Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Mercury Mystique I

BUZZERS, RELAYS & TIMERS

WARNINGWhen working on vehicles equipped with Supplemental Restraint System (SRS), never apply electrical voltage to the system. This could cause the SRS (air bag) to be deployed.
ComponentComponent Location
A/C Clutch RelayLeft front corner of engine compartment, in engine compartment fuse box.
A/C Wide Open Throttle (WOT) RelayLeft front corner of engine compartment, in engine compartment fuse box.
Blower Motor RelaysUnder left side of dash, on interior fuse panel.
Cooling Fan Relay (High Speed)Left front corner of engine compartment, in engine compartment fuse box.
Cooling Fan Relay (Low Speed)Left front corner of engine compartment, in engine compartment fuse box.
Courtesy Lamp RelayUnder left side of dash, on interior fuse panel.
Daytime Running Lamps (DRL) RelayLeft front corner of engine compartment, in engine compartment fuse box.
Fog Lamp RelayBehind left side of dash.
Fuel Pump RelayLeft front corner of engine compartment, in engine compartment fuse box.
High Beam Headlight RelayLeft front corner of engine compartment, in engine compartment fuse box.
Horn RelayLeft front corner of engine compartment, in engine compartment fuse box.
Ignition RelayUnder left side of dash, on interior fuse panel.
Interval Wiper RelayUnder left side of dash, on interior fuse panel.
Low Beam Headlight RelayLeft front corner of engine compartment, in engine compartment fuse box.
Moonroof RelayAt center of windshield header. (Схема №5)
Panic Alarm Headlight RelayUnder right side of dash, behind right side of glove box.
One Touch Down Window RelayFront of left front door.
Panic Alarm Stoplamp RelayUnder right side of dash, behind right side of glove box.
PCM Power RelayLeft front corner of engine compartment, in engine compartment fuse box.
Power Lock Control RelayBehind top of right kick panel. (Схема №4)
Speed Control Cut-Out RelayUnder left side of dash, on rear of interior fuse panel bracket.
Starter RelayLeft front corner of engine compartment, in engine compartment fuse box.
Window Defrost Relay (Rear)Under left side of dash, on interior fuse panel.

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Engine Compartment Fuse Box (2.0L)Left front corner of engine compartment. (Схема №1)
Engine Compartment Fuse Box (2.5L)Left front corner of engine compartment. (Схема №2)
Interior Fuse PanelUnder left side of dash. (Схема №3)

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
ABS Control Module (2.0L)In left rear of engine compartment, near brake booster. (Схема №1)
ABS Control Module (2.5L)In left rear of engine compartment, near brake booster. (Схема №2)
Central Timer ModuleUnder left side of dash, on interior fuse panel.
Flasher ModuleOn top of steering column, on combination switch. (Схема №3)
Fuel Pump ModuleUnder center of rear seat. (Схема №5)
Illumination Dimming ModuleBehind dash, right of steering column. (Схема №3)
Intake Manifold Runner Control (IMRC)Upper left rear of engine.
Power Antenna ModuleIn right rear of luggage compartment, behind panel. (Схема №5)
Powertrain Control Module (PCM) (2.0L)In right rear corner of engine compartment, behind power steering reservoir. (Схема №1)
Powertrain Control Module (PCM) (2.5L)In right rear corner of engine compartment, behind power steering reservoir. (Схема №2)
Remote Entry ModuleUnder right side of dash, behind glove box. (Схема №4)
Speed Control Module (2.0L)In left rear corner of engine compartment, near strut tower. (Схема №1)
Speed Control Module (2.5L)In left rear of corner engine compartment, near strut tower. (Схема №2)

CONTROL UNITS

MOTORS

ComponentComponent Location
ABS Hydraulic UnitIn left rear of engine compartment, near brake booster.
Blower MotorUnder right side of dash, behind glove box. (Схема №3)
Electric Cooling Fan Motor (2.0L)Front of engine compartment.
Electric Cooling Fan Motor No. 1 (2.5L)Left front of engine compartment. (Схема №2)
Electric Cooling Fan Motor No. 2 (2.5L)Right front of engine compartment. (Схема №2)
Moonroof MotorAt center of windshield header. (Схема №5)
Power Antenna MotorIn luggage compartment, behind right rear trim panel. (Схема №5)
TCS Throttle Motor (2.0L)In right front of engine compartment. (Схема №1)
TCS Throttle Motor (2.5L)In right front of engine compartment. (Схема №2)
Windshield Wiper MotorUnder left side of upper cowl shroud.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Wheel Speed Sensor (Left Front) (2.0L)On left wheel spindle. (Схема №1)
ABS Wheel Speed Sensor (Left Front) (2.5L)On left wheel spindle. (Схема №2)
ABS Wheel Speed Sensor (Left Rear)On left rear backing plate. (Схема №5)
ABS Wheel Speed Sensor (Right Front) (2.0L)On right wheel spindle. (Схема №1)
ABS Wheel Speed Sensor (Right Front) (2.5L)On right wheel spindle. (Схема №2)
ABS Wheel Speed Sensor (Right Rear)On right rear backing plate. (Схема №5)
Camshaft Position (CMP) Sensor (2.0L)On cylinder head, upper left rear of engine. (Схема №1)
Camshaft Position (CMP) Sensor (2.5L)On right front of engine. (Схема №2)
Crankshaft Position (CKP) Sensor (2.0L)On lower left side of engine. (Схема №1)
Crankshaft Position (CKP) Sensor (2.5L)On lower right side of engine. (Схема №2)
Differential Pressure Feedback EGR Sensor (2.0L)In center rear engine compartment. (Схема №1)
Differential Pressure Feedback EGR Sensor (2.5L)In left rear of engine. (Схема №2)
Engine Coolant Temperature (ECT) Sensor (2.0L)Upper left side of engine, near thermostat housing. (Схема №1)
Engine Coolant Temperature (ECT) Sensor (2.5L)Upper left side of engine. (Схема №2)
Heated Oxygen Sensor (HO2S) (Front No. 11) (2.0L)On front of engine in exhaust manifold.
Heated Oxygen Sensor (HO2S) (Front No. 11) (2.5L)On rear of engine in exhaust manifold. (Схема №2)
Heated Oxygen Sensor (HO2S) (Front No. 21) (2.5L)On front of engine in exhaust manifold. (Схема №2)
Heated Oxygen Sensor (HO2S) (Rear No. 12) (2.0L)On front of engine in exhaust behind converter.
Heated Oxygen Sensor (HO2S) (Rear No. 12) (2.5L)On rear of engine in exhaust behind converter.
Heated Oxygen Sensor (HO2S) (Rear No. 22) (2.5L)On front of engine in exhaust behind converter.
Instrumentation Engine Coolant Temperature (ECT) Sensor (2.0L)Upper left side of engine, in bottom of thermostat housing.
Instrumentation Engine Coolant Temperature (ECT) Sensor (2.5L)Upper left side of engine. (Схема №2)
Intake Air Temperature (IAT) Sensor (2.0L)Left rear of engine compartment. (Схема №1)
Intake Air Temperature (IAT) Sensor (2.5L)Left rear of engine compartment. (Схема №2)
Knock Sensor (KS) (2.0L)On right rear of engine.
Knock Sensor (KS) (2.5L)On center rear of engine. (Схема №2)
Mass Air Flow (MAF) Sensor (2.0L)On rear of air cleaner assembly. (Схема №1)
Mass Air Flow (MAF) Sensor (2.5L)On rear of air cleaner assembly. (Схема №2)
Power Steering Pressure Sensor (2.0L)In right rear engine compartment, on power steering line. (Схема №1)
Primary Crash Sensor (Left) (2.0L)In left engine compartment near headlight. (Схема №1)
Primary Crash Sensor (Left) (2.5L)In left engine compartment near headlight. (Схема №2)
Primary Crash Sensor (Right) (2.0L)In right engine compartment near headlight. (Схема №1)
Primary Crash Sensor (Right) (2.5L)In right engine compartment near headlight. (Схема №2)
Safing SensorBehind bottom of right kick panel. (Схема №4)
TCS Throttle Position Sensor (2.0L)In right front of engine compartment. (Схема №1)
TCS Throttle Position Sensor (2.5L)In right front of engine compartment. (Схема №2)
Throttle Position (TP) Sensor (2.0L)Upper rear of engine, on throttle body. (Схема №1)
Throttle Position (TP) Sensor (2.5L)Upper rear of engine, on throttle body. (Схема №2)
Transmission Range (TR) Sensor (2.0L)In left side of engine compartment. (Схема №1)
Transmission Range (TR) Sensor (2.5L)In left side of engine compartment. (Схема №2)
Turbine Shaft Speed Sensor (2.0L)Lower left rear of engine compartment. (Схема №1)
Turbine Shaft Speed Sensor (2.5L)Lower left rear of engine compartment. (Схема №2)
Vehicle Speed Sensor (2.0L)On lower rear of transaxle.
Vehicle Speed Sensor (2.5L)On lower rear of transaxle. (Схема №2)

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
A/C Clutch Solenoid (2.0L)In right front of engine compartment, on A/C compressor. (Схема №1)
A/C Clutch Solenoid (2.5L)In right front of engine compartment, on A/C compressor. (Схема №2)
Exhaust Gas Recirculation Vacuum Regulator Solenoid (2.0L)In center rear of engine compartment. (Схема №1)
Exhaust Gas Recirculation Vacuum Regulator Solenoid (2.5L)In center rear of engine. (Схема №2)
Idle Air Control Valve (2.0L)On upper rear of engine, on intake manifold. (Схема №1)
Idle Air Control Valve (2.5L)Upper rear of engine. (Схема №2)
Vapor Management Valve (2.0L)In right rear of engine compartment, near firewall. (Схема №1)
Vapor Management Valve (2.5L)In right rear of engine compartment, near firewall. (Схема №2)

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
A/C Clutch Cycling Pressure Switch (2.0L)In left front of engine compartment. (Схема №1)
A/C Clutch Cycling Pressure Switch (2.5L)In left front of engine compartment. (Схема №2)
A/C High Pressure Cut-Out/Fan Switch (2.0L)In right front of engine compartment, on A/C line. (Схема №1)
A/C High Pressure Cut-Out/Fan Switch (2.5L)In right front of engine compartment, on A/C line. (Схема №2)
Brake Fluid Level Switch (2.0L)In left rear of engine compartment. (Схема №1)
Brake Fluid Level Switch (2.5L)In left rear of engine compartment. (Схема №2)
Brake ON/OFF (BOO) SwitchOn bracket, above brake pedal. (Схема №3)
Brake Pedal SwitchUnder left side of dash, near top of brake pedal.
Clutch Pedal Position Switch (M/T)On bracket, above clutch pedal. (Схема №3)
Engine Oil Pressure Switch (2.0L)On center rear of engine. (Схема №1)
Engine Oil Pressure Switch (2.5L)On right front of engine. (Схема №2)
Inertia Fuel Shut-Off Switch (A/T)Behind kick panel. (Схема №4)
Inertia Fuel Shut-Off Switch (M/T)Behind kick panel.
Low Engine Coolant Level Switch (2.0L)In right front corner of engine compartment, in coolant reservoir. (Схема №1)
Low Engine Coolant Level Switch (2.5L)In right front corner of engine compartment, in coolant reservoir. (Схема №2)
Park Brake SwitchAt base of parking brake lever. (Схема №5)
Park/Neutral Position Switch (A/T) (2.0L)In left side of engine compartment. (Схема №1)
Park/Neutral Position Switch (A/T) (2.5L)In left side of engine, on top of transaxle. (Схема №2)
Power Steering Pressure Switch (2.5L)In right rear engine compartment, near strut tower. (Схема №2)
Seat Belt Buckle SwitchIn right front seat belt buckle.

SWITCHES

MISCELLANEOUS

ComponentComponent Location
Air Bag Diagnostic MonitorUnder center of dash, behind ashtray. (Схема №3)
Blower Motor ResistorUnder right center of dash. (Схема №3)
Data Link ConnectorUnder left side of dash, left of steering column.
Remote Amplifier (Front)Under right side of dash, behind right side of glove box.
Remote Entry Diagnostic ConnectorUnder right side of dash, behind right side of glove box.

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
C100 (42 Pin)At left side of engine compartment, near strut tower. (Схема №1)
C115 (Black, 4 Pin)At front of engine compartment, near top of cooling fan shroud. (Схема №1)
C117 (Black, 2 Pin)At front of engine compartment, near top of cooling fan shroud. (Схема №1)
C124 (Black, 4 Pin)At rear of engine compartment, under power steering reservoir. (Схема №1)
C178 (12 Pin) (2.0L)At right front side of engine, near throttle body. (Схема №1)
C178 (12 Pin) (2.5L)At right front side of engine. (Схема №2)
C179 (Gray, 12 Pin)At right front side of engine. (Схема №2)
C180 (6 Pin)At right front side of engine. (Схема №2)
C202 (10 Pin)Under left side of dash, on interior fuse panel. (Схема №3)
C204 (Natural, 10 Pin)Under left side of dash, above interior fuse panel. (Схема №3)
C206 (Green, 16 Pin)Under left side of dash, above interior fuse panel. (Схема №3)
C207 (16 Pin)Under left side of dash, above interior fuse panel. (Схема №3)
C208 (8 Pin)Under left side of dash, above brake pedal. (Схема №3)
C209 (8 Pin)Under left side of dash, above interior fuse panel. (Схема №3)
C227 (Green, 16 Pin)Behind bottom of right kick panel. (Схема №4)
C228 (Natural, 16 Pin)Behind bottom of right kick panel. (Схема №4)
C229 (Black, 4 Pin)Behind bottom of right kick panel. (Схема №4)
C230 (16 Pin)Behind bottom of right kick panel. (Схема №4)
C231 (Natural, 10 Pin)Behind bottom of right kick panel. (Схема №4)
C246 (8 Pin)Behind right center of dash, near radio. (Схема №3)
C263 (5 Pin)Behind left side of dash, near breakout for instrument interface module.
C289 (Blue, 10 Pin)Under left side of dash, above interior fuse panel. (Схема №3)
C297 (8 Pin)Under left side of dash, behind kick panel. (Схема №4)
C302 (Black, 2 Pin)Under center of package tray. (Схема №5)
C307 (Black, 3 Pin)Under left side of rear seat. (Схема №5)
C311 (Black, 2 Pin)Under rear of left front seat bottom.
C409 (Black, 3 Pin)On left side of deck lid. (Схема №5)
C501 (20 Pin)In front of left front door jam, near door grommet. (Схема №4)
C522 (Gray, 20 Pin)In front of left front door jam, near door grommet. (Схема №4)
C601 (20 Pin)In front of right front door jam, near door grommet. (Схема №4)
C701 (20 Pin)In front of left rear door jam, near door grommet. (Схема №5)
C801 (20 Pin)In front of right rear door jam, near door grommet. (Схема №5)

CONNECTORS

GROUNDS

ComponentComponent Location
G100Under battery, attached to battery support. (Схема №2)
G101At left front of side engine compartment, behind headlight. (Схема №1)
G102At right front side of engine compartment, near headlight. (Схема №1)
G103At right rear side of engine compartment, behind power steering reservoir. (Схема №2)
G301Behind bottom of right kick panel. (Схема №4)
G303At front of left kick panel, under carpet. (Схема №5)
G304At front of right front rocker panel. (Схема №4)
G305Behind bottom of right kick panel. (Схема №4)
G306Behind bottom of right kick panel. (Схема №4)
G309At base of right "C" pillar. (Схема №5)
G401At left rear side of luggage compartment, under plastic panel. (Схема №5)

GROUNDS