Ford Expedition I (1996-2002) central junction box (under left side of dash) Wiring diagrams

1400 OHM 4-WHEEL ANTI-LOCK BRAKE 820 OHM ANTI- LOCK IND BIAS CKT BATTERY JUNCTION BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSE 102 BLK WIRE BLK/LT BLU WIRE BLK/PNK WIRE BRAKE FLUID LEVEL INDICATOR SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE PEDAL POSITION (BPP) SWITCH (BEHIND LEFT SIDE OF DASH) CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (BEHIND CENTER OF DASH) DIFFERENTIAL SPEED SENSOR (DSS) (ON REAR AXLE) DK GRN WIRE DK GRN/YEL WIRE FUSE 15 FUSE 23 FUSE 6 GENERIC ELECTRONIC MODULE (GEM) GROUND POWER INPUT GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN IGNITION FEED INSTRUMENT CLUSTER LEFT FRONT LEFT FRONT SENSOR (LOW) RIGHT FRONT SENSOR (LOW) REAR SENSOR (LOW) LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/YEL WIRE NCA WIRE ORG/YEL WIRE PROCESSOR MICRO- RED/LT GRN WIRE RED/PNK WIRE RIGHT FRONT SENSOR (AT WHEEL) TAN/BLK WIRE TAN/LT GRN WIRE TAN/ORG WIRE TAN/RED WIRE WHT WIRE WHT/ORG WIRE WHT/YEL WIRE YEL/BLK WIRE YEL/RED WIRE

ANTI-LOCK BRAKES SYSTEM AUXILIARY A/C BLEND ACTUATOR (IN REAR OF VEHICLE, BEHIND LEFT SIDE PANEL) BATTERY JUNCTION BOX (ON LEFT SIDE OF ENGINE COMPARTMENT) BLK WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) CONSOLE BLOWER RELAY DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER CENTER OF DASH) DK GRN/YEL WIRE FUSE 23 FUSE 7 GRY WIRE GRY/LT BLU WIRE GRY/WHT WIRE HOT IN RUN INSTRUMENT CLUSTER SYSTEM LT BLU WIRE LT GRN WIRE PNK WIRE PNK/ (MAIN HARNESS, NEAR BREAKOUT TO PASSENGER AIR BAG) WIRE PNK/ 15 16 41 69 WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (ON RIGHT SIDE OF ENGINE COMPARTMENT) REAR MODE POTENTIOMETER RED WIRE RED/YEL WIRE RPO RELAY BLOCK 1 (BEHIND RIGHT SIDE OF DASH, ABOVE PASSENGER AIR BAG) SOLID STATE TAN WIRE TAN/ORG WIRE VIO WIRE W/O ROOF OPENING PANEL WHT WIRE WHT/LT BLU WIRE WHT/VIO WIRE WOT RELAY YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

ACCESSORY DELAY RELAY ACCESSORY DELAY RELAY CTRL HEATED GRID RELAY CTRL IGNITION (ACC/RUN) BATTERY JUNCTION BOX (LEFT SIDE OF ENGINE COMPT) BATTERY SAVER RELAY BLK WIRE BLK/LT BLU WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) CIRCUIT BREAKER FUSE 14 FUSE 15 FUSE 20 FUSE 6 FUSE 8 GENERIC ELECTRONIC MODULE (GEM) GRY WIRE GRY/BLK WIRE HEATED GRID RELAY HOT AT ALL TIMES HOT IN HOT IN RUN OR ACC INTERIOR LAMP RELAY LT BLU WIRE LT BLU/BLK WIRE LT GRN/ORG WIRE ONE-TOUCH DOWN RELAY ORG/LT GRN WIRE ORG/WHT WIRE PNK/ORG WIRE POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM RED WIRE RUN WIRE SOUND SYSTEMS ENGINE CONTROLS SYSTEM ELECTRONIC SUSPENSION SYSTEM TAN/LT BLU WIRE TRANSMISSIONS SYSTEM

BATTERY JUNCTION BOX (ON LEFT SIDE OF ENG COMPT) BLK WIRE BRN WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) DEFROST SWITCH INPUT DK BLU WIRE DK GRN WIRE DK GRN/VIO WIRE FUSE 116 FUSE 17 FUSE 6 GENERIC ELECTRONIC MODULE (UNDER LEFT SIDE OF DASH) DEFROST RELAY CONTROL HEATED GRID RELAY HOT AT ALL TIMES HOT IN RUN LEFT POWER/ HEATED MIRROR RIGHT POWER/ HEATED MIRROR LT BLU WIRE NCA WIRE ON INDICATOR ON/OFF SWITCH ORG/ WIRE REAR HEATED WINDOW SWITCH REAR WINDOW DEFROST GRID RED WIRE SWITCH ILLUM. VIO WIRE

2 3 4 ROTATION RATE INPUT VEHICLE SIGNAL INPUT IGNITION AIR SUSPENSION/ EVO STEERING MODULE (BEHIND CENTER OF DASH) BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BRN WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) ENGINE CONTROL SYSTEM EVO ACT OUTPUT EVO ACTUATOR (LEFT SIDE OF ENGINE COMPT) FUSE 6 GENERIC ELECTRONIC MODULE GROUND GRY/BLK WIRE GRY/YEL WIRE HOT IN RUN NCA WIRE ORG/ WIRE RED WIRE RED/YEL WIRE ROTATION RATE INPUT SPEED CONTROL SERVO (LEFT SIDE OF ENGINE COMPARTMENT) STEERING WHEEL ROTATION SENSOR (BEHIND STEERING WHEEL, IN DASH) YEL WIRE

5 4 2 EVO DIAGNOSTIC CONNECTOR (LEFT SIDE OF DASH) BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BRN WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMPARTMENT) ELECTRONIC VARIABLE ORIFICE (EVO) MODULE (BEHIND CENTER OF DASH) ENGINE CONTROL SYSTEM EVO ACT OUTPUT EVO ACT OUTPUT EVO ACTUATOR (LEFT SIDE OF OF ENGINE FUSE 6 FUSE 5 GENERIC ELECTRONIC MODULE GRY/BLK WIRE GRY/YEL WIRE HOT IN RUN LT BLU/PNK WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/LT BLU WIRE PNK/ORG WIRE RED WIRE RED/YEL WIRE SPEED CONTROL SERVO (LEFT SIDE OF ENGINE COMPARTMENT) STEERING WHEEL ROTATION SENSOR (BEHIND STEERING WHEEL, IN DASH) YEL WIRE

11 12 13 14 15 16 17 18 19 20 GEM INPUT WARNING INDICATOR 1999 ONLY 421 900 57 TRANSMISSION CONTROLS AIR SUSPENSION COMPRESSOR MOTOR AND VENT SOLENOID (RIGHT RADIATOR SUPPORT) AIR SUSPENSION COMPRESSOR RELAY (NEAR RIGHT HEADLAMP) AIR SUSPENSION INDICATOR AIR SUSPENSION SERVICE SWITCH (UNDER RIGHT SIDE OF DASH) AIR SUSPENSION/ EVO STEERING MODULE (BEHIND CENTER OF DASH) BATTERY JUNCTION BOX (LEFT SIDE OF ENGINE COMPT) FUSE 109 BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BRN WIRE BRN/ORG WIRE BRN/PNK WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (UNDER CENTER OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/LT GRN WIRE DK GRN/YEL WIRE EVO MODULE FRONT AIR FILL SOLENOID (NEAR TRANS COOLER) FRONT GATE SOLENOID (FRONT OF A/C CONDENSER) FUSE 2 FUSE 20 FUSE 4 FUSE 6 GRY/BLK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN INSTRUMENT CLUSTER LEFT REAR AIR SPRING SOLENOID (IN FRONT OF LEFT REAR WHEEL) LT BLU/BLK WIRE LT BLU/PNK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/RED WIRE MEMORY SYSTEMS ORG/BLK WIRE ORG/LT GRN WIRE PNK WIRE REAR AIR FILL SOLENOID REAR HEIGHT SEN BPP SWITCH SERVICE SWITCH STEERING SENSOR POWER (START) RED WIRE RED/BLK WIRE RED/LT GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR AIR SPRING SOLENOID (IN FRONT OF RIGHT REAR WHEEL) RUN WIRE SOLID STATE TAN WIRE TAN/WHT WIRE VIO/LT GRN WIRE VIO/ORG WIRE YEL/BLK WIRE

BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BRAKE PEDAL POSITION (BPP) SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC VARIABLE ORIFICE (EVO) ACTUATOR (LEFT SIDE OF ENGINE COMPT) ELECTRONIC VARIABLE ORIFICE (EVO) DIAGNOSTIC CONNECTOR (UNDER LEFT SIDE OF DASH) EXPEDITION ONLY FRONT HEIGHT SENSOR (BEHIND LEFT RUNNING BOARD) FUSE 11 GENERIC ELECTRONIC (GEM) MODULE (BEHIND LEFT SIDE OF DASH) GENERIC ELECTRONIC MODULE (GEM) GRY/BLK WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LT BLU/BLK WIRE LT BLU/WHT WIRE NCA WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (RIGHT SIDE OF ENGINE COMPT) REAR HEIGHT SENSOR (REAR FLOOR PANEL) RED WIRE RED/LT GRN WIRE RED/YEL WIRE REMOTE ANTI-THEFT PERSONALITY (RAP) MODULE (BEHIND LEFT SIDE OF DASH) SPEED CONTROL SERVO (LEFT SIDE OF ENGINE COMPT) STEERING WHEEL ROTATION SENSOR (BEHIND STEERING WHEEL, IN DASH) TAN WIRE VIO/LT GRN WIRE WHT/YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 DRVR UNLOCK 1/2 INPUT 3/4 INPUT 7/8 INPUT 9/0 INPUT 5/6 INPUT ALL LOCK/ ANTENNA BATTERY JUNCTION BOX (ON LEFT SIDE OF ENGINE COMPT) FUSE 8 BLK WIRE BLK/LT BLU WIRE BLK/ORG WIRE BLK/PNK WIRE BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/LT GRN WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMMON DATA LINK CONNECTOR (UNDER CENTER OF DASH) DATALINK DIGITAL TRANSMISSION RANGE SENSOR (ON LEFT SIDE OF AUTOMATIC TRANSMISSION) DISABLE IGNITION BPP SWITCH DK BLU WIRE DOOR AJAR OUT DOOR AJAR TRANS IN DOOR LOCKS SYSTEM DRIVER'S UNLOCK RELAY (BEHIND RIGHT SIDE OF DASH, IN LOCK RELAY BLOCK) ELECTRONIC SUSPENSION SYSTEM EXT LIGHTS FUSE 15 FUSE 4 FUSE 5 FUSE 8 HORN HORNS SYSTEM HOT AT ALL TIMES HOT IN HOT IN RUN OR ACC ILLUM ENTRY IN ILLUMINATION INT LIGHTS ALL UNLOCK POWER DISABLE GROUND ILLUM KEYLESS ENTRY SWITCH ASSEMBLY LEFT FRONT POWER DOOR LOCK SWITCH LOCK LOCK UNLOCK LT BLU WIRE LT BLU/WHT WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/RED WIRE LT GRN/YEL WIRE MEM SEAT MEMORY SYSTEMS NCA WIRE ORG/ WIRE ORG/LT GRN WIRE PNK PNK WIRE PNK WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE PNK/YEL WIRE RED WIRE RED/LT GRN WIRE REMOTE ANTI-THEFT PERSONALITY (RAP) MODULE (BEHIND LEFT SIDE OF DASH) RIGHT FRONT POWER DOOR LOCK SWITCH RUN WIRE UNLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

"ANTI-THEFT" INDICATOR BLK WIRE BLK/LT BLU WIRE CENTRAL JUNCTION BOX (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM FUSE 30 FUSE 6 GRY WIRE GRY/ORG WIRE GRY/YEL WIRE HOT IN HOT IN RUN OR START INSTRUMENT CLUSTER LT BLU WIRE LT GRN WIRE PASSIVE ANTI- THEFT SYSTEM (PATS) TRANS- CEIVER MODULE (BEHIND CENTER OF DASH) PNK/LT BLU WIRE RED WIRE RED/LT GRN WIRE RUN WIRE TAN/ORG WIRE WHT/LT GRN WIRE YEL WIRE