sens Kapwr Manifold absolute pressure (map) sensor (top right side of engine compt) Map sens Mia htr relay Nca Not used Overdrive cancel switch Overhead console (except cutaway) Powertrain control module (left rear of engine compt, near brake master cylinder) Pwr gnd Red S1001 S1002 S120 S135 S136 S137 S138 S139 S140 S205 Sig rtn Speed ctrl sig Speedometer Starting/ charging Tcc Tcil Tcs Tr sensor Tss sens Turbine shaft speed sensor (right side of trans) Vehicle speed sensor (left side of trans) Vpwr Vref Vs sens Vss in Wait to start 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, California (3 of 3) for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, California (3 of 3) for Ford E550 Super Duty 2003: 77 (behind left side of dash) g203 (eng control harn, right frt of eng compt) (engine block) (fuel inj harn) s1007 (in fuel tank) fuel pump module (left front side of engine compt) (under vehicle, on left frame rail) (cutaways) in transit fuel pump module 4r100 transmission Air intake heater grid Brake pedal position switch (on bracket, above brake pedal) C1273a C1273b Central junction box Cid sig in Coast clutch solenoid Ctrl out Digital transmission range sensor (dtr sensor) (left side of transmission) Electronic pressure control solenoid Fuel delivery sig Fuel inj feed left Fuel inj feed right Fuel injector no1 Fuel injector no2 Fuel injector no3 Fuel injector no4 Fuel injector no5 Fuel injector no6 Fuel injector no7 Fuel injector no8 Fuse 15a Gl plug 1 Gl plug 2 Gl plug 3 Gl plug 4 Gl plug 5 Gl plug 6 Gl plug 7 Gl plug 8 Glow plug control module (top right side of engine) Gpcm Hot at all times Idm feedback sig Inj shield gnd Injector driver module Left valve cover assembly Manifold air intake heater relay (top of engine) Nca No1 No2 No3 No4 No5 No6 No7 No8 P, 2, 1 P, n, 1 P, r, 2 P, r, n Power Pwr gnd Red Right valve cover assembly S134 S191 S192 S308 S310 (fuel tank harn, below left frt of vehicle) Shift solenoid a Shift solenoid b Sig rtn Signal return Tan Tan/red Torque converter clutch solenoid Transmission fluid temperature sensor Vpwr 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, Except California (1 of 3) for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, Except California (1 of 3) for Ford E550 Super Duty 2003: 85 (below left side of dash) data link connector (eng ctrl harn, left rear of engine compt) (eng ctrl sensor harness, near breakout to mass air flow sensor) (fuel inj harness) (left rear of engine compt, near brake master cylinder) powertrain control module (left side of engine compt, bottom of master cyl) (lower i/p harn, near breakout to rke data link conn) App sens Aux tach feed Auxiliary Battery junction box Brake press sw Brake warning ind Bus (+) Bus (-) C220a C220b C220c Cam pos sens Ccs sol Central junction box Deactivator switch Dlc Driveline disconn Dtr-tr1 Ebp sens Engine compartment fuse box Engine oil temperature sensor (center left side of engine) Eot Fuel heater (top center of engine) Fuel line htr Fuel pump (left rear of engine compt) Fuel pump relay Fuse 10a Fuse 15a Fuse 30a Fuse 5a G100 (front of left front fender) G100 (front of right front fender) G101 (front of right front fender) Gen pwr sw Glow plug relay Horn/speed ctrl sw gnd Hot at all times Hot in run or start Iat Idle validation sw Idle validation switch (open at idle) (below left side of dash) Idm relay Inertia fuel shutoff switch (behind right kick panel) Injection pressure regulator (top of engine) Instrument cluster Instrument cluster system Intake air temperature sensor (center of engine compt, part of clean air tube) Mal- function indicator Mia htr rly Mil dlc Nca Not used Pcm power diode Pcm power relay Powertrain control module (behind left side of dash) Red S1013 S110 S127 S129 S140 S142 S175 S176 S180 (engine ctrl harn, above master cyl) S213 S262 S263 Shield gnd Ss1 Starting/ charging system Tcil Tcs sens Tft Vss gnd Wait to start indicator Water in fuel ind Water in fuel indicator 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, Except California (2 of 3) for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, Except California (2 of 3) for Ford E550 Super Duty 2003: 75 (engine control harn) (engine ctrl harness) (front of right front fender) (fuel inj harn, near eng oil temp sensor) (fuel injector harn) (not used) A/c A/c on sig A/c press sw Accelerator pedal position sensor (left side of dash, above accel pedal) Accl pos sens Boo sw C220a Camshaft position (cmp) sensor (front center of engine) Charge ind Cid sig Cmp rtn Cruise control Dtr-tr2 Dtr-tr4 Epc sol Epr Exhaust back pressure (ebp) sensor (top center of engine) Exhaust pressure regulator (top left rear of engine) Fuel deliv sig Fuel pump rly Fuel sender G101 G203 (behind upper left side of dash) Gen pwr sw Glow plug ctrl Icp sens Idm enable out Idm sig in Indicator crtl Injection control pressure (icp) sensor (on top of engine) Instrument cluster Ipr sens Kapwr Manifold absolute pressure (map) sensor (top right side of engine compt) Map sens Mia htr relay Nca Not used Overdrive cancel switch Overhead console (except cutaway) Powertrain control module (left rear of engine compt, near brake master cylinder) Pwr gnd Red S1001 S1002 S120 S135 S136 S137 S138 S139 S140 S205 Sig rtn Speed ctrl sig Speedometer Starting/ charging Tcc Tcil Tcs Tr sensor Tss sens Turbine shaft speed sensor (right side of trans) Vehicle speed sensor (left side of trans) Vpwr Vref Vs sens Vss in Wait to start 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, Except California (3 of 3) for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagram, Except California (3 of 3) for Ford E550 Super Duty 2003: 65 (behind left side of dash) g203 (eng control harn, right frt of eng compt) (engine block) (fuel inj harn) s1007 (in fuel tank) fuel pump module (left front side of engine compt) (under vehicle, on left frame rail) (cutaways) in transit fuel pump module 4r100 transmission Air intake heater grid Brake pedal position switch (on bracket, above brake pedal) Central junction box Cid sig in Coast clutch solenoid Digital transmission range sensor (dtr sensor) (left side of transmission) Electronic pressure control solenoid Fuel delivery sig Fuel inj feed left Fuel inj feed right Fuel injector no1 Fuel injector no2 Fuel injector no3 Fuel injector no4 Fuel injector no5 Fuel injector no6 Fuel injector no7 Fuel injector no8 Fuse 15a Glow plug relay (top right side of engine) Hot at all times Idm feedback sig Inj shield gnd Injector driver module Left valve cover assembly Manifold air intake heater relay (top of engine) Nca No1 No2 No3 No4 No5 No6 No7 No8 P, 2, 1 P, n, 1 P, r, 2 P, r, n Pwr gnd Red Right valve cover assembly S1003 (fuel injector harn, right top of engine) S1004 (fuel inj harn, left top of eng) S134 S191 S308 S310 (fuel tank harn, below left frt of vehicle) Shift solenoid a Shift solenoid b Sig rtn Signal return Tan Tan/red Torque converter clutch solenoid Transmission fluid temperature sensor Vpwr
EXTERIOR LIGHTS Backup Lamps Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003 List of elements for Backup Lamps Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003: 16 (at left side of vehicle rear end) g400 (in left front of engine compartment) battery junction box (near breakout (not used) Central junction box (left side of dash, near kick panel) Digital transmission range (dtr) sensor (on left side of transmission) E550 Except e550 Fuse 15a Hot in run Left reversing lamp Reversing lamp trailer tow relay Right reversing lamp S402 S403 (near breakout to high mounted stoplamp) S406 Exterior Lamps Wiring Diagram, without Stripped Chassis (1 of 2) for Ford E550 Super Duty 2003 List of elements for Exterior Lamps Wiring Diagram, without Stripped Chassis (1 of 2) for Ford E550 Super Duty 2003: 82 (at left rear of engine compt) s134 (ends in harness) (cutaway) (in dash panel to headlamp junction wiring harness, near breakout to g103) s165 (near breakout to c237) (near breakout to c248) s232 (not used) Anti- lock brakes system Batt Battery junction box (in left front of engine compt) Beacon lamp (dealer- fitted) Brake pedal position switch (on bracket, above brake pedal) C202a C220a C3140a Central junction box (left side of dash, near kick panel) Central junction box (left side of dash, near kick panel) Compartment) Cruise control system Cutaway E550 E550, cutaway Electronic flasher module or grote flasher module (behind left side of dash) Engine controls system Except e550 Except e550, cutaway Fuse 10a Fuse 15a Fuse 20a G100 (at left side of engine compt) G102 (at left front of vehicle) G203 (at left side of dash) G204 (left side of dash) G400 (at left side of vehicle rear end) Hazard Hazard switch Head High mounted stop lamp Hot at all times Hot in run Ign Instrument cluster Left front park/ turn lamp Left rear park/ stop/ turn lamp Left turn indicator License plate lamp Main light switch Multi- function switch Nca Normal Off Overhead console Park Red Remote keyless entry module (behind left "b" pillar) Resistor Right front park/ turn lamp Right rear park/ stop/ turn lamp Right turn indicator S122 S129 S163 S207 S217 (left side of dash) S218 S223 S226 S234 (near breakout to c311) S235 S306 (near breakout to high mounted stoplamp) S340 S402 S406 Shift inter- lock system Solid state Stop lamp relay To battery junction box (fuses 5 & 6) (digram 2 of 2) To c311) To clearance lamp relay (diagram 2 of 2) To electronic brake control connector (diagram 2 of 2) To parking lamp trailer tow relay (diagram 2 of 2) Turn left Turn right Exterior Lamps Wiring Diagram, without Stripped Chassis (2 of 2) for Ford E550 Super Duty 2003 List of elements for Exterior Lamps Wiring Diagram, without Stripped Chassis (2 of 2) for Ford E550 Super Duty 2003: 72 (at left side of engine compt) g100 (class 1) (class 2) (class 2) (class 1) (ends in harness) (in breakout to c110) (in left front of engine compt) battery junction box (in marker lamp to switch harness, near breakout to center roof marker lamp) s950 (left rear of engine compt) modified vehicle power (left side of dash) g204 (near breakout to c237) s118 (not used) Auxiliary battery relay Backup lamps circuit Battery charge trailer tow relay Battery ii Battery junction box (in left front of engine compartment) Center roof marker lamp Central junction box (left side of dash, near kick panel) Clearance lamp relay Digital transmission range (dtr) sensor (on left side of transmission) E550 Except 5.4l ngv Except 7.3l Except e550 From brake pedal position switch (diagram 1 of 2) From main light switch (diagram 1 of 2) From multi- function switch (diagram 1 of 2) Fuse 10a Fuse 15a Fuse 20a Fuse 30a Fuse 40a Fuse 5a Fuse 60a G100 (at left side of engine compartment) G100 (at left side of engine compt) G110 (on right frame rail) G204 (left side of dash) G401 g100 (except 7.3l) (at left side of (at left side of engine compt) Hot at all times Hot in run Hot in run or acc Interior lights system Left Left rear lamp assembly Left roof marker lamp Nca Parking lamp trailer tow relay Reversing lamp trailer tow relay Right Right rear lamp assembly Right roof marker lamp S108 S109 S112 S113 (except diesel) S122 S130 (in engine control sensor harness, near breakout to c237) S223 S324 S430 S431 (near breakout to c421) S432 S951 Trailer electronic brake control connector Trailer tow connector (7 pin) (class 2) (at center of vehicle rear end) Trailer tow connector (at center of vehicle rear end) Vehicle rear end) W/ auxiliary battery W/ auxiliary battery jumper W/o auxiliary battery
GROUND DISTRIBUTION Ground Distribution Wiring Diagram, without Stripped Chassis (1 of 4) for Ford E550 Super Duty 2003 List of elements for Ground Distribution Wiring Diagram, without Stripped Chassis (1 of 4) for Ford E550 Super Duty 2003: 55 (in engine control sensor harness, at right side of engine compartment) (in engine control sensor harness, in breakout to c134) (in left front of engine compartment) battery junction box (bjb) 4.2l 4.6l 5.4l cng 5.4l, 6.8l 6.8l 7.3l 7.3l diesel A/c clutch solenoid A/c compressor clutch diode Battery Battery ii Blower motor resistor Brake fluid level switch Camshaft position sensor Crankshaft position sensor shield Data link connector (dlc) Electronic crash sensor (ecs) module Except 4.2l Except 7.3l diesel Exhaust pressure regulator (epr) Fuel rail cut- off valve G101 (right front of engine compt) G107 (right side of engine compt) G110 (on right frame rail) G199 (right side of engine compt) G206 (right side of dash) G300 (center of vehicle floor) Gasoline models Intake manifold runner control (imrc) module Left video display Mass air flow (maf) sensor Natural gas vehicle (ngv) timer jumper Nca Pcm power relay Powertrain control module (pcm) Right video display Right video display) S140 (engine control sensor harn, near breakout to powertrain control module) S140 (in engine control sensor harness, near breakout to powertrain control module) S143 S169 (in engine control sensor harness, in breakout to powertrain control module) S170 S171 S189 (in engine control sensor & fuel charge wiring harness, near breakout S2005 (in breakout to c3138) S2009 (in breakout to 299) S380 (in breakout to c983) S381 (in breakout to 299) S916 (near breakout to left video display) Shield To intake manifold runner control module) Windshield washer pump motor Ground Distribution Wiring Diagram, without Stripped Chassis (2 of 4) for Ford E550 Super Duty 2003 List of elements for Ground Distribution Wiring Diagram, without Stripped Chassis (2 of 4) for Ford E550 Super Duty 2003: 74 (7.3l) (not used) (aero) (dealer- fitted) (not used) (except 7.3l) speed control servo (in fuel tank sender extension harness, in breakout to rear aft-axle fuel tank valve) s320 (in fuel tank sender wiring harness, near breakout to c1279) (in left front of engine compartment) battery junction box (bjb) (not used) (sealed beam) 5.4l cng 7.3l 7.3l diesel Anti-lock brake system control module Blower motor relay C220a C220c Clearance lamp relay Cutaway Cutaway, stripped chassis, e550 Daytime running lamps (drl) module E550 Engine coolant temperature (ect) sender Except 5.4l cng Except 7.3l Except cutaway Extended range fuel tank valve 1 Extended range fuel tank valve 2 Front aft- axle fuel tank valve Fuel pump Fuel pump module Fuel sender G100 (left side of engine compartment) G102 (left front of vehicle) G103 (right front of vehicle) G202 (left side of dash) Gas Gasoline models In-transit fuel pump module Injector driver module (idm) Instrument cluster Left front park/turn lamp Left headlamp Left rear lamp assembly Midship fuel tank valve Natural gas vehicle (ngv) module Natural gas vehicle (ngv) timer jumper Nca Others Powertrain control module (pcm) Rear aft- axle fuel tank valve Right front park/turn lamp Right headlamp Right rear lamp assembly S122 (in engine control sensor harness, near breakout to c219) S139 (in engine control sensor harness, near breakout to powertrain control module) S163 (in dash panel to headlamp junction wiring harness, near breakout to forward crash sensor) S205 (in main wiring harness, near breakout to radio) S268 (in main wiring harness, in breakout to c219) S307 (in fuel tank sender wiring harness, near breakout to fuel pump module) S308 (in fuel tank sender wiring harness, on fuel tank) S317 (in fuel tank sender wiring harness, near breakout to fuel sender) S322 (in fuel tank sender extension harness, near breakout to c3149) S324 S432 (near breakout to c421) Stop lamp relay To g203 (diagram 3 of 4) Trailer tow battery charge relay Trailer tow connector, 4-pin Trailer tow parking lamp relay Trailer tow reversing lamp relay Vacuum warning switch Vehicle speed sensor (vss) W/ extended range tank Wiper control module (wcm) Ground Distribution Wiring Diagram, without Stripped Chassis (3 of 4) for Ford E550 Super Duty 2003 List of elements for Ground Distribution Wiring Diagram, without Stripped Chassis (3 of 4) for Ford E550 Super Duty 2003: 74 (dealer- fitted) (not used) (dealer- fitted) beacon lamp (diagram 2 of 4) (in left front door window regulator harness, near breakout to master window/ (not used) (not used) (dealer- fitted) (w/ hinged side door) (w/ rear seat entertainment system) power point (w/ rse) (w/ sliding side door) memory lock module (w/o remote keyless entry) data link connector (dlc) (w/o rse) 7.3l diesel Air bag sliding contact Auxiliary powertrain control module (apcm) Brake shift interlock C2188a C220a C294b C294c C294e C3077a C3140a Center roof marker lamp Class i Console 1 power point Console 2 power point Cutaway, w/o rear entertainment system Door lock/unlock switch) Driver safety belt retractor pretensioner Driver side exterior rear view mirror Driver side front seat adjust switch E550 Electronic flasher module Ends in harness Exterior rear view mirror switch From s268 Front cigar lighter Front function selector switch assembly Front passenger window/door lock switch G203 (left side of dash) G204 (left side of dash) Instrument cluster Left center roof marker lamp Left roof marker lamp Master window/door lock/unlock switch Nca Near breakout to c3052) Near breakout to c328) Parking break switch Power point Puddle lamp relay Radio Rear seat entertainment (rse) module Remote keyless entry module Resistor Right center roof marker lamp Right roof marker lamp S202 (in main wiring harness, near breakout to front function selector switch assembly) S223 (in window regulator relay switch harness, near breakout to ignition switch) S235 (in window regulator relay switch harness, at bottom of left "b" pillar) S299 (in window regulator relay switch harness, in breakout to c3134) S315 (in seat control feed jumper harness, near breakout to c3134) S500 S951 (in marker lamp to switch harn, near breakout to right center roof marker lamp) Temperature blend door actuator To s300 (diagram 4 of 4) Trailer electronic brake control connector W/ driver's power seat W/ manual a/c W/ rear seat entertainment system W/o driver's power seat W/o rear seat entertainment system Warning buzzer/ chime module Ground Distribution Wiring Diagram, without Stripped Chassis (4 of 4) for Ford E550 Super Duty 2003 List of elements for Ground Distribution Wiring Diagram, without Stripped Chassis (4 of 4) for Ford E550 Super Duty 2003: 54 951b C2188a C3077a C311) C3140a Cargo lamp Data link connector (dlc) From s235 (diagram 3 of 4) Front interior/ map lamps assembly G200 (right side of dash) G204 (left side of dash) G301 (center of vehicle floor) G400 (left side of vehicle rear end) High mounted stoplamp Interior lamp Left rear park/stop/ turn lamp Left reversing lamp Left video display License plate lamp Nca Not used Overhead console Radio Rear a/c blower speed relay 1 Rear a/c blower speed relay 2 Rear function selector switch assembly Rear interior lamp Rear seat entertainment (rse) module Remote keyless entry module Right rear park/stop/ turn lamp Right reversing lamp Right video display S2007 (near breakout to c3053) S2008 (near breakout to c3053) S260 (in window regulator relay switch harness, near breakout to g204) S273 (in breakout to c210) S274 (near breakout to radio) S289 (near breakout to radio) S293 (near breakout to radio) S300 (in taillamp wiring harness, near breakout to c311) S401 (in a/c blower motor wiring harness, in breakout to c405) S406 (in taillamp wiring harness, at right side of vehicle rear end) S913 (in interior lamps wiring harness, near breakout to interior lamp) S915 (in interior lamps wiring harness, near breakout to c925) S920 (in interior lamps wiring harness, in breakout to right video display) S930 (in interior illumination wiring harness, in breakout to overhead console) Shield To c3138) Video cassette player W/ full headliner W/ rear seat entertainment system W/ rke W/o full headliner W/o rear seat entertainment system
HEADLIGHTS Headlights Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003 List of elements for Headlights Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003: 45 507/13 527/12 Batt Battery junction box (in left front of engine compartment) C202b C220a C220b Central junction box (left side of dash, near kick panel) Daytime running lamps (drl) module (mounted to radiator support, under a/c condenser deflector cover) Fuse 10a Fuse 15a Fuse 20a Fuse 40a G102 (at left front of vehicle) G202 (at left side of dash) G203 (at left side of dash) Gnd Head Hi beam in Hi beam ind Hot at all times Hot in run Ign Instrument cluster Left headlamp Main light switch Multi- function switch (at left side of dash) Off P v lo beam Park Pass Right headlamp S116 S131 S163 S164 (in dash panel to headlamp junction wiring harness, near breakout to daytime running lamps module) S205 S207 S218 S270 (near breakout to air bag sliding contact) S276 (in main wiring harness, under left side of dash) S277 (in main wiring harness, in breakout to multifunction switch) S278 (in main wiring harness, in breakout to multifunction switch) W/ aero headlamp W/o aero headlamp
HORN Horn Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Horn Wiring Diagram for Ford E550 Super Duty 2003: 27 (at center of dash) (near breakout to powertrain control module) s136 15a Air bag sliding contact Battery junction box (in left front of engine compt) C3140a Cruise control system Diesel Except diesel Except stripped chassis Fuse 27 G207 (w/ stripped chassis) High pitch horn Horn relay Horn switch Hot at all times Low pitch horn Nca Powertrain control module (in left rear of engine compt, near brake master cylinder) Remote keyless entry module (behind left "b" pillar) S116 S121 (in engine control sensor harness, near breakout to c219) S286 (w/ stripped chassis) Sig rtn Speed control servo (left side of engine compt, near brake master cylinder) W/ cruise control W/o cruise control
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Instrument Cluster Wiring Diagram for Ford E550 Super Duty 2003: 105 (4.6l, 5.4l, 6.8l: on lower left front of engine) (7.3l diesel: on top right center of engine) (4.2l: on left front of engine, below a/c compressor) oil pressure switch (at center of dash) (stripped chassis) g207 (at left side of engine compt) g100 (at left side of dash) g203 (conn a) (conn b) (conn c) (except stripped (stripped chassis) chassis) (at left rear of (in breakout to c134) (except stripped chassis) (except stripped chassis) (stripped chassis) (except stripped chassis) s268 (in engine control sensor harness, in breakout to c219) s125 (near breakout to c219) (except stripped chassis) s120 (stripped chassis) (near breakout to g112) (near breakout to c327) s310 (on fuel tank) (stripped chassis) 4.6l 5.4l cng A10 A11 A14 A16 Air bag ind All others Anti-lock brake ind Anti-lock brakes system B11 B12 Battery junction box (bjb) (in left front of engine compt) Brake warning ind C10 C12 C220a C220b C220c Central junction box (cjb) (left side of dash, near kick panel) Charge ind Chassis) Cruise control system Cutaway, stripped chassis Dealer- fitted Diesel Eng cool temp gauge Eng oil press gauge Engine compt) Engine controls system Engine controls system (diesel) Engine coolant temperature sender (4.2l, 4.6l: on top front center of engine) (5.4l: on lower intake manifold) (6.8l: on upper left front of engine) Engine coolant temperature sender (on lower left front of engine) Engine immobilisation indicator Except 4.6l Except 5.4l cng Except diesel Exterior lights system Fuel pump module (under vehicle, in fuel tank) Fuse 10a Fuse 15a Fuse 5a G203 (except stripped chassis) (at left side of dash) G203 (left side of dash) G207 (stripped chassis) (at center of dash) Gas Ground Headlights system Hi beam ind Hot at all times Hot in start or run Illumination In-line fuse (behind left side of dash) In-transit fuel pump module (under vehicle, on left frame rail) Instrument cluster Interior lights system Left turn ind Low fuel ind, fuel gauge Low oil pressure/ high coolant temperature Malfunction ind lamp (mil) Microprocessor Natural gas vehicle module (on left front inner fender panel) Nca Parking brake switch (near left kick panel) Power Red Right turn ind S122 S133 S146 (except stripped chassis) S175 S207 s284 (stripped chassis) S207 s286 S213 (near breakout to instrument cluster) S268 S284 (stripped chassis) S287 S308 Safety belt ind Seat belt lamp Speed control ind Speedometer Vaccum warning switch (7.3l) (in left front of engine compt) Vans/wagons Voltmeter Wait to start ind Warning system Warning system (stripped chassis) Water in fuel ind Overhead Console Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Overhead Console Wiring Diagram for Ford E550 Super Duty 2003: 18 (not Ambient air temperature sensor (left front of engine compt) Central junction box (cjb) (left side of dash, near kick panel) Fuse 15a G204 (left side of dash) Hot at all times Hot in run or acc Main light switch (behind left side of dash) head Nca Off Overhead console Park S206 S245 (except stripped chassis) S930 Transmissions system Used) Vpwr
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Courtesy Lamps Wiring Diagram for Ford E550 Super Duty 2003: 14 (in window regulator relay switch harness, near breakout to c248) s231 Central junction box (left side of dash, near kick panel) Ends in harness Exterior lights system Fuse 15a Hot at all times Interior Left front door ajar switch Main light switch Nca Red/ pnk Right front door ajar switch S221 Warning systems Courtesy Lamps Wiring Diagram, Dealer Installed for Ford E550 Super Duty 2003 List of elements for Courtesy Lamps Wiring Diagram, Dealer Installed for Ford E550 Super Duty 2003: 15 (in window regulator relay switch harness, near breakout to c3052) s247 (not used) Central junction box (left side of dash, near kick panel) Ends in harness Fuse 15a Hot at all times Interior Left front door ajar switch Main light switch Nca Red/ pnk Right front door ajar switch S221 S231 (in window regulator relay switch harness, near breakout to c248) Warning systems Instrument Illumination Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Instrument Illumination Wiring Diagram for Ford E550 Super Duty 2003: 44 (5) bulbs (ends in harness) (not used) (w/ rse) Air bag sliding contact C2188a C218b C220a C294e C3077a C951b Central junction box (left side of dash, near kick panel) Cutaway Dimmer Except cutaway Except stripped chassis Front function selector switch assembly (w/ manual a/c) Fuse 20a Fuse 5a G203 (at left side of dash) G207 (at center of dash) Head Hot at all times I/p lamp feed Ign Illumination Instrument cluster Instrument cluster, warning system Main light switch Nca Off Park Radio Rear function selector switch assembly Rear seat entertainment module (in floor console) S202 S207 S212 (in main wiring harness, near breakout to instrument cluster) S218 S284 Side marker lamps Speed control switch Stripped chassis W/ rear seat entertainment system
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Ford E550 Super Duty 2003 List of elements for Power Distribution Wiring Diagram (1 of 5) for Ford E550 Super Duty 2003: 86 module (gpcm) (e550 : in engine control sensor harness, near breakout to battery junction box) (5.4l ngv: in engine control sensor harness, near breakout to c219) s183 (ends in harness) (except stripped (except stripped chassis) s225 s280 (in breakout to battery junction box) s101 (in engine control sensor harness, in breakout to abs control module) (in engine control sensor harness, in breakout to battery junction box) s116 (in engine control sensor harness, near breakout to c219) s115 (in fuel charge wiring harness, near breakout to glow plug control module) s192 (in fuel charge wiring harness, near breakout to manifold intake air heater relay) (in starter relay to fuse junction panel harness, in breakout to starter relay) (in window regulator relay switch harness, near breakout to c248) s254 (in window regulator relay switch harness, w/o rse: near breakout to central jb) w/ rse: near breakout to c237) 5.4l ngv A/c clutch relay Abs control module Battery Battery 2 (diesel) Battery junction box (bjb) (in left front of engine compt) Blower motor relay Breakout to c237) (stripped chassis: in breakout to ignition switch) C1273a C1273b C3140b California Central junction box (cjb) (left side of dash, near kick panel) Chassis: near Clearance lamp relay (e550) Console 1 power point (w/ rear seat entertainment system) Console 2 power point (w/ rear seat entertainment system) Cutaway Daytime running lamps (drl) module E550 Except california Except cutaway Except stripped chassis From a fuse 15 (diagram 1 of 5) Fuel pump relay Fuse Fuse 10a Fuse 15a Fuse 20a Fuse 20a (e550) Fuse 30a Fuse 30a (diesel) Fuse 40a Fuse 50a Fuse 60a Fused battery feed Generator Glow plug control Glow plug relay Horn relay Injector driver module (idm) power relay Main light switch Manifold intake air heater relay Modified vehicle power Natural gas vehicle (ngv) module Nca Power point (except cutaway) Rear a/c blower speed relay 1 Red Remote keyless entry Remote keyless entry module S1008 S1010 (in alternator rectifier system wiring harness, in breakout to battery junction box) S1011 (in alternator rectifier system wiring harness, in breakout to battery junction box) S1012 (7.3l di turbo disel) (in alternator to starter motor solenoid harness, near breakout to starter relay) S1020 S178 (7.3l di turbo disel) (in alternator rectifier system wiring harness, in breakout to c1282) S187 (in fuel charge wiring harness, near breaqkout to starter relay) S191 S233 S235 S257 (in window regulator relay switch harness, near breakout to c311) S266 Secondary generator (diesel) Starter motor Starter relay Stripped chassis To fuse 17 (diagram 1 of 5) To fuse 9 (diagram 2 of 5) To ignition switch (diagram 3 of 5) Trailer electronic brake control connector W/ rse Power Distribution Wiring Diagram (2 of 5) for Ford E550 Super Duty 2003 List of elements for Power Distribution Wiring Diagram (2 of 5) for Ford E550 Super Duty 2003: 85 (in breakout to battery junction box) (in engine control sensor harness, near breakout to c237) (except stripped chassis, cutaway) s129 (in left front door window regulator harness, near breakout to master window/door lock/unlock switch) s506 (in main wiring harness, in breakout to c219) s218 (in main wiring harness, near breakout to c219) (stripped chassis, cutaway) s2020 (in main wiring harness, under left side of dash) s276 (in window regulator relay switch harness, near breakout to c248) (in window regulator relay switch harness, near breakout to ignition switch) s227 (in window regulator relay switch harness, near breakout to ignition switch) s230 (not used) (stripped chassis: in engine 1.2 mh Aux battery Auxiliary battery relay Batt Battery 2 Battery charge trailer tow relay Battery junction box (bjb) (in left front of engine compt) Brake pedal position switch Brake pressure switch Breakout to battery junction box) C202a C202b C2188a C220a C3077a C3140a Central junction box (cjb) (left side of dash, near kick panel) Control Data link connector (dlc) Dealer- fitted Driver side front seat adjust switch Electronic crash sensor (ecs) module Except stripped chassis Except stripped chassis, cutaway Exterior rear view mirror switch From b fuse 12 (diagram 1 of 5) Front cigar lighter Front passenger window/ door lock switch Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse 30a Fuse 40a 60a Fuse 5a Fuse 60a G203 (left side of dash) Hinged side door Instrument cluster Main light switch Master window/ door lock/ unlock switch Memory lock module (sliding side door) Multi- function switch Nca Near kick panel) Off Parking lamp trailer tow relay Pcm power relay Power choke 1 Power point Powertrain control module (pcm) Radio Rear doors door lock switch Rear seat entertainment (rse) module Red Remote keyless entry module Reversing lamp trailer tow relay Rke only Rse system S108 S109 (in engine control sensor harness, in breakout to battery junction box) S110 (in engine control sensor harness, in breakout to battery junction box) S148 S175 (except stripped chassis : in engine control sensor harness, in sensor harness, near breakout to c219) S207 S237 Stop lamp relay Stripped chassis To fuse 4 (diagram 5 of 5) Video cassette player W/ remote keyless entry W/o aux battery W/o remote keyless entry W/o rse system Power Distribution Wiring Diagram (3 of 5) for Ford E550 Super Duty 2003 List of elements for Power Distribution Wiring Diagram (3 of 5) for Ford E550 Super Duty 2003: 70 (behind left side of dash) in-line fuse (dealer- fitted) (ends in harness) (in engine control sensor harness, in breakout to battery junction box) s113 (in engine control sensor harness, near breakout to c237) (except stripped chassis) s131 (in interior illumination wiring harness, near breakout to c934) s900 (in interior lamps wiring harness, near breakout to interior lamp) s912 (in main wiring harness, near breakout to c219) (stripped chassis) s282 (near breakout to overdrive cancel switch) s281 s229 (near breakout to ignition switch) (not used) (stripped chassis) (except stripped chassis) A/c demand signal Abs control module Acc Auxiliary battery Auxiliary battery relay Auxiliary powertrain control module (apcm) (diesel) Brake shift interlock Breakout to front function selector switch assembly) s203 C202a C220a C294a Cargo lamp Central junction box (cjb) (left side of dash, near kick panel) Daytime running lamps (drl) module Dealer fitted Dealer- fitted Digital transmission range (dtr) sensor Electronic crash sensor (ecs) module Except stripped chassis From fuse 4 j (diagram 5 of 5) From splice s225 c (diagram 1 of 5) From splice s225 d (diagram 1 of 5) Front function selector switch assembly Front interior/ map lamps assembly (wagon) Full headliner Fuse Fuse 10a Fuse 15a Fuse 20a Fuse 30a Fuse 5a High mounted stoplamp Ign Ignition switch Instrument cluster Interior lamp Left vanity mirror lamp Lock Multi- function switch Nca Near breakout to c237) Off Rear doors door ajar switch Rear interior lamp Red/ Right vanity mirror lamp Run Rv van S249 (in window regulator relay switch harness, red/ S302 (in taillamp wiring harness, near breakout to c311) Speed control servo (except stripped chassis) Start Stripped chassis Temperature blend door actuator To c237) To fuse 2 (diagram 4 of 5) To fuse 34 (diagram 4 of 5) To fuse 9 (diagram 5 of 5) W/o full headliner Power Distribution Wiring Diagram (4 of 5) for Ford E550 Super Duty 2003 List of elements for Power Distribution Wiring Diagram (4 of 5) for Ford E550 Super Duty 2003: 68 (4.6l) (5.4l) (4.6l) (in engine control sensor & fuel charge wiring harness, at right center of engine) (5.4l) s161 (in engine control sensor & fuel charge wiring harness, at right center of engine) s161 (in engine control sensor harness, at left rear of engine compartment) s127 (in window regulator relay switch harness, near breakout to ignition switch) (in window regulator relay switch harness, near breakout to inertia fuel shutoff switch) s265 (in window regulator relay switch wiring harness, at left side of dash) s216 4.2l 4.6l/5.4l 6.8l Battery junction box (bjb) (in left front of engine compt) C2188a C220a C220c C3217 Central junction box (cjb) (left side of dash, near kick panel) 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 Digital transmission range (dtr) sensor Except stripped chassis From fuse 8 (diagram 4 of 5) (4.2l) From fuse 8 (diagram 4 of 5) (4.6l/5.4l) From fuse 8 (diagram 4 of 5) (6.8l) From ignition switch f (diagram 3 of 5) From ignition switch g (diagram 3 of 5) Fuel heater (diesel) Fuel pump relay Fuse 10a Fuse 15a Fuse 30a Fuse 5a Idle validation switch (diesel) Ignition coil Ignition transformer capacitor 1 Ignition transformer capacitor 2 Injector driver module (idm) power relay Instrument cluster Natural gas vehicle (ngv) timer jumper Nca Overdrive cancel switch Pcm power diode Pcm power relay Puddle lamp relay Radio (except stripped chassis) S146 (in engine control sensor harness, near breakout to c219) S150 (in engine control sensor & fuel charge wiring harness, near breakout to coil on plug 3) S156 s193 (in engine control sensor & fuel charge wiring harness, near breakout to coil on plug 8) S162 (in engine control sensor & fuel charge wiring harness, near breakout to fuel injector 8) S213 (in main wiring harness, near breakout to instrument cluster) S267 (in main wiring harness, near breakout to electronic crash sensor module) S269 Stripped chassis Tan/ red Tan/red To ignition coils (gasoline engines) or glow plug relay (diesel engine) (diagram 4 of 5) Vacuum warning switch (diesel) W/ diesel W/ ngv Warning buzzer/ chime module (except stripped chassis) Power Distribution Wiring Diagram (5 of 5) for Ford E550 Super Duty 2003 List of elements for Power Distribution Wiring Diagram (5 of 5) for Ford E550 Super Duty 2003: 55 (in engine control sensor harness, in breakout to windshield wiper motor) s128 (in main wiring harness, at center of dash) s208 (in main wiring harness, near breakout to brake pedal position switch) s219 (in window regulator relay switch harness, near breakout to temperature blend door actuator) s221 (in window regulator relay switch harness, near breakout to g204) (in window regulator relay switch harness, near breakout to ignition switch) s294 (in window regulator relay switch harness, near breakout to inertia fuel shutoff switch) s290 (in window regulator relay switch harness, near breakout to temperature blend door actuator) s221 Battery charge trailer tow relay Battery junction box (bjb) C2188a C3140a Central junction box (cjb) (left side of dash, near kick panel) Circuit breaker 20a Courtesy switch feed (taped in harness) Diesel Ends in harness (cutaway) Except cutaway Except diesel Except stripped chassis From e fuse 28 (diagram 2 of 5) From ignition switch (diagram 3 of 5) Front passenger window/ door lock switch Fuse 15a Fuse 30a Fuse 4 15a (stripped chassis) Fuse 4 15a (w/ rear seat entertainment) Fuse 4 15a (w/o rear seat entertainment) Fuse 5a Hinged side doors Ignition switch feed Left front door ajar switch Left video display Main light switch Master window/ door lock unlock switch Nca Overhead console Radio Rear doors door lock switch Remote keyless entry Remote keyless entry module Right front door ajar switch Right sliding or side door ajar switch Right sliding/ side door ajar switch Right video display S236 (in window regulator relay switch harness, under left side of dash) S296 Shutoff switch) s290 Sliding side door Stripped chassis To high mounted stoplamp (diagram 3 of 5) To splice s302 (diagram 3 of 5) Video cassette player Windshield wiper motor Wiper control module (wcm)
POWER DOOR LOCKS Door Lock Wiring Diagram, Cutaway Chassis for Ford E550 Super Duty 2003 List of elements for Door Lock Wiring Diagram, Cutaway Chassis for Ford E550 Super Duty 2003: 15 (in breakout to left front door lock actuator) s502 (near breakout to driver side front power window motor) s503 Central junction box (cjb) (left side of dash, near kick panel) Front passenger window/ door lock switch Fuse 20a G204 (left side of dash) Hot at all times Left front door lock actuator Lock Master window/ door lock/ unlock switch Red Right front door lock actuator S237 S600 Unlk Door Lock Wiring Diagram, with Keyless Entry for Ford E550 Super Duty 2003 List of elements for Door Lock Wiring Diagram, with Keyless Entry for Ford E550 Super Duty 2003: 63 (in window regulator relay switch harness, near breakout to c311) (in window regulator relay switch harness, near breakout to g204) (left side of dash) g204 (near breakout to c248) s238 Battery C3140a C3140b C3235 c384 C806 C807 Central junction box (cjb) (left side of dash, near kick panel) Diesel w/ rse Door lock Early production Exterior lights system Front passenger window/ door lock switch Fuse 15a Fuse 20a Fuse 30a Fuse 5a Ground Horn relay ctrl Horns system Hot at all times Hot in acc or run Ignition Int lamps out Interior lights system Late production Left front door lock actuator Lf door lock Light switch in Lock Lock in Master window/ door lock/ unlock switch Others Rear doors door lock switch Rear doors lock actuator Remote keyless entry module (behind left "b" pillar) Rf door lock Right front door lock actuator Right side door lock actuator Right sliding door contact switch S221 S235 S239 (near breakout to g204) S245 S251 S252 S255 S257 S258 (near breakout to left middle speaker) S260 S290 S296 S506 Side door lock Side door sw in Side/rear lock Unlock Unlock in W/ hinged door W/ sliding door
POWER MIRRORS Power Mirrors Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Power Mirrors Wiring Diagram for Ford E550 Super Duty 2003: 16 (not used) Down Driver side exterior rear view mirror Exterior rear view mirror switch Horizontal Left Left mirror select Left/ right Nca Passenger side exterior rear view mirror Red Right Right mirror select S504 (in front top of driver door) Up/ down m Vertical Power Mirrors Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Power Mirrors Wiring Diagram for Ford E550 Super Duty 2003: 23 Central junction box (cjb) (left side of dash, near kick panel) Down Driver side exterior rear view mirror Exterior rear view mirror switch Fuse 5a G204 (left side of dash) Horizontal Hot at all times Interior lights system Left Left/ right Left/ right m Mirror select Nca Passenger side exterior rear view mirror Red Right S500 S504 (in front top of driver door) S506 (w/ remote keyless entry) Up/ down m Vertical W/ puddle lamps
POWER SEATS Power Seats Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Power Seats Wiring Diagram for Ford E550 Super Duty 2003: 18 (w/ rse) (w/o rse) Central junction box (left side of dash, near kick panel) Driver seat front height motor Driver seat horizontal motor Driver seat rear height motor Entire seat Front driver side seat adjust switch Front of seat Fuse 30a Fwd G204 (left side of dash) Hot at all times Nca Rear of seat Rwd S299 S315
POWER WINDOWS Power Windows Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Power Windows Wiring Diagram for Ford E550 Super Duty 2003: 11 Central junction box (cjb) (left side of dash, near kick panel) Circuit breaker 43 20a Driver side front power window motor Front passenger window/ door lock switch G204 (left side of dash) Hot in run or acc Master window/ door lock/ unlock switch Passenger side front power window motor S236 S500 S501 (in left front door window regulator harness, near breakout to master window/ door lock/unlock switch)
RADIO Radio Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Radio Wiring Diagram for Ford E550 Super Duty 2003: 50 (at left side of dash) g203 (in window regulator relay switch harness, near breakout to temperature blend door actuator) (in window regulator relay switch harness, near breakout to c311) (not used) Antenna C2188a C3235 C384 C806 C807 Central junction box (left side of dash, near kick panel) Cutaway, e550 Early production Fuse 15a Fuse 5a G200 (at right side of dash) Ground Hinged side door Hot at all times Hot in park or head Hot in run or acc Hot in start Illumination L front speaker L rear speaker Late production Left front speaker Left middle speaker (w/ 6 speakers) Left rear speaker Memory power Nca Noise reduction Power R front speaker R rear speaker Radio Right front speaker Right middle speaker (w/ 6 speakers) Right rear speaker Right sliding door contact switch S202 S204 S212 S240 S241 S243 S244 S245 Sliding side door Van, wagon Radio Wiring Diagram, with Rear Entertainment (1 of 2) for Ford E550 Super Duty 2003 List of elements for Radio Wiring Diagram, with Rear Entertainment (1 of 2) for Ford E550 Super Duty 2003: 51 (at center of vehicle floor) g301 (at left side of dash) g203 (in breakout to c210) (in breakout to c3138) s2006 (near breakout to c3053) (near breakout to c3053) s2007 (near breakout to electronic crash sensor module) (near breakout to inertia fuel (near breakout to radio) (near breakout to radio) s274 Antenna C2188a C2188b Central junction box (left side of dash, near kick panel) Fuse 15a Fuse 5a G200 (at right side of dash) Ground Hot at all times Hot in park or head Hot in run or acc Hot in start Illumination L front speaker L rear speaker Left front speaker Memory power Nca Noise reduction Power R front speaker R rear speaker Radio Red Right front speaker S2003 S2008 S202 S204 S212 S222 S245 S272 S273 S289 S291 S293 Shield Shutoff switch) Signal Tan Radio Wiring Diagram, with Rear Entertainment (2 of 2) for Ford E550 Super Duty 2003 List of elements for Radio Wiring Diagram, with Rear Entertainment (2 of 2) for Ford E550 Super Duty 2003: 51 (at right side of dash) g200 (in breakout to c983) (in breakout to left video display) (in breakout to right video display) (in window regulator relay switch harness, near breakout to c311) s243 (left side of dash) g204 (near breakout to c311) s298 (near breakout to c340) (near breakout to c925) s914 (near breakout to right video display) C3077a C3077b C3235 C384 C806 C807 Early production G300 (at center of vehicle floor) G400 (at left side of vehicle rear end) Ground Interior lights system Late production Left middle speaker Left rear speaker Left video display Nca Power Power choke 1 Rear seat entertainment module Red Right middle speaker Right rear speaker Right sliding door contact switch Right video display S2005 (in breakout to c3138) S2009 (in breakout to c299) S235 S240 (near breakout to temperature blend door actuator) S288 (in window regulator relay switch harness, near breakout to c311) S297 S323 S381 (in breakout to c299) S915 S916 S920 (in breakout to right video display) S921 S941 Shield Signal Tan Video cassette player
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Shift Interlock Wiring Diagram for Ford E550 Super Duty 2003: 16 Brake pedal position (bpp) switch (on bracket, above brake pedal) Brake shift interlock (below right side of steering column) Central junction box (left side of dash, near kick panel) Fuse 11 15a Fuse 6 10a G203 (except stripped chassis) (at left side of dash) G207 (stripped chassis) (at center of dash) Hot at all times Hot in run S131 (except stripped chassis) S134 (except stripped chassis) (at left rear of engine compt) S207 (except stripped chassis) S282 (stripped chassis) S286 (stripped chassis) Shift lock solenoid Solid state
STARTING/CHARGING
6.8L 6.8L, Charging Wiring Diagram, without Dual Generators for Ford E550 Super Duty 2003 List of elements for 6.8L, Charging Wiring Diagram, without Dual Generators for Ford E550 Super Duty 2003: 32 (exc stripped chassis) (exc stripped chassis) (stripped chassis) (in right front corner of engine compt, near battery) starter relay (stripped chassis) Acc Auxiliary powertrain control module (apcm) (7.3l) (behind left side of dash) Battery Battery junction box (bjb) (in left front of engine compt) C102a C220c C22oc Central junction box (cjb) (left side of dash, near kick panel) Charge indicator Fuse 5a Fuse 60a G107 (at right side of engine compt) Generator Ground distribution system Ignition switch Instrument cluster Lock Off Red Run S1008 S1010 S1011 S225 S229 s281 S280 Start Starter motor 6.8L, Starting Wiring Diagram for Ford E550 Super Duty 2003 List of elements for 6.8L, Starting Wiring Diagram for Ford E550 Super Duty 2003: 26 (stripped chassis) (exc stripped chassis) 5.4l cng Acc Battery Battery junction box (bjb) (in left front of engine compt) Central junction box (cjb) (left side of dash, near kick panel) Digital transmission range (dtr) Fuse 10a Fuse 60a G107 (at right side of engine compt) Ground distribution system Ignition switch Lock Natural gas vehicle (ngv)timer jumper (near pcm, on left rear of engine compt) Not used Off Power distribution system Red Run S1008 S269 Sensor (on left side of transmission) Start Starter motor Starter relay (in right front corner of engine compt, near battery) Tan/ red
7.3L DI TURBO DIESEL 7.3L DI Turbo Diesel, Charging Wiring Diagram, without Dual Generators for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Charging Wiring Diagram, without Dual Generators for Ford E550 Super Duty 2003: 32 (exc stripped chassis) (exc stripped chassis) (stripped chassis) (in right front corner of engine compt, near battery) starter relay (stripped chassis) Acc Auxiliary powertrain control module (apcm) (7.3l) (behind left side of dash) Battery Battery junction box (bjb) (in left front of engine compt) C102a C220c C22oc Central junction box (cjb) (left side of dash, near kick panel) Charge indicator Fuse 5a Fuse 60a G107 (at right side of engine compt) Generator Ground distribution system Ignition switch Instrument cluster Lock Off Red Run S1008 S1010 S1011 S225 S229 s281 S280 Start Starter motor 7.3L DI Turbo Diesel, Charging Wiring Diagram, with Dual Generators for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Charging Wiring Diagram, with Dual Generators for Ford E550 Super Duty 2003: 37 (at right side of engine compt) (in right front corner of engine compt, near battery) starter relay Accy Auxiliary powertrain control module (apcm) (behind left side of dash) Battery Battery 2 Battery junction box (bjb) (in left front of engine compt) C1104a C1251a C220c C22oc Central junction box (left side of dash, near kick panel) Charge indicator Fuse 5a Fuse 60a G107 (at right side of engine compt) G110 (on right frame rail) G199 Generator Ground distribution system Ignition switch Instrument cluster Lock Off Powertrain control module (pcm) (in left rear of engine compartment, near brake master cylinder) Red Run S1008 S1010 S1011 S1012 S178 S225 S229 Secondary generator Start Starter motor 7.3L DI Turbo Diesel, Starting Wiring Diagram for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, Starting Wiring Diagram for Ford E550 Super Duty 2003: 25 Acc Battery Battery 2 Battery junction box (bjb) (in left front of engine compt) Central junction box (cjb) (left side of dash, near kick panel) Digital transmission range (dtr) Fuse 10a Fuse 60a G107 (at right side of engine compt) G110 (on right frame rail) Ground distribution system Ignition switch Lock Off Power distribution system Red Run S1008 S225 S269 Sensor (on left side of transmission) Start Starter motor Starter relay (in right front corner of engine compt, near battery) Tan/red
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Supplemental Restraints Wiring Diagram for Ford E550 Super Duty 2003: 60 (in window regulator relay switch harn, near breakout to c237) s228 Abs control module (at left side of engine compartment) Air bag bracket Air bag bracket (right side dash panel) Air bag ind Air bag indicator Air bag sliding contact Battery C135 C220c C303 C323 Central junction box (cjb) (left side of dash, near kick panel) Crash sensor Data link connector (dlc) (partial) (below left side of dash) Door open input Driver air bag Driver air bag unit Driver door open input Driver safety belt retractor pretensioner (under driver seat) Electronic crash sensor (ecs) module (behind right side of dash) Feed Forward crash sensor (in front center of engine compartment, behind grille) Fuse 2.14 5a Fuse 2.19 10a Fuse 2.38 10a Fuse 2.4 15a G204 (left side of dash) G206 (right side dash) Ground Hot at all times Hot in run Hot in run or start Ignition Instrument cluster Iso bus Left front door ajar switch (left rocker panel) Nca Pass air bag Passenger air bag module Passenger safety belt retractor pretensioner (under passenger seat) Pnk Preten feed Preten return Pretensioner feed Pretensioner nca Pretensioner return Red/ pnk Red/pnk S201 (in main wiring harn, near breakout to electronic crash sensor module) S221 S235 S265 S267 S275 (in main wiring harn, near breakout to instrument cluster) Safety belt buckle sw input Safety belt buckle switch input Shorting bar Shorting bar engaged when module connector is disconnected from harness (shorting bars are connected between following pins: 1-15, 7-21 & 14-28) Warning buzzer/ chime module (behind center of dash)
TRANSMISSION
6.8L 6.8L, A/T Wiring Diagram for Ford E550 Super Duty 2003 List of elements for 6.8L, A/T Wiring Diagram for Ford E550 Super Duty 2003: 99 (eng control harn, near breakout to a/c cutout switch) (eng control harn, near breakout to pcm) (eng control harn, near c1033 breakout) (eng ctrl harn, in breakout to pcm) (engine control harn, above left center of engine) (engine ctrl harn, center of engine compt) (in battery junction box) (top center of engine compt) mass airflow (maf) sensor (trans ctrl harn, rear of engine) (trans ctrl harn, rear of engine) s102 4r100 transmission Abs system, warning buzzer module Battery junction box Battery junction box (left front of engine compt) Bpp Brake pedal position switch (on bracket, above brake pedal) C220a C220b C220c Cc sol Central junction box (behind left side of dash) Cht Coast clutch solenoid Cruise control system Cylinder head temperature sensor (top front of left cylinder head) Data (+) Data (-) Data link connector (below left side of dash) Digital transmission range sensor Electronic pressure control solenoid Engine controls Epc Exterior lights Fuse 10a Fuse 15a Fuse 30a Fuse 5a G101 (right front of engine compt) G203 (left side of dash) Gen data Gnd Hot at all times Hot in run or start Iat Instrument cluster Instrument cluster system Instrumentation engine coolant temperature sensor (upper left front of engine) Kapwr Maf Malfunction indicator lamp Mil Multifunction switch, deactivator switch Nca Od off Oss Output shaft speed sensor (left side of transmission) Overdrive cancel switch Pcm diode Pcm power relay Powertrain control module (pcm) (left rear of engine compartment, near brake master cylinder) Pwr in Radio noise capacitors, ignition coils Red S100 S110 S127 S134 (eng ctrl harn, left rear of eng compt) S135 (eng cntrl harn, near pcm breakout) S136 S137 S138 S140 S142 S157 S175 S213 S224 (near c237 breakout) Shift solenoid a Shift solenoid b Sig rtn Speedometer Ssa Tcc Tcil Tcs Tft Throttle position sensor (tps) (on top of engine, near air intake) Torque converter clutch solenoid Tps Tr1 Tr2 Tr3 Tr4 Transmission fluid temperature sensor Tss Turbine shaft speed sensor (left side of transmission) Vref Vss Vss gnd
7.3L DI TURBO DIESEL 7.3L DI Turbo Diesel, A/T Wiring Diagram for Ford E550 Super Duty 2003 List of elements for 7.3L DI Turbo Diesel, A/T Wiring Diagram for Ford E550 Super Duty 2003: 103 (center left side of engine) engine oil temperature sensor (engine control harness, in pcm break- out) (engine ctrl harn, center rear of eng compt) (engine ctrl harn, near c1033 breakout) (engine ctrl harn, near pcm breakout) (fuel charge harn, near inj ctrl press sensor breakout) (fuel chg harn, near trans range sen breakout) (in battery junction box) (left side of dash) g203 (lower i/p harn) 4r100 transmission (right side of transmission) Abs system, warning buzzer module Accelerator pedal (ap) position sensor (behind left side of dash, above accelerator pedal) Acel pdl Ap sens Auxiliary powertrain control connector (partial) (behind left side of dash) Battery junction box Battery junction box (left front of engine compt) Bpp Brake pedal position switch (on bracket, above brake pedal) C220b C220c Ccs Central junction box (behind left side of dash) Chk eng Coast clutch solenoid Data (+) Data (-) Data link connector (dlc) (partial) (below left side of dash) Digital transmission range sensor Electronic pressure control solenoid Eng oil Engine controls Epc Exterior lights Fuse 10a Fuse 15a Fuse 30a Fuse 5a G101 (right front of engine compt) Gen data Glow plug relay, fuel line htr, idle validation switch Gnd Hot at all times Hot in run or start Iat Idm relay, fuel pump relay Instrument cluster Intake air temperature sensor (center of engine compt, part of clean air tube) Kapwr Low vacuum warning switch Malfunction indicator lamp Manifold absolute pressure sensor (right side of engine compt) Map Multifunction switch deactivator switch Nca Od off Overdrive cancel switch Pcm diode Pcm power relay Powertrain control module (pcm) (left rear of engine compartment, near brake master cylinder) Pwr in Red S1001 S1007 S110 S127 S134 (eng ctrl harn, left rear of eng compt) S135 S136 S137 S138 S139 S140 S142 S146 S175 S176 S213 S224 (near c237 breakout) S262 S263 Shift solenoid a Shift solenoid b Sig rtn Ssa Ssb Tcc Tcil Tcs Tft Torque converter clutch solenoid Tr1 Tr2 Tr3 Tr4 Transmission fluid temperature sensor Tss Turbine shaft speed sensor (w/ electric fuel pump) (right side of transmission) Vehicle speed sensor (left side of transmission) Vref Vss Vss gnd
WARNING SYSTEMS Warning Systems Wiring Diagram for Ford E550 Super Duty 2003 List of elements for Warning Systems Wiring Diagram for Ford E550 Super Duty 2003: 42 (at left side of dash) g203 (left side of dash) g204 (w/o rse) (w/ rse) Buckle switch C220a C220b C220c Central junction box (left side of dash, near kick panel) Crash sensor module) Door open Driver safety belt retractor pretensioner Fasten belts Fuse 15a Fuse 20a Gnd Ground Head Headlamps on Hot at all times Hot in start or run Ignition key switch Instrument cluster Interior lights system Key in ignition Left front door ajar switch Main light switch Micro- processor & engine immobilization indicator Nca Off Park Power Preten- sioner Red/pnk S201 (near breakout to electronic red/ pnk S207 S213 S218 S235 S275 (in main wiring harness, near breakout to instrument cluster) Safety belt ind Seat belt Warning buzzer/ chime module (behind center of dash)
WIPER/WASHER Wiper/Washer Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003 List of elements for Wiper/Washer Wiring Diagram, without Stripped Chassis for Ford E550 Super Duty 2003: 28 C202b Central junction box (cjb) (left side of dash, near kick panel) Common Fuse 30a G101 (at right front of engine compartment) G202 (at left side of dash) Ground Hot in run or acc Intrvl ctl Max Min Multi-function switch (at left side of dash) Off Park Park sw Power Run S143 S205 S208 Wash Windshield washer pump motor (attached to washer fluid reservoir, on right fender apron) Windshield wiper motor (left rear of engine compt) Wiper control module (wcm) (behind center of dash) Wiper high Wiper low Wiper mode Wshr pump
