Mercury Mountaineer II (2001-2005) powertrain control module (pcm) (at right side engine bulkhead) Wiring diagrams

1 2 3 4 5 6 GROUND REAR A/C FRONT TO REAR A/C REAR REAR BLOWER TO AUX A/C MODULE A/C CLUTCH CYCLING PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPARTMENT) A/C CLUTCH SOLENOID (AT LEFT SIDE OF ENGINE) A/C HIGH PRESSURE SWITCH (LEFT FRONT OF ENGINE COMPT) AIR BAG SLIDING CONTACT AUDIO/ CLIMATE CONTROL SWITCH AUXILIARY A/C RELAY (BEHIND LEFT SIDE OF REAR SEATS) AUXILIARY BLOWER MOTOR (LEFT SIDE OF CARGO AREA) AUXILIARY BLOWER MOTOR RESISTOR ASSEMBLY (IN LEFT REAR CARGO AREA) BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR HIGH BLOWER MOTOR RESISTOR HIGH BRN WIRE BRN/ORG WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) CRUISE CONTROL SYSTEM DK BLU/LT GRN WIRE DK GRN WIRE DK GRN/YEL WIRE FAN DN FAN UP TEMP UP FUSE 25 FUSE 33 GROUND REAR A/C FRONT TO REAR A/C REAR GRY/LT BLU WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN START OR RUN INSTRUMENT ILLUMINATION INPUT LT BLU/ORG WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE PNK/WHT WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) REAR A/C CONTROL MODULE (FRONT) (IN ROOF PANEL) REAR A/C CONTROL MODULE (REAR) (IN ROOF PANEL) REAR MODE DOOR ACTUATOR (LEFT SIDE, BEHIND REAR SEATS) RED WIRE RED/BLK WIRE RED/ORG WIRE RED/YEL WIRE TAN WIRE TEMP DN TEMPERATURE BLEND DOOR ACTUATOR (BELOW LEFT REAR CARGO AREA WINDOW) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ILLUM RETURN GROUND FUSED IGNITION AIR BAG CONTACT AIR BAG SLIDING CONTACT AIR CONDITIONING SYSTEM ANTENNA AUDIO UNIT AUDIO/ CLIMATE CONTROL SWITCH BAND BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BRN/PNK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) CIRCUIT BREAKER PTC 1 CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/ORG WIRE FAN DOWN FAN UP FUSE 28 FUSE 3 GRY WIRE GRY/BLK WIRE GRY/LT BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN START HOT WITH ACC DELAY RELAY ENERGIZED LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU/WHT WIRE NCA WIRE NEXT ORG/ WIRE ORG/LT GRN WIRE ORG/RED WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED WIRE RED/BLK WIRE RIGHT FRONT SPEAKER RIGHT REAR SPEAKER TAN WIRE TAN/YEL WIRE TEMP DOWN TEMP UP VEHICLE SPEED VOL DOWN VOL UP WHT WIRE WHT/LT GRN WIRE WHT/YEL WIRE WINDSHIELD WIPER MOTOR (ON LEFT SIDE OF ENGINE COMPT, ON INNER FENDER WELL) YEL WIRE

BATTERY BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BLK/ORG WIRE BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) CHARGE INDICATOR COMPUTER DATA LINES SYSTEM FUSE 21 FUSIBLE LINK A (12 GA- FUSIBLE LINK B (12 GA- FUSIBLE LINK C (18 GA- GENERATOR GRY WIRE HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT CLUSTER LT BLU WIRE LT GRN/RED WIRE MICRO- SCP - PROCESSOR OFF ORG/ WIRE ORG/LT BLU WIRE PNK WIRE PNK/ 4 3 8 WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED WIRE RED/LT GRN WIRE RUN WIRE SCP+ STARTER MOTOR TAN/ORG WIRE WHT WIRE YEL WIRE

-SET CANCEL 1 2 3 4 5 6 POWER CRUISE CTRL SET IND AIR BAG SLIDING CONTACT AIR CONDITIONING SYSTEM BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BLK/YEL WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CTRL SET IND CRUISE CTRL SET IND DK GRN WIRE DK GRN/ORG WIRE FUSE GRY WIRE GRY/RED WIRE HORN SWITCH HORNS SYSTEM HOT AT ALL TIMES HOT IN START OR RUN INSTRUMENT CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MICROPROCESSOR NCA WIRE ON RES SET+ ORG/ WIRE ORG/LT BLU WIRE PNK WIRE PNK/LT BLU WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED WIRE RED/BLK WIRE REDUNDANT PEDAL SWITCH (UNDER LEFT SIDE DASH PANEL) SIGNAL RETURN SPEED CONTROL ACTUATOR (RIGHT FRONT OF ENGINE COMPARTMENT, ON FENDER) SPEED CONTROL SWITCH SPEED CTRL INDICATOR SPEED CTRL SW RTN BRAKE PRESS SW IN TAN WIRE TAN/ORG WIRE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 POWER CRUISE CTRL SET IND ABS CONTROL MODULE (LEFT FRONT SIDE OF ENGINE COMPARTMENT) AIR BAG SLIDING CONTACT AIR CONDITIONING SYSTEM BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BLK/YEL WIRE BRAKE PRESS SW IN BRAKE PRESSURE SWITCH (MOUNTED ON MASTER CYLINDER) CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CTRL SET IND CRUISE CTRL SET IND DK GRN WIRE DK GRN/ORG WIRE FUSE GRN WIRE GRY WIRE GRY/RED WIRE HORN SWITCH HORNS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MICROPROCESSOR NCA WIRE ORG/ WIRE ORG/LT BLU WIRE PNK WIRE PNK/LT BLU WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED WIRE RED/BLK WIRE SET- SET+ RES ON SIGNAL RETURN SPEED CONTROL ACTUATOR (RIGHT FRONT OF ENGINE COMPARTMENT, ON FENDER) SPEED CONTROL SWITCH SPEED CTRL INDICATOR SPEED CTRL SW RTN BRAKE PRESS SW IN TAN WIRE TAN/ORG WIRE VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

10 5 1 4 6 11 ILLLUMINATION VPWR VPWR EXTERIOR LIGHTS INPUT GROUND GROUND 12 9 7 REAR WINDOW DEFROST SW A/C DEMAND SIGNAL BLOWER MOTOR TO BLOWER SWITCH A/C CLUTCH CYCLING PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPARTMENT) A/C CLUTCH RELAY A/C CLUTCH SOLENOID (AT LEFT SIDE OF ENGINE) A/C HIGH PRESSURE SWITCH (LEFT FRONT OF ENGINE COMPT) A/C INDICATOR DIODE BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLEND DR OUTPUT BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR RELAY BLOWER MOTOR SWITCH BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) DK BLU WIRE DK GRN/ORG WIRE DK GRN/VIO WIRE EXCEPT BASE FRONT BLOWER MOTOR (BEHIND CENTER OF DASH) FRONT BLOWER MOTOR RESISTOR ASSEMBLY (BEHIND CENTER OF DASH) FUNCTION SELECTOR SWITCH ASSEMBLY FUSE 10 FUSE 16 FUSE 30 FUSE 36 FUSE 37 FUSE 7 GRY/LT BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPEED FAN CONTROL RELAY (BEHIND CENTER OF DASH) HOT AT ALL TIMES HOT IN START OR RUN INSTRUMENT CLUSTER J/C 2 LT BLU/ORG WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE MED 1 LOW HIGH MED 2 MEDIUM MICROPRO- CESSOR MODE SWITCH OFF FLOOR/VENT FLOOR MIX VENT MAX DEF ORG/BLK WIRE PNK/WHT WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED/BLK WIRE RED/ORG WIRE RED/YEL WIRE TEMPERATURE BLEND DOOR ACTUATOR (BELOW LEFT REAR CARGO AREA WINDOW) VIO WIRE VIO/YEL WIRE VPWR GROUND YEL/BLK WIRE YEL/RED WIRE

10 5 1 4 6 11 ILLLUMINATION VPWR VPWR EXTERIOR LIGHTS INPUT GROUND GROUND 12 9 7 REAR WINDOW DEFROST SW A/C DEMAND SIGNAL BLOWER MOTOR TO BLOWER SWITCH A/C CLUTCH CYCLING PRESSURE SWITCH (RIGHT SIDE OF ENGINE COMPARTMENT) A/C CLUTCH RELAY A/C CLUTCH SOLENOID (AT LEFT SIDE OF ENGINE) A/C HIGH PRESSURE SWITCH (LEFT FRONT OF ENGINE COMPT) A/C INDICATOR DIODE BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLEND DR OUTPUT BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR RELAY BLOWER MOTOR SWITCH BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) DK BLU WIRE DK GRN/ORG WIRE DK GRN/VIO WIRE EXCEPT BASE FRONT BLOWER MOTOR (BEHIND CENTER OF DASH) FRONT BLOWER MOTOR RESISTOR ASSEMBLY (BEHIND CENTER OF DASH) FUNCTION SELECTOR SWITCH ASSEMBLY FUSE 10 FUSE 16 FUSE 30 FUSE 36 FUSE 37 FUSE 7 GRY/LT BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPEED FAN CONTROL RELAY (BEHIND CENTER OF DASH) HOT AT ALL TIMES HOT IN START OR RUN INSTRUMENT CLUSTER J/C 2 LT BLU/ORG WIRE LT GRN/VIO WIRE LT GRN/WHT WIRE MED 1 LOW HIGH MED 2 MEDIUM MICROPRO- CESSOR MODE SWITCH OFF FLOOR/VENT FLOOR MIX VENT MAX DEF ORG/BLK WIRE PNK/WHT WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED/BLK WIRE RED/ORG WIRE RED/YEL WIRE TEMPERATURE BLEND DOOR ACTUATOR (BELOW LEFT REAR CARGO AREA WINDOW) VIO WIRE VIO/YEL WIRE VPWR GROUND YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ILLUM RETURN GROUND FUSED IGNITION AIR BAG CONTACT AIR BAG SLIDING CONTACT AIR CONDITIONING SYSTEM ANTENNA AUDIO UNIT AUDIO/ CLIMATE CONTROL SWITCH BAND BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BRN/ORG WIRE BRN/PNK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/ORG WIRE FAN DOWN FAN UP FUSE 28 FUSE 3 GRY WIRE GRY/BLK WIRE GRY/LT BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN START HOT WITH ACC DELAY RELAY ENERGIZED LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU/RED WIRE LT BLU/WHT WIRE NCA WIRE NEXT ORG/ WIRE ORG/LT GRN WIRE ORG/RED WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) PTC 1 RED WIRE RED/BLK WIRE RIGHT FRONT SPEAKER RIGHT REAR SPEAKER SHIELD SUBWOOFER AMPLIFIER (BEHIND RIGHT REAR SEAT) TAN WIRE TAN/YEL WIRE TEMP DOWN TEMP UP VEHICLE SPEED VOL DOWN VOL UP WHT WIRE WHT/LT GRN WIRE WHT/YEL WIRE WINDSHIELD WIPER MOTOR (ON LEFT SIDE OF ENGINE COMPT, ON INNER FENDER WELL) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ILLUM RETURN GROUND FUSED IGNITION AIR BAG CONTACT AIR BAG SLIDING CONTACT AIR CONDITIONING SYSTEM ANTENNA ASYSON AUDIO SYSTEM ON PROTOCOL A PROTOCOL B AUDIO UNIT AUDIO/ CLIMATE CONTROL SWITCH BAND NEXT VOL UP BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BRN/ORG WIRE BRN/PNK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM INTERIOR LIGHTS SYSTEM DK GRN WIRE DK GRN/ORG WIRE DVD PLAYER DVD RIGHT + DVD RIGHT - DVD LEFT + DVD LEFT - FAN DOWN FUSE 28 FUSE 3 GROUND GRY WIRE GRY/BLK WIRE GRY/LT BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN START HOT WITH ACC DELAY RELAY ENERGIZED ILLUM INTERIOR LIGHTS SYSTEM (IN RADIO JUMPER HARNESS NEAR BREAKOUT LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU/PNK WIRE LT BLU/RED WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/LT GRN WIRE ORG/RED WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) PREMIUM SOUND RADIO CIRCUIT PROTOCOL A PROTOCOL B PTC 1 RED WIRE RED/BLK WIRE RIGHT FRONT SPEAKER RIGHT REAR SPEAKER SHIELD SPKR LF+ SPKR RT+ TAN WIRE TAN/ORG WIRE TAN/YEL WIRE TEMP UP FAN UP TEMP DOWN VEHICLE SPEED VOL DOWN WHT WIRE WHT/LT GRN WIRE WHT/YEL WIRE WINDSHIELD WIPER MOTOR (ON LEFT SIDE OF ENGINE COMPT, ON INNER FENDER WELL) YEL WIRE

BATTERY BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) FUSE 29 FUSE 12 FUSE 23 IGNITION SWITCH LT BLU WIRE LT GRN/VIO WIRE OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (AT RIGHT SIDE ENGINE BULKHEAD) RED WIRE RUN WIRE STARTER MOTOR WHT/PNK WIRE YEL WIRE YEL/LT BLU WIRE