ENGINE PERFORMANCE – Ford Freestar 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.9L

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

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

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

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

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

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

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

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

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