ENGINE PERFORMANCE – Ford Freestar Limited 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.9L

3.9L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar Limited 2005

List of elements for 3.9L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar Limited 2005:

• (at front of engine) crankshaft position sensor
• (behind left side of dash) passive anti-theft transceiver module
• A/c press sw
• Air conditioning & cooling fans systems
• Air conditioning system
• Anti-theft ind
• Anti-theft system
• Ckp in (+)
• Ckp in (-)
• Cool fan relay
• Cooling fans system
• Data link connector (dlc) (below dash, left of steering column)
• Digital transmission range (dtr) sensor (at 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
• Intake manifold runner control (imrc) module (at top of engine)
• Maf input
• Maf sig rtn
• Mass airflow (maf) sensor (left front of engine compt)
• Nca
• Positive crankcase ventilation heater (top left side of engine)
• Power steering pressure switch (at 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-
• Shift sol a
• Shift sol b
• Starter relay
• Starting/charging system
• Tft sens sig
• Tss sens
• Tx sig

3.9L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar Limited 2005

List of elements for 3.9L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar Limited 2005:

• 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 side of engine compt)
• G305 (on floor, behind driver seat)
• Hot at all times
• Hot in run or start
• Inertia fuel shut-off switch (at 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 Limited 2005

List of elements for 3.9L, Engine Performance Wiring Diagram (3 of 4) for Ford Freestar Limited 2005:

• (in engine control sensor & fuel charge harn, near breakout to g103)
• A/c pressure transducer sensor
• Ax4s/af50n transmission control solenoids
• Bussed electrical center (bec) (left side of engine compt)
• C1035a
• C1035b
• Electronic pressure control (epc) solenoid
• Fluid temp sensor
• Fuel rail pressure temperature sensor (top right side of engine)
• Heated oxygen sensor (ho2s) 11 (in exhaust system)
• Heated oxygen sensor (ho2s) 12 (in exhaust system)
• Heated oxygen sensor (ho2s) 21 (in exhaust system)
• Heated oxygen sensor (ho2s) 22 (in exhaust system)
• Nca
• Pnk
• Red
• Red/pnk
• S102
• Shift solenoid a
• Shift solenoid b
• Shift solenoid c
• Throttle position (tp) 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 Limited 2005

List of elements for 3.9L, Engine Performance Wiring Diagram (4 of 4) for Ford Freestar Limited 2005:

• A/c clutch relay
• A/c press sw
• Air conditioning system
• Battery b+
• Bussed electrical center (bec) (at left side of engine compt)
• C1035b
• Cam pos sig
• Camshaft position sensor (at top right side of engine)
• Cyl head temp
• Cylinder head temperature sensor (rear of left cylinder head)
• Dpfe sens
• Dtr sens tr3a
• Epc sol ctrl
• Evap can purge
• Evap can vent
• Evap canister purge valve (top right of engine)
• Evap canister vent valve (under rear of vehicle)
• Ftpt sens
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors (fuel injectors 1, 2 & 3: top right side of engine) (fuel injectors 4, 5 & 6: top left side of engine)
• 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 (iac) valve (on throttle body)
• Ign coil c
• Ignition
• Maf sens out
• Oss sig
• Output shaft speed (oss) sensor (on transmission)
• Powertrain control module (pcm) (right rear of engine compt)
• Red
• Red/pnk
• Ref volt
• S105 (in engine control sensor & fuel charge harness, near breakout to rear center of engine compt)
• S106 (in engine control sensor & fuel charge harn, near breakout to g103)
• S107
• S144 (fuel charge harness, near breakout to c139)
• Shift sol c
• Sig rtn
• Tan
• Tcc sol ctrl
• Tps sig
• Turbine shaft speed (tss) sensor (on top of transmission)

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar Limited 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 4) for Ford Freestar Limited 2005:

• (at front of engine) crankshaft position sensor
• (behind left side of dash) passive anti-theft transceiver module
• A/c press sw
• Air conditioning & cooling fans systems
• Air conditioning system
• Anti-theft ind
• Anti-theft system
• Ckp in (+)
• Ckp in (-)
• Cool fan relay
• Cooling fans system
• Data link connector (dlc) (below dash, left of steering column)
• Digital transmission range (dtr) sensor (at 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
• Intake manifold runner control (imrc) module (at top of engine)
• Maf input
• Maf sig rtn
• Mass airflow (maf) sensor (left front of engine compt)
• Nca
• Positive crankcase ventilation heater (top left side of engine)
• Power steering pressure switch (at 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-
• Shift sol a
• Shift sol b
• Starter relay
• Starting/charging system
• Tft sens sig
• Tss sens
• Tx sig

4.2L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar Limited 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 4) for Ford Freestar Limited 2005:

• 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 side of engine compt)
• G305 (on floor, behind driver seat)
• Hot at all times
• Hot in run or start
• Inertia fuel shut-off switch (at 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 Limited 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 4) for Ford Freestar Limited 2005:

• (in engine control sensor & fuel charge harn, near breakout to g103)
• A/c pressure transducer sensor
• Ax4s/af50n transmission control solenoids
• Bussed electrical center (bec) (left side of engine compt)
• C1035a
• C1035b
• Electronic pressure control (epc) solenoid
• Fluid temp sensor
• Fuel rail pressure temperature sensor (top right side of engine)
• Heated oxygen sensor (ho2s) 11 (in exhaust system)
• Heated oxygen sensor (ho2s) 12 (in exhaust system)
• Heated oxygen sensor (ho2s) 21 (in exhaust system)
• Heated oxygen sensor (ho2s) 22 (in exhaust system)
• Nca
• Pnk
• Red
• Red/pnk
• S102
• Shift solenoid a
• Shift solenoid b
• Shift solenoid c
• Throttle position (tp) 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 Limited 2005

List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 4) for Ford Freestar Limited 2005:

• A/c clutch relay
• A/c press sw
• Air conditioning system
• Battery b+
• Bussed electrical center (bec) (at left side of engine compt)
• C1035b
• Cam pos sig
• Camshaft position sensor (at top right side of engine)
• Cyl head temp
• Cylinder head temperature sensor (rear of left cylinder head)
• Dpfe sens
• Dtr sens tr3a
• Epc sol ctrl
• Evap can purge
• Evap can vent
• Evap canister purge valve (top right of engine)
• Evap canister vent valve (under rear of vehicle)
• Ftpt sens
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors (fuel injectors 1, 2 & 3: top right side of engine) (fuel injectors 4, 5 & 6: top left side of engine)
• 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 (iac) valve (on throttle body)
• Ign coil c
• Ignition
• Maf sens out
• Oss sig
• Output shaft speed (oss) sensor (on transmission)
• Powertrain control module (pcm) (right rear of engine compt)
• Red
• Red/pnk
• Ref volt
• S105 (in engine control sensor & fuel charge harness, near breakout to rear center of engine compt)
• S106 (in engine control sensor & fuel charge harn, near breakout to g103)
• S107
• S144 (fuel charge harness, near breakout to c139)
• Shift sol c
• Sig rtn
• Tan
• Tcc sol ctrl
• Tps sig
• Turbine shaft speed (tss) sensor (on top of transmission)