ENGINE PERFORMANCE – Ford Thunderbird LX 1995 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L

3.8L SC, Engine Performance Wiring Diagrams (1 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L SC, Engine Performance Wiring Diagrams (1 of 5) for Ford Thunderbird LX 1995:

• (behind i/p, right of steering column)
• (behind right cowl panel)
• (left
• (on throttle body)
• 15a
• Accs
• Acp
• Air conditioning system (a/c hight pressure cutout/fan sw)
• Arc
• Baro
• Boo
• C232
• C236
• C237
• C238
• C240
• C250
• C251
• Camshaft position (cmp) sensor (top front of engine)
• Canp
• Cid
• Cluster fuse
• Cooling fans system
• Cse gnd
• Data +
• Data -
• Ect
• Egr vacuum regulator (evr) solenoid (right side of safety wall)
• Electronic suspension system
• Epc
• Evr
• Fpm
• Fuel pump/fuel gauge sender (top of fuel tank)
• G203
• G203 (right cowl panel)
• G205
• Ground bus
• Hfc
• Ho2s-l
• Hos2-r
• Hot in run or start
• Iac
• Iat
• Idle air control (iac) valve
• Idm
• Ign gnd
• Inertia fuel shutoff sw (left side of trunk)
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Injectors
• Instrument cluster
• Kapwr
• Lfc
• Maf
• Maf rtn
• Malfunction indicator lamp
• Mlp
• Oct adj
• Park/turn signal lamps
• Pfc
• Pfe
• Pip
• Pnk
• Powertrain control module (pcm) (right cowl panel)
• Pressure feedback egr (pfe) sensor (right rear of engine)
• Primary junction block
• Pwr gnd
• Red
• Secondary junction block
• Sig rtn
• Spout
• Ss1
• Ss2
• Sti
• Sti data link conn side of engine compartment)
• Sto/mil
• Tachometer
• Tan
• Tcc
• Tcil
• Tcs
• Tfi
• Tss
• Vehicle speed sensor (rear of transmission)
• Vpwr
• Vref
• Vss +
• Vss -
• Wac

3.8L SC, Engine Performance Wiring Diagrams (2 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L SC, Engine Performance Wiring Diagrams (2 of 5) for Ford Thunderbird LX 1995:

• 15a
• 20a
• Barometric absolute pressure (bap) (on right side of safety wall)
• C232
• Data link connector (right side of engine compartment)
• Engine coolant temp (ect) sensor (top front of engine)
• Evap canister purge solenoid (behind right headlight)
• Fuse 15
• G108 (left radiator support)
• Heated oxygen sensor #1 (right exhaust manifold)
• Heated oxygen sensor #2 (left exhaust manifold)
• Ho2s fuse
• Hot at all times
• Hot in run
• Intake air temperature (iat) sensor (top left rear of engine)
• Knock sensor (ks) (right side of engine, below exhaust manifold)
• Mass airflow (maf) sensor (in air intake assembly)
• Nca
• Octane adjust plug (calif only) (right side of engine compartment)
• Pnk
• Power distribution box
• Primary junction block
• Red
• Throttle position (tp) sensor (on throttle body)

3.8L SC, Engine Performance Wiring Diagrams (3 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L SC, Engine Performance Wiring Diagrams (3 of 5) for Ford Thunderbird LX 1995:

• 15a
• 4r70w transmission
• A/t
• C232
• C233
• C250
• C298
• Cluster fuse
• Clutch pedal position (cpp) switch (top of clutch pedal support)
• Electronic pressure control (epc) solenoid
• Hot in run
• Hot in run or start
• Instrument cluster
• M/t
• Manual lever position (mlp) sensor (left rear of transmission)
• Output shaft speed sensor (left side of transmission)
• Park/neutral position switch (left rear of transmission)
• Pnk
• Primary junction block
• Red
• Run fuse
• Secondary junction block
• Shift solenoid (ss)
• Torque converter clutch (tcc) solenoid
• Transmission control indicator
• Transmission control switch (tcs) (below front of console)
• Transmission oil temper- ature (tot) sensor

3.8L SC, Engine Performance Wiring Diagrams (4 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L SC, Engine Performance Wiring Diagrams (4 of 5) for Ford Thunderbird LX 1995:

• (right side of
• 20a
• Ckp +
• Ckp -
• Ckp shield
• Crankshaft position sensor (lower right front of engine)
• Fuse 15
• Fuse 3
• G109 (right radiator support)
• Gnd
• Ground bus
• Hot at all times
• Hot in run or start
• Idm
• Ign gnd
• Ign pwr
• Ignition coil
• Ignition control module (icm) engine compartment)
• Nca
• Pcm power relay
• Pip
• Pnk
• Power distribution block
• Pusher fan relay (behind left shock tower)
• Radio noise capacitor (near ignition coil)
• Red
• Spark plugs
• Spout
• Spout check connector (right side of engine compartment)

3.8L SC, Engine Performance Wiring Diagrams (5 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L SC, Engine Performance Wiring Diagrams (5 of 5) for Ford Thunderbird LX 1995:

• 20a
• A/c clutch controller
• A/c comp- ressor clutch
• A/c high pressure cutout/fan switch
• Edf relay
• Edf relay controller
• Engine cooling fan motor
• Fuel pump relay
• Fuse 13
• Fuse 15
• G109 (right radiator support)
• Ground bus
• Hedf 1 relay
• Hedf 2 relay
• Hot at all times
• Integrated relay control module (ircm) (right front of engine compartment, mounted on upper radiator support)
• Power distribution block
• Red
• Solid state

3.8L, Engine Performance Wiring Diagrams (1 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L, Engine Performance Wiring Diagrams (1 of 5) for Ford Thunderbird LX 1995:

• (behind i/p, right of steering column)
• (ei) (di)
• (left
• (on throttle body)
• * **
• * ** red
• 15a
• Accs
• Acp
• Air conditioning system (a/c hight pressure cutout/fan sw)
• Boo
• C232
• C236
• C237
• C238
• C240
• C250
• C251
• Camshaft position (cmp) sensor (top front of engine)
• Canp
• Cid
• Cluster fuse
• Cse gnd
• Data +
• Data -
• Ect
• Egr vacuum regulator (evr) solenoid (right side of safety wall)
• Epc
• Evr
• Fpm
• Fuel pump/fuel gauge sender (top of fuel tank)
• G203 (behind right cowl panel)
• G203 (right cowl panel)
• G205
• Ground bus
• Hfc
• Ho2s-l
• Hos2-r
• Hot in run or start
• Iac
• Iat
• Idle air control (iac) valve
• Idm
• Ign gnd
• Inertia fuel shutoff sw (left side of trunk)
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Injectors
• Instrument cluster
• Kapwr
• Lfc
• Maf
• Maf rtn
• Malfunction indicator lamp
• Mlp
• Oct. adj.
• Park/turn signal lamps
• Pfe
• Pip
• Pnk
• Powertrain control module (pcm) (right cowl panel)
• Pressure feedback egr (pfe) sensor (right rear of engine)
• Primary junction block
• Pwr gnd
• Red
• Secondary junction block
• Sig rtn
• Spout
• Ss1
• Ss2
• Sti
• Sti data link conn side of engine compartment)
• Sto/mil
• Tachometer
• Tan
• Tcc
• Tcil
• Tcs
• Tfi
• Tss
• Vehicle speed sensor (rear of transmission)
• Vpwr
• Vref
• Vss +
• Vss -
• Wac

3.8L, Engine Performance Wiring Diagrams (2 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L, Engine Performance Wiring Diagrams (2 of 5) for Ford Thunderbird LX 1995:

• (ei) (di)
• * **
• 15a
• 20a
• C232
• Data link connector (right side of engine compartment)
• Engine coolant temp (ect) sensor (top front of engine)
• Evap canister purge solenoid (behind right headlight)
• Fuse 15
• G108 (left radiator support)
• Heated oxygen sensor #1 (right exhaust manifold)
• Heated oxygen sensor #2 (left exhaust manifold)
• Ho2s fuse
• Hot at all times
• Hot in run
• Intake air temperature (iat) sensor (top left rear of engine)
• Mass airflow (maf) sensor (in air intake assembly)
• Nca
• Octane adjust plug (calif only) (right side of engine compartment)
• Pnk
• Power distribution box
• Primary junction block
• Red
• Throttle position (tp) sensor (on throttle body)

3.8L, Engine Performance Wiring Diagrams (3 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L, Engine Performance Wiring Diagrams (3 of 5) for Ford Thunderbird LX 1995:

• (ei) (di)
• * **
• 15a
• 4r70w transmission
• A/t
• C232
• C233
• C250
• C298
• Cluster fuse
• Clutch pedal position (cpp) switch (top of clutch pedal support)
• Electronic pressure control (epc) solenoid
• Hot in run
• Hot in run or start
• Instrument cluster
• M/t
• Manual lever position (mlp) sensor (left rear of transmission)
• Output shaft speed sensor (left side of transmission)
• Park/neutral position switch (left rear of transmission)
• Pnk
• Primary junction block
• Red
• Run fuse
• Secondary junction block
• Shift solenoid (ss)
• Torque converter clutch (tcc) solenoid
• Transmission control indicator
• Transmission control switch (tcs) (below front of console)
• Transmission oil temper- ature (tot) sensor

3.8L, Engine Performance Wiring Diagrams (4 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L, Engine Performance Wiring Diagrams (4 of 5) for Ford Thunderbird LX 1995:

• (ei) (di)
• (right side of
• * **
• 20a
• Ckp +
• Ckp -
• Ckp shield
• Coil +
• Coil -
• Crankshaft position sensor (lower right front of engine)
• Distributor hall effect sensor
• Distributor ignition (di)
• Electornic ignition (ei)
• Fuse 3
• G108 (left radiator support)
• Gnd
• Hot in run or start
• Idm
• Ign gnd
• Ign pwr
• Ignition coil
• Ignition control module (icm) engine compartment)
• Ignition control module (icm) engine compartment)
• In-line resistor (in engine control sensor harness)
• Nca
• Pip
• Pnk
• Power distribution block
• Radio noise capacitor (near ignition coil)
• Red
• Spark plugs
• Spout
• Spout check connector (right side of engine compartment)
• Spout check connector (right side of engine compartment)

3.8L, Engine Performance Wiring Diagrams (5 of 5) for Ford Thunderbird LX 1995

List of elements for 3.8L, Engine Performance Wiring Diagrams (5 of 5) for Ford Thunderbird LX 1995:

• 20a
• 60a
• A/c clutch controller
• A/c comp- ressor clutch
• A/c high pressure cutout/fan switch
• Edf relay
• Edf relay controller
• Eec power relay
• Engine cooling fan motor
• Fuel pump relay
• Fuse 13
• Fuse 15
• Fuse 5
• G109 (right radiator support)
• Ground bus
• Hedf relay
• Hot at all times
• Integrated relay control module (ircm) (right front of engine compartment, mounted on upper radiator support)
• Power distribution block
• Red
• Solid state

4.6L

4.6L, Engine Performance Wiring Diagrams (1 of 4) for Ford Thunderbird LX 1995

List of elements for 4.6L, Engine Performance Wiring Diagrams (1 of 4) for Ford Thunderbird LX 1995:

• (behind i/p, right of steering column) g205
• (right front of vehicle, mounted on upper radiator support)
• (right side of steering column)
• A/c cycl sw
• Air conditioning system
• C232
• C236
• C237
• Case gnd
• Ckp (+)
• Ckp (-)
• Coil 1
• Coil 2
• Coil 3
• Coil 4
• Computer data lines system
• Cool fan (hi)
• Cool fan mntr
• Cooling fans system
• Data link (+)
• Data link (-)
• Ect sens
• Egr vac reg
• Feps (eprom)
• Fuel pump mntr
• Fuse 20a
• G101 (right fender apron, right side of battery)
• G108 (left side of upper radiator support)
• G109
• G203 (behind right cowl panel)
• Gnd
• Ground bus
• Hot at all times
• Hot in run
• Hot in run or start
• Iat sens
• Idm
• Ign gnd
• Ign pwr
• Ignition control module (right side of engine compartment)
• Integrated relay control module (left front corner of engine compartment)
• Left ignition coil
• Left radio noise capacitor
• Maf sig rtn
• Mil
• Octane adjust
• Pcm power relay
• Pip
• Pnk
• Power distribution box (left side of engine compartment)
• Powertrain control module (behind right cowl panel)
• Primary juction block (below left side of i/p)
• Pwr gnd
• Red
• Right ignition coil
• Right radio noise capacitor
• Rr ho2s 3 sig
• Run fuse 5a
• Secondary junction block
• Shift sol 1
• Shift sol 2
• Spout
• To fuel pump relay
• To spark plugs 1 & 6
• To spark plugs 2 & 8
• To spark plugs 3 & 5
• To spark plugs 4 & 7
• Trans ctrl sw
• Trans temp
• Transmission control switch
• Vss (-)

4.6L, Engine Performance Wiring Diagrams (2 of 4) for Ford Thunderbird LX 1995

List of elements for 4.6L, Engine Performance Wiring Diagrams (2 of 4) for Ford Thunderbird LX 1995:

• (right side of engine compartment) spark out check connector
• (speedometer) vehicle speed input
• C250
• C251
• Ckp sensor shield
• Crankshaft position sensor (lower right front of engine)
• Engine coolant temperature sensor (top right rear of engine)
• From pcm a power relay
• Fuel pump relay
• Fuse 20a
• G203 (behind right cowl panel)
• Hot at all times
• Icm shield
• Instrument cluster
• Intake air temperature sensor (rear of air cleaner assembly)
• Integrated relay control module (left front corner of engine compartment)
• Malfunction indicator lamp
• Octane adjust plug (right side of engine compartment)
• Pnk
• Power distribution box (left side of engine compartment)
• Pressure feedback egr sensor (right rear of engine)
• Red
• Tachometer
• Throttle position sensor (left side of throttle body)
• Transmission control indicator lamp

4.6L, Engine Performance Wiring Diagrams (3 of 4) for Ford Thunderbird LX 1995

List of elements for 4.6L, Engine Performance Wiring Diagrams (3 of 4) for Ford Thunderbird LX 1995:

• (left side of trunk) inertia fuel shutoff switch
• (top of tank) fuel pump/ fuel gauge sender
• 4r70w transmission
• Egr vacuum regulator solenoid (right rear of engine compartment)
• Electronic pressure control solenoid
• Evap canister purge solenoid (lower right front of vehicle)
• Fuel injectors
• G203 (behind right cowl panel)
• Ground bus
• Idle air control valve (left side of throttle body)
• Output shaft speed sensor (left side of transmission)
• Red
• Shift solenoids
• Ss1
• Ss2
• Tan
• Tan/ red
• Tan/red
• Torque converter clutch solenoid
• Transmission fluid temperature sensor

4.6L, Engine Performance Wiring Diagrams (4 of 4) for Ford Thunderbird LX 1995

List of elements for 4.6L, Engine Performance Wiring Diagrams (4 of 4) for Ford Thunderbird LX 1995:

• (behind right side of i/p) speed control amplifier
• (left rear of transmission) transmission range sensor
• (left rear of transmission) vehicle speed sensor
• (under left side of rear deck) electronic variable orifice module
• A/c wot cutout
• Air conditioning system
• Batt
• Brake on/off
• Brake on/off switch
• C236
• C237
• C238
• C240
• Camshaft position sensor (left front of engine)
• Cmp sensor shield
• Cool fan (lo)
• Cooling fans system
• Cyl id input
• Epc sol
• Evap purge
• 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
• G108 (left side of upper radiator support)
• G203 (behind right cowl panel)
• G205 (behind i/p, right of steering column)
• Ground bus
• Heated oxygen sensor 1 (left exhaust manifold)
• Heated oxygen sensor 2 (right exhaust manifold)
• Heated oxygen sensor 3 (right exhaust pipe)
• Heated oxygen sensor 4 (left exhaust pipe)
• Heater ctrl
• Hot at all times
• Iac sol
• L ho2s
• Lf ho2s 1 sig
• Lr ho2s 4 sig
• Maf sens in
• Mass air flow sensor (right side of engine compartment)
• Nca
• Oss (+)
• Pfe sens
• Power
• Power gnd
• Powertrain control module (behind right cowl panel)
• Primary junction block (below left side of i/p)
• Pwr gnd
• R ho2s
• Red
• Ref volt
• Rf ho2s 2 sig
• Secondary junction block (right side of steering column)
• Sig rtn
• Stop/ haz fuse 15a
• Tan
• Tan/red
• Tcc sol
• Tp sens in
• Tr sens
• Trans ctrl ind
• Vss (+)
• Warn/alarm
• Warning system