Ford Thunderbird X (1988-1997) (ground bus) Wiring diagrams

AUTOLAMP DUAL COIL RELAY (BEHIND I/P, RIGHT SIDE OF STEERING COLUMN) BATTERY POWER BLK LT BLU/ WIRE BLK WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE CIGAR LTR FUSE CLUSTER FUSE DELAY OUTPUT DELAYED EXIT INPUT DIMMER SWITCH DK BLU WIRE DK BLU/ORG WIRE EXIT DELAY FLASH TO PASS SWITCH FOG FUSE FOG LIGHT SWITCH FUSE FUSE 1 GROUND BUS (BEHIND I/P, NEAR RIGHT SIDE OF STEERING COLUMN) GROUND BUS (LEFT SIDE OF VEHICLE, MOUNTED ON UPPER RADIATOR SUPPORT) GRY/WHT WIRE HEAD HI BEAM IND. OUT HI BEAM INDICATOR HI BEAM OUT HOT AT ALL TIMES HOT IN RUN HOT IN START OR RUN HOT WITH LIGHT SWITCH IN PARK OR HEAD IGN BRAKE IND IGNITION POWER IGNITION SWITCH ILLUMINATION INSTRUMENT CLUSTER INSTRUMENT CLUSTER BRAKE INDICATOR LEFT FOG LIGHT LIGHT SENSOR/ AMPLIFIER (TOP RIGHT SIDE OF I/P) LO HI HI LEFT HEADLIGHT LO RIGHT HEADLIGHT LOCK OFF LT BLU/BLK WIRE LT BLU/RED WIRE LT GRN/BLK WIRE MAIN LIGHT SWITCH MULT-FUNCTION SWITCH NCA WIRE OFF PARK ON INDICATOR ON OFF ORG/ WIRE ORG/RED WIRE ORG/WHT WIRE PANEL DIMMER SWITCH PARK BRAKE IND OUT PARK BRAKE SWITCH PASS HI PASS HI LO POWER DISTRIBUTION BOX POWER DISTRIBUTION BOX FOG LIGHT RELAY PPL/ORG WIRE PPL/WHT WIRE PRIMARY JUNCTION BLOCK PRIMARY JUNCTION BLOCK PANEL LPS FUSE RED/BLK WIRE RED/YEL WIRE RIGHT FOG LIGHT RUN WIRE SECONDARY JUNCTION BLOCK TAN/WHT WIRE WHT/PPL WIRE YEL WIRE

AUTOLAMP DUAL COIL RELAY (BEHIND I/P, RIGHT SIDE OF STEERING COLUMN) BATTERY POWER BLK WIRE BRN WIRE CIGAR LTR FUSE CLUSTER FUSE DELAY OUTPUT DELAYED EXIT INPUT DK BLU WIRE DK BLU/ORG WIRE EXIT DELAY FLASH-TO-PASS SWITCH DIMMER SWITCH FOG FUSE FOG LIGHT RELAY FOG LIGHT SWITCH FUSE 1 GROUND BUS (BEHIND I/P, NEAR RIGHT SIDE OF STEERING COLUMN) HEAD HOT AT ALL TIMES HOT IN RUN OR START HOT WITH LIGHT SWITCH IN PARK OR HEAD IGNITION POWER ILLUMINATION LEFT FOG LAMP RIGHT FOG LAMP LIGHT SENSOR/ AMPLIFIER (TOP RIGHT SIDE OF I/P) LO HI INSTRUMENT CLUSTER LEFT HEADLAMP HI-BEAM INDICATOR LO HI RIGHT HEADLAMP LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MAIN LIGHT SWITCH MULTI- FUNCTION SWITCH NCA WIRE OFF OFF PARK ON INDICATOR ON OFF ORG/ WIRE ORG/WHT WIRE PANEL DIMMER SWITCH PASS PASS HI HI LO LO POWER DISTRIBUTION BOX PPL/ORG WIRE PRIMARY JUNCTION BLOCK PRIMARY JUNCTION BLOCK PANEL LPS FUSE RED WIRE RED/BLK WIRE RED/YEL WIRE SECONDARY JUNCTION BLOCK TAN/WHT WIRE WHT/PPL WIRE YEL WIRE

A/T AUTOLAMP DUAL COIL RELAY AUTOMATIC SHOCK CONTROL MODULE BACKUP LAMP SWITCH BLK WIRE BLK/PNK WIRE BLU WIRE BRAKE/ BRN WIRE DIGITAL CLOCK DK DK ELECTRONIC FLASHER GRN WIRE HAZARD HAZARD SWITCH NORMAL HEAD HIGH MOUNT STOP LAMPS HOT AT ALL TIMES HOT IN RUN INSTRUMENT CLUSTER LEFT FRONT PARK/ TURN LAMP LEFT FRONT PARK LAMP JUNCTION CONNECTOR LEFT LED BAR SOLID STATE LEFT LICENSE LAMP LEFT REAR STOP/ PARK/ TURN LAMP LT BLU WIRE LT GRN WIRE LT GRN/WHT WIRE LT LEFT TURN INDI- CATOR RIGHT TURN INDI- CATOR M/T MAIN LAMP SWITCH MULTI- FUNCTION SWITCH OFF PARK ORG/ WIRE ORG/RED WIRE PANEL DIMMER SWITCH PANEL LPS FUSE PARK LAMP IN-LINE FUSE HOLDER PARK LPS FUSE PNK RIGHT REAR STOP/ PARK/ TURN LAMP LEFT BACKUP LAMP WIRE PNK WIRE PPL PPL/ORG WIRE PRIMARY JUNCTION BLOCK RED WIRE RED/WHT WIRE REMOTE KEYLESS ENTRY MODULE RIGHT BACKUP LAMP RIGHT FRONT PARK LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT LED BAR SOLID STATE RIGHT LICENSE LAMP SECONDARY JUNCTION BLOCK SOLID STATE STOP/HAZ FUSE SWITCH (ON TOP OF BRAKE PEDAL SUPPORT) TAN/WHT WIRE THUNDERBIRD ONLY TRANSMISSION RANGE (TR) SENSOR TURN SIG FUSE TURN SWITCHES TURN LEFT TURN RIGHT W/KEYLESS ENTRY WHT WIRE WHT/LT BLU WIRE

3.8L SC ENGINE COOLING FAN MOTOR 3.8L SC INTEGRATED RELAY CONTROL MODULE IGNITION CONTROL MODULE 3.8L SC ONLY 3.8L/3.8L SC 4.6L A/C HIGH PRESSURE CUTOUT/FAN SWITCH ABS TEST CONNECTOR ANTI- LOCK POWER RELAY ANTI- LOCK PUMP MOTOR RELAY ANTI-LOCK BRAKE CONTROL MODULE ANTI-LOCK BRAKE MOTOR SENSOR SHIELD BATTERY BLK WIRE BLK/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE SENSOR SHIELDS CAMSHAFT POSITION SENSOR DATA LINK CONNECTOR DATA LINK CONNECTOR W/ABS EI ONLY ENGINE COMPARTMENT LAMP ENGINE COOLANT LEVEL SENSOR LEFT FRONT PARK LAMP ENGINE COOLING PUSHER FAN FOG LAMP RELAY HEATED OXYGEN SENSOR 1 HEATED OXYGEN SENSOR 2 IGNITION CONTROL MODULE LEFT FOG LAMP LEFT FRONT LEFT FRONT PARK/ TURN LAMP LEFT HEADLAMP LEFT REAR RIGHT FRONT LT GRN WIRE MASS AIR FLOW (MAF SENSOR) NCA WIRE POWER- TRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE (PCM) RIGHT FOG LAMP RIGHT FRONT PARK LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT HEADLAMP RIGHT REAR SOLENOID CONTROL VALVE BODY W/ABS W/O ABS WASHER MOTOR WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

A/C-HEATER FUNCTION SELECTOR SWITCH AIR BAG DIAGNOSTIC MONITOR AIR BAG DIAGNOSTIC MONITOR PHONE SWITCH ASHTRAY LAMP BLEND DOOR MOTOR CONTROL BLK WIRE BLK/LT GRN WIRE BLOWER MOTOR SPEED CONTROLLER BLOWER MOTOR SWITCH BLOWER RESISTORS CIGAR LIGHTER CLOCK SPRING ASSEMBLY DATA LINK CONNECTOR ELECTRONIC FLASHER GRY WIRE IGNITION SWITCH INDICATOR LAMP MODULE INSTRUMENT CLUSTER INTEGRATED CONTROL MODULE JOINT CONNECTOR 1 JUNCTION CONNECTOR LT GRN WIRE MAIN LIGHT SWITCH LEFT INSTRUMENT PANEL LAMP MOBILE TELEPHONE TRANSCEIVER PHONE SWITCH ORG/ WIRE PANEL DIMMER SWITCH RADIO RADIO, AMPLIFIER REAR WINDOW DEFROST SWITCH RED WIRE RIGHT INSTRUMENT PANEL LIGHT SECONDARY JUNCTION BLOCK SEMI- AUTOMATIC TEMPERATURE CONTROL MODULE AUTOLAMP DUAL COIL RELAY SEMI-AUTOMATIC TEMPERATURE CONTROL (SATC) MODULE SHIFT LOCK ACTUATOR DIGITAL CLOCK SPEAKER INTERRUPT MODULE SPEED CONTROL AMPLIFIER POWER ANTENNA MODULE SPEED CONTROL SWITCH ASSEMBLY TRANSMISSION RANGE (TR) INDICATOR W/O SATC W/SATC

4.6L ONLY 6 33 (3.8L) (4.6L) AUTOMATIC SHOCK CONTROL MODULE BLK WIRE DOME/MAP LAMPS DRIVER'S POWER LUMBAR/ BOLSTER COMPRESSOR MOTOR DRIVER'S RIGHT POWER WINDOW SWITCH DRIVER'S RIGHT POWER WINDOW SWITCH LEFT POWER WINDOW SWITCH DRIVER'S SEAT CONTROL SWITCH ELECTRONIC VARIABLE ORIFICE MODULE FUEL FILLER DOOR RELEASE SOLENOID FUEL PUMP/ FUEL GAUGE SENDER GRY WIRE INSTRUMENT CLUSTER KEYLESS ENTRY KEYPAD SWITCH ASSEMBLY LEFT DOOR COURTESY LAMP LEFT DOOR LOCK SWITCH LEFT HI MOUNT STOP LAMP RIGHT HI MOUNT STOP LAMP LEFT LOCK CYLINDER ILLUMINATION LAMP LEFT POWER WINDOW SWITCH LEFT REAR COURTESY LAMP LEFT REAR STOP/PARK/ TURN LAMP MOONROOF SWITCH ASSEMBLY ORG/ WIRE PNK WIRE POWER MIRROR SWITCH POWERTRAIN CONTROL MODULE RED WIRE REMOTE KEYLESS ENTRY MODULE REMOTE/KEYLESS ENTRY MODULE RIGHT REAR STOP/PARK/ TURN LAMP SEAT BELT SWITCH SECONDARY JUNCTION BLOCK SPEED CONTROL AMPLIFIER TO GROUND VEHICLE SPEED SENSOR (VSS) W/ EVO POWER STEERING W/ PROGRAMMABLE RIDE CONTROL YEL WIRE

25 20 (4.6L) (3.8L) 4.6L ONLY BLK WIRE BLK/YEL WIRE CKP SENSOR SHIELD CMP SENSOR SHIELD ELECTRONIC VARIABLE ORIFICE (EVO) MODULE AUTOMATIC SHOCK CONTROL MODULE FOG LAMP SWITCH FROM GROUND FUEL PUMP/ FUEL GAUGE SENDER HARD RIDE RELAY ICM SHIELD LEFT BACKUP LAMP LEFT LED BAR LEFT LICENSE LAMP LUGGAGE COMPARTMENT LAMP PASSENGER'S POWER LUMBAR/ BOLSTER COMPRESSOR MOTOR PASSENGER'S SEAT CONTROL SWITCH POWERTRAIN CONTROL MODULE REAR WINDOW DEFROST GRID RIGHT BACKUP LAMP RIGHT DOOR COURTESY LAMP RIGHT DOOR LOCK SWITCH RIGHT LED BAR RIGHT LICENSE LAMP RIGHT LOCK CYLINDER ILLUMINATION LAMP RIGHT POWER WINDOW SWITCH RIGHT REAR COURTESY LAMP SOFT RIDE RELAY TRUNK LID RELEASE SOLENOID W/O REMOTE KEYLESS ENTRY W/REMOTE KEYLESS ENTRY

23 24 PNK WIRE AIR CONDITIONING SYSTEM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN/PNK WIRE CKP COIL 1 COIL 2 COIL 3 COIL 4 COMPUTER DATA LINES SYSTEM COOL FAN MNTR COOLING FANS SYSTEM DATA LINK (-) DATA LINK (+) COOL FAN (HI) DK BLU WIRE DK GRN WIRE EGR VAC REG IDM PIP SPOUT PWR GND FUSE FUSE 15 FUSE 3 GRN WIRE GROUND BUS (BEHIND I/P, RIGHT OF STEERING COLUMN) GRY WIRE GRY/ORG WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN PRIMARY JUCTION BLOCK (BELOW LEFT SIDE OF I/P) IDM IGN GND IGN GND PWR GND CASE GND IGN PWR IGNITION CONTROL MODULE (RIGHT SIDE OF ENGINE COMPARTMENT) INTEGRATED RELAY CONTROL MODULE (LEFT FRONT CORNER OF ENGINE COMPARTMENT) LEFT IGNITION COIL LEFT RADIO NOISE CAPACITOR LT GRN WIRE LT GRN/PPL WIRE LT GRN/RED WIRE MAF SIG RTN TRANS TEMP ECT SENS IAT SENS FUEL PUMP MNTR A/C CYCL SW ORG/ WIRE ORG/BLK WIRE ORG/RED WIRE ORG/WHT WIRE ORG/YEL WIRE PCM POWER RELAY PIP PNK 8 9 10 WIRE PNK WIRE PNK/BLK WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE PNK/ORG WIRE POWER DISTRIBUTION BOX (LEFT SIDE OF ENGINE COMPARTMENT) POWERTRAIN CONTROL MODULE (BEHIND RIGHT COWL PANEL) PPL PPL FEPS (EPROM) PPL/ORG WIRE RED WIRE RED/LT GRN WIRE RED/ORG WIRE RIGHT IGNITION COIL RIGHT RADIO NOISE CAPACITOR RUN WIRE SECONDARY JUNCTION BLOCK SHIFT SOL 1 SPOUT TAN WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/ORG WIRE TAN/WHT WIRE TO FUEL PUMP RELAY TO SPARK PLUGS 1, 6 TO SPARK PLUGS 2, 8 TO SPARK PLUGS 4, 7 TO SPARK PLUGS 3, 5 TRANS CTRL SW OCTANE ADJUST TRANSMISSION CONTROL SWITCH VSS WHT WIRE WHT/PNK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE BRN/YEL WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE EGR VACUUM REGULATOR SOLENOID (RIGHT REAR OF ENGINE COMPARTMENT) ELECTRONIC PRESSURE CONTROL SOLENOID EVAP CANISTER PURGE SOLENOID (LOWER RIGHT FRONT OF VEHICLE) FUEL INJECTORS GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE IDLE AIR CONTROL VALVE (LEFT SIDE OF THROTTLE BODY) LT BLU WIRE LT BLU/ORG WIRE LT GRN/ORG WIRE LT LT LT ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) PNK/BLK WIRE PPL/LT BLU WIRE PPL/ORG WIRE RED WIRE RED/LT GRN WIRE SHIFT SOLENOIDS TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/RED WIRE TORQUE CONVERTER CLUTCH SOLENOID TRANSMISSION FLUID TEMPERATURE SENSOR WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLK/WHT WIRE BRAKE ON/OFF SWITCH BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE) (BEHIND RIGHT COWL PANEL) CMP SENSOR SHIELD COOLING FANS SYSTEM DK BLU/ORG WIRE GRY WIRE GRY/BLK WIRE GRY/LT BLU WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEATED OXYGEN SENSOR 1 (LEFT EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (RIGHT EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 3 (RIGHT EXHAUST PIPE) HEATED OXYGEN SENSOR 4 (LEFT EXHAUST PIPE) HEATER CTRL HOT AT ALL TIMES LT BLU WIRE LT BLU/ORG WIRE LT BLU/RED WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/ORG WIRE LT GRN/RED WIRE MAF SENS IN TP SENS IN REF VOLT SIG RTN BRAKE ON/OFF MASS AIR FLOW SENSOR (RIGHT SIDE OF ENGINE COMPARTMENT) NCA WIRE ORG/LT BLU WIRE PNK/ORG WIRE PNK/YEL WIRE POWER FUEL INJ 8 FUEL INJ 6 FUEL INJ 4 FUEL INJ 2 POWER GND POWERTRAIN CONTROL MODULE (BEHIND RIGHT COWL PANEL) PPL PPL WARNING SYSTEM PPL/LT BLU WIRE PPL/LT GRN WIRE PRIMARY JUNCTION BLOCK (BELOW LEFT SIDE OF I/P) RED WIRE RED/BLK WIRE RED/LT GRN WIRE RED/WHT WIRE SECONDARY JUNCTION BLOCK (RIGHT SIDE OF STEERING COLUMN) STOP/ HAZ FUSE TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/ORG WIRE TAN/RED WIRE TAN/YEL WIRE TR SENS PFE SENS TRANS CTRL IND FUEL PUMP CTRL EPC SOL TCC SOL IAC SOL OSS (+) CYL ID INPUT VSS WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE YEL/LT BLU WIRE