Mazda 626 GD (1987-1996) joint box Wiring diagrams

BLK WIRE BLU WIRE BLU/RED WIRE CENTRAL PROCESSING UNIT (CPU) GRN WIRE HOT AT ALL TIMES IGNITION KEY ILLUMINATION INTERIOR LIGHT (626) INTERIOR LIGHT) JOINT BOX LEFT FRONT COURTESY LIGHT LEFT FRONT DOOR SWITCH LEFT REAR COURTESY LIGHT (626 ONLY) LEFT REAR DOOR SWITCH (626 ONLY) LEFT VANITY MIRROR LIGHT (626 ONLY) OFF OFF DOOR OUTER DOOR HANDLE SWITCH RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT COURTESY LIGHT RIGHT FRONT DOOR SWITCH RIGHT REAR COURTESY LIGHT (626 ONLY) RIGHT REAR DOOR SWITCH (626 ONLY) RIGHT VANITY MIRROR LIGHT (626 ONLY) ROOM FUSE SPOT LIGHTS (626 W/ SLIDING SUNROOF) SPOT LIGHTS (W/O SLIDING SUNROOF) SPOT- LIGHTS TRUNK COMPARTMENT LIGHT TRUNK COMPARTMENT LIGHT SWITCH WHT WIRE YEL WIRE

A/T M/T ANTI- THEFT SYSTEM (CPU) BACK-UP LIGHT SWITCH (M/T) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/WHT WIRE FLASHER UNIT FLASHER UNIT (LEFT SIDE OF I/P) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HAZARD SWITCH HEAD HIGH MOUNT STOPLIGHT HOT AT ALL TIMES HOT AT ALL TIMES HAZARD FUSE HOT AT ALL TIMES TAIL FUSE HOT IN RUN AND START HOT IN RUN AND START METER FUSE INSTRUMENT CLUSTER JOINT BOX LEFT BACK-UP LIGHT LEFT FRONT SIDE MARKER LIGHT LEFT FRONT PARK LIGHT LEFT FRONT TURN/ HAZARD LIGHT LEFT LICENSE LIGHT LEFT OUTBOARD STOPLIGHT (626 ONLY) LEFT OUTBOARD TAILLIGHT (626 ONLY) RIGHT LICENSE LIGHT LEFT REAR SIDE MARKER LIGHT LEFT REAR TURN/ HAZARD LIGHT LEFT STOPLIGHT LEFT TAILLIGHT LEFT TURN IND LIGHT SWITCH M/T A/T MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) NCA WIRE OFF ORG/ WIRE RED WIRE RED/YEL WIRE RIGHT BACK-UP LIGHT RIGHT FRONT SIDE MARKER LIGHT RIGHT FRONT TURN/ HAZARD LIGHT RIGHT FRONT PARK LIGHT RIGHT OUTBOARD STOPLIGHT (626 ONLY) RIGHT STOPLIGHT RIGHT OUTBOARD TAILLIGHT (626 ONLY) RIGHT REAR SIDE MARKER LIGHT RIGHT REAR TURN/ HAZARD LIGHT RIGHT TAILLIGHT RIGHT TURN IND STOP FUSE STOP LIGHT SWITCH (LEFT SIDE OF I/P) TNS TNS RELAY (MAIN FUSE BLOCK) TRANSMISSION RANGE SENSOR (A/T) TURN FUSE TURN SWITCH W/ ANTI- THEFT WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

AIR CONDITIONING SYSTEM (A/C RELAY) BEAM IND BLK WIRE BLU WIRE DRL CONTROL UNIT (LEFT SIDE OF I/P) DRL RELAY (MAIN FUSE BLOCK) DRL RESISTOR (BEHIND LEFT HEADLIGHT) ENGINE CONTROL SYSTEM (POWERTRAIN CONTROL MODULE) EXTERIOR LIGHTS SYSTEM (TNS RELAY) FOG LIGHTS FRONT FOG LIGHT SWITCH GRN WIRE HEAD FUSE HEADLIGHT HIGH RELAY (MAIN FUSE BLOCK) HEADLIGHT RELAY (RIGHT FRONT CORNER OF ENGINE COMPARTMENT) HOT AT ALL TIMES HOT IN RUN AND START HOT IN RUN WIPER FUSE INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (BRAKE INDICATOR) JOINT BOX JOINT BOX METER FUSE LEFT HEADLIGHT LIGHT SWITCH MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPART- MENT) FOG FUSE MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) PARK OFF HEAD PARKING BRAKE SWITCH (BOTTOM OF PARKING BRAKE LEVER) PNK LEFT FRONT FOG LIGHT WIRE PNK RIGHT FRONT FOG LIGHT WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEADLIGHT WHT (OR RED/BLK) WIRE WHT WIRE YEL WIRE YEL/RED WIRE

BEAM IND BLK WIRE CENTRAL PROCESSING UNIT (CPU) (JOINT BOX) ENGINE CONTROL SYSTEM (POWERTRAIN CONTROL MODULE) EXTERIOR LIGHTS SYSTEM (TNS RELAY) FOG LIGHTS FRONT FOG LIGHT SWITCH GRN WIRE HEAD FUSE HEADLIGHT RELAY (RIGHT FRONT CORNER OF ENGINE COMPARTMENT) HI LO HOT AT ALL TIMES HOT IN RUN AND START METER FUSE INSTRUMENT CLUSTER JOINT BOX LEFT FRONT FOG LIGHT LEFT HEADLIGHT LIGHT SWITCH MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPART- MENT) FOG FUSE MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) PARK OFF HEAD PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT FOG LIGHT RIGHT HEADLIGHT W/ THEFT DETERRENT ONLY WHT (OR RED/BLK) WIRE WHT WIRE WHT/RED WIRE YEL WIRE

AIR BAG IND ANTI-LOCK BRAKES SYSTEM (ABS CONTROL UNIT) BEAM IND BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE IND BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CENTRAL PROCESSING UNIT (CPU) CHARGE IND CHECK IND CONN 1 CONN 2 CONN 3 CRUISE CONTROL SYSTEM (CRUISE CONTROL MODULE) CRUISE CONTROL SYSTEM (CRUISE CONTROL UNIT) CRUISE IND DOOR IND ENGINE CONTROL SYSTEM (IGNITION COIL) (A/T) (DISTRIBUTOR) (M/T, KL) ENGINE CONTROL SYSTEM (PCM) EXTERIOR LIGHTS SYSTEM (FLASHER UNIT) EXTERIOR LIGHTS SYSTEM (LIGHT SWITCH) FUEL GAUGE FUEL IND GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE HEADLIGHTS SYSTEM (DAYTIME RUNNING LIGHTS CONTROL UNIT) HOLD IND HOT AT ALL TIMES HOT IN RUN AND START ILLUM (3 USED) IND INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEM (PANEL LIGHT CONTROL SWITCH) JOINT BOX LEFT TURN IND LOW FUEL INDICATOR CIRCUIT LT GRN WIRE METER FUSE OIL IND ORG/ WIRE REAR DEFOG IND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT TURN IND ROOM FUSE SEAT BELT IND SECURITY IND SPEEDOMETER STARTING/CHARGING SYSTEM (ALTERNATOR) SUPPLEMENTAL RESTRAINT SYSTEM (DIAGNOSTIC MODULE) TACHOMETER TEMPERATURE GAUGE USA CANADA W/ THEFT- DETERRENT SYSTEM WASHER IND WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

ASHTRAY ILLUMINATION AUDIO UNIT BLK WIRE BLU WIRE BRN WIRE CENTRAL PROCESSING UNIT (CPU) CIGARETTE LIGHTER ILLUMINATION CRUISE CONTROL MAIN SWITCH ILLUMINATION EXTERIOR LIGHTS SYSTEM (PARK LIGHT SWITCH) EXTERIOR LIGHTS SYSTEM (PARK LIGHTS) FRONT FOG LIGHT SWITCH ILLUMINATION GRN WIRE GRN/YEL WIRE GRY WIRE HAZARD SWITCH ILLUMINATION HEATER CONTROL ILLUMINATION HOT AT ALL TIMES TAIL FUSE INSTRUMENT CLUSTER ILLUMINATION (4 USED) INTERIOR LIGHTS SYSTEM (COURTESY LIGHTS) (GLOVE COMPARTMENT LIGHT) JOINT BOX JOINT CONNECTOR (LEFT SIDE OF I/P) MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) ORG/ WIRE OSCILLATOR PANEL LIGHT CONTROL SWITCH REAR WINDOW DEFROSTER SWITCH ILLUMINATION RED/BLK WIRE SELECTOR ILLUMINATION (A/T) TNS RELAY (MAIN FUSE BLOCK) WHT WIRE WHT/BLU WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE C-01 CJB-03 EGR FUNCTION SENSOR (CENTER REAR OF ENGINE COMPT) EGR SOLENOID VALVE (RIGHT REAR OF ENGINE COMPARTMENT) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF ENGINE COMPT) FUEL PUMP FUEL PUMP RELAY FUEL TANK UNIT GRN/BLU WIRE GRY/BLU WIRE GRY/RED WIRE HEATED OXYGEN SENSOR (LOWER RIGHT SIDE OF ENGINE, ON EXHAUST PIPE) HOLD SWITCH (CENTER CONSOLE) HOT IN RUN HOT IN START OR RUN IDLE AIR CONTROL SOLENOID VALVE (LEFT REAR OF ENGINE COMPARTMENT) INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR (LEFT FRONT OF ENGINE COMPT) JOINT BOX JOINT CONNECTOR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) MALFUNCTION INDICATOR (CHECK ENGINE) MASS AIR FLOW SENSOR (LEFT REAR OF ENGINE COMPT) METER FUSE 8 NCA WIRE ORG/GRN WIRE PNK/BLK WIRE PNK/BLU WIRE POWER STEERING PRESSURE SWITCH (RIGHT FRONT OF ENGINE COMPARTMENT) PRC SOLENOID VALVE (RIGHT REAR OF ENGINE COMPARTMENT) PURGE SOLENOID VALVE (RIGHT REAR OF ENGINE COMPARTMENT) RED WIRE RED/BLK WIRE RED/GRN WIRE THROTTLE POSITION SENSOR (TOP REAR OF ENGINE) VEHICLE SPEEDOMETER SENSOR (REAR OF ENGINE COMPARTMENT) VIO/RED WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE WIPER FUSE 13 YEL WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CENTRAL PROCESSING UNIT INSTRUMENT CLUSTER CJB-01 CJB-02 CJB-03 DATA LINK CONNECTOR (NEAR MAIN FUSE BLOCK) DISTRIBUTOR DRL RELAY A/C RELAY EGI INJ FUSE ENGINE FUSE 10 FUEL INJECTORS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE HEADLIGHT RELAY HOT AT ALL TIMES HOT IN START OR RUN IDLE SWITCH (CENTER REAR OF ENGINE COMPARTMENT) IGNITION SWITCH INSTRUMENT CLUSTER (TACHOMETER) JOINT BOX JOINT CONNECTOR LOCK OFF LT GRN WIRE LT GRN/RED WIRE MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) ORG/ WIRE PCM POWER RELAY PNK/GRN WIRE POWER STEERING PRESSURE SWITCH (RIGHT FRONT OF ENGINE COMPARTMENT) POWERTRAIN CONTROL MODULE (BELOW CENTER CONSOLE) RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE REFRIGERANT PRESSURE SWITCH BLOWER SWITCH COOLING FAN RELAY NO. 1 ROOM FUSE 2 RUN WIRE STARTER STARTER INTERRUPT RELAY STOP FUSE 1 STOPLIGHT SWITCH (ON BRAKE PEDAL SUPPORT) VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WITH THEFT- DETERRENT SYSTEM YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLK/BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE C-01 CJB-03 CLUTCH PEDAL SWITCH (ON CLUTCH PEDAL SUPPORT) CRUISE CONTROL UNIT EGR FUNCTION SENSOR (CENTER REAR OF ENGINE COMPT) (CALIFORNIA) EGR SOLENOID VALVE (RIGHT REAR OF ENGINE COMPARTMENT) (CALIFORNIA) EGR SOLENOID VALVE (RIGHT REAR OF ENGINE COMPARTMENT) (FEDERAL) EGR TEMPERATURE SENSOR (RIGHT REAR OF ENGINE COMPT) (FEDERAL) ENGINE COOLANT TEMPERATURE SENSOR (LEFT SIDE OF ENGINE) FEDERAL FUEL PUMP FUEL PUMP RELAY FUEL TANK UNIT GRN/BLU WIRE GRN/YEL WIRE GRY/RED WIRE HEATED OXYGEN SENSOR (LOWER RIGHT SIDE OF ENGINE, ON EXHAUST PIPE) HOT IN RUN HOT IN START OR RUN IDLE AIR CONTROL SOLENOID VALVE (LEFT REAR OF ENGINE COMPARTMENT) INSTRUMENT CLUSTER INTAKE AIR TEMPERATURE SENSOR (LEFT SIDE OF ENGINE) JOINT BOX JOINT CONNECTOR LT GRN WIRE MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) MALFUNCTION INDICATOR (CHECK ENGINE) MASS AIR FLOW SENSOR (LEFT REAR OF ENGINE COMPT) METER FUSE 8 NCA WIRE PNK/GRN WIRE PRC SOLENOID VALVE (RIGHT REAR OF ENGINE COMPARTMENT) PURGE SOLENOID VALVE (RIGHT REAR OF ENGINE COMPARTMENT) RED WIRE RED/BLK WIRE THROTTLE POSITION SENSOR CENTER REAR OF ENGINE) VIO/RED WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/YEL WIRE WIPER FUSE 13 WITH CRUISE CONTROL YEL WIRE YEL/BLU WIRE

ALU BLK WIRE BLK/BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE C-01 CANISTER PURGE SOLENOID VALVE (RIGHT REAR OF ENGINE COMPT) CJB-03 CLUTCH PEDAL POSITION SWITCH (ON CLUTCH PEDAL SUPPORT) DATA LINK CONNECTOR (LEFT SIDE OF ENGINE) EGR SOLENOID VALVE-VACUUM (RIGHT REAR OF ENGINE COMPT) EGR SOLENOID VALVE-VENT (RIGHT REAR OF ENGINE COMPT) EGR VALVE POSITION SENSOR (CENTER REAR OF ENGINE) ENGINE COOLANT TEMPERATURE SENSOR (RIGHT SIDE OF ENGINE) FPRC SOLENOID VALVE (LEFT SIDE OF ENGINE) FUEL PUMP FUEL PUMP RELAY FUEL TANK UNIT GRN WIRE GRN/BLU WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT IN START OR RUN IDLE AIR CONTROL SOLENOID VALVE (LEFT SIDE OF ENGINE) INSTRUMENT CLUSTER C-01 JOINT BOX KNOCK SENSOR (LEFT REAR OF ENGINE) LEFT HEATED OXYGEN SENSOR (LOWER LEFT SIDE OF ENGINE, ON EXHAUST PIPE) LT GRN WIRE M/T A/T MAIN FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) MALFUNCTION INDICATOR (CHECK ENGINE) METER FUSE 8 NCA WIRE NEUTRAL POSITION SWITCH (LEFT SIDE OF ENGINE) PNK/BLK WIRE PNK/GRN WIRE POWERTRAIN CONTROL MODULE (TRANSAXLE) (BELOW CENTER OF I/P) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT HEATED OXYGEN SENSOR (LOWER RIGHT SIDE OF ENGINE, ON EXHAUST PIPE) THROTTLE POSITION SENSOR (FRONT TOP LEFT OF ENGINE) VOLUMN AIR FLOW SENSOR (LEFT SIDE OF ENGINE) VRIS SOLENOID VALVE NO. 1 (RIGHT REAR OF ENGINE COMPT) VRIS SOLENOID VALVE NO. 2 (RIGHT REAR OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE