Mercury Montego III (2004-2007) Manual a/c circuit

1 2 3 4 GND HIGH MEDIUM HIGH MEDIUM LOW 1426 1990 DEFOGGER SYSTEM 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VBATT A/C REQ BATTERY JUNCTION BOX (BJB) (LEFT FRONT OF ENG COMPT) BLK WIRE BLK/LT BLU WIRE BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR (RIGHT SIDE OF DASH) BLU WIRE BRN WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/WHT WIRE DEFOGGER SYSTEM DRIVER TEMPERATURE BLEND DOOR ACTUATOR (LEFT CENTER OF DASH) FRESH/RECIRCULATION DOOR ACTUATOR (RIGHT SIDE OF DASH) FRONT BLOWER MOTOR (RIGHT SIDE OF DASH) FUNCTION SELECTOR SWITCH ASSEMBLY FUSE 18 FUSE 20 FUSE 7 GRN WIRE HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN START OR RUN INSTRUMENT CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT BLU/ORG WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/RED WIRE LT LT MICROPROCESSOR MODE DOOR ACTUATOR (LEFT SIDE OF DASH) ORG/ WIRE ORG/BLK WIRE ORG/LT BLU WIRE PNK DEFROST REQ +/- +/- +/- +/- VREF RLY STATUS AC REQ ILLUM GND WIRE RED WIRE RED/LT GRN WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RLY CTRL SIG SIG SIG RTN VPWR SMART JUNCTION BOX (SJB) (LEFT SIDE OF DASH) TAN/BLK WIRE TAN/LT BLU WIRE VIO WIRE WHT WIRE WHT/LT BLU WIRE YEL WIRE YEL/LT GRN WIRE YEL/RED WIRE

14 21 40 41 MTR CTRL REF VOLTAGE REF VOLTAGE SIG RET A/C CLUTCH CYCLING PRESSURE SWITCH (LEFT FRONT OF ENGINE) A/C CLUTCH FIELD COIL (LEFT FRONT OF ENGINE) A/C CLUTCH RELAY A/C COMPRESSOR CLUTCH DIODE BATTERY JUNCTION BOX (BJB) (LEFT FRONT OF ENG COMPT) BLK WIRE BRN/WHT WIRE DK BLU WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) ENGINE COOLING FAN MOTOR (BEHIND RADIATOR) EVAPORATOR DISCHARGE AIR TEMPERATURE SENSOR (LEFT CENTER OF DASH) FUSE 12 FUSE 25 FUSE 40 FUSE 8 GRN WIRE GRY WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES JOINT CONNECTOR 1 JOINT CONNECTOR 2 LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE PCM POWER DIODE PCM POWER RELAY POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENG COMPT) RED/PNK WIRE RLY CTRL SENS SIG SIG RET SW SIG TAN/ORG WIRE VIO WIRE WHT WIRE YEL WIRE