ENGINE PERFORMANCE – Lincoln Town Car Signature L 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L

4.6L, Engine Performance Wiring Diagram (1 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L, Engine Performance Wiring Diagram (1 of 5) for Lincoln Town Car Signature L 2008:

• A/c clutch relay
• Accelerator pedal position sensor
• Accr
• Accs
• Acpt
• Air conditioning system
• Anti-theft system
• App1
• App2
• App3
• Audio unit
• Battery junction box (bjb) (at right of engine compt)
• Bps
• C175b
• C290a
• C4081c
• Canvnt
• Case gnd
• Central junction box (cjb) (behind left side of dash, to left of steering column)
• Computer data lines system
• Cruise control system
• Cruise control system anti-theft system
• Etcref1
• Etcref2
• Etcrtn
• Evap canister vent control solenoid (center of trunk)
• Feps
• Fpc
• Fpm
• Ftp vref
• Ftpt
• Fuse 10a
• Fuse 15a
• G107 (left rear of engine compt)
• G108 (left rear of engine compt)
• Gen_com
• Hot at all times
• Hot in run or start
• Hs can+
• Hs can-
• Kapwr
• Liftgate/trunk module
• Parking aid module (pam) (at right side of trunk)
• Powertrain control module (left rear side of engine compt)
• Psps
• Pwr gnd
• Rdi
• Red
• Red/pnk
• Rx in
• S179
• S187 (in body main harness, near breakout to c248)
• S209
• Sccs
• Sccsrtn
• Sigrtn1
• Smc
• Starting/charging system
• Tcs
• Transmission control switch
• Tx_out
• Vpwr
• Vss

4.6L, Engine Performance Wiring Diagram (2 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L, Engine Performance Wiring Diagram (2 of 5) for Lincoln Town Car Signature L 2008:

• (at left side of trunk) fuel pump driver module
• (in engine control sensor & fuel charge wiring harness, near breakout to powertrain control module)
• (in fuel tank assembly) fuel tank unit
• (on lower left side of transmission) digital transmission range (dtr) sensor
• (on top left side of transmission) output shaft speed (oss) sensor
• (right rear of trunk) g401
• Anti-theft system
• C175t
• D n
• Epc
• Exterior lights system
• Ho2s-12
• Ho2s-22
• Htr-12
• Htr-22
• Instrument cluster system
• Oss
• Patil
• Powertrain control module (left rear side of engine compt)
• Red/pnk
• S146 (dash panel to headlamp junction, near central junction box (cjb))
• S147
• Sigrtn
• Ssa
• Ssb
• Starting/ charging system
• Tcc
• Tft
• Tr1
• Tr2
• Tr3a
• Tr4
• Tss
• Turbine shaft speed (tss) sensor (left side of transmission)
• Vapor management valve (vmv) solenoid

4.6L, Engine Performance Wiring Diagram (3 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L, Engine Performance Wiring Diagram (3 of 5) for Lincoln Town Car Signature L 2008:

• (engine control sensor & fuel charge harness, in breakout to powertrain control module)
• A/c pressure transducer sensor (right front of engine)
• Automatic transmission
• Battery junction box (bjb) (at right of engine compt)
• Central junction box (cjb) (behind left side of dash, to left of steering column)
• Epc
• Fuel pump relay
• Fuel rail pressure & temperature sensor (at right front side of engine)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• G102 (at right front fender)
• Heated oxygen sensor (ho2s) 11 (lower right rear of engine compt, in exhaust manifold)
• Hot at all times
• Hot in run or start
• Ignition coils relay
• Inertia fuel shutoff (ifs) switch (at left side of trunk)
• Pcm power diode
• Pcm power relay
• Power steering pressure switch (right front of engine compt)
• Red
• Red/pnk
• S123
• S126 (in engine harness, at rear of engine)
• S165 (in dash panel to headlamp junction harness, near breakout to g102)
• S167
• Ssa
• Ssb
• Tcc
• Tft

4.6L, Engine Performance Wiring Diagram (4 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L, Engine Performance Wiring Diagram (4 of 5) for Lincoln Town Car Signature L 2008:

• (at top of steering column) passive anti-theft transceiver module
• (engine control sensor & fuel charge harness, near breakout to heated oxygen
• (near left rear of transmission) heated oxygen sensor (ho2s) 22
• (near right rear of transmission) heated oxygen sensor (ho2s) 12
• Camshaft position sensor (left front of engine)
• Cylinder head temperature sensor (left front of engine)
• Dpfe
• Egr system module (esm) (top of engine)
• Evr
• Fuel injectors (1, 2, 3 & 4: top right of engine (5, 6, 7 & 8: top left of engine)
• G108 (left rear of engine compartment)
• Heated oxygen sensor (ho2s) 21 (lower left rear of engine compt, in exhaust manifold)
• Map
• Mass air flow (maf) sensor (left front of engine compt, near air cleaner assembly)
• Positive crankshaft ventilation (pcv) (top right front of engine)
• Pwr
• Red
• Red/pnk
• S179
• Sensor (ho2s) 11) s135
• Sigrtn
• Tan
• Tan/red
• Vrref

4.6L, Engine Performance Wiring Diagram (5 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L, Engine Performance Wiring Diagram (5 of 5) for Lincoln Town Car Signature L 2008:

• (left front of engine) ignition transformer capacitor
• Bvref
• C175e
• Cd1a
• Cd2d
• Cd3b
• Cd4g
• Cd5f
• Cd6e
• Cd7c
• Cd8h
• Cht
• Ckp+
• Ckp-
• Cmp
• Coils on plugs
• Cooling fans system
• Crankshaft position sensor (on right front of engine)
• Dpfe
• Electronic throttle control (etc) motor (top of engine)
• Etcrtn
• Evr
• Fc-v
• Frp
• Frt
• G108 (left rear of engine compt)
• Ho2s-11
• Ho2s-21
• Htr-11
• Htr-21
• Iat
• Inj1
• Inj2
• Inj3
• Inj4
• Inj5
• Inj6
• Inj7
• Inj8
• Knock sensor (left front of engine)
• Ks1+
• Ks1-
• Maf
• Mafrtn
• Map
• Nca
• Pcvhc
• Powertrain control module (left rear side of engine compt)
• Red
• Red/pnk
• S136 (in starter motor relay & battery ground harness, near breakout to fusible link a)
• S158
• S179
• Sigrtn
• Starting/ charging system
• Tacm+
• Tacm-
• Tan
• Tan/red
• Throttle position (tp) sensor
• Tp1-ns
• Tp2-ps
• Vmv
• Vref

4.6L FLEX FUEL

4.6L Flex Fuel, Engine Performance Wiring Diagram (1 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (1 of 5) for Lincoln Town Car Signature L 2008:

• A/c clutch relay
• Accelerator pedal position sensor
• Accr
• Accs
• Acpt
• Air conditioning system
• Anti-theft system
• App1
• App2
• App3
• Audio unit
• Battery junction box (bjb) (at right of engine compt)
• Bps
• C175b
• C290a
• C4081c
• Canvnt
• Case gnd
• Central junction box (cjb) (behind left side of dash, to left of steering column)
• Computer data lines system
• Cruise control system
• Cruise control system anti-theft system
• Etcref1
• Etcref2
• Etcrtn
• Evap canister vent control solenoid (center of trunk)
• Feps
• Fpc
• Fpm
• Ftp vref
• Ftpt
• Fuse 10a
• Fuse 15a
• G107 (left rear of engine compt)
• G108 (left rear of engine compt)
• Gen_com
• Hot at all times
• Hot in run or start
• Hs can+
• Hs can-
• Kapwr
• Liftgate/trunk module
• Parking aid module (pam) (at right side of trunk)
• Powertrain control module (left rear side of engine compt)
• Psps
• Pwr gnd
• Rdi
• Red
• Red/pnk
• Rx in
• S179
• S187 (in body main harness, near breakout to c248)
• S209
• Sccs
• Sccsrtn
• Sigrtn1
• Smc
• Starting/charging system
• Tcs
• Transmission control switch
• Tx_out
• Vpwr
• Vss

4.6L Flex Fuel, Engine Performance Wiring Diagram (2 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (2 of 5) for Lincoln Town Car Signature L 2008:

• (at left side of trunk) fuel pump driver module
• (in engine control sensor & fuel charge wiring harness, near breakout to powertrain control module)
• (in fuel tank assembly) fuel tank unit
• (on lower left side of transmission) digital transmission range (dtr) sensor
• (on top left side of transmission) output shaft speed (oss) sensor
• (right rear of trunk) g401
• Anti-theft system
• C175t
• D n
• Epc
• Exterior lights system
• Ho2s-12
• Ho2s-22
• Htr-12
• Htr-22
• Instrument cluster system
• Oss
• Patil
• Powertrain control module (left rear side of engine compt)
• Red/pnk
• S146 (dash panel to headlamp junction, near central junction box (cjb))
• S147
• Sigrtn
• Ssa
• Ssb
• Starting/ charging system
• Tcc
• Tft
• Tr1
• Tr2
• Tr3a
• Tr4
• Tss
• Turbine shaft speed (tss) sensor (left side of transmission)
• Vapor management valve (vmv) solenoid

4.6L Flex Fuel, Engine Performance Wiring Diagram (3 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (3 of 5) for Lincoln Town Car Signature L 2008:

• (engine control sensor & fuel charge harness, in breakout to powertrain control module)
• A/c pressure transducer sensor (right front of engine)
• Automatic transmission
• Battery junction box (bjb) (at right of engine compt)
• Central junction box (cjb) (behind left side of dash, to left of steering column)
• Epc
• Fuel pump relay
• Fuel rail pressure & temperature sensor (at right front side of engine)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• G102 (at right front fender)
• Heated oxygen sensor (ho2s) 11 (lower right rear of engine compt, in exhaust manifold)
• Hot at all times
• Hot in run or start
• Ignition coils relay
• Inertia fuel shutoff (ifs) switch (at left side of trunk)
• Pcm power diode
• Pcm power relay
• Power steering pressure switch (right front of engine compt)
• Red
• Red/pnk
• S123
• S126 (in engine harness, at rear of engine)
• S165 (in dash panel to headlamp junction harness, near breakout to g102)
• S167
• Ssa
• Ssb
• Tcc
• Tft

4.6L Flex Fuel, Engine Performance Wiring Diagram (4 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (4 of 5) for Lincoln Town Car Signature L 2008:

• (at top of steering column) passive anti-theft transceiver module
• (engine control sensor & fuel charge harness, near breakout to heated oxygen
• (near left rear of transmission) heated oxygen sensor (ho2s) 22
• (near right rear of transmission) heated oxygen sensor (ho2s) 12
• Camshaft position sensor (left front of engine)
• Cylinder head temperature sensor (left front of engine)
• Dpfe
• Egr system module (esm) (top of engine)
• Evr
• Fuel injectors (1, 2, 3 & 4: top right of engine (5, 6, 7 & 8: top left of engine)
• G108 (left rear of engine compartment)
• Heated oxygen sensor (ho2s) 21 (lower left rear of engine compt, in exhaust manifold)
• Map
• Mass air flow (maf) sensor (left front of engine compt, near air cleaner assembly)
• Positive crankshaft ventilation (pcv) (top right front of engine)
• Pwr
• Red
• Red/pnk
• S179
• Sensor (ho2s) 11) s135
• Sigrtn
• Tan
• Tan/red
• Vrref

4.6L Flex Fuel, Engine Performance Wiring Diagram (5 of 5) for Lincoln Town Car Signature L 2008

List of elements for 4.6L Flex Fuel, Engine Performance Wiring Diagram (5 of 5) for Lincoln Town Car Signature L 2008:

• (left front of engine) ignition transformer capacitor
• Bvref
• C175e
• Cd1a
• Cd2d
• Cd3b
• Cd4g
• Cd5f
• Cd6e
• Cd7c
• Cd8h
• Cht
• Ckp+
• Ckp-
• Cmp
• Coils on plugs
• Cooling fans system
• Crankshaft position sensor (on right front of engine)
• Dpfe
• Electronic throttle control (etc) motor (top of engine)
• Etcrtn
• Evr
• Fc-v
• Frp
• Frt
• G108 (left rear of engine compt)
• Ho2s-11
• Ho2s-21
• Htr-11
• Htr-21
• Iat
• Inj1
• Inj2
• Inj3
• Inj4
• Inj5
• Inj6
• Inj7
• Inj8
• Knock sensor (left front of engine)
• Ks1+
• Ks1-
• Maf
• Mafrtn
• Map
• Nca
• Pcvhc
• Powertrain control module (left rear side of engine compt)
• Red
• Red/pnk
• S136 (in starter motor relay & battery ground harness, near breakout to fusible link a)
• S158
• S179
• Sigrtn
• Starting/ charging system
• Tacm+
• Tacm-
• Tan
• Tan/red
• Throttle position (tp) sensor
• Tp1-ns
• Tp2-ps
• Vmv
• Vref