ENGINE PERFORMANCE – Mercury Cougar 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L

2.0L, Engine Performance Wiring Diagrams (1 of 3) for Mercury Cougar 1999

List of elements for 2.0L, Engine Performance Wiring Diagrams (1 of 3) for Mercury Cougar 1999:

• (a/t only) gearshift lever unit
• (right side of firewall) g123
• (under center console)
• (under left side of dash)
• (under left side of dash) central junction box
• (w/ abs)
• (w/ abs) s282
• 10-mb37
• 14s-pc72
• 14s-pc74
• 14s-pf21
• 4-pc28
• 5-pc28
• 8-ce6
• 8-ga6
• 8-gb10
• 8-mb37
• 8-mh6
• 8-pb9
• 8-pc11
• 8-pc19
• 8-pc31
• 8-pc81
• 8-pf26
• 9-pc19
• 9-pc78
• 9-pc79
• 9-pc8
• 91-pc28
• 91-pc99
• 91s-pa17
• 91s-pa7
• 91s-pb29
• 91s-pc85
• 91s-pf23
• 91s-pf24
• Acc
• Air charge temperature sensor (on air cleaner housing assembly)
• Air conditioning (dual press sw)
• Anti theft mod
• Anti theft system
• Battery junction box (left front corner of engine compt)
• C333
• C334
• C361
• C371
• C372
• Check engine ind
• Cooling fans (high speed relay)
• Cooling fans (low speed relay)
• Cps return
• Cps signal
• Crankshaft position sensor (lower left rear of engine)
• Cta ctrl
• Data link conn +
• Data link conn -
• Data link connector (dlc) (under center
• Data link power
• Fuel flow
• Fuel level sen
• Fuel pump module (under center of rear seat)
• Fuel pump mon
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 80a
• G106 (left front of engine compt)
• G120 (left front of engine)
• G203 (right kick panel)
• G404 (left rear of vehicle)
• Ground
• Hi press cutoff
• High speed fan
• Ho2s 12
• Hot at all times
• Ignition coil
• Ignition relay
• Ignition relay diode
• Ignition switch
• Ignition transformer (on rear of cylinder head)
• Ignition transformer capacitor (on rear of cylinder head)
• Inertia fuel shut-off switch (behind left kick panel)
• Intake air temp
• Lo speed fan
• Lock
• Maf return
• Of dash)
• Off
• P/s press sw
• Pcm power relay
• Plugs
• Powertrain control module (pcm) (right rear corner of engine compt, behind power steering reservoir)
• Red
• Run
• S250
• S281
• S363
• S414 (near cylinder head)
• S62
• Shift sol 1
• Shift sol 2
• Start
• Tachometer
• Temp sens
• To spark
• Trans cntrl sw
• Trans temp

2.0L, Engine Performance Wiring Diagrams (2 of 3) for Mercury Cougar 1999

List of elements for 2.0L, Engine Performance Wiring Diagrams (2 of 3) for Mercury Cougar 1999:

• (a/t)
• (engine harn)
• (engine harness)
• (m/t)
• (on right side of engine)
• (right side of engine) compt)
• A/t
• A40 transmission
• C808a
• C808b
• Check engine c808a
• Electric pressure control solenoid
• Engine coolant temperature (ect) sensor (upper left rear of engine)
• Fuel flow
• Fuel gauge c808b
• Fuel pump module (under center of rear seat)
• Fuel tank pressure transducer sensor (on fuel tank)
• G203 (right kick panel)
• Heated oxygen
• Higher option
• Instrument cluster
• Knock sensor
• Lower option
• M/t
• Modulated lockup solenoid
• Nca
• O/d off
• Power steering pressure switch (on left front of engine)
• S3005
• S3053 (a/t)
• S359
• S406 (behind left side of dash)
• S48 (engine harness)
• S53
• S54
• S66 (near trans)
• Sensor (ho2s) (front 11) (on left side of engine, in exhaust manifold)
• Sensor (ho2s) (rear 12) (on left side of engine, in exhaust, behind converter)
• Shift solenoid no 1
• Shift solenoid no 2
• Shift solenoid no 3
• Shorting bar conn 1
• Tachometer c808a
• Throttle position sensor (on throttle body)
• Transmission oil temperature sensor
• Vss signal

2.0L, Engine Performance Wiring Diagrams (3 of 3) for Mercury Cougar 1999

List of elements for 2.0L, Engine Performance Wiring Diagrams (3 of 3) for Mercury Cougar 1999:

• (a/t only)
• (at cylinder head) s47
• (engine harn) s59
• (engine harness)
• (near batt junct box) s147
• (on clutch pedal support) clutch pedal position switch
• (on fuel tank)
• (on transmission, at rear of engine)
• (right rear of engine compt) evap canister purge solenoid
• (right side of engine compt) s366
• 14s-pc73
• 31s-mb36
• 33-xl65
• 7-pc28
• 8-bb6
• 8-pb33
• 8-pc53
• 8-pc54
• 8-pc64
• 8-pc71
• 8-pc8
• 8-pc89
• 8-pf27
• 8-pf9
• 8-wc22
• 89-pc28
• 9-pc19
• 9-pc28
• 91-pc28
• 91s-ca11
• 91s-pa17
• 91s-pb39
• 91s-pc14
• 91s-pc35
• 91s-pc40
• 91s-pc45
• 91s-pc46
• 91s-pc47
• 91s-pc48
• 91s-pc54
• 91s-pc81
• 91s-pf17
• 91s-pf20
• 91s-pf25
• 95-pc28
• A/t
• Air conditioning
• Air conditioning (a/c wide open throttle relay)
• Anti theft system
• Battery junction box (left front corner of engine compt)
• Camshaft position sensor (on cylinder head, upper left rear of engine)
• Camshaft timing actuator (on top side, front of engine)
• Canister purge
• Central junction box (under left sdie of dash)
• Cmp return
• Cmp sens sig
• Cooling fans
• Cp sw (m/t)
• Dual press sw
• Elect press
• Evap valve
• Evaporative emission (evap) canister vent valve
• Exterior lights (brake switch)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel injectors
• Fuel pressure
• Fuel pump rly
• Fuse 15a
• Fuse 3a
• G110 (left front of engine)
• Ground
• Ho2s 11
• Ho2s 12
• Hot at all times
• Iac valve
• Idle speed control valve (on upper right side of engine)
• Ignition power
• Keep alive pwr
• Knock sensor
• M/t
• Maf sensor sig
• Mass air flow sensor (on air cleaner housing assembly)
• Not used
• O/d off ind
• Pats ind
• Powertrain control module (right rear corner of engine compt, behind power steering reservoir)
• Ref voltage
• S130 (behind left side of dash)
• S250
• S351
• S367 (behind left side of dash)
• S60
• S62
• Shft sol 3
• Signal control
• Stop lamp
• Stoplamp switch (on bracket, above brake pedal)
• System
• Tcc sol signal
• Tp sig signal
• Tr sens (a/t)
• Transmission range sensor
• Turbine shaft
• Turbine shaft speed sensor (lower left rear of engine compt)
• Vehicle speeed sensor (lower rear of transaxle)
• Vss signal
• Wot a/c relay

2.5L

2.5L, Engine Performance Wiring Diagrams (1 of 3) for Mercury Cougar 1999

List of elements for 2.5L, Engine Performance Wiring Diagrams (1 of 3) for Mercury Cougar 1999:

• (a/t only) gearshift lever unit
• (at center console)
• (near battery junction box)
• (right side of firewall) g123
• (under left side of dash)
• (under left side of dash) central junction box
• (w/abs)
• 10-mb37
• 14s-pc72
• 14s-pc74
• 14s-pf21
• 4-pc28
• 5-pc28
• 8-ce6
• 8-ga6
• 8-gb10
• 8-mb37
• 8-mh6
• 8-pb9
• 8-pc11
• 8-pc19
• 8-pc31
• 8-pc81
• 8-pf26
• 9-pc19
• 9-pc78
• 9-pc79
• 9-pc8
• 91-pc28a
• 91-pc28c
• 91-pc99
• 91s-pa17
• 91s-pa7
• 91s-pb35
• 91s-pb37
• 91s-pb38
• 91s-pc35
• 91s-pc47
• 91s-pc85
• 91s-pf23
• 91s-pf24
• Acc
• Air charge temperature sensor (on air cleaner housing assembly)
• Air conditioning system
• Anti theft system
• Battery junction box (left front corner of engine compt)
• C333
• C334
• C361
• C371
• C372
• Center of dash)
• Check engine ind
• Ckp sensor
• Ckp ssensor
• Cooling fans
• Cooling fans (high speed relay)
• Cooling fans (low speed relay)
• Crankshaft position sensor (lower front of engine)
• Data link conn +
• Data link conn -
• Data link connector (under
• Data link power
• Evr solenoid
• Fuel flow
• Fuel inj 3
• Fuel level sen
• Fuel pump module (under center of rear seat)
• Fuel pump mon
• Fuel pump relay
• Fuse 15a
• Fuse 20a
• Fuse 80a
• G106
• G110 (left front of engine)
• G203 (right kick panel)
• G404 (left rear of vehicle)
• Ground
• Head)
• Hi press cutoff
• High speed fan
• Hos2 12
• Hot at all times
• Ignition coil
• Ignition coil (on right side of engine)
• Ignition relay
• Ignition relay diode
• Ignition switch
• Ignition transformer capacitor (top right side of engine)
• Imrc control
• Inertia fuel shut-off switch (behind left kick panel)
• Intake air temp
• Lo speed fan
• Lock
• Maf return
• Off
• P/s press sw
• Pats
• Pcm power relay
• Plugs
• Powertrain control module (pcm) (right rear of engine compt, behind power steering reservoir)
• Red
• Run
• S147
• S250
• S281
• S282
• S357
• S363
• S414
• S62
• Shift sol 1
• Shift sol 2
• Start
• Tachometer
• Temp sens
• To spark
• Trans cntrl sw
• Trans temp

2.5L, Engine Performance Wiring Diagrams (2 of 3) for Mercury Cougar 1999

List of elements for 2.5L, Engine Performance Wiring Diagrams (2 of 3) for Mercury Cougar 1999:

• (behind left side of dash)
• (cyl head) s48
• (engine harn)
• (engine harness)
• (on right rear of engine) knock sensor
• (on top center of engine) electronic vacuum regulator (evr) solenoid valve
• (on top of engine) intake manifold
• (right side of engine compt)
• 808b
• A/t
• A40 transmission
• Check engine c808a
• Electric pressure control solenoid
• Engine coolant temperature (etc) sensor (upper right rear of engine)
• Exhaust pressure transducer sensor (on right rear of engine)
• Fuel flow
• Fuel gauge c808b
• Fuel pump module (under center of rear seat)
• Fuel tank pressure transducer sensor (on fuel tank)
• G110 (left front of engine)
• G203 (right kick panel)
• Heated oxygen sensor (ho2s) (front 11) (right side of engine, in exhaust manifold)
• Heated oxygen sensor (ho2s) (front 21) (left side of engine, in exhaust manifold)
• Heated oxygen sensor (ho2s) (rear 12) (right side of engine, behind converter)
• Heated oxygen sensor (ho2s) (rear 22) (left side of engine, behind converter)
• Higher 808b option
• Instrument cluster
• Lower option
• M/t
• Modulated lockup solenoid
• Nca
• O/d off c808a
• Power steering pressure switch (on right front of engine)
• Runner control module
• S178
• S3005
• S359
• S406
• S53 (m/t) s67 (a/t) (engine harness)
• S54
• S62
• Shift solenoid
• Shorting bar conn 1
• Tachometer c808a
• Throttle position sensor (on throttle body)
• Transmission oil temperature sensor
• Vss signal c808b

2.5L, Engine Performance Wiring Diagrams (3 of 3) for Mercury Cougar 1999

List of elements for 2.5L, Engine Performance Wiring Diagrams (3 of 3) for Mercury Cougar 1999:

• (a/t only)
• (a/t)
• (engine harn)
• (near cylinder head)
• (on fuel tank)
• (on transmission, at rear of engine)
• (right rear of eng compt) s366
• (right rear of engine compt) evap canister purge solenoid valve
• (under left side of dash, on clutch pedal support) clutch pedal position switch
• 29s-pc73
• 31s-mb36
• 7-pc28
• 8-bb6
• 8-pb33
• 8-pc43
• 8-pc53
• 8-pc54
• 8-pc58
• 8-pc64
• 8-pc71
• 8-pc8
• 8-pc82
• 8-pc89
• 8-pf27
• 8-pf9
• 8-wc22
• 89-pc28
• 9-pc28
• 9-pc71 (or 9-pc28a)
• 9-pc80
• 91-pc28
• 91s-ca11
• 91s-pa17a
• 91s-pb39
• 91s-pc14
• 91s-pc40
• 91s-pc43
• 91s-pc45
• 91s-pc46
• 91s-pc48
• 91s-pc49
• 91s-pc50
• 91s-pc54
• 91s-pc58
• 91s-pc81
• 91s-pf17
• 91s-pf20
• 91s-pf25
• 95-pc28
• 95-pc28a
• A/t
• Air conditioning system
• Anti theft system
• Battery junction box (left front corner of engine compt)
• Camshaft position sensor (on front of engine)
• Canister purge
• Central junction box (under left side of dash)
• Cmp sens (a/t)
• Cp sw (m/t)
• Cruise control system
• Dual press sw
• Elect press
• Ept sensor
• Evap valve
• Evaporative emission (evap) canister vent valve
• Fuel inj 1
• Fuel inj 2
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• Fuel pressure
• Fuse 15a
• Fuse 3a
• G110 (left front of engine)
• Ground
• Ho2s 11
• Ho2s 12
• Ho2s 21
• Ho2s 22
• Hot at all times
• Iac valve
• Idle speed control valve (upper right side of engine)
• Ignition power
• Igntion coil
• Keep alive pwr
• Knock sens m/t
• M/t
• Maf sensor sig
• Mass air flow sensor (on air cleaner housing assembly)
• Mod lock sol
• Not used
• O/d off
• Pats
• Powertrain control module (right rear corner of engine compt, behind power steering reservoir)
• Ref voltage
• S130 (behind left side of dash)
• S250
• S351
• S367 (behind left side of dash)
• S407 (a/t only) (near engine)
• S50 (near engine)
• S51
• S59
• S62
• Sen return
• Shft sol 3
• Signal control
• Stop lamp
• Stop lamp switch (on bracket above brake pedal)
• Tp sig signal
• Tr sens (a/t)
• Transmission range sensor
• Turbine shaft
• Turbine shaft speed sensor (lower left rear of engine compt)
• Vehicle speeed sensor (right side of transaxle)
• Vss signal
• Wot a/c relay