Ford Thunderbird X (1988-1997) primary junction block Wiring diagrams

2 3 5 BOO SWITCH INPUT VSS SIGNAL OUTPUT SHAFT SIG 53 55 TORQUE CONV SOL TCI LAMP BLK WIRE BLK/YEL WIRE BLU WIRE BRAKE ON/OFF (BOO) SWITCH (NEAR TOP OF BRAKE PEDAL) BRN/BLU WIRE BRN/ORG WIRE BRN/WHT WIRE CONSTANT CONTROL RELAY MODULE DK GRN/WHT WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID ENGINE COOLANT TEMPERATURE (ECT) SENSOR (UPPER LEFT SIDE OF ENGINE) FUSE FUSE 15 FUSE 3 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES STOP/ HAZ FUSE HOT IN RUN IGNITION POWER INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE (IAT) SENSOR (LEFT REAR OF ENGINE COMPARTMENT) LT BLU/RED WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/RED WIRE MASS AIR FLOW (MAF) SENSOR (LEFT REAR OF ENGINE COMPARTMENT) ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED (OSS) SENSOR (LOWER LEFT REAR OF ENGINE COMPARTMENT) PCM DATA LINK CONNECTOR 1 (PARTIAL) (LEFT REAR CONER OF ENGINE COMPARTMENT) PCM POWER RELAY PNK WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE PNK/ORG WIRE POWER DISTRIBUTION BOX (LEFT SIDE OF ENGINE COMPARTMENT) PRIMARY JUNCTION BLOCK PRIMARY JUNCTION BLOCK (BEHIND I/P, LEFT OF STEERING COLUMN) RED WIRE RED/YEL WIRE RUN WIRE SECCONDARY JUNCTION BLOCK (RIGHT SIDE OF STEERING COLUMN) SHIFT SOLENOIDS TAN WIRE TAN/LT BLU WIRE TAN/ORG WIRE TAN/WHT WIRE THROTTLE POSITION (TP) SENSOR (ON THROTTLE BODY) TO A/C SYSTEM TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANS. CONTROL INDICATOR LAMP TRANSMISSION TRANSMISSION CONTROL SWITCH (TCS) (BELOW FRONT OF CONSOLE) TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION RANGE (TR) SENSOR (LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE SPEED SENSOR (LOWER REAR OF TRANSAXLE) VSS (-) 7 9 TEMP SENS MAF RETURN WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

29 33 TRANS CNTRL SW VSS (-) 36 37 38 39 MAF RETURN TRANS TEMP TEMP SENS INTAKE AIR TEMP 41 54 A/C CUT OUT SW TORQUE CONV SOL 58 64 71 VSS SIGNAL TR SENS/PNP SW IGNITION POWER BLK WIRE BLK/YEL WIRE BLU WIRE BRAKE ON/OFF (BOO) SWITCH (NEAR TOP OF BRAKE PEDAL) BRN/BLU WIRE BRN/ORG WIRE BRN/WHT WIRE CONSTANT CONTROL RELAY MODULE DK GRN/WHT WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID ENGINE COOLANT TEMPERATURE (ECT) SENSOR (UPPER LEFT SIDE OF ENGINE) FUSE FUSE 15 FUSE 3 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES STOP/ HAZ FUSE HOT IN RUN HOT IN RUN OR START PRIMARY JUNCTION BLOCK CLUSTER FUSE INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE (IAT) SENSOR (LEFT REAR OF ENGINE COMPARTMENT) INTERIOR FUSE PANEL LT BLU/RED WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/RED WIRE MASS AIR FLOW (MAF) SENSOR (LEFT REAR OF ENGINE COMPARTMENT) ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED (OSS) SENSOR (LOWER LEFT REAR OF ENGINE COMPARTMENT) PCM DATA LINK CONNECTOR 1 (PARTIAL) (LEFT REAR CONER OF ENGINE COMPARTMENT) PCM POWER RELAY PNK WIRE PNK/LT BLU WIRE PNK/ORG WIRE POWER DISTRIBUTION BOX (LEFT SIDE OF ENGINE COMPARTMENT) PRIMARY JUNCTION BLOCK RED WIRE RED/YEL WIRE RUN WIRE SECCONDARY JUNCTION BLOCK (RIGHT SIDE OF STEERING COLUMN) SHIFT SOLENOIDS TAN WIRE TAN/LT BLU WIRE TAN/WHT WIRE THROTTLE POSITION (TP) SENSOR (ON THROTTLE BODY) TO A/C SYSTEM TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANS. CONTROL INDICATOR LAMP TRANSMISSION TRANSMISSION CONTROL SWITCH (TCS) (BELOW FRONT OF CONSOLE) TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION RANGE (TR) SENSOR (LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE SPEED SENSOR (VSS) (LOWER REAR OF TRANSAXLE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE FUSE HOT IN ACCY OR RUN HOT IN ACCY OR RUN SEAT/LOCK CIRCUIT BREAKER LEFT DOOR LOCK MOTOR LEFT DOOR LOCK SWITCH LOCK LT GRN WIRE PNK WIRE PNK/BLK WIRE PNK/ORG WIRE PPL PRIMARY JUNCTION BLOCK RIGHT DOOR LOCK MOTOR RIGHT DOOR LOCK SWITCH UNLOCK WHT WIRE WHT/PPL WIRE YEL WIRE

1/2 1/2 IN 3/4 COM 7/8 9/0 5/6 3/4 IN 5/6 IN 7/8 IN 9/0 IN A/T ANTENNA BACKUP LAMP SWITCH BATT + BATT+ SAVE IN BATT+ SAVE OUT BLK WIRE BLK/LT BLU WIRE BLK/PNK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CTSY LPS OUT CTSY/DR SW IN DR HANDLE IN DRIVER ST SW IN FUSE GRN WIRE GRY WIRE GRY/YEL WIRE HORN OUTPUT HORNS HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN RUN IGN INT LPS FUSE INTERIOR LAMPS INTERIOR LAMPS TRUNK LID RELEASE SOLENOID KEYLESS ENTRY KEYPAD SWITCH ASSEMBLY KEYPAD COMMON KEYPAD LP LAMP LEFT DOOR COURTESY LAMP SWITCH LEFT DOOR LATCH SWITCH LEFT DOOR LOCK ACTUATOR LEFT DOOR LOCK SWITCH LK DRS OUT LK IN LOCK LT BLU WIRE LT BLU/YEL WIRE LT GRN/ORG WIRE LT GRN/RED WIRE LT GRN/YEL WIRE LT PPL M/T ORG/ WIRE PANEL DIMMER SWITCH PARK LPS OUT PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/LT GRN WIRE PNK/ORG WIRE PNK/YEL WIRE POWER WINDOWS) PPL PPL/YEL WIRE PRIMARY JUNCTION BLOCK PROGRAM A PROGRAM B RED WIRE RED/ORG WIRE REVERSE IN RIGHT DOOR COURTESY LAMP SWITCH RIGHT DOOR LATCH SWITCH RIGHT DOOR LOCK ACTUATOR RIGHT DOOR LOCK SWITCH RKE MODULE PROGRAMMER CONNECTOR SEAT SWITCH SEAT/LOCK CIRCUIT BREAKER SIG BATT+ SIG GND TRANS- MISSION RANGE (TR) SENSOR TRANSMITTER IN TRNK LID OUT TRNK LP OUT TRUNK LID RELEASE SWITCH TURN SIGNAL FUSE UNLK IN UNLK LT DR OUT UNLK RT DR OUT UNLOCK WHT WIRE WHT/LT BLU WIRE WHT/PPL WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/LT GRN WIRE

BLK WIRE BLK/WHT WIRE DRIVER'S POWER BOLSTER SWITCH DRIVER'S POWER LUMBAR SWITCH DRIVER'S POWER LUMBAR/ BOLSTER COMPRESSOR MOTOR HOT AT ALL TIMES NCA WIRE PASSENGER'S POWER BOLSTER SWITCH PASSENGER'S POWER LUMBAR SWITCH PASSENGER'S POWER LUMBAR/ BOLSTER COMPRESSOR MOTOR PRIMARY JUNCTION BLOCK RED WIRE SEAT/LOCK CIRCUIT BREAKER

BLK WIRE DIRECT- TIONAL SWITCH DN DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES INT/LPS FUSE L/R MOTOR LEFT POWER MIRROR LT GRN/YEL WIRE NCA WIRE POWER MIRROR SWITCH PPL PRIMARY JUNCTION BLOCK RED WIRE RIGHT POWER MIRROR UP LEFT/ RIGHT SWITCH UP/DN MOTOR YEL WIRE

BLK WIRE BLK/WHT WIRE CONTROL SWITCH DN UP DRIVER'S SEAT ENTIRE SEAT FRONT HEIGHT MOTOR FRONT OF SEAT FWD RWD FWD/ RWD MOTOR HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE MOTOR ASSEMBLY) NCA WIRE PASSENGER'S SEAT) PRIMARY JUNCTION BLOCK REAR HEIGHT MOTOR REAR OF SEAT RED WIRE RED/WHT WIRE RWD FWD SEAT/LOCK CIRCUIT BREAKER UP DN YEL WIRE YEL/WHT WIRE

BLK WIRE CLOSE HOT IN ACCY OR RUN MOONROOF MOTOR MOONROOF SWITCH ASSEMBLY POWER WDO CIRCUIT BREAKER PRIMARY JUNCTION BLOCK RED/LT BLU WIRE RED/YEL WIRE YEL/RED WIRE

BLK WIRE DRIVER'S RIGHT POWER WINDOW SWITCH FUSE HOT IN ACCY OR RUN LEFT POWER WINDOW MOTOR LEFT POWER WINDOW SWITCH LT BLU WIRE POWER WDO CIRCUIT BREAKER PPL PRIMARY JUNCTION BLOCK RED/LT BLU WIRE RIGHT FRONT DOOR COURTESY LAMP RIGHT FRONT WINDOW MOTOR RIGHT POWER WINDOW SWITCH TAN WIRE UP DOWN WHT WIRE WHT/BLK WIRE WHT/PPL WIRE WHT/YEL WIRE YEL WIRE

BAT IGN BLK WIRE BRN WIRE CLUSTER FUSE DK GRN WIRE DOOR COURTESY LAMP SWITCH INPUT FASTEN BELTS INDICATOR FUSE GROUND HOT AT ALL TIMES HOT IN ACCY OR RUN HOT IN RUN OR START INSTRUMENT CLUSTER INT LPS FUSE INTEGRATED CONTROL MODULE (PRIMARY JUNCTION BLOCK) INTEGRATED CONTROL MODULE WARNING CHIME MODULE KEY WARNING SWITCH LAMPS SEAT BELT INPUT LAMP OUTPUT LEFT DOOR COURTESY LAMP SWITCH LEFT DOOR LATCH SWITCH (BEHIND LEFT COWL PANEL, NEAR FRONT OF DOOR SILL) LT BLU WIRE LT GRN WIRE MAIN LIGHT SWITCH NCA WIRE OFF HEAD PARK PNK WIRE PRIMARY JUNCTION BLOCK PRIMARY JUNCTION BLOCK (LEFT SIDE OF I/P) RED WIRE RED/PNK WIRE RIGHT DOOR LATCH SWITCH RUN/ACCY POWER KEY IN IGNITION INPUT SEAT BELT BUCKLED INPUT SEAT BELT SWITCH START/RUN POWER DOOR INPUT WARNING CHIME MODULE WHT WIRE YEL WIRE