Wiring diagrams for Mercury Cougar VIII (1998-2002)

Heater circuit Manual a/c circuit

Anti-lock brake circuits, without traction control Anti-lock brake circuits, with traction control

Forced entry circuit

Computer data lines

Cooling fan circuit

Cruise control circuit

Defogger circuit

Wiring diagram engine performance 2.0ls

Wiring diagram engine performance 2.5ls

Back-up lamps circuit Park & license lamps circuit, high option content Park & license lamps circuit, low option content Turn & hazard & stop lamps circuit

Ground distribution circuit

Headlight circuit, with drl Headlight circuit, without drl

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit, high option content Courtesy lamps circuit, low option content Instrument illumination circuit, high option content Instrument illumination circuit, low option content

Power distribution circuit

Power door lock circuit

Power mirror circuit

8-way adjustable power seat circuit Seat height adjuster circuit

Power top/sunroof circuits

Power window circuit

Radio circuits, high option content Radio circuits, low option content

Shift interlock circuit

Charging circuit Starting circuit

Supplemental restraint circuit

2.5l, a/t circuit

Trunk/tailgate release circuit

Warning system circuits

Wiper/washer circuit

A/C COMPRESSOR CLUTCH DIODE ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM WARNING SYSTEM EXTERIOR LIGHTS SYSTEM BATTERY JUNCTION BOX CMP RETURN GROUND IGNITION COIL GROUND GROUND IGNITION COIL GROUND GROUND IGNITION COIL START SIG GROUND IGNITION COIL GROUND IGNITION COIL PATS MODULE FUEL PUMP ILLUM. LAMP PARK LOCK SOL LOCK OFF PASSIVE ANTI-THEFT TRANSCEIVER MODULE SECOND HORN (RIGHT FRONT

(ENGINE HARN, (ENGINE HARNESS, (LEFT REAR OF ENGINE COMPARTMENT, (RIGHT SIDE OF ENGINE AIR TEMPERATURE ACTUATOR ANTI-LOCK BRAKES SYSTEM INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM CHECK ENGINE CHECK ENGINE IND CHECK ENGINE TACHO- METER COOLING FANS, ENGINE CONTROLS SYSTEM DECKLID MOTOR DRIVER SIDE DOOR LOCK MOTOR ENGINE CONTROLS ENGINE CONTROLS SYSTEM ENGINE COOLANT ENGINE COOLING FAN MOTOR A/C COMPRESSOR CLUTCH ENGINE COOLING FAN MOTOR SECOND COOLING FAN MOTOR FRONT DRIVER SIDE WINDOW REGULATING MOTOR FRONT PASSENGER SIDE WINDOW REGULATING MOTOR FRONT SEAT FORWARD/ REVERSE MOTOR FRONT SEAT HEIGHT MOTOR HEADLIGHTS SYSTEM ENGINE CONTROLS SYSTEM HORN (RIGHT FRONT OF ENGINE KEY REMOVAL INHIBIT SOLENOID AIR TEMPERATURE ACTUATOR LUMBAR COM- PRESSOR MOTOR OF ENGINE COMPT) PASSENGER SIDE DOOR LOCK MOTOR PASSENGER SIDE MIRROR MOTOR REAR WINDOW WIPER MOTOR RECLINER MOTOR SECOND COOLING FAN MOTOR SLIDING ROOF MOTOR STARTER MOTOR TOP OF ENGINE) TWO-WAY WASHER PUMP MOTOR WINDSHIELD WIPER MOTOR

DATA LINK CONNECTOR

ABS CONTROL MODULE ABS CONTROL MODULE INSTRUMENT CLUSTER INTAKE MANIFOLD RUNNER CONTROL MODULE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE (RIGHT REAR CORNER OF ENGINE COMPT, BEHIND POWER SPEED CONTROL MODULE

ANTI-THEFT CENTRAL LOCKING MODULE GEARSHIFT LEVER UNIT ANTI-THEFT/CENTRAL LOCKING MODULE, GEARSHIFT LEVER UNIT FUEL TANK UNIT GEAR- SHIFT LEVER UNIT GEARSHIFT LEVER UNIT SLIDING ROOF OPENING PANEL UNIT TO LEVER UNIT GEARSHIFT TRANSMISSION HARDWARE UNIT SHIFT SOLENOIDS

FUSE 2 FUSE 3 FUSE 6 FUSE 7 FUSE 7 FUSE 6 FUSE 9 FUSE 11 FUSE 12 FUSE 15 FUSE 16 FUSE 17 FUSE 18 FUSE 19 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 28 FUSE 29 FUSE 30 FUSE 30 FUSE 32 FUSE 31 FUSE 33 FUSE 34 FUSE 35 FUSE 36 FUSE 37 FUSE 38 FUSE 40 FUSE 40 FUSE 42 FUSE 41 FUSE 41 FUSE 45 FUSE 49 FUSE 51 FUSE 52 HOT AT ALL TIMES FUSE 28 MEGA FUSE

HEATER PANEL ILLUMINATION LAMP RIGHT SIDE MIRROR HEATER LEFT SIDE MIRROR HEATER

AIR BAG INDICATOR CHARGE INDICATOR INDICATOR DRIVER PATS INDICATOR SEAT BELT INDICATOR

FRONT INTERIOR LAMP GLOVE BOX LAMP) INTERIOR LIGHTS LEFT FOG LAMP LEFT FRONT PARK/ TURN LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT SIDE TURN SIGNAL LAMP LEFT HEAD- LAMP HI LEFT LICENSE PLATE LAMP LEFT REAR LAMP ASSEMBLY LEFT REAR LAMP ASSEMBLY HIGH MOUNTED STOPLAMP LEFT SIDE FRONT PARK/ TURN SIGNAL LAMP LEFT SIDE TURN SIGNAL LAMP LEFT VANITY MIRROR LAMP RIGHT VANITY MIRROR LAMP LIGHTS ON IND LUGGAGE COMPARTMENT LAMP PARK LAMP SW RIGHT FOG LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT SIDE TURN SIGNAL LAMP RIGHT LICENSE PLATE LAMP RIGHT REAR LAMP ASSEMBLY RIGHT SIDE FRONT PARK/ TURN SIGNAL LAMP RIGHT SIDE TURN SIGNAL LAMP TO LUGGAGE COMPT LAMP

FUEL PUMP MODULE MAF RETURN TRANS TEMP TEMP SENS ACT SENS FUEL PUMP MODULE HI PRESS CUTOFF IMRC TEMP SENS INTAKE AIR TEMP FUEL PUMP MODULE HI PRESS CUTOFF PATS IND

ANTI-THEFT FLASHER RELAY COURTESY LAMP RELAY COURTESY LAMP RELAY REAR WINDOW DEFROST RELAY DAYTIME RUNNING LAMPS RELAY DRL RELAY ENGINE COOLING FAN RELAY EVAP VALVE FAN RELAY WOT A/C RELAY FUEL INJ 1 IGNITION POWER FOGLIGHT RELAY FUEL PUMP RELAY HEATER BLOWER RELAY HEATER BLOWER RELAY IGNITION RELAY HI-BEAM HEADLAMP RELAY HIGH BEAM RELAY HIGH SPEED ENGINE COOLING FAN RELAY HORN RELAY IGNITION RELAY IGNITION RELAY DIODE LIFTGATE/ DECKLID RELEASE SWITCH FOG LAMP RELAY LO BEAM HEADLAMP RELAY LOW BEAM RELAY MULTI- FUNCTION SWITCH ANTI-THEFT FLASHER RELAY ONE-TOUCH WINDOW RELAY PCM POWER RELAY REAR WINDOW DEFROST RELAY SLIDING ROOF RELAY STARTER RELAY STARTER RELAY DIODE STARTER RELAY HIGH BEAM RELAY PCM POWER RELAY TAILGATE AJAR RELAY 1 TAILGATE AJAR RELAY 2 TAILGATE AJAR RELAY 2 TAILGATE AJAR RELAY 2 TO TAILGATE AJAR RELAY 1 TURN SIGNAL RELAY WINDSHIELD WIPER RELAY

COOLANT TEMPERATURE SENSOR LEFT SIDE SENSOR LEFT SIDE SENSOR RIGHT SIDE SENSOR RIGHT SIDE SENSOR MASS AIRFLOW SENSOR TCC SOL ELECT PRESS START SIG IAC VALVE TSS SENSOR CMP SENS SIG DUAL PRESS SW TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION OIL TEMPERATURE SENSOR TRANSMISSION RANGE SENSOR VEHICLE SPEED SENSOR

L REAR SPEAKER L REAR SPEAKER L FRONT SPEAKER L FRONT SPEAKER LEFT FRONT SPEAKER LEFT REAR SPEAKER R REAR SPEAKER R REAR SPEAKER R FRONT SPEAKER R FRONT SPEAKER RIGHT FRONT SPEAKER RIGHT REAR SPEAKER

AIR TEMPERATURE ACTUATOR HEATER MODE SWITCH BRAKE FLUID LEVEL SWITCH BRAKE PEDAL POSITION SWITCH DIMMER SWITCH FLASH-TO- PASS SWITCH DISABLE/ENABLE SWITCH DRIVER DOOR LOCK/ UNLOCK SWITCH DRIVER DOOR LOCK/ UNLOCK SWITCH POWER MIRROR ADJUST SWITCH DRIVER DOOR LOCK/UNLOCK SWITCH DRIVER POWER SEAT SWITCH POWER SEAT SWITCH DRIVER POWER WINDOW SWITCH DRIVER SIDE FOR PASSENGER SIDE WINDOW OPERATING SWITCH DRIVER SIDE FRONT WINDOW OPERATING SWITCH DRIVER SIDE PASSENGER WINDOW OPERATING SWITCH DUAL PRESSURE SWITCH FOG LAMPS SWITCH GLOVE BOX LAMP SWITCH REAR WINDOW DEFROST SWITCH GLOVE BOX LAMP/ SWITCH HEADLAMP SWITCH HEADLAMP SWITCH PANEL ILLUMINATION HEADLIGHT SWITCH PANEL ILLUMINATION LAMP HEATER BLOWER SERIES RESISTOR HEATER BLOWER SWITCH HEATER BLOWER SWITCH HEATER MODE SWITCH HORN SWITCH HOT AT ALL TIMES MAIN LIGHT SWITCH HEAD OFF IGNITION SWITCH KEY-IN IGNITION SWITCH LEFT FRONT DOOR COURTESY LAMP SWITCH LIFTGATE/ DECKLID ANTI-THEFT INHIBIT SWITCH DRIVER SIDE MIRROR MOTOR LIFTGATE/ DECKLID RELEASE SWITCH LIFTGATE/DECKLID RELEASE SWITCH LIGHT SWITCH LOW CLEANING WATER LEVEL SWITCH LOW COOLANT LEVEL SWITCH MAIN LIGHT SWITCH MULTI- FUNCTION SWITCH MULTI- FUNCTION SWITCH LIGHT SWITCH MULTIFUNCTION SWITCH O/D SWITCH OVER- DRIVE CANCEL SWITCH PARK/ NEUTRAL POSITION SWITCH PASSENGER DOOR LOCK/ UNLOCK SWITCH PASSENGER DOOR LOCK/UNLOCK SWITCH PASSENGER SIDE FRONT WINDOW OPERATING SWITCH PASSENGER SIDE WINDOW OPERATING SWITCH PASSENGER SIDE WINDOW OPERATING SWITCH PASSENGER DOOR LOCK/ UNLOCK SWITCH POWER MIRROR ADJUST SWITCH POWER MIRROR ADJUST SWITCH LUGGAGE COMPARTMENT LAMP POWER SEAT SWITCH REAR LIFTGATE/ DECKLID SWITCH REAR WINDOW DEFROST SWITCH REAR WINDOW DEFROST SWITCH SWITCH RIGHT FRONT DOOR COURTESY LAMP SWITCH RIGHT FRONT DOOR COURTESY LAMP SWITCH LEFT LICENSE PLATE LAMP RIGHT FRONT PARK/ TURN LAMP ENGINE COMPARTMENT SWITCH SAFETY BELT BUCKLE SWITCH DRIVER POWER SEAT SWITCH POWER SEAT SWITCH SAFETY BELT BUCKLE SWITCH FUEL PUMP DRIVER MODULE SLIDING ROOF ADJUST SWITCH SLIDING ROOF SWITCH CLOSE/OPEN SLIDING ROOF SWITCH UP/DOWN SPEED CONTROL/ HORN SWITCH SPEED CONTROL/ HORN SWITCH ASSEMBLY STOPLIGHT SWITCH TRACTION CONTROL SYSTEM DISABLE SWITCH TRIP COMPUTER SWITCH TURN SIGNAL SWITCH UP DIRECTIONAL CONTROL SWITCH VARIABLE INTERMITTENT SWITCH WIPER/ WASHER SWITCH

ELECTRIC PRESSURE CONTROL SOLENOID ELECTRONIC PRESSURE CONTROL SOLENOID IAC VALVE KEY REMOVAL INHIBIT SOLENOID MODULATED LOCKUP SOLENOID SHIFT SOLENOID 1 SHIFT SOLENOID 2 SHIFT SOLENOID 3

BLK ORG/ WIRE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/ORG WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE NCA NCA WIRE NCA WIRE ORG YEL/ WIRE ORG/ WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/WHT WIRE ORG/YEL WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RUN WIRE VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE

2-WAY POWER SEAT 8-WAY POWER SEAT 2.0L 2.0L 2.5L 2.5L 2.5L 2.0L 2.5L W/ M/T 2.5L W/ A/T 3 BULBS 8-WAY POWER SEAT 2-WAY POWER SEAT 25 26 GROUND RIGHT SIDE AIR BAG 2000- 2001 (OR (W/ REMOTE CONTROL A/C COMPRESSOR CLUTCH A/C SYSTEM A/T A/T A/T M/T ABS IND. AIR BAG DIAGNOSTIC MONITOR AIR BAG IND AIR BAG SLIDING CONTACT AIR CHARGE TEMP AIR CONDITIONING AIR CONDITIONING, ANTI-THEFT, COOLING FANS ANTI-THEFT SYSTEM ANTI-THEFT/ CENTRAL LOCKING MODULE AUXILIARY WARNING SYSTEM DISPLAY ASSEMBLY BACK-UP BELT REMINDER MODULE BRAKE FLUID/ PARK BRAKE CD CHANGER CENTER CONSOLE CENTRAL JUNCTION BOX CENTRAL LOCKING CENTRAL LOCKING) (W/ REMOTE CONTROL CENTRAL TIMER CENTRAL TIMER MODULE CHARGE IND CLOCK UNITS CLOCK- SPRING CLOCK/ ODOMETER BOARD COMPUTER CMP RETURN GROUND COMPT) COMPUTER DATA LINES SYSTEM COOLING FANS, AIR CONDITIONING COOLING FANS, ANTI-THEFT, AIR CONDITIONING CRUISE CONTROL SYSTEM CRUISE SYSTEM CONTROL CTA CTRL DATA LINK CONN - DATA LINK CONN + HIGH SPEED FAN DATA LINK POWER DEFOGGER SYSTEM DEFROST REFROST DEFROST SW DISPLAY ASSEMBLY, AUXILIARY WARNING SYSTEM DN UP DOOR LOCKS SYSTEM DOORS SW DOWN, OPEN UP, CLOSE DRIVER AIR BAG MODULE DRIVER DOOR SW DRIVER'S DOOR DURETEC-VE EARLY PRODUCTION EVR SOL TACHOMETER FAST OFF NORM INT FOG LAMPS IND FOGLIGHTS IND FRONT CIGAR LIGHTER FRONT WASHER ON FUEL GAUGE FUEL INJ 4 FUEL INJ 2 IGNITION POWER FUEL INJECTORS FUEL LEVEL SEN FUEL TANK PRESS FUEL LINE PRESS CP SW FUEL TANK PRESS FUEL LINE PRESS CP SW TR SENS EPT SENS FUSED IGNITION GROUND FUSIBLE LINK 1 FWD REV GA-15 HAZARD SWITCHES HEAD PARK HEADLIGHTS SYSTEM HEATED OXYGEN HI-BEAM IND HIGH MOUNTED STOPLAMP HIGH OPTION HIGH OPTION CONTENT HIGHER OPTION HIGHER OPTION CONTENT HIGHER OPTION CONTENT LOWER OPTION CONTENT HOT AT ALL TIMES HOT IN PARK OR HEAD HOT IN RUN AND START HOT IN RUN OR START HOT IN RUN OR START CENTRAL JUNCTION BOX HOT IN START OR RUN IGNITION SW IGNITION TRANSFORMER IGNITION TRANSFORMER CAPACITOR IGNITION TRANSFORMER IGNITION TRANSFORMER CAPACITOR ILLUM ENTRY ILLUMINATION DIMMER IMRC FUEL LEVEL SEN INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT INTERFACE MODULE INTER WIPER SW KEY ILLUM SW KEY IN IGN SW LATE PRODUCTION LEFT HEADLAMP LEFT HEADLAMP HI LEFT POWER/ HEATED MIRROR LEFT RIGHT LEFT TURN LEFT TURN IND LEFT VANITY MIRROR LOW BRAKE FLUID LEVEL/ PARK BRAKE IND LOW COOLANT LEVEL IND LOW FUEL IND LOW MED LOW MEDIUM LOW OIL PRESSURE IND LOW OPTION LOW OPTION CONTENT LOWER OPTION LOWER OPTION CONTENT LOWER OPTION CONTENT HIGHER OPTION CONTENT M/T A/T MAF RETURN MICRO- PROCESSOR NORMAL HAZARD NOT USED OD OFF OFF FLOOR PAN/FLR DEF/FLR PANEL DEFROST OFF HEAD PARK OFF ON OFF PAN/FLR PANEL FLOOR A/C DEF/FLR MAX A/C DEFROST OFF PAN/FLR PANEL FLOOR DEF/FLR A/C DEFROST MAX A/C OFF PARK OFF TURN SIGNAL SWITCHES OFF/ HIGH P/S PRESS SW P/S PRESS SW KS SENS VSS RETURN PARK OFF HEAD PASS HI HI PASS NEUTRAL NEUTRAL PASSENGER AIR BAG MODULE PATS MODULE FUEL INJ 3 CKP SENS SIGNAL CKP SENS RETURN PATS MODULE INJ 3 CPS SIGNAL CPS RETURN POWER DISTRIBUTION CIRCUIT POWER DISTRIBUTION SYSTEM REAR FOGLIGHTS IND REAR WASHER ON REAR WINDOW DEFROST GRID REAR WIPER ON REMOTE ENTRY IN RESET+ REV FWD RIGHT HEADLAMP RIGHT HEADLAMP LO RIGHT POWER/ HEATED MIRROR LEFT/ RIGHT RIGHT SIDE AIR BAG LEFT SIDE AIR BAG PASSENGER AIR BAG DRIVER AIR BAG RIGHT TURN RIGHT TURN IND RIGHT VANITY MIRROR SEAT BELT IND SEAT BELT SW- SHFT SOL 3 GROUND PATS MODULE SHIFT SOL 1 SHIFT SOL 2 O/D OFF DATA LINK POWER SLIDING ROOF END POSITION MICROSWITCH SNGL WIPE SOLID STATE SOUND SYSTEM CRUISE CONTROL SYSTEM SPARK PLUGS SPARK PLUGS SPARK PLUGS SPEED CTRL IND SPEEDOMETER TACHOMETER STARTING SYSTEM STARTING/CHARGING SYSTEM STEERING RESERVOIR) STOP STOP TURN/TAIL TCS DISABLED TO INSTRUMENT CLUSTER TO SPARK PLUGS TOP OF TRANSMISSION) TRACTION CONTROL IND TRUNK/TAILGATE FUEL DOOR RELEASE SYSTEM TURN/TAIL STOP STOP TURN/TAIL TAIL UP DN UP DOWN UP UP DN UP/ CLOSE DOWN/ OPEN VSS SIGNAL VSS SIGNAL TRANS CNTRL SW VTEC-VCT W/ ABS W/ CRUISE CONTROL W/ SIDE AIR BAGS W/ SPEED CONTROL W/ABS W/O ABS W/AIR CONDITIONING W/AIR CONDITIONING W/O AIR CONDITIONING W/ANTI- THEFT ALARM W/DAYTIME RUNNING LAMPS W/LOWER OPTION CONTENT W/O ABS W/O AIR CONDITIONING W/O ANTI- THEFT ALARM W/O CRUISE CONTROL W/O DAYTIME RUNNING LAMPS W/O REAR WIPER W/O SPEED CONTROL W/REAR WIPER WASHER SW WIPER PARK WIPER/RATE SELECT WIPER/WASHER SYSTEM WITH CD CHANGER