Mercury Mountaineer II (2001-2005) micropro- cessor Wiring diagrams

A/C CLUTCH RELAY (IN BATTERY JUNCTION BOX) A/C INDICATOR DIODE (IN BATTERY JUNCTION BOX) BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLOWER MOTOR RELAY BRN WIRE BRN/LT BLU WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) FUSE 7 COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/LT GRN WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/VIO WIRE DRIVER TEMPERATURE BLEND DOOR ACTUATOR ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE (UNDER LEFT DASH PANEL) FRONT BLOWER MOTOR (BEHIND CENTER OF DASH) FRONT BLOWER MOTOR SPEED CONTROLLER (BEHIND CENTER OF DASH) FUSE 10 FUSE 15 FUSE 20 FUSE 30 FUSE 36 FUSE 37 GRY WIRE GRY/LT BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN AND START HOT IN START OR RUN IN-VEHICLE TEMPERATURE SENSOR (BEHIND TOP LEFT OF DASH) INSTRUMENT CLUSTER J/C 1 J/C 2 (IN BATTERY JUNCTION BOX) LT BLU WIRE LT BLU/YEL WIRE LT GRN/BLK WIRE LT GRN/VIO WIRE MICROPRO- CESSOR ORG/ WIRE ORG/BLK WIRE ORG/LT BLU WIRE PASSENGER TEMPERATURE BLEND DOOR ACTUATOR PNK/BLK WIRE PNK/LT BLU WIRE PNK/WHT WIRE PNK/YEL WIRE RED/BLK WIRE RED/ORG WIRE RED/WHT WIRE REMOTE SOLENOID ASSEMBLY (BEHIND CENTER OF DASH) SEATS SYSTEM SUNLOAD SENSOR (AT CENTER OF DASH) TAN WIRE TAN/ORG WIRE VIO/YEL WIRE WHT/LT BLU WIRE WHT/VIO 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