ENGINE PERFORMANCE – Ford Pickup F250 1994 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.9L

4.9L, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994

List of elements for 4.9L, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994:

• 4 x 4l
• Accs
• Acd
• Air conditioning system
• Airb
• Aird
• Automatic transmission
• Boo
• Brake on/off switch (top left side of brake/clutch pedal support)
• C1012
• C198
• C199
• C250
• C251
• Canp
• Ccs
• Coil
• Coil wire
• Cse gnd
• Data (+)
• Data (-)
• Distributor
• Ect
• Engine compartment fuse box
• Epc
• Epcpwr/vpwr
• Evp
• Evr
• Fpm
• Fuse 13 15a
• Fuse 17 10a
• Fuse i 20a
• Fuse panel
• Fuse u 20a
• G101 (right front of engine compt, on fender apron)
• G104 (rear of left fender apron)
• G108 (top of upper radiator support)
• G203 (behind bottom of right cowl panel)
• Gnd
• Ho2s
• Ho2s gnd
• Hot at all times
• Hot in start or run
• Iac
• Iat
• Idm
• Ign gnd
• Ignition coil (left front of engine)
• Ignition control module (left rear of engine compartment on fender apron)
• Inj bank 1
• Inj bank 2
• Instrument cluster
• Instrument cluster system
• Kapwr
• Malfunction indicator
• Manual lever position sensor
• Manual transmission
• Map
• Mlp or pnp
• Nca
• Pcm power relay
• Pip
• Pnk
• Powertrain control module (left side of safety wall)
• Psom (+)
• Psom (-)
• Pwr
• Pwr gnd
• Radio capacitor (near ignition coil)
• Red
• Sig rtn
• Speed control servo amplifier assembly (near brake master cylinder)
• Spout
• Spout check connector (near ignition control module)
• Ss1
• Ss2
• Start
• Starting/ charging system
• Sti
• Sto/mil
• Tan
• Tcc
• Tcil
• Tcs
• Tft
• Transmissions system
• Vehicle speed input
• Vip data link connector (left rear of engine compt)
• Vip data link connector (left rear of engine compt, on bracket)
• Vpwr
• Vref

4.9L, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994

List of elements for 4.9L, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994:

• #1 shift solenoid
• #2 shift solenoid
• (not used)
• All except bronco
• Bronco
• C303
• Canister purge solenoid (lower right side of engine compartment)
• Coast clutch solenoid
• E40d transmission
• Egr control solenoid (below egr valve position sensor near valve cover)
• Egr valve position sensor (top left rear of engine, on throttle body)
• Electronic pressure control solenoid
• Engine compartment fuse box
• Engine compartment relay box
• Engine coolant temperature sensor (center front of engine)
• F-series
• Front tank fuel pump/ fuel gauge sender (in front fuel tank)
• Fuel injectors
• Fuel pump relay
• Fuel pump/ fuel gauge sender (top right side of fuel tank)
• Fuel tank selector switch
• Fuse e 15a
• Fuse o 20a
• G101 (right front of engine compt, on fender apron)
• G108 (top of upper radiator support)
• Heated oxygen sensor (lower right rear of engine compt, in exhaust pipe)
• Hot at all times
• Hot in run
• Idle air control valve (top of throttle body)
• Inertia fuel shut-off switch (behind right cowl panel)
• Intake air temperature sensor (right front of engine)
• Knock sensor (left side of engine, near ignition coil)
• Manifold absolute pressure sensor (top right side of safety wall)
• Nca
• Rear tank fuel pump/ fuel gauge sender (in rear fuel tank)
• Red
• Secondary air injection bypass solenoid (near rear of left valve cover)
• Secondary air injection diverter solenoid (near rear of left valve cover)
• Tan
• Throttle position sensor (top left rear of engine, on throttle body)
• Torque converter clutch solenoid
• Trans- mission oil temper- ature sensor

5.0L

5.0L MFI, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994

List of elements for 5.0L MFI, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994:

• (not used)
• (right front of engine compt, on fender apron)
• A/t (c6)
• Accs
• Air conditioning system
• Airb
• Aird
• C250
• C251
• Canp
• Clutch pedal position switch (behind left side of i/p, top right side of brake/clutch pedal support)
• Clutch pedal position switch jumper (behind left side of i/p, tape to main harness, near steering column)
• Coil
• Coil wire
• Cpp
• Cse gnd
• Data (+)
• Data (-)
• Data link connector (left rear of engine compt, on bracket)
• Distributor
• Ect
• Engine compartment fuse box
• Evp
• Evr
• Fpm
• Fuse 17 10a
• Fuse i 20a
• Fuse panel
• Fuse u 20a
• G101
• G104 (rear of left fender apron)
• G108 (top of upper radiator support)
• G203 (behind bottom of right cowl panel)
• Gnd
• Ho2s
• Ho2s gnd
• Hot at all times
• Hot in start or run
• Iac
• Iat
• Idm
• Ign gnd
• Ignition coil (left rear of engine, near intake manifold)
• Ignition control module (left rear of engine compartment, on fender apron)
• Inj bank 1
• Inj bank 2
• Instrument cluster
• Instrument clusters system
• Kapwr
• M/t
• Malfunction indicator
• Map
• Nca
• Pcm power diode
• Pcm power relay
• Pip
• Pnk
• Powertrain control module (left side of safety wall)
• Psom (+)
• Psom (-)
• Psp
• Pwr
• Pwr gnd
• Radio capacitor (left side of engine, near ignition coil)
• Red
• Sig rtn
• Spout
• Spout check connector (left rear of engine compt, taped to harness, near ignition control module)
• Start
• Sti
• Sto/mil
• Tan
• Vpwr
• Vref

5.0L MFI, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994

List of elements for 5.0L MFI, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994:

• Acc
• Bronco
• Canister purge solenoid (right front of engine)
• Egr control solenoid (on ignition coil support bracket)
• Egr valve position sensor (top right front of engine)
• Engine compartment fuse box
• Engine compartment relay box
• Engine coolant temperature sensor (center front of engine)
• F-series
• Front tank fuel pump/fuel gauge sender (in front fuel tank)
• Fuel injectors
• Fuel pump relay
• Fuel pump/ fuel gauge sender (top right side of fuel tank)
• Fuel tank selector switch
• Fuse e 15a
• Fuse o 20a
• G101 (right front of engine compt, on front of fender apron)
• G108 (top of upper radiator support)
• Heated oxygen sensor (lower right rear of engine compt, in exhaust pipe)
• Hot at all times
• Hot in run
• Idle air control valve (top of throttle body)
• Ignition switch
• Inertia fuel shut-off switch (behind right cowl panel)
• Intake air temperature sensor (top center front of engine, near intake runner #6)
• Knock sensor (center rear of engine, behind intake manifold)
• Lock
• Manifold absolute pressure sensor (top right side of safety wall)
• Nca
• Off
• Rear tank fuel pump/ fuel gauge sender (in rear fuel tank)
• Red
• Run
• Secondary air injection bypass solenoid (near rear of left valve cover)
• Secondary air injection diverter solenoid (near rear of left valve cover)
• Speed control servo/amplifier assembly) (left side of engine compt., near brake master cylinder)
• Start
• Tan
• Throttle position sensor (top right front of engine, on throttle body)

5.0L SFI, Engine Performance Wiring Diagrams, with 4R70W Transmission (1 of 2) for Ford Pickup F250 1994

List of elements for 5.0L SFI, Engine Performance Wiring Diagrams, with 4R70W Transmission (1 of 2) for Ford Pickup F250 1994:

• #1 shift solenoid
• #2 shift solenoid
• (left side of engine compt., near brake master cylinder)
• (right front of engine compt, on fender apron)
• (top left side of brake/ clutch pedal support)
• (top of upper radiator support)
• 4r70w transmission
• 4x4l
• Accs
• Air conditioning system
• Airb
• Aird
• Boo
• Brake on/off (boo) switch
• C250
• C251
• Canp
• Coil
• Coil wire
• Cse gnd
• Data (+)
• Data (-)
• Data link connector (left rear of engine compt, on bracket)
• Distributor
• Ect
• Electronic pres-
• Engine compartment fuse box
• Epc
• Evp
• Evr
• Fpm
• Fuse 13 15a
• Fuse 17 10a
• Fuse i 20a
• Fuse panel
• Fuse u 20a
• G101
• G104 (rear of left fender apron)
• G108
• G203 (behind bottom of right cowl panel)
• Gnd
• Ho2s
• Hot at all times
• Hot in start or run
• Iac
• Iat
• Idm
• Ign gnd
• Ignition coil (left rear of engine, near intake manifold)
• Ignition control module (left rear of engine compartment, on fender apron)
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Inj 7
• Inj 8
• Instrument cluster
• Instrument clusters system
• Kapwr
• Maf
• Maf rtn
• Malfunction indicator
• Mlp
• Nca
• Oss
• Pcm
• Pcm power relay
• Pip
• Pnk
• Power diode
• Powertrain control module (left side of safety wall)
• Psom (+)
• Psom (-)
• Pwr
• Pwr gnd
• Radio capacitor (left side of engine, near ignition coil)
• Red
• Sig rtn
• Signal return
• Solenoid
• Speed control servo/amplifier assembly
• Spout
• Spout check connector (left rear of engine compt, taped to harness, near ignition control module)
• Ss1
• Ss2
• Start
• Sti
• Sto/mil
• Sure control
• Tan
• Tan/red
• Tcc
• Tcil
• Tcs
• Tfi
• Torque con- verter clutch
• Transmission fluid temperature sensor
• Vehicle power
• Vpwr
• Vref

5.0L SFI, Engine Performance Wiring Diagrams, with 4R70W Transmission (2 of 2) for Ford Pickup F250 1994

List of elements for 5.0L SFI, Engine Performance Wiring Diagrams, with 4R70W Transmission (2 of 2) for Ford Pickup F250 1994:

• (right front engine compt, 0n front of fender apron)
• Bronco
• Canister purge solenoid (right front of engine)
• Data link connector (left rear of engine compt, on bracket)
• Egr control solenoid (on ignition coil support bracket)
• Egr valve position sensor (top right front of engine)
• Engine compart- ment fuse box
• Engine compartment relay box
• Engine coolant temperature sensor (center front of engine)
• F-series
• Front tank fuel pump/fuel gauge sender (in front fuel tank)
• Fuel injectors
• Fuel pump relay
• Fuel pump/ fuel gauge sender (top right side of fuel tank)
• Fuel tank selector switch
• Fuse e 15a
• Fuse o 20a
• G101
• G108 (top of upper radiator support)
• Heated oxygen sensor (lower right rear of engine compt, in exhaust pipe)
• Hot at all times
• Hot in run
• Idle air control valve (top of throttle body)
• Inertia fuel shut-off switch (behind right cowl panel)
• Intake air temperature sensor (top center front of engine, near intake runner #6)
• Knock sensor (center rear of engine, behind intake manifold)
• Manual lever position sensor (left side of transmission)
• Mass air flow sensor (right front of engine compt)
• Nca
• Output shaft speed (oss) sensor (left rear of tran- smission)
• Rear tank fuel pump/ fuel gauge sender (in rear fuel tank)
• Red
• Secondary air injection bypass solenoid (near rear of left valve cover)
• Secondary air injection diverter solenoid (near rear of left valve cover)
• Tan
• Tan/red
• Tcil
• Throttle position sensor (top right front of engine, on throttle body)
• Transmission control switch (top of steering column)

5.0L SFI, Engine Performance Wiring Diagrams, with E4OD Transmission (1 of 2) for Ford Pickup F250 1994

List of elements for 5.0L SFI, Engine Performance Wiring Diagrams, with E4OD Transmission (1 of 2) for Ford Pickup F250 1994:

• #1 shift solenoid
• #2 shift solenoid
• (left side of engine compt., near brake master cylinder)
• (right front of engine compt, on fender apron)
• (top left side of brake/ clutch pedal support)
• (top of upper radiator support)
• 4x4l
• Accs
• Air conditioning system
• Airb
• Aird
• Boo
• Brake on/off (boo) switch
• C250
• C251
• Canp
• Ccs
• Coast clutch solenoid
• Coil
• Coil wire
• Cse gnd
• Data (+)
• Data (-)
• Data link connector (left rear of engine compt, on bracket)
• Distributor
• E40d transmission
• Ect
• Electronic pres- sure control solenoid
• Engine compartment fuse box
• Epc
• Evp
• Evr
• Fpm
• Fuse 13 15a
• Fuse 17 10a
• Fuse i 20a
• Fuse panel
• Fuse u 20a
• G101
• G104 (rear of left fender apron)
• G108
• G203 (behind bottom of right cowl panel)
• Gnd
• Ho2s
• Hot at all times
• Hot in start or run
• Iac
• Iat
• Idm
• Ign gnd
• Ignition coil (left rear of engine, near intake manifold)
• Ignition control module (left rear of engine compartment, on fender apron)
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Inj 7
• Inj 8
• Instrument cluster
• Instrument clusters system
• Kapwr
• Maf
• Maf rtn
• Malfunction indicator
• Mlp
• Nca
• Pcm power diode
• Pcm power relay
• Pip
• Pnk
• Powertrain control module (left side of safety wall)
• Psom (+)
• Psom (-)
• Pwr
• Pwr gnd
• Radio capacitor (left side of engine, near ignition coil)
• Red
• Sig rtn
• Speed control servo/amplifier assembly
• Spout
• Spout check connector (left rear of engine compt, taped to harness, near ignition control module)
• Ss1
• Ss2
• Start
• Sti
• Sto/mil
• Tan
• Tan/red
• Tcc
• Tcil
• Tcs
• Tfi
• Torque con- verter clutch solenoid
• Transmission oil temp sensor
• Vpwr
• Vref

5.0L SFI, Engine Performance Wiring Diagrams, with E4OD Transmission (2 of 2) for Ford Pickup F250 1994

List of elements for 5.0L SFI, Engine Performance Wiring Diagrams, with E4OD Transmission (2 of 2) for Ford Pickup F250 1994:

• (right front engine compt, 0n front of fender apron)
• Bronco
• Canister purge solenoid (right front of engine)
• Data link connector (left rear of engine compt, on bracket)
• Egr control solenoid (on ignition coil support bracket)
• Egr valve position sensor (top right front of engine)
• Engine compart- ment fuse box
• Engine compartment relay box
• Engine coolant temperature sensor (center front of engine)
• F-series
• Front tank fuel pump/fuel gauge sender (in front fuel tank)
• Fuel injectors
• Fuel pump relay
• Fuel pump/ fuel gauge sender (top right side of fuel tank)
• Fuel tank selector switch
• Fuse e 15a
• Fuse o 20a
• G101
• G108 (top of upper radiator support)
• Heated oxygen sensor (lower right rear of engine compt, in exhaust pipe)
• Hot at all times
• Hot in run
• Idle air control valve (top of throttle body)
• Inertia fuel shut-off switch (behind right cowl panel)
• Intake air temperature sensor (top center front of engine, near intake runner #6)
• Knock sensor (center rear of engine, behind intake manifold)
• Manual lever position sensor (left side of transmission)
• Mass air flow sensor (right front of engine compt)
• Nca
• Rear tank fuel pump/ fuel gauge sender (in rear fuel tank)
• Red
• Secondary air injection bypass solenoid (near rear of left valve cover)
• Secondary air injection diverter solenoid (near rear of left valve cover)
• Tan
• Tan/red
• Tcil
• Throttle position sensor (top right front of engine, on throttle body)
• Transmission control switch (top of steering column)

5.8L

5.8L, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994

List of elements for 5.8L, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994:

• 4 x 4l
• 4r70w and e4od transmission
• Accs
• Acd
• Air conditioning system
• Airb
• Aird
• Boo
• Brake on/off switch (top left side of brake/clutch pedal support)
• C1012
• C198
• C199
• C250
• C251
• C6 and manual transmission
• Canp
• Ccs
• Coil
• Coil wire
• Cse gnd
• Data (+)
• Data (-)
• Data link connector (left rear of engine compt)
• Data link connector (left rear of engine compt, on bracket)
• Distributor
• Ecppwr/vpwr
• Ect
• Engine compartment fuse box
• Epc
• Epcpwr/vpwr
• Evp
• Evr
• Fpm
• Fuse 13 15a
• Fuse 17 10a
• Fuse i 20a
• Fuse panel
• Fuse u 20a
• G101 (right front of engine compt, on fender apron)
• G104 (rear of left fender apron)
• G108 (top of upper radiator support)
• G203 (behind bottom of right cowl panel)
• Gnd
• Ho2s
• Ho2s gnd
• Hot at all times
• Hot in start or run
• Iac
• Iat
• Idm
• Ign gnd
• Ignition coil (near intake manifold)
• Ignition control module (left rear of engine compartment, on fender apron)
• Inj bank 1
• Inj bank 2
• Instrument cluster
• Instrument cluster system
• Kapwr
• Malfunction indicator
• Manual lever position sensor
• Map
• Mlp or pnp
• Nca
• Pcm power diode
• Pcm power relay
• Pip
• Pnk
• Powertrain control module (left side of safety wall)
• Psom (+)
• Psom (-)
• Pwr
• Pwr gnd
• Radio capacitor (near ignition coil)
• Red
• Sig rtn
• Speed control servo amplifier assembly (near brake master cylinder)
• Spout
• Spout check connector (near ignition control module)
• Ss1
• Ss2
• Start
• Starting/ charging system
• Sti
• Sto/mil
• Tan
• Tcc
• Tcil
• Tcs
• Tft
• Transmissions system
• Vehicle speed input
• Vref

5.8L, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994

List of elements for 5.8L, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994:

• #1 shift solenoid
• #2 shift solenoid
• (not used)
• All except bronco and lightning
• Bronco
• Bronco, lightning u/8500 lbs
• C303
• Canister purge solenoid (lower right side of engine compartment)
• Coast clutch solenoid
• E40d transmission
• Egr control solenoid (on ignition coil support bracket)
• Egr valve position sensor (top right front of engine)
• Electronic pressure control solenoid
• Engine compartment fuse box
• Engine compartment relay box
• Engine coolant temperature sensor (center front of engine)
• F-series
• Front tank fuel pump/fuel gauge sender (in front fuel tank)
• Fuel injectors
• Fuel pump relay
• Fuel pump/ fuel gauge sender (top right side of fuel tank)
• Fuel tank selector switch
• Fuse e 15a
• Fuse o 20a
• G101 (right front of engine compt, on fender apron)
• G108 (top of upper radiator support)
• Heated oxygen sensor (lower right rear of engine compt, in exhaust pipe)
• Hot at all times
• Hot in run
• Idle air control valve (top of throttle body)
• Inertia fuel shut-off switch (behind right cowl panel)
• Intake air temperature sensor (top center front of engine)
• Manifold absolute pressure sensor (top right side of safety wall)
• Nca
• O/8500 lbs
• Rear tank fuel pump/ fuel gauge sender (in rear fuel tank)
• Red
• Secondary air injection bypass solenoid (near rear of left valve cover)
• Secondary air injection diverter solenoid (near rear of left valve cover)
• Tan
• Throttle position sensor (top right front of engine)
• Torque converter clutch solenoid
• Trans- mission oil temper- ature sensor

7.3L

7.3L DI Turbo Diesel, Engine Performance Wiring Diagrams (1 of 3) for Ford Pickup F250 1994

List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagrams (1 of 3) for Ford Pickup F250 1994:

• selectable rpm control (behind center of i/p)
• "wait to start" indicator
• (left side of safety wall)
• 4x4 hi/low indicator switch (front of transfer case)
• Aat
• Acc
• Ambient air temper- ature (aat) sensor (right front of engine compartment)
• Brake press sw
• Brake pressure switch (near left front rail)
• Brake warning ind
• C250
• C251
• C264
• Clutch pdl pos sw
• Clutch pedal position switch (behind left side of i/p, top right side of brake/clutch pedal support)
• Cruise control system
• Diesel warning lamps display (top left side of i/p, right of instrument cluster)
• Ebp
• Engine compartment fuse box
• Engine oil temperature (eot) sensor (front top of engine)
• Eot
• Fuse 10a
• Fuse e 15a
• Fuse h 30a
• Fuse i 20a
• Fuse panel
• Fuse u 30a
• G104 (rear of left fender apron)
• G108 (left front of engine compart- ment, on radiator support)
• Generic scan tool
• Generic scan tool (behind lower center of i/p)
• Hot at all times
• Hot in run
• Hot in run or start
• Idle pos sw
• Idle position switch (closed at idle) (near accele- rator pedal)
• Idm relay
• Ingition switch
• Injection pressure regulator (ipr) (top center of engine)
• Instrument cluster
• Instrument clusters system
• Lock
• Low range 4x4 sw
• Malfunction indicator lamp (mil)
• Map
• Nca
• Off
• Pcm dlc
• Pcm power relay
• Power diode
• Powertrain control module (pcm)
• Pwr gnd
• Red
• Rpm ctrl
• Run
• Speed ctrl gnd
• Start
• Vip data link connnector (left rear of engine compart- ment, on bracket)
• Vss gnd

7.3L DI Turbo Diesel, Engine Performance Wiring Diagrams (2 of 3) for Ford Pickup F250 1994

List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagrams (2 of 3) for Ford Pickup F250 1994:

• (left front of engine compart- ment, on radiator support)
• (left side of safety wall)
• A/c cyl press sw
• Accel pdl pos sens
• Air conditioning system
• Baro
• Barometric pressure (baro) sensor (below i/p, at base of steering column)
• Boo
• C252
• Cam pos sens
• Camshaft position (cmp) sensor (front center of engine)
• Cid sig
• Cmp rtn
• Cruise control system
• Dlc
• Epr
• Exhaust back pressure (ebp) sensor (right side of engine)
• Exhaust pressure regulator (epr) (top center of engine)
• Fuel delivery sig
• G108
• G203 (behind bottom of right cowl panel)
• Glow plug ctrl
• Icp
• Idm enable out
• Idm sig in
• Injection control pressure (icp) sensor (top left side of engine)
• Instrument cluster
• Instrument clusters system
• Ipr
• Kapwr
• Manifold absolute pressure (map) sensor (top right side of safety wall
• Pedal position sensor (under left side of i/p)
• Powertrain control module (pcm)
• Programmable speedometer/ odometer module
• Pwr gnd
• Red
• Sig rtn
• Speed control servo/amplifier assembly (left side of engine compartment, near brake master cylinder)
• Speed ctrl gnd
• Tac
• Vip data link connector (dlc) (left rear of engine compartment, on bracket)
• Vpwr
• Vref
• Vss
• Wait to start out

7.3L DI Turbo Diesel, Engine Performance Wiring Diagrams (3 of 3) for Ford Pickup F250 1994

List of elements for 7.3L DI Turbo Diesel, Engine Performance Wiring Diagrams (3 of 3) for Ford Pickup F250 1994:

• (for customer use)
• (left side of engine compartment)
• Brake on/off (boo) switch (behind left side of i/p, top left side of brake/clutch pedal support)
• Cid sig in
• Engine compart- ment fuse box
• Fuel delivery sig
• Fuel inj feed left
• Fuel inj feed right
• Fuel injector #1
• Fuel injector #1 fuel injector #8
• Fuel injector #2
• Fuel injector #3
• Fuel injector #4
• Fuel injector #5
• Fuel injector #6
• Fuel injector #7
• Fuel injectors (left bank)
• Fuel injectors (right bank)
• Fuel line heater (right side of engine, on top of fuel filter/heater)
• Fuse 15a
• Fuse panel
• Fuse u 30a
• Glow plug relay (top center rear of engine)
• Hot at all times
• Hot in run or start
• Idm feedback sig
• Inj shield gnd
• Injector driver module (idm)
• Left glow plugs
• Nca
• Pwr gnd
• Right glow plugs
• Sig rtn
• Tan
• Tan/red
• Vpwr

7.3L IDI Diesel, Engine Performance Wiring Diagrams for Ford Pickup F250 1994

List of elements for 7.3L IDI Diesel, Engine Performance Wiring Diagrams for Ford Pickup F250 1994:

• "wait to start" indicator
• #1 shift solenoid
• #2 shift solenoid
• (left front of engine compartment,
• (left side of safety wall)
• (on front of transfer case)
• (open
• (right front of engine compartment, on
• (top right front of engine)
• 4x4 hi/lo indicator switch
• 4x4l
• Accs
• Air condi- tioning system (a/c clutch diode)
• Baro
• Barometric pressure sensor (baro) (top right side of safety wall)
• Boo
• Brake on/off (boo) switch (behind left side of i/p)
• C264
• Ccc
• Ccs
• Coast clutch solenoid
• Cold idle solenoid (top center front of engine)
• Cold timing advance solenoid (top center front of engine)
• Cruise control system
• Cse gnd
• Diesel warning lamps display
• E4od transmission
• Electronic pressure con- trol solenoid
• Engine compart- ment fuse box
• Engine speed sensor (top left front of engine)
• Engine temperature switch above 112 f, 44 c)
• Epc
• Epcpwr
• Fender apron)
• Fuel line heater (on top of fuel filter/ heater)
• Fuel shutoff solenoid (top center front of engine)
• Fuse 10a
• Fuse 15a
• Fuse i 20a
• Fuse k 20a
• Fuse panel
• Fuse u 30a
• G101
• G104 (rear of left fender apron)
• G108
• Glow plug relay (top center rear of engine)
• Glow plugs
• Hot at all times
• Hot in run or start
• Ign feed
• Instrument cluster system (tachometer)
• Instrument clusters system
• Kapwr
• Left glow plugs
• Manual lever position sensor (left side of transmission)
• Mlp
• Nca
• On upper radiator support)
• Pcm power diode
• Pcm power relay
• Plugs glow
• Powertrain control module (pcm)
• Psom (+)
• Psom (-)
• Pwr gnd
• Red
• Right glow plugs
• Rpms (+)
• Rpms (-)
• Sig rtn
• Ss1
• Ss2
• Sti
• Sto
• Tac
• Tcil & tmil
• Tcs
• Tft
• Throttle position sensor (top left front of engine)
• Torque con- verter clutch solenoid
• Tps
• Transmission oil tempera- ture sensor
• Transmission system (transmission control switch)
• Vip data link connectors (left rear of engine compart- ment on bracket)
• Vpwr
• Vref
• Wait to start

7.5L

7.5L, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994

List of elements for 7.5L, Engine Performance Wiring Diagrams (1 of 2) for Ford Pickup F250 1994:

• #1 shift solenoid
• #2 shift solenoid
• (e4od only)
• (left side of engine compt., near brake master cylinder)
• (right front of engine compt, on fender apron)
• (top left side of brake/ clutch pedal support)
• (top of upper radiator support)
• 4x4l
• Accs
• Air conditioning system
• Airb
• Aird
• Boo
• Brake on/off (boo) switch
• C250
• C251
• Canp
• Ccs
• Coast clutch solenoid
• Coil
• Coil wire
• Cse gnd
• Data (-)
• Data link connector (left rear of engine compt, on bracket)
• Distributor
• E40d transmission
• Ect
• Electronic pres- sure control solenoid
• Engine compartment fuse box
• Epc
• Evp
• Evr
• Fpm
• Fuse 13 15a
• Fuse 17 10a
• Fuse i 20a
• Fuse panel
• Fuse u 20a
• G101
• G104 (rear of left fender apron)
• G108
• G203 (behind bottom of right cowl panel)
• Gnd
• Ho2s
• Ho2s gnd
• Hot at all times
• Hot in start or run
• Iac
• Iat
• Idm
• Ign gnd
• Ignition coil (left side of engine, above valve cover)
• Ignition control module (left rear of engine compartment, on fender apron)
• Inj bank 1
• Inj bank 2
• Instrument cluster
• Instrument clusters system
• Kapwr
• Malfunction indicator
• Map
• Mlp or pnp
• Nca
• Pcm power diode
• Pcm power relay
• Pip
• Pnk
• Powertrain control module (left side of safety wall)
• Psom (+)
• Psom (-)
• Pwr
• Pwr gnd
• Radio capacitor (left side of engine, near ignition coil)
• Red
• Sig rtn
• Speed control servo/amplifier assembly
• Spout
• Spout check connector (left rear of engine compt, taped to harness, near ignition control module)
• Ss1
• Ss2
• Start
• Sti
• Sto/mil
• Tan
• Tan/red
• Tcc
• Tcil
• Tcs
• Tft
• Torque con- verter clutch solenoid
• Transmission oil temp sensor
• Vpwr
• Vref

7.5L, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994

List of elements for 7.5L, Engine Performance Wiring Diagrams (2 of 2) for Ford Pickup F250 1994:

• (left front engine compt, 0n upper radiator support)
• (not used)
• Canister purge solenoid (right side of engine, above axhaust manifold)
• Data link connector (left rear of engine compt, on bracket)
• E40d trans
• Egr control solenoid (on ignition coil support bracket)
• Egr valve position sensor (left of throttle body)
• Engine compart- ment fuse box
• Engine compartment relay box
• Engine coolant temperature sensor (near left side of distributor)
• F450 only
• Front tank fuel pump/fuel gauge sender (in front fuel tank)
• Fuel injectors
• Fuel pump relay
• Fuel tank selector switch
• Fuse e 15a
• Fuse o 20a
• G108
• G108 (left front of engine compt, on upper radiator support)
• Heated oxygen sensor (lower right rear of engine compt, in exhaust pipe)
• Hot at all times
• Hot in run
• Idle air control valve (below throttle body)
• Inertia fuel shut-off switch (behind right cowl panel)
• Intake air temperature sensor (top center of engine, behind distributor)
• M/t or c6 trans
• M/t: clutch pedal position switch c6 trans: clutch pedal position switch jumper
• Manifold absolute pressure (map) sensor (top right side of safety wall)
• Manual lever position sensor (left side of transmission)
• Nca
• Rear tank fuel pump/ fuel gauge sender (in rear fuel tank)
• Red
• Secondary air injection bypass solenoid (near ignition coil)
• Secondary air injection diverter solenoid (near rear of left valve cover)
• Tan
• Tan/red
• Throttle position sensor (top left front of engine, on side of throttle body)
• Transmission control switch (top of steering column)
• W/ f450
• W/o f450