ENGINE PERFORMANCE – Ford Pickup F250 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L

4.2L, Engine Performance Wiring Diagrams (1 of 4) for Ford Pickup F250 1999

List of elements for 4.2L, Engine Performance Wiring Diagrams (1 of 4) for Ford Pickup F250 1999:

• (engine control sensor harn, near breakout to 12-pin conn, center front of engine compartment)
• (engine control sensor harn, near breakout to 40-pin connector, left rear left rear corner of eng compt)
• (fuel charge harn, near breakout to idle air control valve)
• (left front radiator support) g108
• (right rear of engine compt) g123
• 4x4 low ind sw
• 820 ohms
• Accs
• Air conditioning system
• Battery junction box (left side of engine compt)
• Body computer system
• C243
• Case gnd
• Central junction box (under left side of dash)
• Ckp(+)
• Ckp(-)
• Data link (+)
• Data link (-)
• Data link connector (partial) (under center of dash)
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dlc
• Evr ctrl
• Fuel pump mon
• Fuse 30a
• Fuse 5a
• G105 (right rear of engine compt)
• Ho2s (12)
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 2
• Ignition coil
• Imrc
• Intake manifold runner control (imrc) (on left side of engine)
• Ks sensor
• Maf
• Nca
• O/d off
• Pcm power diode
• Pcm power relay
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• R n
• Radio noise capacitor 1 (on top of engine)
• S100
• S106
• S116
• S117
• S130 (eng control sens harn, near breakout to 16-pin conn, right rear of eng compt)
• S153
• S156
• S157
• S225
• S237
• Shift sol a
• Shift sol b
• Tcs
• Tft
• To dtr sensor (diagram 4 of 4)
• Tr1
• Tr2
• Tr4
• Transmission control indicator lamp
• Transmission control switch (a/t)

4.2L, Engine Performance Wiring Diagrams (2 of 4) for Ford Pickup F250 1999

List of elements for 4.2L, Engine Performance Wiring Diagrams (2 of 4) for Ford Pickup F250 1999:

• (eng control sens harn, near breakout to starter mtr relay) s137
• (engine control sensor harn, near breakout to 4-pin conn in right rear corner of engine compt)
• (engine control sensor harn, near breakout to 40-pin conn in left rear of engine compt)
• (engine control sensor harn, near breakout to windshield wiper motor)
• (under left side of dash) central junction box
• Battery junction box (left side of engine compt)
• Breakout to battery junction box) s1003
• C236
• C267
• Crankshaft position (ckp) sensor (lower front of engine)
• Crankshaft position sensor shield
• Differential pressure feedback egr (dpfe) sensor (right side of engine)
• Electronic suspension system
• Fuel pump relay
• Fuel reset switch indicator
• Fuel tank pressure sensor (at fuel tank)
• Fuse 15a
• Fuse 20a
• G123 (rear of engine compt)
• Generic electronic module/ central timer module
• Hot at all times
• Instrument cluster
• Intake air temperature (iat) sensor (on intake manifold)
• Nca
• Pnk
• Red
• Red/pnk
• S101
• S127
• S135 (fuel charge harn, near breakout to fuel inj 4)
• S136 (fuel charge harn, near breakout to fuel inj 2)
• S138
• S139
• Throttle position (tp) sensor (on throttle body)
• Transfer case speed sensor (at left rear of transmission)
• Vss input

4.2L, Engine Performance Wiring Diagrams (3 of 4) for Ford Pickup F250 1999

List of elements for 4.2L, Engine Performance Wiring Diagrams (3 of 4) for Ford Pickup F250 1999:

• (at fuel tank) fuel pump module
• (backup lamp sw to rear lamp feed harn, at breakout to 38-pin conn in right rear of engine compt)
• (engine control
• (fuel charge harn, near breakout to 16-pin conn, right rear of eng compt)
• (fuel charge harn, near top of cylinder 2)
• (under right side of dash) inertia fuel shut-off switch
• 4r70w transmission
• Central junction box (under left side of dash)
• Egr vacuum regulator solenoid (right side of engine)
• Electronic pressure control solenoid
• Eng compt)
• Evap canister purge
• Fuel injectors
• Fuse 5a
• G200 (left kick panel)
• Hot at all times
• Idle air control valve (on left side of intake manifold)
• Instrument cluster system
• Nca
• Near breakout to 40-pin conn, left
• Output shaft speed (oss) sensor (left side of transmission)
• Pnk
• Rear corner of
• Rear lamp feed harn, in breakout to 38-pin conn in right rear engine compt)
• Red
• Red/pnk
• S129
• S131 (fuel charge harn, near breakout to imrc)
• S140
• S154
• S207
• Sensor harn,
• Shift solenoids
• Solenoid (left rear corner of engine compt)
• Ssa
• Ssb
• Tan
• Torque converter clutch solenoid
• Transmission fluid temperature sensor

4.2L, Engine Performance Wiring Diagrams (4 of 4) for Ford Pickup F250 1999

List of elements for 4.2L, Engine Performance Wiring Diagrams (4 of 4) for Ford Pickup F250 1999:

• (engine ctrl sensor harn, near breakout to windsheild wiper motor) s143
• (in left side of engine compt) speed control servo
• (main harn, near breakout to instrument cluster)
• (near fuel tank) canister vent solenoid
• (not used)
• (on left side of engine compartment)
• (on left side of engine) cylinder head temperature sensor
• (right side of engine) knock sensor (ks)
• 5v ref volt
• A/t
• Battery junction box
• Bpp sw
• Brake pedal position (bpp) switch
• Cam pos in
• Camshaft position (cmp) sensor (on front of engine)
• Camshaft position sensor shield
• Canister vent
• Central junction box (under left side of dash)
• Cyl head temp
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dpfe sens
• Epc 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 pump ctrl
• Fuel tank press
• Fuse 5a
• G123 (right rear of engine compt)
• G123 (right rear of engine compt)
• G200 (left kick panel)
• Heated oxygen sensor (ho2s) 11 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 12 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 21 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 22 (on engine exhaust pipe)
• Heater ctrl
• Hot at all times
• Hot in start
• Iac sol
• Ign coil 3
• Kap b(+)
• Knock sensor
• Lf ho2s
• Lf ho2s sig (21)
• Lr ho2s
• Lr ho2s sig (22)
• M/t
• Maf sens in
• Mass air flow (maf) sensor (in air cleaner assembly)
• Nca
• Not used
• Oss (+)
• Pnk
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• Red
• Red/pnk
• Ref voltage
• Rf ho2s
• Rf ho2s sig (11)
• Rr ho2s
• S100
• S101
• S208
• S297
• Speed sensor
• Tan
• Tcc sol
• Tp sens in
• Tr3a (a/t) bpp (m/t)
• Trans ctrl ind
• Vapor valve
• Vpwr
• Vss (+)
• Vss input
• Wot relay

4.6L

4.6L, Engine Performance Wiring Diagrams (1 of 4) for Ford Pickup F250 1999

List of elements for 4.6L, Engine Performance Wiring Diagrams (1 of 4) for Ford Pickup F250 1999:

• (engine control sensor harn, near breakout to 12-pin conn, center front of engine compartment)
• (engine control sensor harn, near breakout to 40-pin connector, left rear left rear corner of eng compt)
• (fuel charge harn, near breakout to 42-pin conn in right rear of engine compt)
• (fuel charge harn, near breakout to radio noise cap 1) s118
• (fuel charge harn, near breakout to radio noise cap 2) s119
• (left front radiator support) g108
• (right rear of engine compt) g123
• 4x4 low ind sw
• 820 ohms
• Accel sig
• Accs
• Air conditioning system
• Battery junction box (left side of engine compt)
• Body computer system
• C243
• Case gnd
• Central junction box (under left side of dash)
• Ckp(+)
• Ckp(-)
• Data link (+)
• Data link (-)
• Data link connector (partial) (under center of dash)
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dlc
• Electronic suspension system
• Evr ctrl
• Fuel pump mon
• Fuse 30a
• Fuse 5a
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 2
• Ignition coils 1 & 2
• Ignition coils 3 & 4
• Instrument cluster system
• Intake manifold
• Intake manifold communicator (imcc) control (on right side of engine)
• Ks sensor
• Maf
• Nca
• O/d off
• Pcm data out
• Pcm power diode
• Pcm power relay
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• R n
• Radio noise capacitor 1 (in right front of engine compt)
• Radio noise capacitor 2 (in left front of engine compt)
• Rr ho2s sig (12)
• S100
• S106
• S116
• S117
• S156
• S157
• S225
• S237
• Shift sol a
• Shift sol b
• Spark plugs
• Tcs
• Tft
• To dtr sensor (diagram 4 of 4)
• Tp out
• Tr1
• Tr2
• Tr4
• Transmission control indicator lamp
• Transmission control switch (a/t)

4.6L, Engine Performance Wiring Diagrams (2 of 4) for Ford Pickup F250 1999

List of elements for 4.6L, Engine Performance Wiring Diagrams (2 of 4) for Ford Pickup F250 1999:

• (eng control sens harn, near breakout to starter mtr relay) s137
• (engine control sensor harn, near breakout to 4-pin conn in right rear corner of engine compt)
• (engine control sensor harn, near breakout to 40-pin conn in left rear of engine compt)
• (engine control sensor harn, near breakout to windshield wiper motor)
• (under left side of dash) central junction box
• Battery junction box (left side of engine compt)
• Breakout to battery junction box) s1003
• C236
• C267
• Crankshaft position (ckp) sensor (lower front of engine)
• Crankshaft position sensor shield
• Differential pressure feedback egr (dpfe) sensor (left side of engine)
• Electronic suspension system
• Fuel pump relay
• Fuel reset switch indicator
• Fuel tank pressure sensor (at fuel tank)
• Fuse 15a
• Fuse 20a
• G123 (rear of engine compt)
• Generic electronic module/ central timer module
• Hot at all times
• Instrument cluster
• Intake air temperature (iat) sensor (on intake manifold)
• Nca
• Pnk
• Red
• Red/pnk
• S101
• S127
• S135 (fuel charge harn, near breakout to fuel inj 8)
• S136 (fuel charge harn, near breakout to fuel inj 7)
• S138
• S139
• Throttle position (tp) sensor (on throttle body)
• Transfer case speed sensor (at left rear of transmission)
• Vss input

4.6L, Engine Performance Wiring Diagrams (3 of 4) for Ford Pickup F250 1999

List of elements for 4.6L, Engine Performance Wiring Diagrams (3 of 4) for Ford Pickup F250 1999:

• (at fuel tank) fuel pump module
• (backup lamp sw to rear lamp feed harn, at breakout to 38-pin conn in right rear of engine compt)
• (engine control
• (fuel charge harn, near breakout to 16-pin conn, right rear of eng compt)
• (fuel charge harn, near breakout to ignition coil 3)
• (under right side of dash) inertia fuel shut-off switch
• 4r70w transmission
• Central junction box (under left side of dash)
• Egr vacuum regulator solenoid (left side of engine)
• Electronic pressure control solenoid
• Eng compt)
• Evap canister purge
• Fuel injectors
• Fuse 5a
• G200 (left kick panel)
• Hot at all times
• Idle air control valve (on left side of intake manifold)
• Instrument cluster system
• Nca
• Near breakout to 40-pin conn, left
• Output shaft speed (oss) sensor (left side of transmission)
• Pnk
• Rear corner of
• Rear lamp feed harn, in breakout to 38-pin conn in right rear engine compt)
• Red
• Red/pnk
• S129
• S131 (fuel charge harn, near breakout to ign coil 7)
• S140
• S154
• S207
• Sensor harn,
• Shift solenoids
• Ssa
• Ssb
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission fluid temperature sensor
• Valve (left rear corner of engine compt)

4.6L, Engine Performance Wiring Diagrams (4 of 4) for Ford Pickup F250 1999

List of elements for 4.6L, Engine Performance Wiring Diagrams (4 of 4) for Ford Pickup F250 1999:

• (engine ctrl sensor harn, near breakout to windsheild wiper motor) s143
• (in left side of engine compt) speed control servo
• (main harn, near breakout to instrument cluster)
• (near fuel tank) canister vent solenoid
• (on left side of engine compartment)
• (right side of engine) knock sensor (ks)
• (top front of engine) cylinder head temperature sensor
• 5v ref volt
• A/t
• Battery junction box
• Bpp sw
• Brake pedal position (bpp) switch
• Cam pos in
• Camshaft position (cmp) sensor (on front of engine)
• Camshaft position sensor shield
• Canister vent
• Central junction box (under left side of dash)
• Cyl head temp
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dpfe sens
• Epc 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 pump ctrl
• Fuel tank press
• Fuse 5a
• G123 (right rear of engine compt)
• G123 (right rear of engine compt)
• G200 (left kick panel)
• Heated oxygen sensor (ho2s) 11 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 12 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 21 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 22 (on engine exhaust pipe)
• Heater ctrl
• Hot at all times
• Hot in start
• Iac sol
• Ign coil 3
• Ign coil 4
• Kap b(+)
• Knock sensor
• Lf ho2s
• Lf ho2s sig (21)
• Lr ho2s
• Lr ho2s sig (22)
• M/t
• Maf sens in
• Mass air flow (maf) sensor (in air cleaner assembly)
• Nca
• Oss (+)
• Pnk
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• Red
• Red/pnk
• Ref voltage
• Rf ho2s
• Rf ho2s sig (11)
• Rr ho2s
• S100
• S101
• S208
• S297
• Speed sensor
• Tan
• Tan/red
• Tcc sol
• Tp sens in
• Tr3a (a/t) bpp (m/t)
• Trans ctrl ind
• Vapor valve
• Vpwr
• Vss (+)
• Vss input
• Wot relay

5.4L

5.4L CNG, Engine Performance Wiring Diagrams (1 of 5) for Ford Pickup F250 1999

List of elements for 5.4L CNG, Engine Performance Wiring Diagrams (1 of 5) for Ford Pickup F250 1999:

• (eng ctrl sensor harn, near breakout to 12-pin conn, center front of eng compt)
• (left front radiator support) g108
• (under center of dash) (partial) data link connector
• A/c on sig
• Air conditioning system
• Battery junction box (left side of engine compt)
• Case gnd
• Ccs
• Central junction box (under left side of dash)
• Ckp (+)
• Ckp (-)
• Data link (+)
• Data link (-)
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dlc
• Dtr-tr1
• Dtr-tr2
• Dtr-tr4
• Fuel pump mon
• Fuse 30a
• Fuse 5a
• G123 (right rear of engine compt)
• G200 (lower left kick panel)
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 3
• Ign coil 5
• Ign coil 6
• Imcc
• Maf
• Nca
• Ngv timer (left rear of engine compt)
• O/d off
• Ohms
• Pcm power diode
• Pcm power relay
• Powertrain control module (right side of engine compt)
• Pwr gnd
• R n
• S100
• S106
• S116
• S156
• S157
• S207
• S225
• Ss1
• Ss2
• Starting/ charging system
• Tan/red
• Tcil ind
• Tcs
• Tft
• To dtr sensor (diagram 5 of 5)
• Transmission control indicator lamp
• Transmission control switch

5.4L CNG, Engine Performance Wiring Diagrams (2 of 5) for Ford Pickup F250 1999

List of elements for 5.4L CNG, Engine Performance Wiring Diagrams (2 of 5) for Ford Pickup F250 1999:

• (engine control sensor harn, near breakout to 40-pin conn in left rear of engine compt)
• (fuel charge harn, near breakout to fuel inj 8)
• (fuel tank harn, near breakout to tank valve 2) s302
• (under left side of dash) central junction box
• Battery junction box (left side of engine compt)
• C236
• C237
• C243
• C267
• Crankshaft position (ckp) sensor (lower front of engine)
• Crankshaft position sensor shield
• Electronic suspension system
• Forward in-bed fuel tank valve (at fuel tank)
• Fuel gauge
• Fuel reset switch indicator
• Fuse 15a
• G108 (left front radiator support)
• G123 (right rear of engine compt)
• Generic electronic module/ central timer module
• Inertia fuel shut-off switch (under right side of dash)
• Injection pressure sensor (ips) (on top of engine)
• Instrument cluster
• Intake air temperature (iat) sensor (on intake manifold)
• Midship fuel tank valve (at fuel tank)
• Nca
• Rear in-bed fuel tank valve (at fuel tank)
• Red
• Red/pnk
• S101
• S135
• S136 (fuel charge harn, near breakout to ing coil 4)
• S139
• S159 (engine ctrl sensor harn, near breakout to wiper motor)
• S199
• S301
• Throttle position (tp) sensor (on throttle body)
• Vss input

5.4L CNG, Engine Performance Wiring Diagrams (3 of 5) for Ford Pickup F250 1999

List of elements for 5.4L CNG, Engine Performance Wiring Diagrams (3 of 5) for Ford Pickup F250 1999:

• (backup lamp harn, at breakout to 38-pin conn in right rear of engine compt)
• Battery junction box (left side of engine compt)
• Coast clutch solenoid
• Electronic pressure control solenoid
• Fuel rail cutoff valve (on fuel rail)
• Fuel shutoff valve relay
• Fuse 20a
• G117 (lower right rear of engine)
• Hot at all times
• Ignition coils
• Nca
• R4100 transmission
• Radio noise capacitor (on top left side of engine)
• Radio noise capacitor (on top right side of engine)
• Red
• Red red
• Red/pnk
• S117 (fuel charge harn, near breakout to 42-pin inline conn in right rear of engine compt)
• S140
• S153
• S161 (fuel charge harn, in breakout to injector 3)
• S162 (fuel charge harn, in breakout to injector 7)
• Shift solenoid
• Torque converter clutch solenoid
• Transmission fluid temperature sensor

5.4L CNG, Engine Performance Wiring Diagrams (4 of 5) for Ford Pickup F250 1999

List of elements for 5.4L CNG, Engine Performance Wiring Diagrams (4 of 5) for Ford Pickup F250 1999:

• (eng control sens harn, near breakout to wiper motor)
• Data (+)
• Data (-)
• Fuel gauge
• Fuel injectors
• Fuel press
• Fuel temp
• Ground
• Ignition
• Inj 1 input
• Inj 1 out
• Inj 2 input
• Inj 2 out
• Inj 3 input
• Inj 3 out
• Inj 4 input
• Inj 4 out
• Inj 5 input
• Inj 5 out
• Inj 6 input
• Inj 6 out
• Inj 7 input
• Inj 7 out
• Inj 8 input
• Inj 8 out
• Intake manifold communicator control (imcc) (right side of engine)
• Ngv fuel tank pressure sensor (at fuel tank)
• Ngv fuel tank temperature sensor (at fuel tank)
• Ngv module (on front of engine)
• Output shaft speed (oss) sensor (on left side of transmission)
• Power
• Red
• Red/pnk
• S127
• S129 (fuel charge harn, near breakout to ign coil 3)
• S131 (fuel charge harn, near breakout ign coil 7)
• S303 (fuel tank harn, near fuel tank)
• Sig return
• Tan
• Tan/ red
• Tan/red
• Timer

5.4L CNG, Engine Performance Wiring Diagrams (5 of 5) for Ford Pickup F250 1999

List of elements for 5.4L CNG, Engine Performance Wiring Diagrams (5 of 5) for Ford Pickup F250 1999:

• (eng cntrl sens harn)
• (engine control sensor harn, near breakout to windshield wiper motor)
• (engine control sensor harn, right rear of engine compt)
• (fuel charge harness)
• (left rear of trans) turbine shaft speed sensor
• (left side of engine compt) speed control servo
• (main harn, near breakout to instrument cluster)
• (top front of left head) cylinder head temperature sensor
• 270 ohms
• 5v ref
• Battery junctioin box (in left side of engine compt)
• Bpp switch
• Brake pedal position (bpp) switch
• C242
• C243
• Camshaft position (cmp) sensor (on front of engine)
• Camshaft position sensor shield
• Central junction box (under left side of dash)
• Cmp sensor
• Cyl head temp
• Digital transmission range sensor (dtr sensor-a/t) (left side of transmission)
• Dtr-tr3a
• Eft sensor
• Engine fuel temperature (eft-a) sensor (on top of engine)
• Epc sol
• From dtr sensor (diagram 1 of 5)
• Fuel ctrl
• Fuse 5a
• G123 (right rear of engine compt)
• G200 (lower left kick panel)
• Heated oxygen sensor (ho2s) 11 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 21 (on engine exhaust pipe)
• Ho2s (11)
• Ho2s (21)
• Ho2s sig (#11)
• Ho2s sig (21)
• Hot at all times
• Idle air control valve (on left side of intake manifold)
• Idle air ctrl
• Ign coil 2
• Ign coil 4
• Ign coil 7
• Ign coil 8
• Inj pressure
• Kap b(+)
• Maf sens in
• Mass air flow (maf) sensor (in air cleaner assembly)
• Nca
• Ngv module
• Not used
• Oss sensor
• Powertrain control module (right side of engine compt)
• Pwr gnd
• Red
• Red/pnk
• S100
• S101
• S138
• S141
• S143
• S154
• S155
• S158
• S199
• Sig rtn
• Tcc sol
• Tp sens in
• Tss sensor
• Vpwr
• Vss (+)
• Vss input
• Wire terminates in harness
• Wot relay

5.4L, Engine Performance Wiring Diagrams (1 of 4) for Ford Pickup F250 1999

List of elements for 5.4L, Engine Performance Wiring Diagrams (1 of 4) for Ford Pickup F250 1999:

• (engine control sensor harn, near breakout to 12-pin conn, center front of engine compartment)
• (engine control sensor harn, near breakout to 40-pin connector, left rear left rear corner of eng compt)
• (fuel charge harn, near breakout to fuel injector 3)
• (left front radiator support) g108
• (right rear of engine compt) g123
• 4x4 low ind sw
• 820 ohms
• Accs
• Air conditioning system
• Battery junction box (left side of engine compt)
• Body computer system
• C243
• Case gnd
• Ccs
• Central junction box (under left side of dash)
• Ckp(+)
• Ckp(-)
• Data link (+)
• Data link (-)
• Data link connector (partial) (under center of dash)
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dlc
• Evr ctrl
• Fuel pump mon
• Fuse 30a
• Fuse 5a
• Hot at all times
• Hot in run or start
• Iat
• Ign coil 1
• Ign coil 3
• Ign coil 5
• Ign coil 6
• Ignition coils
• Intake manifold
• Intake manifold communicator (imcc) control (on right side of engine)
• Ks sensor
• Maf
• Nca
• O/d off
• Pcm power diode
• Pcm power relay
• Pnk
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• R n
• Radio noise capacitor (on top right side of engine)
• Radio noise capacitor 2 (on top left side of engine)
• Rr ho2s sig (12)
• S100
• S106
• S116
• S117 (fuel charge harn, near breakout to 42-pin conn in right rear of engine compt)
• S156
• S157
• S161
• S225
• S237
• Shift sol
• Tc spd sens
• Tcs
• Tft
• To dtr sensor (diagram 4 of 4)
• Tr1
• Tr2
• Tr4
• Trans ctrl ind
• Transmission control indicator lamp
• Transmission control switch (a/t)

5.4L, Engine Performance Wiring Diagrams (2 of 4) for Ford Pickup F250 1999

List of elements for 5.4L, Engine Performance Wiring Diagrams (2 of 4) for Ford Pickup F250 1999:

• (eng control sens harn, near breakout to starter mtr relay) s137
• (engine control sensor harn, near breakout to 4-pin conn in right rear corner of engine compt)
• (engine control sensor harn, near breakout to 40-pin conn in left rear of engine compt)
• (engine control sensor harn, near breakout to windshield wiper motor)
• (under left side of dash) central junction box
• Battery junction box (left side of engine compt)
• Breakout to battery junction box) s1003
• C236
• C267
• Crankshaft position (ckp) sensor (lower front of engine)
• Crankshaft position sensor shield
• Differential pressure feedback egr (dpfe) sensor (left side of engine)
• Electronic suspension system
• Fuel pump relay
• Fuel reset switch indicator
• Fuel tank pressure sensor (at fuel tank)
• Fuse 15a
• Fuse 20a
• G123 (rear of engine compt)
• Generic electronic module/ central timer module
• Hot at all times
• Instrument cluster
• Intake air temperature (iat) sensor (on intake manifold)
• Nca
• Pnk
• Red
• Red/pnk
• S101
• S127
• S135 (fuel charge harn, near breakout to fuel inj 8)
• S136 (fuel charge harn, near breakout to ing coil 4)
• S138
• S139
• Throttle position (tp) sensor (on throttle body)
• Transfer case speed sensor (at left rear of transmission)
• Turbine shaft speed (tss) sensor (at left rear of transmission)
• Vss input

5.4L, Engine Performance Wiring Diagrams (3 of 4) for Ford Pickup F250 1999

List of elements for 5.4L, Engine Performance Wiring Diagrams (3 of 4) for Ford Pickup F250 1999:

• (at fuel tank) fuel pump module
• (backup lamp sw to rear lamp feed harn, at breakout to 38-pin conn in right rear of engine compt)
• (eng cntrl sens harn, left rear corner of eng compt) s155
• (fuel charge harn, near breakout to 16-pin conn, right rear of eng compt)
• (fuel charge harn, near breakout to ignition coil 3)
• (under right side of dash) inertia fuel shut-off switch
• 4r100
• 4r70w
• Central junction box (under left side of dash)
• Coast clutch solenoid (4r100)
• Egr vacuum regulator solenoid (left side of engine)
• Electronic pressure control solenoid
• Evap canister purge
• Fuel injectors
• Fuse 5a
• G200 (left kick panel)
• Hot at all times
• Idle air control valve (on left side of intake manifold)
• Instrument cluster system
• Nca
• Output shaft speed (oss) sensor (left side of transmission)
• Rear lamp feed harn, in breakout to 38-pin conn in right rear engine compt)
• Red
• Red/pnk
• S129
• S131 (fuel charge harn, near breakout to ign coil 7)
• S140
• S154
• S207
• Shift solenoid (4r70w)
• Shift solenoid 1 (4r100)
• Shift solenoid 2 (4r100)
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission
• Transmission fluid temperature sensor
• Valve (left rear corner of engine compt)

5.4L, Engine Performance Wiring Diagrams (4 of 4) for Ford Pickup F250 1999

List of elements for 5.4L, Engine Performance Wiring Diagrams (4 of 4) for Ford Pickup F250 1999:

• (engine ctrl sensor harn, near breakout to windsheild wiper motor) s143
• (in left side of engine compt) speed control servo
• (main harn, near breakout to instrument cluster)
• (near fuel tank) canister vent solenoid
• (on left side of engine compartment)
• (right side of engine) knock sensor (ks)
• (top front of engine) cylinder head temperature sensor
• 5.4l 2v only
• 5v ref volt
• A/t
• Battery junction box
• Bpp sw
• Brake pedal position (bpp) switch
• Cam pos in
• Camshaft position (cmp) sensor (on front of engine)
• Camshaft position sensor shield
• Canister vent
• Central junction box (under left side of dash)
• Cyl head temp
• Digital transmission range sensor (dtr sensor) (left side of transmission)
• Dpfe sens
• Epc 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 pump ctrl
• Fuel tank press
• Fuse 5a
• G123 (right rear of engine compt)
• G123 (right rear of engine compt)
• G200 (left kick panel)
• Heated oxygen sensor (ho2s) 11 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 12 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 21 (on engine exhaust pipe)
• Heated oxygen sensor (ho2s) 22 (on engine exhaust pipe)
• Heater ctrl
• Ho2s 11
• Ho2s 12
• Ho2s 21
• Ho2s 22
• Hot at all times
• Hot in start
• Iac sol
• Ign coil 2
• Ign coil 4
• Ign coil 7
• Ign coil 8
• Kap b(+)
• Knock sensor
• Lf ho2s sig (21)
• Lr ho2s sig (22)
• M/t
• Maf sens in
• Mass air flow (maf) sensor (in air cleaner assembly)
• Nca
• Oss (+)
• Powertrain control module (pcm) (right side of engine compt)
• Pwr gnd
• Red
• Red/pnk
• Rf ho2s sig (11)
• S100
• S101
• S208
• S297
• Sig return
• Tan
• Tan/red
• Tcc sol
• Tp sens in
• Tr3a (a/t) bpp (m/t)
• Tss spd sens
• Vapor valve
• Vpwr
• Vss (+)
• Vss input
• Wot relay