ENGINE PERFORMANCE – Ford Freestar S 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.9L

3.9L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar S 2004

List of elements for 3.9L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar S 2004:

• (at front of engine) crankshaft position sensor
• (behind left side of dash) passive anti-theft transceiver module
• (below dash, on right side of steering column) data link connector (dlc)
• A/c press sw
• A/c system
• Anti-theft ind
• C175
• Ckp in (+)
• Ckp in (-)
• Cool fan relay
• Cooling fans system
• Digital transmission range (dtr) sensor (on top of transaxle)
• Dtr sens tr1
• Dtr sens tr2
• Dtr sens tr4
• Egr vac reg
• Fuel pump mon
• Fuel rail temp
• G104 (left side of engine compt)
• Gen i circuit
• Gen s circuit
• Generator
• Ground
• Ho2s sig 12
• Iat sens
• Ign coil a
• Ign coil b
• Ignition
• Ignition coil (top right side of engine)
• Imrc mod
• Inlet manifold runner control (imrc) module (at top of engine)
• Maf input
• Maf sig rtn
• Mass air flow sensor (left front of engine compt)
• Nca
• Ohms
• Positive crankshaft ventilation heater (top left side of engine)
• Power steering pressure switch (left rear side of engine compt)
• Powertrain control module (pcm) (right rear of engine compt)
• Prog signal
• Psp switch
• Red
• Red/pnk
• Rx sig
• S107
• Scp bus+
• Scp bus-
• Security system
• Shift sol a
• Shift sol b
• Starter relay
• Starting system
• Tft sens sig
• Tss sens
• Tx sig

3.9L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar S 2004

List of elements for 3.9L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar S 2004:

• A11
• Bussed electrical center (bec) (left side of engine compt)
• C1035a
• C1035b
• C1035c
• C2280h
• Dpfe
• E10
• Egr system module (top left side of engine)
• Evr+
• Evr-
• Fuel gauge sensor
• Fuel pump
• Fuel pump driver module (bottom of left "b" pillar)
• Fuel pump relay
• Fuel tank
• Fuel tank pressure transducer sensor
• Fuse 10a
• Fuse 15a
• Fuse 5a
• G101 (left front of engine compt)
• G305 (on floor, behind driver seat)
• Hot at all times
• Hot in run or start
• Inertial fuel shut-off (ifs) switch (right rear of vehicle)
• Instrument cluster
• Map
• Nca
• Pcm power diode
• Pcm power relay
• Red
• Red/pnk
• Rtn
• S311
• Smart junction box (sjb) (behind left side of dash)
• Vsupp

3.9L, Engine Performance Wiring Diagram (3 of 4) for Ford Freestar S 2004

List of elements for 3.9L, Engine Performance Wiring Diagram (3 of 4) for Ford Freestar S 2004:

• (in eng ctrl sensor & fuel charge harn, near breakout to g103)
• (left side of engine compt) bussed electrical center (bec)
• A/c high pressure switch (at center front of engine compt)
• Ax4s/af50n transmission
• Bussed electrical center (bec) (left side of engine compt)
• C1035a
• C1035b
• Electronic pressure control (epc) solenoid
• Fluid temp sensor
• Fuel rail pressure transducer sensor (top right side of engine)
• Heated oxygen sensor 11 (in exhaust system)
• Heated oxygen sensor 12 (in exhaust system)
• Heated oxygen sensor 21 (in exhaust system)
• Heated oxygen sensor 22 (in exhaust system)
• Nca
• Pnk
• Red
• Red/pnk
• S102
• Shift solenoid a
• Shift solenoid b
• Shift solenoid c
• Throttle position sensor (top rear of engine, on throttle body)
• Torque converter clutch (tcc) solenoid

3.9L, Engine Performance Wiring Diagram (4 of 4) for Ford Freestar S 2004

List of elements for 3.9L, Engine Performance Wiring Diagram (4 of 4) for Ford Freestar S 2004:

• (in eng ctrl sensor & fuel charge harn)
• (top right of engine) evap canister purge valve
• (under rear of vehicle) evap canister vent valve
• A/c clutch relay
• A/c press sw
• A/c system
• Battery b+
• Bussed electrical center (bec) (left side of engine compt)
• C1035b
• Cam pos sig
• Camshaft position sensor (top right side of engine)
• Cyl head temp
• Cylinder head temperature sensor (rear of left cyl head)
• Dpfe sens
• Dtr sens tr3a
• Epc sol ctrl
• Evap can purge
• Evap can vent
• Ftpt sens
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• Fuel pump ctrl
• Fuel rail press
• Fuse 10a
• G104 (left side of engine compt)
• Ground
• Ho2s 11 htr
• Ho2s 11 sig
• Ho2s 12 htr
• Ho2s 21 htr
• Ho2s 21 sig
• Ho2s 22 htr
• Ho2s 22 sig
• Hot at all times
• Iac valve ctrl
• Idle air control valve (on the throttle body)
• Ign coil c
• Ignition
• Maf sens out
• Nca
• Oss sig
• Output shaft speed sensor (on trans- mission)
• Powertrain control module (pcm) (right rear of engine compt)
• Red
• Red/pnk
• Ref volt
• S105
• S106 (in eng ctrl sensor & fuel charge harn, near breakout to g103)
• S107
• S144 (fuel charge harn, near breakout to c139)
• Shift sol c
• Sig rtn
• Tan
• Tcc sol ctrl
• Tps sig
• Turbine shaft speed sensor (on top of transmission)

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar S 2004

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar S 2004:

• (at front of engine) crankshaft position sensor
• (behind left side of dash) passive anti-theft transceiver module
• (below dash, on right side of steering column) data link connector (dlc)
• A/c press sw
• A/c system
• Anti-theft ind
• C175
• Ckp in (+)
• Ckp in (-)
• Cool fan relay
• Cooling fans system
• Digital transmission range (dtr) sensor (on top of transaxle)
• Dtr sens tr1
• Dtr sens tr2
• Dtr sens tr4
• Egr vac reg
• Fuel pump mon
• Fuel rail temp
• G104 (left side of engine compt)
• Gen i circuit
• Gen s circuit
• Generator
• Ground
• Ho2s sig 12
• Iat sens
• Ign coil a
• Ign coil b
• Ignition
• Ignition coil (top right side of engine)
• Imrc mod
• Inlet manifold runner control (imrc) module (at top of engine)
• Maf input
• Maf sig rtn
• Mass air flow sensor (left front of engine compt)
• Nca
• Ohms
• Positive crankshaft ventilation heater (top left side of engine)
• Power steering pressure switch (left rear side of engine compt)
• Powertrain control module (pcm) (right rear of engine compt)
• Prog signal
• Psp switch
• Red
• Red/pnk
• Rx sig
• S107
• Scp bus+
• Scp bus-
• Security system
• Shift sol a
• Shift sol b
• Starter relay
• Starting system
• Tft sens sig
• Tss sens
• Tx sig

4.2L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar S 2004

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar S 2004:

• A11
• Bussed electrical center (bec) (left side of engine compt)
• C1035a
• C1035b
• C1035c
• C2280h
• Dpfe
• E10
• Egr system module (top left side of engine)
• Evr+
• Evr-
• Fuel gauge sensor
• Fuel pump
• Fuel pump driver module (bottom of left "b" pillar)
• Fuel pump relay
• Fuel tank
• Fuel tank pressure transducer sensor
• Fuse 10a
• Fuse 15a
• Fuse 5a
• G101 (left front of engine compt)
• G305 (on floor, behind driver seat)
• Hot at all times
• Hot in run or start
• Inertial fuel shut-off (ifs) switch (right rear of vehicle)
• Instrument cluster
• Map
• Nca
• Pcm power diode
• Pcm power relay
• Red
• Red/pnk
• Rtn
• S311
• Smart junction box (sjb) (behind left side of dash)
• Vsupp

4.2L, Engine Performance Wiring Diagram (3 of 4) for Ford Freestar S 2004

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 4) for Ford Freestar S 2004:

• (in eng ctrl sensor & fuel charge harn, near breakout to g103)
• (left side of engine compt) bussed electrical center (bec)
• A/c high pressure switch (at center front of engine compt)
• Ax4s/af50n transmission
• Bussed electrical center (bec) (left side of engine compt)
• C1035a
• C1035b
• Electronic pressure control (epc) solenoid
• Fluid temp sensor
• Fuel rail pressure transducer sensor (top right side of engine)
• Heated oxygen sensor 11 (in exhaust system)
• Heated oxygen sensor 12 (in exhaust system)
• Heated oxygen sensor 21 (in exhaust system)
• Heated oxygen sensor 22 (in exhaust system)
• Nca
• Pnk
• Red
• Red/pnk
• S102
• Shift solenoid a
• Shift solenoid b
• Shift solenoid c
• Throttle position sensor (top rear of engine, on throttle body)
• Torque converter clutch (tcc) solenoid

4.2L, Engine Performance Wiring Diagram (4 of 4) for Ford Freestar S 2004

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 4) for Ford Freestar S 2004:

• (in eng ctrl sensor & fuel charge harn)
• (top right of engine) evap canister purge valve
• (under rear of vehicle) evap canister vent valve
• A/c clutch relay
• A/c press sw
• A/c system
• Battery b+
• Bussed electrical center (bec) (left side of engine compt)
• C1035b
• Cam pos sig
• Camshaft position sensor (top right side of engine)
• Cyl head temp
• Cylinder head temperature sensor (rear of left cyl head)
• Dpfe sens
• Dtr sens tr3a
• Epc sol ctrl
• Evap can purge
• Evap can vent
• Ftpt sens
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• Fuel pump ctrl
• Fuel rail press
• Fuse 10a
• G104 (left side of engine compt)
• Ground
• Ho2s 11 htr
• Ho2s 11 sig
• Ho2s 12 htr
• Ho2s 21 htr
• Ho2s 21 sig
• Ho2s 22 htr
• Ho2s 22 sig
• Hot at all times
• Iac valve ctrl
• Idle air control valve (on the throttle body)
• Ign coil c
• Ignition
• Maf sens out
• Nca
• Oss sig
• Output shaft speed sensor (on trans- mission)
• Powertrain control module (pcm) (right rear of engine compt)
• Red
• Red/pnk
• Ref volt
• S105
• S106 (in eng ctrl sensor & fuel charge harn, near breakout to g103)
• S107
• S144 (fuel charge harn, near breakout to c139)
• Shift sol c
• Sig rtn
• Tan
• Tcc sol ctrl
• Tps sig
• Turbine shaft speed sensor (on top of transmission)