Ford Ranger I (1998-2006) smart junction box (behind right side of dash) Wiring diagrams

1 2 3 6 13 SS B MIL 2 10 13 DATA LINK CONNECTOR (AT BOTTOM OF STEERING COLUMN) 90 91 92 97 103 VREF SIG RTN BPP POWER GROUND ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION (LEFT SIDE OF TRANSMISSION) BACK-UP LAMPS BATTERY JUNCTION BOX (LEFT REAR SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ON BRAKE PEDAL SUPPORT) BRN WIRE BRN/ORG WIRE BRN/WHT WIRE CHT POWER GROUND GROUND TCIL EPC OSS TP DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID ENGINE CONTROLS SYSTEM FUSE 11 FUSE 20 FUSE 21 FUSE 32 FUSE 41 GROUND SS C TCC VBATT ISS GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START INSTRUMENT CLUSTER PRNDL INTERMEDIATE SHAFT SPEED (ISS) SENSOR (LEFT SIDE OF TRANS) LT BLU WIRE LT BLU/BLK WIRE LT BLU/ORG WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP (MIL) NCA WIRE OD OFF ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED (OSS) SENSOR (LEFT REAR OF TRANS) PCM POWER DIODE PNK/BLK WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE RED WIRE RED/BLK WIRE RED/LT GRN WIRE RED/WHT WIRE RUN WIRE SHIFT SOLENOIDS SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) TAN WIRE TAN/ORG WIRE TAN/WHT WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION CONTROL SWITCH (TCS) TSS DLC DLC (-) DLC (+) GROUND SS A SS D TCS TFT TURBINE SHAFT SPEED (TSS) SENSOR TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR VIO WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/LT GRN WIRE

1 2 3 6 13 SS B MIL 2 10 13 DATA LINK CONNECTOR (AT BOTTOM OF STEERING COLUMN) 90 91 92 97 103 VREF SIG RTN BPP POWER GROUND ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION (LEFT SIDE OF TRANSMISSION) BACK-UP LAMPS BATTERY JUNCTION BOX (LEFT REAR SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ON BRAKE PEDAL SUPPORT) BRN WIRE BRN/ORG WIRE BRN/WHT WIRE CHT POWER GROUND GROUND TCIL EPC OSS TP DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID ENGINE CONTROLS SYSTEM FUSE 11 FUSE 20 FUSE 21 FUSE 32 FUSE 41 GROUND SS C TCC VBATT ISS GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START INSTRUMENT CLUSTER PRNDL INTERMEDIATE SHAFT SPEED (ISS) SENSOR (LEFT SIDE OF TRANS) LT BLU WIRE LT BLU/BLK WIRE LT BLU/ORG WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP (MIL) NCA WIRE OD OFF ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED (OSS) SENSOR (LEFT REAR OF TRANS) PCM POWER DIODE PNK/BLK WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE RED WIRE RED/BLK WIRE RED/LT GRN WIRE RED/WHT WIRE RUN WIRE SHIFT SOLENOIDS SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) TAN WIRE TAN/ORG WIRE TAN/WHT WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION CONTROL SWITCH (TCS) TSS DLC DLC (-) DLC (+) GROUND SS A SS D TCS TFT TURBINE SHAFT SPEED (TSS) SENSOR TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR VIO WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/LT GRN WIRE

1 2 3 6 13 SS B MIL 2 10 13 DATA LINK CONNECTOR (AT BOTTOM OF STEERING COLUMN) 90 91 92 97 103 VREF SIG RTN BPP POWER GROUND ANTI-LOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION (LEFT SIDE OF TRANSMISSION) BACK-UP LAMPS BATTERY JUNCTION BOX (LEFT REAR SIDE OF ENGINE COMPT) BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ON BRAKE PEDAL SUPPORT) BRN WIRE BRN/ORG WIRE BRN/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID ENGINE CONTROLS SYSTEM FUSE 11 FUSE 20 FUSE 21 FUSE 32 FUSE 41 GROUND SS C TCC VBATT ISS GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START INSTRUMENT CLUSTER PRNDL INTERMEDIATE SHAFT SPEED (ISS) SENSOR (LEFT SIDE OF TRANS) LT BLU WIRE LT BLU/BLK WIRE LT BLU/ORG WIRE LT BLU/YEL WIRE LT GRN WIRE LT GRN/RED WIRE MALFUNCTION INDICATOR LAMP (MIL) NCA WIRE OD OFF ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE OUTPUT SHAFT SPEED (OSS) SENSOR (LEFT REAR OF TRANS) PCM POWER DIODE PNK/BLK WIRE PNK/LT BLU WIRE PNK/LT GRN WIRE POWER GROUND GROUND TCIL EPC OSS TP RED WIRE RED/LT GRN WIRE RUN WIRE SHIFT SOLENOIDS SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) TAN WIRE TAN/ORG WIRE TAN/WHT WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION CONTROL SWITCH (TCS) TSS DLC DLC (-) DLC (+) GROUND SS A SS D TCS TFT ECT TURBINE SHAFT SPEED (TSS) SENSOR TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR VIO WIRE VIO/ORG WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 B+ B+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 SIG RETURN GROUND A/T ANTI-LOCK BRAKES SYSTEM AUDIO UNIT BATTERY JUNCTION BOX (LEFT REAR SIDE OF ENGINE COMPT) FUSE 27 BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION SWITCH (BEHIND LEFT SIDE OF DASH, ON BRAKE PEDAL SUPPORT) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (AT BOTTOM OF STEERING COLUMN) DK GRN WIRE DK GRN/LT GRN WIRE FOUR WHEEL DRIVE SWITCH FOUR-WHEEL DRIVE CONTROL MODULE (BEHIND LEFT CENTER OF DASH) FUNCTION SELECT SWITCH ASSEMBLY, BLEND DOOR ACTUATOR FUSE 10 FUSE 21 FUSE 27 FUSE 28 FUSE 32 FUSE 7 GEARMOTOR ENCODER ASSEMBLY GROUND TRANSFER CASE IGN (RUN) GRY WIRE GRY/BLK WIRE GRY/YEL WIRE HEAD HOT AT ALL TIMES HOT IN HOT IN RUN OR START IGN (ST/RUN) ILLUM INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEM (DIMMER) ISO BUS LT BLU/BLK WIRE LT BLU/RED WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE M/T MAIN LIGHT SWITCH MOTOR 1 MOTOR 3 MOTOR 4 NEUTRAL SENS TRANSFER CASE MOTOR 5 BPP SWITCH OFF OFF PARK ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RED WIRE RED/LT GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) SPEED CONTROL SERVO, BODY COMPUTER VIO/YEL WIRE VSS INPUT MOTOR 2 WHT WIRE WHT/LT BLU WIRE YEL WIRE YEL/LT BLU WIRE YEL/WHT WIRE

A/T BLK WIRE BLK/WHT WIRE BREAK- OUT) BREAKOUT) BRN/LT BLU WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK FUEL CAP IND DK BLU/YEL WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE EGR STEPPER MOTOR (ON REAR OF ENGINE) FAIL- SAFE COOL IND FOUR WHEEL DRIVE CONTROL MODULE FUEL INJECTORS FUEL LEV SIG FUEL PUMP/ FUEL GAUGE SENSOR FUEL TANK PRESSURE TRANSDUCER SENSOR (AT FUEL TANK ASSEMBLY) FUSE 20 GRY/BLK WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HOT IN RUN INERTIA FUEL SHUT-OFF (IFS) SWITCH (IN RIGHT KICK PANEL) INSTRUMENT CLUSTER LOW CURRENT BOARD LT BLU WIRE LT BLU/ORG WIRE LT BLU/YEL WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE M/T MICROPROCESSOR NCA WIRE O/D OFF IND ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE PNK/BLK WIRE PNK/YEL WIRE RED WIRE RED/LT GRN WIRE RED/PNK WIRE SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) SPEED CONTROL SERVO (RIGHT REAR OF ENGINE COMPT) TACH SIG TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/RED WIRE TAN/WHT WIRE TAN/YEL WIRE TRANSMISSION CONTROL SWITCH (ON STEERING COLUMN) TRANSMISSIONS SYSTEM VIO WIRE VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/LT GRN WIRE YEL/BLU WIRE YEL/LT GRN WIRE YEL/RED WIRE YEL/WHT WIRE

A/C SYSTEM A/T AUTOMATIC TRANSMISSION BATTERY JUNCTION BOX (LEFT REAR OF ENGINE COMPT) FUSE 21 BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE PEDAL POSITION SWITCH (BPP) BRN WIRE BRN/LT BLU WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION (CMP) SENSOR (ON REAR OF ENGINE) CHT SENSOR CANISTER VENT VSS + A/C CLUTCH RLY DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID FUEL TANK PRESS MAP SENS TR SENSOR FUSE 32 GRY/BLK WIRE GRY/LT BLU WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES IDLE AIR CONTROL (IAC) VALVE (TOP RIGHT OF ENGINE) ISS SENS LT BLU WIRE LT BLU/ORG WIRE LT BLU/RED WIRE LT BLU/YEL WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE M/T MAF SENSOR TPS IN REF VOLTAGE SIG RETURN BPP SW ORG/BLK WIRE ORG/YEL WIRE PCM RLY POWER EGR STEP MOTOR EGR STEP MOTOR FUEL INJ 3 FUEL INJ 1 GND GND PCM RLY POWER EGR STEP MOTOR EGR STEP MOTOR FUEL INJ 4 FUEL INJ 2 PNK/BLK WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (RIGHT REAR OF ENGINE COMPT, THROUGH FIREWALL) RED WIRE RED/LT GRN WIRE RED/PNK WIRE RED/WHT WIRE SHIFT SOLENOIDS SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/RED WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TURBINE SHAFT SPEED SENSOR (TSS) VIO/ORG WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL/LT GRN WIRE YEL/RED WIRE

21 BREAKOUT) A/T BLK WIRE BLK/WHT WIRE BREAKOUT) BRN/LT BLU WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK FUEL CAP IND DK BLU/YEL WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE FOUR-WHEEL DRIVE CONTROL MODULE (BEHIND LEFT CENTER OF DASH) FUEL INJECTORS FUEL LEV SIG TACH SIG FUEL PUMP/ FUEL GAUGE SENSOR FUEL TANK PRESSURE TRANSDUCER SENSOR (AT FUEL TANK ASSEMBLY) FUSE 20 GRY/BLK WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR HOT IN RUN INERTIA FUEL SHUT-OFF (IFS) SWITCH (IN RIGHT KICK PANEL) INSTRUMENT CLUSTER LOW CURRENT BOARD LOW IND LT BLU/BLK WIRE LT BLU/ORG WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE M/T MICROPROCESSOR NCA WIRE O/D OFF IND ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE PNK/BLK WIRE PNK/YEL WIRE RED WIRE RED/BLK WIRE RED/LT GRN WIRE RED/PNK WIRE SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) SPEED CONTROL SERVO (RIGHT REAR OF ENGINE COMPT) TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/WHT WIRE TAN/YEL WIRE TRANSMISSION CONTROL SWITCH (ON STEERING COLUMN) TRANSMISSIONS SYSTEM VIO WIRE VIO/LT GRN WIRE VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/LT GRN WIRE YEL/RED WIRE YEL/WHT WIRE

A/C SYSTEM A/T AUTOMATIC TRANSMISSION BATTERY JUNCTION BOX (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE PEDAL POSITION SWITCH (BPP) BRN WIRE BRN/LT BLU WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION (CMP) SENSOR (ON TOP REAR OF ENGINE) DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID FUEL INJ 6 FUEL INJ 4 FUEL INJ 2 FUEL PRESSURE FUSE 21 FUSE 32 GRY/BLK WIRE GRY/LT BLU WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR HOT AT ALL TIMES LT BLU/ ORG WIRE LT BLU/ORG WIRE LT BLU/RED WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE M/T ORG/BLK WIRE ORG/YEL WIRE PNK/BLK WIRE PNK/YEL WIRE POSITIVE CRANKCASE VENTILATION HEATER POWERTRAIN CONTROL MODULE (PCM) (RIGHT REAR OF ENGINE COMPT, THROUGH FIREWALL) PWR GROUND RED WIRE RED/BLK WIRE RED/LT GRN WIRE RED/PNK WIRE RED/WHT WIRE SHIFT SOLENOIDS SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/YEL WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TURBINE SHAFT SPEED (TSS) SENSOR VIO/LT GRN WIRE VIO/ORG WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL/LT BLU WIRE YEL/RED WIRE

BLK WIRE BLK/WHT WIRE BREAKOUT) BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK FUEL CAP IND DK BLU/YEL WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE EVAP EMISSIONS CANISTER VENT VALVE (AT FUEL TANK) FOUR WHEEL DRIVE CONTROL MODULE (IN RIGHT KICK PANEL) FUEL INJECTORS FUEL LEV SIG TACH SIG FUEL PUMP/ FUEL GAUGE SENSOR FUEL TANK PRESSURE TRANSDUCER SENSOR (AT FUEL TANK ASSEMBLY) FUSE 20 GRY/BLK WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR HOT IN RUN IGNITION TRANSFORM CAPACITOR INERTIA FUEL SHUT-OFF (IFS) SWITCH (IN RIGHT KICK PANEL) INSTRUMENT CLUSTER LOW CURRENT BOARD LOW IND LT BLU/BLK WIRE LT BLU/ORG WIRE LT BLU/YEL WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE MICROPROCESSOR NCA WIRE O/D OFF IND ORG/ WIRE ORG/BLK WIRE ORG/YEL WIRE PNK/BLK WIRE PNK/YEL WIRE RED WIRE RED/LT GRN WIRE RED/PNK WIRE SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) SPEED CONTROL SERVO (RIGHT REAR OF ENGINE COMPT) TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/WHT WIRE TAN/YEL TAN/YEL WIRE TAN/YEL WIRE TRANSMISSION CONTROL SWITCH (ON STEERING COLUMN) TRANSMISSIONS SYSTEM VIO WIRE VIO/LT GRN WIRE VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/LT GRN WIRE YEL/RED WIRE YEL/WHT WIRE

11 BREAKOUT) A/C SYSTEM AUTOMATIC TRANSMISSION BATTERY JUNCTION BOX (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/LT GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRAKE PEDAL POSITION SWITCH (BPP) BRN WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION (CMP) SENSOR (ON TOP REAR OF ENGINE) DK BLU/ORG WIRE DK BLU/YEL WIRE DK GRN/WHT WIRE ELECTRONIC PRESSURE CONTROL (EPC) SOLENOID FUEL INJ 6 FUEL INJ 4 FUEL INJ 2 FUEL PRESSURE FUSE 21 FUSE 32 GRY/BLK WIRE GRY/LT BLU WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HEATED OXYGEN SENSOR HOT AT ALL TIMES IDLE AIR CONTROL (IAC) VALVE (ON TOP LEFT REAR OF ENGINE) LT BLU/ORG WIRE LT BLU/RED WIRE LT BLU/YEL WIRE LT GRN/BLK WIRE LT GRN/ORG WIRE ORG/BLK WIRE ORG/YEL WIRE PNK/BLK WIRE PNK/YEL WIRE POWERTRAIN CONTROL MODULE (PCM) (RIGHT REAR OF ENGINE COMPT, THROUGH FIREWALL) RED WIRE RED/BLK WIRE RED/LT GRN WIRE RED/PNK WIRE RED/WHT WIRE SHIFT SOLENOIDS SMART JUNCTION BOX (BEHIND RIGHT SIDE OF DASH) TAN WIRE TAN/BLK WIRE TAN/LT BLU WIRE TAN/LT GRN WIRE TAN/YEL WIRE TORQUE CONVERTER CLUTCH (TCC) SOLENOID TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR TURBINE SHAFT SPEED (TSS) SENSOR VIO/LT GRN WIRE VIO/ORG WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/YEL WIRE YEL/LT BLU WIRE YEL/RED WIRE