Mercury Mountaineer II (2001-2005) hot at all times Wiring diagrams

ABS CONTROL MODULE (LEFT FRONT SIDE OF ENGINE COMPT) ABS SIG VBATT BATTERY JUNCTION (BJB) BOX (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/WHT WIRE BPP SW PCM SIG BRAKE PEDAL POSITION SWITCH (ABOVE BRAKE PEDAL) BREAKOUT) BRN WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (BEHIND LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR DATALINK CONECTOR (BEHIND LEFT SIDE OF DASH) DIFF LOCK SOL DIFFERENTIAL LOCK SOLENOID REAR SPEED SENSOR DIGITAL TRANSMISSION RANGE SENSOR (LEFT SIDE OF TRANSMISSION) DK BLU WIRE DK GRN WIRE EXTERIOR LIGHTS SWITCH FOUR WHEEL DRIVE SWITCH FOUR-WHEEL DRIVE CONTROL MODULE (BELOW RIGHT SIDE OF DASH) FRONT SPEED SENSOR FUSE 12 FUSE 17 FUSE 18 FUSE 23 FUSE 24 GROUND N TOW SW UBP DIAG GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START ILLUM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NEUTRAL TOW INDICATOR (BELOW LEFT SIDE OF DASH) OFF ORG/ WIRE ORG/WHT WIRE POSITION IND POWERTRAIN CONTROL MODULE (MOUNTED THROUGH FIREWALL) RED WIRE RED/BLK WIRE RED/WHT WIRE SIG RETURN NEUTRAL SW TAN WIRE TRANSFER CASE ASSEMBLY VBATT VIO WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 CAN BUS - GROUND N TOW SW UBP DIAG ABS CONTROL MODULE (LEFT FRONT SIDE OF ENGINE COMPT) BATTERY JUNCTION (BJB) BOX (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/LT BLU WIRE BLK/WHT WIRE BPP SW PCM SIG BRAKE PEDAL POSITION SWITCH (ABOVE BRAKE PEDAL) BREAKOUT) BRN WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (BEHIND LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR DATALINK CONECTOR (BEHIND LEFT SIDE OF DASH) DIFF LOCK SOL DIFFERENTIAL LOCK SOLENOID DIGITAL TRANSMISSION RANGE SENSOR (LEFT SIDE OF TRANSMISSION) DK BLU WIRE DK GRN WIRE EXTERIOR LIGHTS SWITCH FOUR WHEEL DRIVE SWITCH FOUR-WHEEL DRIVE CONTROL MODULE (BELOW RIGHT SIDE OF DASH) FUSE 12 FUSE 17 FUSE 18 FUSE 23 FUSE 24 GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START ILLUM LT BLU/BLK WIRE LT GRN WIRE NEUTRAL TOW INDICATOR (BELOW LEFT SIDE OF DASH) OFF ORG/ WIRE ORG/WHT WIRE POSITION IND POWERTRAIN CONTROL MODULE (MOUNTED THROUGH FIREWALL) RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE TAN WIRE TAN/YEL WIRE TRANSFER CASE ASSEMBLY VBATT VBATT CAN BUS + SIG RETURN NEUTRAL SW VIO WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

1 2 3 4 5 7 9 10 12 13 17 18 21 22 23 26 27 SS A SS B SS C SS D TCC SOL PCS A 17 20 RETURN V REF CHT ECT TPS 3 4 10 13 24 25 26 27 32 33 40 41 43 44 SCP+ SCP- 40 46 (4.6L) (4.0L) BATTERY JUNCTION (BJB) BOX (LEFT SIDE OF ENGINE COMPT) BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SWITCH (ABOVE BRAKE PEDAL) BRN/ORG WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (BEHIND LEFT SIDE OF DASH) FUSE 23 CIRCUIT CYLINDER HEAD TEMPERATURE SENSOR (4.6L) (TOP FRONT OF CYLINDER HEAD) DIGITAL TRANSMISSION RANGE SENSOR (LEFT SIDE OF TRANSMISSION) DK BLU/YEL WIRE DK GRN/ORG WIRE DK GRN/WHT WIRE DLC GROUND GROUND GROUND GROUND POWER POWER BRAKE IN TCS GROUND VBATT ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (4.0L) (TOP RIGHT OF ENGINE) FUSE 11 FUSE 13 FUSE 15 FUSE 37 FUSE 40 FUSE 41 GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER INTERMEDIATE SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) ISS JOINT CONNECTOR 1 (PART OF BATTERY JUNCTION BOX) JOINT CONNECTOR 2 (PART OF BATTERY JUNCTION BOX) LT BLU/BLK WIRE LT BLU/PNK WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/RED WIRE NCA WIRE OD OFF ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED SENSOR (LEFT REAR OF TRANSMISSION) PCM POWER DIODE PCM POWER RELAY PCS C PCS B SIG RTN PNK/BLK WIRE PNK/LT BLU WIRE PRESSURE CONTROL SOLENOIDS RED WIRE RED/LT GRN WIRE RED/WHT WIRE RED/YEL WIRE SHIFT SOLENOIDS TAN WIRE TAN/BLK WIRE TAN/ORG WIRE TAN/WHT WIRE TFT OSS TSS THROTTLE POSTION SENSOR (TOP OF THROTTLE BODY) TORQUE CONV CLUTCH SOLENOID TRANS- MISSION CONTROL SWITCH (END OF SHIFT LEVER) TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION SOLENOID BODY ASSEMBLY TURBINE SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VAPOR MANAGEMENT VALVE, EVR SOLENOID VALVE VIO WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/LT BLU WIRE YEL/LT GRN WIRE YEL/WHT 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

1 PNK/ WIRE BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) DK BLU WIRE FRONT WASHER PUMP RELAY FUSE 21 FUSE 4 GRY WIRE HALL SENSOR HOT AT ALL TIMES HOT IN RUN OR ACC INTERVAL SWITCH LT BLU WIRE LT GRN WIRE MICROPROCESSOR ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (RIGHT SIDE OF ENGINE BULKHEAD) REAR WIPER MOTOR REAR WASHER PUMP RELAY ASSEMBLY VIO WIRE WASHER SWITCH WHT WIRE WINDSHIELD WASHER PUMP MOTOR (IN WASHER RESERVOIR) WIPER HIGH/LOW RELAY WIPER RUN/PARK RELAY YEL WIRE

BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BLK/LT GRN WIRE BLK/ORG WIRE BLK/YEL WIRE BRN WIRE BRN/LT BLU WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) CENTRAL SECURITY MODULE (BEHIND RIGHT REAR SEAT) DK BLU WIRE DK GRN WIRE DK GRN/ORG WIRE DRIVER SAFETY BELT BUCKLE SWITCH (UNDER DRIVER SEAT) DRIVER SIDE REAR DOOR AJAR SWITCH FUSE 15 FUSE 16 FUSE 19 FUSE 21 FUSE 23 GRY WIRE GRY/RED WIRE GRY/YEL WIRE HEAD OFF PARK HOT AT ALL TIMES HOT IN START OR RUN IGNITION SWITCH INSTRUMENT CLUSTER J/C 3 JOINT CONNECTOR 1 (IN BATTERY JUNCTION BOX) KEY-IN IGNITION SWITCH LIFTGATE AJAR SWITCH (LOWER CENTER OF LIFTGATE) LIFTGATE GLASS AJAR SWITCH (IN CENTER OF TAILGATE) LT BLU WIRE LT GRN WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE MAIN LIGHT SWITCH MICRO- PROCESSOR NCA WIRE ORG/ WIRE PASS- ENGER SAFETY BELT BUCKLE SWITCH (UNDER PASSENGER SEAT) PASSENGER SIDE REAR DOOR AJAR SWITCH PNK WIRE PNK/BLK WIRE PNK/LT BLU WIRE REAR AUXILIARY JUNCTION BOX (ON REAR "D" PILLAR) RED WIRE RED/WHT WIRE RESTRAINTS CONTROL MODULE (BELOW CENTER CONSOLE) RIGHT FRONT DOOR AJAR SWITCH LEFT FRONT DOOR AJAR SWITCH TAN WIRE TAN/WHT WIRE VIO WIRE WASHER FLUID LEVEL SWITCH (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE

1. OFF 2. VARIABLE BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BRN WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) FRONT WASHER PUMP RELAY FUSE 15 FUSE 30 HOT AT ALL TIMES HOT IN RUN OR ACC INTERMITTENT WIPE 3. LOW 4. WASH LT BLU WIRE LT GRN WIRE MICROPROCESSOR MULTI- FUNCTION SWITCH ORG/ WIRE PARK PNK WIRE REAR WASHER PUMP RELAY REAR WIPER MOTOR ASSEMBLY REAR WIPER RELAY RUN WIRE VIO WIRE WHT WIRE WINDSHIELD WASHER PUMP MOTOR (IN WASHER RESERVOIR) WINDSHIELD WIPER MOTOR (ON LEFT SIDE OF ENGINE COMPT, ON INNER FENDER WELL)

9 PNK/ WIRE BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPT, AT FENDER APRON) BLK WIRE BRAKE PEDAL POSITION SWITCH (ABOVE BRAKE PEDAL) BRAKE SHIFT INTERLOCK CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM FUSE 13 FUSE 15 FUSE 23 FUSE 26 GRY WIRE HOT AT ALL TIMES HOT IN START OR RUN IGNITION SWITCH INSTRUMENT CLUSTER JOINT CONNECTOR 1 (IN BATTERY JUNCTION BOX) KEY REMOVAL INHIBIT SOLENOID LT BLU WIRE LT GRN WIRE MICROPROCESSOR NCA WIRE OD OFF ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (AT RIGHT SIDE ENGINE BULKHEAD) RED WIRE TAN WIRE TRANSMISSION CONTROL SWITCH VIO WIRE W/ DUAL ZONE EATC (IN MAIN HARNESS, NEAR BREAKOUT TO CENTRAL JUNCTION BOX) WHT WIRE YEL WIRE

1257 1258 1259 1260 SIGNAL + SIGNAL - SIGNAL + SIGNAL - 1 1 1 1261 1262 1263 1264 SIGNAL + REF/GND SIGNAL + REF/GND 608 1003 AIR BAG IND CTRL IGNITION 617 618 SIGNAL + REF/GND BATTERY BATTERY JUNCTION BOX (BJB) (LEFT SIDE OF ENGINE COMPARTMENT, AT FENDER APRON) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BRN WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/YEL WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) DATA BUS IGNITION AIR BAG STAGE 2+ AIR BAG STAGE 2- DATA LINK CONNECTOR (DLC) (PARTIAL) (BEHIND LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/ORG WIRE DRIVER 1 SIDE IMPACT SENSOR (UNDER DRIVER'S SEAT) DRIVER SAFETY BELT BUCKLE PRETENSIONER (LEFT "B" PILLAR) DRIVER'S SAFETY BELT BUCKLE SWITCH (UNDER DRIVER'S SEAT) ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE (UNDER LEFT DASH PANEL) FUSE GRN WIRE GRY WIRE GRY/ORG WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER J/C 1 LOGIC GROUND LT BLU WIRE LT BLU/ORG WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT LT MICRO- PROCESSOR NCA WIRE NOTE: 1: UNBUCKLED 2: BUCKLED ORG/ WIRE PASSENGER 1 SIDE IMPACT SENSOR (UNDER PASSENGER'S SEAT) PASSENGER SAFETY BELT BUCKLE PRETENSIONER (RIGHT "B" PILLAR) PASSENGER'S SAFETY BELT BUCKLE SWITCH (UNDER PASSENGER'S SEAT) PNK/BLK WIRE PNK/ORG WIRE RED WIRE RED/ORG WIRE RED/WHT WIRE RESTRAINT CONTROL MODULE (RCM) (BELOW CENTER CONSOLE) SHORTING BAR TAN/BLK WIRE TONE DRIVER VIO/LT GRN WIRE WHT WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 SCP- SCP+ VBATT 2 10 DATA LINK CONNECTOR (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/PNK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) FUSE 15 FUSE 16 GRY/YEL WIRE HORNS SYSTEM HOT AT ALL TIMES HOT IN RUN OR ACC LOW TIRE PRESSURE MODULE (UNDER PASSENGER DASH PANEL) PNK/LT BLU WIRE TAN/ORG WIRE VBATT YEL/LT GRN WIRE