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

2 STD FUSE 246 57 PPL BLK WIRE BLK/YEL WIRE BLOWER IN-LINE FUSE HOLDER (BEHIND LEFT SIDE OF I/P, TAPED TO HARNESS) BLOWER MOTOR BLOWER MOTOR SPEED CONTROLLER (BEHIND RIGHT SIDE OF I/P) BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COLD ENGINE LOCKOUT SWITCH (TOP RIGHT SIDE OF ENGINE) DEF DK BLU/LT GRN WIRE FUSE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN A/C FUSE IGNITION SWITCH JOINT CONNEC- TOR 1 JOINT CONNECTOR 1 LOCK OFF LOWER RADIATOR SUPPORT) LT GRN WIRE LT GRN/ORG WIRE LT GRN/PPL WIRE MAX NORM NORM MAX PANEL OFF ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE OUTSIDE/ RECIRCULATE SOLENOID (BEHIND RIGHT SIDE OF I/P) PAN/FLR FLR FLR/DEF DEF PANEL OFF PAN/FLR FLR FLR/DEF PNK/BLK WIRE PNK/LT GRN WIRE POWER DISTRIBUTION BOX PPL PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED/ORG WIRE RED/YEL WIRE RUN WIRE SECONDARY JUNCTION BLOCK SEMI-AUTOMATIC TEMPERATURE CONTROL MODULE (CENTER OF I/P) SOLID STATE WHT/LT BLU WIRE WHT/ORG WIRE YEL/WHT WIRE

14 17 (3.8L) (4.6L) 13 68 (3.8L) (4.6L) 4.6L ONLY 42 86 (3.8L) (4.6L) A/C CLUTCH COIL A/C CLUTCH CONTROL PCM POWER RELAY A/C HIGH PRESSURE CUTOUT/FAN SWITCH (LOWER RIGHT REAR OF ENGINE ON A/C LINE) A/C-HEATER FUCTION SELECTOR SWITCH BLEND DOOR MOTOR CONTROL (BEHIND CENTER OF I/P, ON PLENUM) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLOWER IN-LINE FUSE HOLDER (BEHIND LEFT SIDE OF I/P, TAPED TO HARNESS) BLOWER MOTOR BLOWER MOTOR SWITCH BLOWER RESISTORS (BEHIND RIGHT SIDE OF I/P, IN PLENUM) BRN/ORG WIRE COLD DK BLU WIRE DK BLU/LT GRN WIRE EDF RELAY EDF RELAY CONTROL ELECTRIC COOLING FAN ENGINE CONTROLS SYSTEM FL 3 FL 5 FL 15 FUSE GRY/WHT WIRE GRY/YEL WIRE HEDF RELAY FUEL PUMP RELAY HOT AT ALL TIMES HOT IN RUN HOT IN RUN A/C FUSE HOT IN START OR RUN IGNITION SWITCH IN-LINE FUSE LOCK OFF LT BLU/RED WIRE LT GRN/PPL WIRE LT GRN/WHT WIRE NCA WIRE OFF PAN/FLR FLR DEF/FLR OFF PAN/FLR PANEL FLR NORM DEF/FLR MAX DEF ORG/BLK WIRE PANEL ILLUMI- NATION NORM MAX PNK/LT BLU WIRE PNK/YEL WIRE POWER DISTRIBUTION BOX PPL PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED WIRE RED/LT GRN WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE SECONDARY JUNCTION BLOCK SOLID STATE SUPPORT) TAN/LT GRN WIRE TAN/ORG WIRE WARM WHT/LT BLU WIRE YEL WIRE YEL/LT GRN WIRE YEL/RED WIRE

2 STD FUSE 246 57 PPL BLK WIRE BLK/YEL WIRE BLOWER IN-LINE FUSE HOLDER (BEHIND LEFT SIDE OF I/P, TAPED TO HARNESS) BLOWER MOTOR BLOWER MOTOR SPEED CONTROLLER (BEHIND RIGHT SIDE OF I/P) BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COLD ENGINE LOCKOUT SWITCH (TOP RIGHT SIDE OF ENGINE) DEF DK BLU/LT GRN WIRE FUSE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN A/C FUSE IGNITION SWITCH JOINT CONNEC- TOR 1 JOINT CONNECTOR 1 LOCK OFF LOWER RADIATOR SUPPORT) LT GRN WIRE LT GRN/ORG WIRE LT GRN/PPL WIRE MAX NORM NORM MAX PANEL OFF ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE OUTSIDE/ RECIRCULATE SOLENOID (BEHIND RIGHT SIDE OF I/P) PAN/FLR FLR FLR/DEF DEF PANEL OFF PAN/FLR FLR FLR/DEF PNK/BLK WIRE PNK/LT GRN WIRE POWER DISTRIBUTION BOX PPL PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED/ORG WIRE RED/YEL WIRE RUN WIRE SECONDARY JUNCTION BLOCK SEMI-AUTOMATIC TEMPERATURE CONTROL MODULE (CENTER OF I/P) SOLID STATE WHT/LT BLU WIRE WHT/ORG WIRE YEL/WHT WIRE

A/C CLUTCH COIL A/C CLUTCH CONTROL A/C HIGH PRESSURE CUTOUT/FAN SWITCH (LOWER RIGHT REAR OF ENGINE ON A/C LINE) A/C-HEATER FUCTION SELECTOR SWITCH BLEND DOOR MOTOR CONTROL (BEHIND CENTER OF I/P, ON PLENUM) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLOWER IN-LINE FUSE HOLDER BLOWER MOTOR BLOWER MOTOR SWITCH BLOWER RESISTORS (BEHIND RIGHT SIDE OF I/P, IN PLENUM) LO BRN/ORG WIRE COLD DK BLU WIRE DK BLU/LT GRN WIRE EDF RELAY EDF RELAY CONTROL ELECTRIC COOLING FAN ELECTRIC COOLING PUSHER FAN FL 5 FUSE GRY/WHT WIRE GRY/YEL WIRE HEDF 1 RELAY HEDF 2 RELAY FUEL PUMP RELAY HOT AT ALL TIMES HOT AT ALL TIMES POWER DISTRIBUTION BOX PCM POWER RELAY FL 5 HOT IN RUN HOT IN RUN A/C FUSE IGNITION SWITCH LOCK OFF LT BLU/RED WIRE LT GRN/PPL WIRE LT GRN/WHT WIRE NCA WIRE OFF PAN/FLR FLR DEF/FLR OFF PAN/FLR PANEL FLR NORM DEF/FLR MAX DEF ORG/ WIRE ORG/BLK WIRE PANEL ILLUMI- NATION NORM MAX PCM POWER RELAY PNK/LT BLU WIRE PNK/YEL WIRE POWER DISTRIBUTION BOX POWER- TRAIN CONTROL MODULE (BEHIND RIGHT COWL) PPL PPL/ORG WIRE PRIMARY JUNCTION BLOCK PUSHER FAN RELAY (BEHIND LEFT SHOCK TOWER) RED WIRE RED/LT GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE SECONDARY JUNCTION BLOCK SOLID STATE SUPPORT) TAN/LT GRN WIRE TAN/ORG WIRE WARM WHT/LT BLU WIRE WHT/RED WIRE YEL WIRE YEL/LT GRN WIRE YEL/RED WIRE

2 STD FUSE 246 57 PPL BLK WIRE BLK/YEL WIRE BLOWER IN-LINE FUSE HOLDER (BEHIND LEFT SIDE OF I/P, TAPED TO HARNESS) BLOWER MOTOR BLOWER MOTOR SPEED CONTROLLER (BEHIND RIGHT SIDE OF I/P) BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COLD ENGINE LOCKOUT SWITCH (TOP RIGHT SIDE OF ENGINE) DEF DK BLU/LT GRN WIRE FUSE GRY/YEL WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN A/C FUSE IGNITION SWITCH JOINT CONNEC- TOR 1 JOINT CONNECTOR 1 LOCK OFF LOWER RADIATOR SUPPORT) LT GRN WIRE LT GRN/ORG WIRE LT GRN/PPL WIRE MAX NORM NORM MAX PANEL OFF ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE OUTSIDE/ RECIRCULATE SOLENOID (BEHIND RIGHT SIDE OF I/P) PAN/FLR FLR FLR/DEF DEF PANEL OFF PAN/FLR FLR FLR/DEF PNK/BLK WIRE PNK/LT GRN WIRE POWER DISTRIBUTION BOX PPL PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED/ORG WIRE RED/YEL WIRE RUN WIRE SECONDARY JUNCTION BLOCK SEMI-AUTOMATIC TEMPERATURE CONTROL MODULE (CENTER OF I/P) SOLID STATE WHT/LT BLU WIRE WHT/ORG WIRE YEL/WHT WIRE

14 17 (3.8L) (4.6L) 13 68 (3.8L) (4.6L) 4.6L ONLY 42 86 (3.8L) (4.6L) A/C CLUTCH COIL A/C CLUTCH CONTROL PCM POWER RELAY A/C HIGH PRESSURE CUTOUT/FAN SWITCH (LOWER RIGHT REAR OF ENGINE ON A/C LINE) A/C-HEATER FUCTION SELECTOR SWITCH BLEND DOOR MOTOR CONTROL (BEHIND CENTER OF I/P, ON PLENUM) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLOWER IN-LINE FUSE HOLDER (BEHIND LEFT SIDE OF I/P, TAPED TO HARNESS) BLOWER MOTOR BLOWER MOTOR SWITCH BLOWER RESISTORS (BEHIND RIGHT SIDE OF I/P, IN PLENUM) BRN/ORG WIRE COLD DK BLU WIRE DK BLU/LT GRN WIRE EDF RELAY EDF RELAY CONTROL ELECTRIC COOLING FAN ENGINE CONTROLS SYSTEM FL 3 FL 5 FL 15 FUSE GRY/WHT WIRE GRY/YEL WIRE HEDF RELAY FUEL PUMP RELAY HOT AT ALL TIMES HOT IN RUN HOT IN RUN A/C FUSE HOT IN START OR RUN IGNITION SWITCH IN-LINE FUSE LOCK OFF LT BLU/RED WIRE LT GRN/PPL WIRE LT GRN/WHT WIRE NCA WIRE OFF PAN/FLR FLR DEF/FLR OFF PAN/FLR PANEL FLR NORM DEF/FLR MAX DEF ORG/BLK WIRE PANEL ILLUMI- NATION NORM MAX PNK/LT BLU WIRE PNK/YEL WIRE POWER DISTRIBUTION BOX PPL PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED WIRE RED/LT GRN WIRE RED/ORG WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE SECONDARY JUNCTION BLOCK SOLID STATE SUPPORT) TAN/LT GRN WIRE TAN/ORG WIRE WARM WHT/LT BLU WIRE YEL WIRE YEL/LT GRN WIRE YEL/RED WIRE

ACTUATOR POWER ACTUATOR RETURN BLK WIRE BRN WIRE EVO TEST CONNECTOR (RIGHT SIDE OF TRUNK) FUSE GROUND GRY/BLK WIRE GRY/RED WIRE HOT IN RUN IGNITION LT BLU WIRE NOT USED ORG/BLK WIRE PNK/ORG WIRE PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED WIRE ROTATION SENSOR RUN WIRE SECONDARY JUNCTION BLOCK STEERING SENSOR STEERING WHEEL ROTATION SENSOR (BOTTOM OF STEERING COLUMN) TEST CONN VEHICLE SPPED SENSOR (VSS) (LEFT REAR OF TRANSMISSION) VSS YEL/LT GRN WIRE

ACTUATOR POWER ACTUATOR RETURN AUTO SHOCK TEST CONNECTOR (RIGHT REAR OF ENGINE COMPARTMENT, BEHIND SHOCK TOWER) BLK WIRE BRN WIRE ELECTRONIC SUSPENSION SYSTEM FUSE GROUND GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT IN RUN IGNITION LT BLU WIRE PNK/ORG WIRE PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED WIRE ROTATION SENSOR RUN WIRE SECONDARY JUNCTION BLOCK STEERING WHEEL ROTATION SENSOR (BOTTOM OF STEERING COLUMN) TEST TERMINALS VEHICLE SPPED SENSOR (VSS) (LEFT REAR OF TRANSMISSION) VOLTAGE REF VSS INPUT WHT/PPL WIRE YEL WIRE YEL/BLK WIRE YEL/LT GRN WIRE

AIR CONDITIONING SYSTEM (A/C HIGHT PRESSURE CUTOUT/FAN SW) ARC EVR PFC INJ 4 SPOUT VPWR EPC INJ 3 PWR GND TCS ACP BARO SIG RTN TP STI TFI MAF BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/PNK WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION (CMP) SENSOR (TOP FRONT OF ENGINE) CLUSTER FUSE COOLING FANS DK BLU/LT GRN WIRE DK BLU/ORG WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE EGR VACUUM REGULATOR (EVR) SOLENOID (RIGHT SIDE OF SAFETY WALL) ELECTRONIC SUSPENSION SYSTEM 386 360 461 FUEL PUMP/FUEL GAUGE SENDER (TOP OF FUEL TANK) GRY WIRE GRY/BLK WIRE GRY/LT BLU WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HOT IN RUN OR START IDLE AIR CONTROL (IAC) VALVE #1 (ON THROTTLE BODY) INERTIA FUEL SHUTOFF SW (LEFT SIDE OF TRUNK) INJECTORS INSTRUMENT CLUSTER LEFT LT BLU/ORG WIRE LT BLU/RED WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/ORG WIRE LT GRN/PPL WIRE LT GRN/RED WIRE MALFUNCTION INDICATOR LAMP OCT ADJ MLP ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE ORG/WHT WIRE ORG/YEL WIRE PARK/TURN SIGNAL LAMPS PNK WIRE PNK/BLK WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE PNK/ORG WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (RIGHT COWL PANEL) PPL/ORG WIRE PRESSURE FEEDBACK EGR (PFE) SENSOR (RIGHT REAR OF ENGINE) PRIMARY JUNCTION BLOCK RED WIRE RED/BLK WIRE RED/YEL WIRE SECONDARY JUNCTION BLOCK STI DATA LINK CONN SIDE OF ENGINE COMPARTMENT) SYSTEM TACHOMETER TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/ORG WIRE TAN/WHT WIRE TCC WAC TCIL PIP VPWR INJ 1 INJ 2 PWR GND VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) WHT WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/PNK WIRE WHT/PPL WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

A/T BLK WIRE BLK/ORG WIRE BLU WIRE CLUSTER FUSE CLUTCH PEDAL POSITION (CPP) SWITCH (TOP OF CLUTCH PEDAL SUPPORT) DK GRN/WHT WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID GRN WIRE GRY/ORG WIRE GRY/RED WIRE GRY/YEL WIRE HOT IN RUN HOT IN RUN OR START INSTRUMENT CLUSTER LT BLU/ORG WIRE LT BLU/YEL WIRE LT GRN/PPL WIRE M/T MANUAL LEVER POSITION (MLP) SENSOR (LEFT REAR OF TRANSMISSION) ORG/BLK WIRE ORG/RED WIRE ORG/WHT WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) PARK/NEUTRAL POSITION SWITCH (LEFT REAR OF TRANSMISSION) PNK WIRE PNK/BLK WIRE PNK/LT BLU WIRE PNK/YEL WIRE PPL/ORG WIRE PPL/YEL WIRE PRIMARY JUNCTION BLOCK RED WIRE RED/YEL WIRE RUN FUSE SECONDARY JUNCTION BLOCK SHIFT SOLENOID (SS) TAN/ORG WIRE TAN/WHT WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION CONTROL INDICATOR TRANSMISSION CONTROL SWITCH (TCS) (BELOW FRONT OF CONSOLE) TRANSMISSION OIL TEMPER- ATURE (TOT) SENSOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/PNK WIRE WHT/RED WIRE WHT/YEL WIRE