Mercedes-Benz E-class W124/S124/C124/A124 (1992-1997) nca Wiring diagrams

ABS WARNING INDICATOR ABS/ASR CONTROL UNIT (RIGHT SIDE OF COMPONENT COMPARTMENT, BEHIND BATTERY) ABS/ASR HYDRAULIC UNIT (LEFT FRONT CORNER OF ENGINE COMPARTMENT) ASR CHARGING PUMP (ON BRAKE BOOSTER) ASR FUNCTION INDICATOR ASR WARNING INDICATOR BLK WIRE BLK/RED WIRE BLK/VIO/YEL WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/GRN WIRE BLU WIRE BLU/RED WIRE BRAIDED BRN WIRE BRN/GRN WIRE BRN/YEL WIRE CHARGING SYSTEM FUSE/ RELAY BOX (LEFT SIDE OF COMPONENT COMPARTMENT) FUSE 5 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN PARK OR HEAD IGNITION SWITCH INSTRUMENT CLUSTER LEFT REAR REAR SPEED LEFT FRONT WHEEL SPEED LF SOL VALVE LR SOL VALVE NCA WIRE OFF OVERVOLTAGE PROTECTION FUSE OVERVOLTAGE PROTECTION RELAY (RIGHT SIDE OF COMPONENT COMPARTMENT) PNK WIRE PNK/RED WIRE PRESSURE SWITCH RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RETURN PUMP RETURN/ PRESSURE PUMP RELAY RF SOL VALVE RIGHT REAR WHEEL SPEED RIGHT FRONT WHEEL SPEED RR SOL VALVE RUN WIRE SENSOR SENSOR SNOW CHAIN LOGIC SWITCH W/ INDICATOR (CENTER CONSOLE, ABOVE RADIO) SOLENOID VALVE RELAY STOP LIGHT SWITCH (TOP OF BRAKE PEDAL SUPPORT) SWITCHOVER SOL VALVE TERMINAL BLOCK (CENTER OF DASH, BELOW RADIO) TERMINAL BLOCK (RIGHT SIDE OF COMPONENT COMPARTMENT) TERMINAL BLOCK (TOP OF DRIVER'S FOOTWELL, FORWARD OF PARKING BRAKE LEVER) WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/PNK WIRE YEL/RED WIRE YEL/WHT WIRE

ABS CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ABS HYDRAULIC UNIT (LEFT FRONT CORNER OF ENGINE COMPARTMENT) ABS WARNING IND BASE MODULE (RIGHT SIDE OF COMPONENT COMPARTMENT, IN MODULE BOX) BLK WIRE BLK/GRN/VIO WIRE BLK/RED/WHT WIRE BLK/YEL/RED WIRE BLU WIRE BRN WIRE BRN/YEL WIRE CHARGING SYSTEM COMPUTER DATA LINES SYSTEM COPPER BRAID CRUISE CONTROL AMPLIFIER CRUISE CONTROL SWITCH DIAGNOSTICS BRAKE LIGHT SW DIFFERENTIAL REAR SPEED EXTERIOR LAMP FAILURE MONITORING UNIT FUSE 5 FUSE 7 FUSE/ RELAY BOX (LEFT SIDE OF COMPONENT COMPARTMENT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND VLV RELAY STATUS HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED LF SOL VALVE LF SPD SNSR GRD RF SPD SNSR RLY POWER LF SPD SNSR RF SPD SNSR GRD PUMP RLY CTRL SOL VLV RLY CTRL PUMP ON INPUT NCA WIRE PNK WIRE POWER INPUT PUMP MOTOR RELAY REAR AXLE SOL VALVE REAR SPD SNSR RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RETURN PUMP RF SOL VALVE RF VLV CTRL GRD LF VLV CTRL RIGHT FRONT WHEEL SPEED RR AXLE VLV CTRL RR SPD SNSR GRD SENSOR SOLENOID VALVE RELAY STOP LIGHT SWITCH (TOP OF BRAKE PEDAL SUPPORT) TERMINAL BLOCK (RIGHT SIDE OF COMPONENT COMPARTMENT) TEST CONNECTION FOR DIAGNOSIS (RIGHT REAR OF ENGINE COMPARTMENT) VIO WIRE WHT WIRE WHT/PNK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

ANTILOCK BRAKE SYSTEM CONTROL MODULE (ON RIGHT REAR OF ENGINE COMPT) ANTILOCK BRAKE SYSTEM HYDRAULIC UNIT BATTERY BLU/YEL WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE CHECK ENGINE LIGHT DATA LINK CONNECTOR DIAGNOSTIC MODULE (BEHIND DASH) EA/CC/ICS CONTROL MODULE/ CC/ICS CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES FUSE, RELAY BOX (ON LEFT REAR CORNER OF ENGINE COMPT) FUSE 9 INSTRU- MENT CLUSTER INTAKE-MANIFOLD PRESSURE SENSOR NCA WIRE OVERVOLTAGE PROTECTION RELAY MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BRN WIRE COMPONENT COMPARTMENT) FUSE 7 FUSE/RELAY BOX (LEFT SIDE OF HEATED CHECK VALVE (LEFT SIDE OF HOOD) HEATED WINDSHIELD WASHER PUMP HOSE HOT IN RUN OR START LEFT HEATED WINDSHIELD WASHER NOZZLE LEFT HEATED WINDSHIELD WASHER NOZZLE HOSE NCA WIRE RIGHT HEATED WINDSHIELD WASHER NOZZLE RIGHT HEATED WINDSHIELD WASHER NOZZLE HOSE

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CONNECTOR BLOCK (BEHIND DRIVER'S LEFT KICK PANEL) FRONT SEAT HEATER CONTROL UNIT (UNDER LEFT SIDE OF REAR SEAT) GRN WIRE GRN/WHT WIRE GRY/BLU WIRE HI LO HOT AT ALL TIMES AUXILIARY FUSE HOLDER (LEFT REAR OF ENGINE COMPT) LEFT FRONT BACKREST HEATER LEFT FRONT SEAT HEATER LEFT FRONT SEAT HEATER SWITCH NCA WIRE OFF RED WIRE RED/WHT WIRE RIGHT FRONT BACKREST HEATER RIGHT FRONT SEAT HEATER RIGHT FRONT SEAT HEATER SWITCH SOLDER JOINT, IN HARNESS VIO WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE

AUXILIARY FUSE HOLDER, BLOWER MOTOR BLK/GRN WIRE BLK/RED (OR BLK/PNK) WIRE BLK/RED WIRE BLK/RED/VIO WIRE BLK/VIO WIRE BLK/YEL WIRE BLOWER MOTOR FROM TERMINAL BLOCK (DIAGRAM 1 OF 2) FUSE 1 FUSE 2 FUSE 5 FUSE 6 FUSE 7 FUSE B (+) FUSE/ RELAY BOX GRN/WHT WIRE IGNITION SWITCH NCA WIRE OFF PNK/GRN WIRE PNK/RED WIRE PNK/YEL WIRE RED WIRE RUN WIRE SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT TO COMBINATION SWITCH (DIAGRAM 1 OF 2) TO EXTERIOR LAMP SWITCH (DIAGRAM 1 OF 2) TO FUSE A (DIAGRAM 1 OF 2) VIO WIRE

1-8 9 10 ANTENNA AUTOMATIC ANTENNA BLK WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CD CHANGER CTEL TRANSMITTER/ RECEIVER (W/ CTEL ONLY) FUSE FUSE 3 FUSE 9 FUSE C FUSE/ RELAY BOX GRY WIRE GRY/BLK WIRE GRY/RED WIRE HALL-EFFECT SENSOR MULTIPOINT CONNECTOR HALL-EFFECT SPEED SENSOR HOT AT ALL TIMES HOT IN ACC, RUN OR START LEFT FRONT DOOR SPEAKER LEFT FRONT SPEAKER LEFT REAR SPEAKER GROUP LEFT SPEAKERS AUDIO POWER AMPLIFIER NCA WIRE RADIO RED WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT SPEAKER RIGHT REAR SPEAKER GROUP RIGHT SPEAKERS AUDIO POWER AMPLIFIER WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

1-8 9 10 ANTENNA AUTOMATIC ANTENNA BLK WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CD CHANGER CTEL TRANSMITTER/ RECEIVER (W/ CTEL ONLY) FUSE FUSE 3 FUSE 9 FUSE C FUSE/ RELAY BOX GRY WIRE GRY/RED WIRE HALL-EFFECT SENSOR MULTIPOINT CONNECTOR HALL-EFFECT SPEED SENSOR HOT AT ALL TIMES HOT IN ACC, RUN OR START LEFT FRONT DOOR SPEAKER LEFT FRONT SPEAKER LEFT REAR SPEAKER LEFT/RIGHT AUDIO POWER AMPLIFIER NCA WIRE RADIO RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT SPEAKER RIGHT REAR SPEAKER WHT WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

100 OHM AIR BAG SQUIB SLIP RING AIR BAG TEST CONNECTOR (RIGHT KICK PANEL) BLK WIRE BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE DIAGNOSTIC CONNECTOR (LEFT REAR OF ENGINE COMPT) DRIVER AIR BAG SQUIB FUSE 2 FUSE/ RELAY BOX GRN WIRE HOT IN ACC, RUN OR START INSTRUMENT CLUSTER LEFT FRONT ETR SQUIB LEFT FRONT SEAT BELT BUCKLE SWITCH NCA WIRE PASSENGER AIR BAG SQUIB 1 PASSENGER AIR BAG SQUIB 2 PNK WIRE PNK/YEL WIRE RIGHT FRONT ETR SQUIB RIGHT FRONT SEAT BELT BUCKLE SWITCH SRS IND SUPPLEMENTAL RESTRAINT SYSTEM CONTROL UNIT VIO WIRE YEL WIRE

BLK/RED/VIO WIRE BRN WIRE BRN/GRY WIRE BRN/GRY/RED WIRE CONVENIENCE RELAY DOME/READING LAMPS DRIVER'S SEAT BELT SWITCH (IN DRIVER'S SEAT BELT BUCKLE) EXTERIOR LAMP FAILURE MONITORING UNIT (FUSE/RELAY BOX) EXTERIOR LAMP SWITCH (PIN 4) FUSE 5 FUSE/ RELAY BOX FUSE 9 GRN WIRE GRN/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT DOOR SWITCH NCA WIRE POWER SEATS SYSTEM RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR SWITCH SEAT BELT IND WARNING BUZZER SWITCH (PART OF IGNITION SWITCH) WARNING MODULE (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER)