Mercedes-Benz S-class W140 facelift (1994-1999) nca Wiring diagrams

12/1 12/2 14/1 14/3 20/2 36/2 5.1 ALTERNATOR BLK WIRE BLK/RED/YEL WIRE BLU WIRE BRN WIRE COMBINATION SWITCH COUPE DAYTIME RUNNING LAMP CONTROL MODULE (BEHIND CENTER OF DASH) EXTERIOR LAMP FAILURE MONITORING UNIT (LEFT REAR OF ENG COMPT) EXTERIOR LAMP SWITCH FOG LAMP SWITCH FUSE 11 7.5 FUSE 14 FUSE 12 FUSE 13 FUSE 15 FUSE 6 FUSE 8 FUSE 9 FUSE 10 FUSE 26 FUSE BOX FUSE BOX FUSE 24 GRN WIRE GRY WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL/GRN WIRE HEAD HI FLASH HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH HOT IN ACCY, RUN, OR START HOT IN RUN OR START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEADLAMP UNIT LEFT RIGHT HEADLAMP HEADLAMP UNIT UNIT LEFT TAILLAMP UNIT LEFT TAILLAMP UNIT RIGHT TAILLAMP UNIT LOCK MAXI FUSE BOX NCA WIRE NSE OFF PARK OFF RH PARK OFF RH PARK HEAD LH OFF RH PARK LH HEAD RED WIRE RH LH RIGHT HEADLAMP UNIT RIGHT TAILLAMP UNIT RUN WIRE SEDAN SEPARATION RELAY MODULE TAIL/ PARK TAIL/ PARK TAIL/ PARK VIO WIRE VIO/WHT WIRE W/ XENON LAMPS W/O XENON LAMPS WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/RED WIRE YEL/WHT WIRE

12/1 12/2 14/2 14/3 14/1 20/2 5.1 BLK WIRE BRN WIRE COMBINATION SWITCH EXTERIOR LAMP FAILURE MONITORING UNIT (LEFT REAR OF ENGINE COMPARTMENT) EXTERIOR LAMP SWITCH FOG LAMP FOG LAMP HIGH LOW FOG LAMP SWITCH FUSE 12 FUSE 11 FUSE 13 FUSE 14 FUSE 15 FUSE 26 FUSE 8 FUSE 9 FUSE 10 FUSE BOX GRN WIRE GRN/WHT WIRE GRY WIRE HEAD HEAD- LAMP HIGH BEAM INDICATOR HIGH LOW HOT AT ALL TIMES HOT IN ACCY, RUN, OR START INSTRUMENT CLUSTER LEFT HEADLAMP UNIT LO HI FLASH NCA WIRE NSE OFF PARK OFF PARK HEAD OFF RH PARK LH HEAD RED WIRE RH LH RIGHT HEADLAMP UNIT HEAD- LAMP WHT WIRE YEL WIRE

11/1 12/2 14/3 14/1 14/2 20/2 5/1 12/1 4/1 ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE COMBINATION SWITCH LO DATA LINK CONNECTOR (DTC READOUT) (RIGHT SIDE OF ENGINE COMPT) EXTERIOR LAMP FAILURE MONITORING UNIT (LEFT REAR OF ENGINE COMPARTMENT) EXTERIOR LAMP SWITCH FOG LAMP SWITCH FRONT AXLE SENSOR FUSE 11 FUSE 13 FUSE 14 FUSE 12 FUSE 15 FUSE 26 FUSE 4 FUSE 8 FUSE 7 FUSE 9 FUSE 10 FUSE BOX GRN WIRE GRN/VIO WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEAD HEADLAMP RANGE ADJUSTMENT CONTROL MODULE HI FLASH HIGH BEAM LAMP HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN RUN OR START INSTRUMENT CLUSTER HIGH BEAM INDICATOR LAMP LEFT FOG LAMP LEFT HEADLAMP UNIT LOW BEAM XENON LAMP NCA WIRE NSE OFF OFF PARK OFF RH PARK LH HEAD ORG/ WIRE REAR AXLE SENSOR REAR FUSE BOX RED WIRE RED/YEL WIRE RH PARK LH HEAD RIGHT FOG LAMP RIGHT HEADLAMP UNIT STANDING/ PARKING LAMP STANDING/ PARKING LAMP HIGH BEAM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

37/2 BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLK/YEL/PNK WIRE BRN WIRE FANFARE HORN FANFARE HORN FANFARE HORN FANFARE HORN SWITCH FANFARE HORNS RELAY MODULE HORN/ AIRBAG CLOCKSPRING CONTACT HOT IN RUN OR START FUSE BOX FUSE 25 NCA WIRE PNK PNK WIRE PNK WIRE SEDAN, COUPE YEL WIRE

22/3 36/2 A/C SYSTEM INTERIOR LIGHTS SYSTEM ABS IND. ADS IND ANTI-LOCK BRAKE SYSTEM INTERIOR LIGHTS SYSTEM ASR/ESP IND ASR/ESP WARNING IND BLK/GRN WIRE BLK/GRY/RED WIRE BLK/VIO/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKE IND BRAKE PAD WEAR IND BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CHECK ENGINE/ PREGLOW IND COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DTC READOUT) (RIGHT SIDE OF ENGINE COMPT) ELECTRONIC CLOCK ELECTRONIC SPEEDOMETER/ MAIN ODOMETER ELECTRONIC SUSPENSION SYSTEM ENGINE COOLANT TEMP. GAUGE ENGINE OIL LEVEL IND ENGINE OIL PRESSURE GAUGE EXTERIOR LAMP FAILURE IND EXTERIOR LIGHTS SYSTEM A/C SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUEL CONSUMPTION INDICATOR FUEL LEVEL GAUGE FUEL LEVEL SENSOR FUEL RESERVE IND FUSE 15 FUSE 17 FUSE 24 FUSE BOX GENERATOR IND GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/VIO WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN AND START HOT IN RUN OR START INSTRUMENT CLUSTER LEFT TURN SIGNAL IND LOCK LOW ECL IND LOW WASHER FLUID IND NCA WIRE OIL PRESSURE SENSOR OUTSIDE TEMPERATURE INDICATOR OUTSIDE TEMPERATURE INDICATOR SENSOR PASSIVE RESTRAINTS SYSTEM PNK/BLU WIRE PNK/YEL WIRE RED/WHT WIRE RHEOSTAT ILLUMINATION (4 BULBS) RIGHT TURN SIGNAL IND RUN WIRE SEAT BELT REMINDER IND SRS IND STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TACHOMETER TERMINAL BLOCK WARNING BUZZER WHT/BLK WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH YEL WIRE

AIR DISTRIBUTION SWITCH BLU WIRE BRN WIRE CD CHANGER CENTER AIR OUTLET CONTROLS COMFORT, SPORT SWITCH DOME LAMP W/ SHUT- OFF, READING LAMP EXTERIOR LAMP SWITCH FRONT CIGAR LIGHTER W/ ASHTRAY ILLUMINATION FUSE BOX FUSE 9 GLOVE COMPARTMENT LOCK GRY WIRE GRY/BLU WIRE GRY/RED WIRE HAZARD FLASHER SWITCH HEAD HOT AT ALL TIMES HOT IN OFF, ACCY INSTRUMENT CLUSTER LEFT REAR CIGAR LIGHTER (SEDAN) LH HEAD NCA WIRE OFF PARK RH OFF RH OUTSIDE REARVIEW MIRROR SWITCH PARK RADIO REAR A/C PUSHBUTTON CONTROL MODULE REAR AIR OUTLET REAR CIGAR LIGHTER (COUPE) REAR HEAD RESTRAINT SWITCH RHEOSTAT RIGHT REAR CIGAR LIGHTER (SEDAN) SEAT BELT EXTENDER SWITCH ASR OFF SWITCH OR ESP OFF SWITCH SLIDING/ POP-UP ROOF SWITCH TERMINAL TRANSMISSION RANGE RECOGNITION SWITCH TRANSMISSION SELECTOR LEVER VIO WIRE

63/2 AUTOMATIC ANTENNA BLK WIRE BLU WIRE BRN WIRE FUSE 28 FUSE BOX HOT AT ALL TIMES NCA WIRE RADIO CONTROL MODULE RED/WHT WIRE TUNER/ AMPLIFIER

63/2 AUTOMATIC ANTENNA BLK WIRE BRN WIRE CTEL TRANSMITTER/ RECEIVER FUSE 28 FUSE BOX HOT AT ALL TIMES IN DASH CONTROLLER NCA WIRE ORG/ WIRE RED/WHT WIRE

47/1 AUDIO POWER AMPLIFIER AUTOMATIC ANTENNA BLK WIRE BLU WIRE BRN WIRE FUSE 16 FUSE BOX HOT AT ALL TIMES NCA WIRE RADIO RED/WHT WIRE RED/YEL WIRE

BLK/GRY WIRE BLK/GRY/RED WIRE BLU/WHT WIRE BRN WIRE COMBINATION RELAY FUSE, RELAY BOX FUSE 22 HOT IN ACC, RUN OR START LEFT FRONT SEAT BELT BUCKLE/ COMFORT FEATURE SWITCH LEFT FRONT SEAT BELT COMFORT FEATURE SOLENOID LEFT REAR SEAT BELT BUCKLE/ COMFORT FEATURE SWITCH LEFT REAR SEAT BELT COMFORT FEATURE SOLENOID NCA WIRE RED WIRE RIGHT FRONT SEAT BELT BUCKLE/ COMFORT FEATURE SWITCH RIGHT FRONT SEAT BELT COMFORT FEATURE SOLENOID RIGHT REAR SEAT BELT BUCKLE/ COMFORT FEATURE SWITCH RIGHT REAR SEAT BELT COMFORT FEATURE SOLENOID TERMINAL BLOCK