Mercedes-Benz S-class W140 (1991-1998) combination switch Wiring diagrams

14/1 14/2 14/3 20/2 36/2 HOT AT ALL TIMES 5/1 12/1 12/2 ALTERNATOR BLK WIRE BLK/RED/YEL WIRE BLK/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 13 FUSE 14 FUSE 15 FUSE 8 FUSE 12 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 HEAD- LAMP HI FLASH LO HIGH BEAM INDICATOR HIGH LOW LEFT TAILLAMP UNIT RIGHT TAILLAMP UNIT HIGH RIGHT TAILLAMP UNIT HOT AT ALL TIMES HOT IN ACCY, RUN, OR START HOT IN RUN OR START INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEADLAMP UNIT LEFT TAILLAMP UNIT MAXI FUSE BOX NSE OFF PARK OFF RH PARK OFF RH PARK HEAD LH OFF RH PARK LH HEAD RED WIRE RH LH RIGHT HEADLAMP UNIT SEDAN SEDAN TAIL/ PARK TAIL/ PARK TAIL/ PARK VIO WIRE WHT WIRE WHT/YEL WIRE WIPER/ WASHER SYSTEM YEL WIRE

22/2 36/2 37/2 5.1 AUX TAIL BACK-UP LAMPS CIRCUIT BACKUP BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/RED/GRN WIRE BLK/RED/VIO WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CENTER HIGH MOUNTED STOP LAMP TURN SIGNAL/ SIDE MARKER LAMP COMBINATION RELAY (IN FUSE BOX) COMBINATION SWITCH EXT LAMP FAILURE IND EXTERIOR LAMP FAILURE MONITORING MODULE (IN FUSE BOX) EXTERIOR LAMP SWITCH FUSE 17 FUSE 23 FUSE 24 FUSE 25 FUSE 9 FUSE BOX FUSE BOX FUSE 8 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLK/VIO WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/GRN/WHT WIRE GRY/RED WIRE GRY/RED/VIO WIRE GRY/RED/YEL WIRE GRY/VIO WIRE GRY/VIO/WHT WIRE GRY/WHT/VIO WIRE GRY/YEL WIRE GRY/YEL/WHT WIRE HAZARD FLASHER SWITCH HEAD LH HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN OFF, ACCY HOT IN RUN OR START INSTR CLUST SYSTEM INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEADLAMP UNIT LEFT LICENSE PLATE LAMP LEFT TURN IND LH HEAD HEAD MARKER MARKER AUX TAIL FOG NCA WIRE OFF PARK OFF PARK RH OFF RH PARK RED WIRE RIGHT HEADLAMP UNIT RIGHT LICENSE PLATE LAMP RIGHT TAILLAMP UNIT RIGHT TURN IND STOP STOP LAMP SWITCH TAIL/ PARK TERMINAL TERMINAL BLOCK TURN TURN LEFT TAILLAMP UNIT TURN SIGNAL SWITCH TURN SIGNAL/ SIDE MARKER LAMP VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE

22/2 36/2 37/2 5.1 BACK-UP LAMPS CIRCUIT BACKUP BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/RED/GRN WIRE BLK/RED/VIO WIRE BLK/RED/WHT WIRE BLK/WHT WIRE BLK/YEL/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/GRY WIRE CENTER HIGH MOUNTED STOP LAMP TURN SIGNAL/ SIDE MARKER LAMP COMBINATION RELAY (IN FUSE BOX) COMBINATION SWITCH EXT LAMP FAILURE IND EXTERIOR LAMP FAILURE MONITORING UNIT (LEFT REAR OF ENGINE COMPT) EXTERIOR LAMP SWITCH FUSE 17 FUSE 23 FUSE 24 FUSE 25 FUSE 9 FUSE BOX FUSE BOX FUSE 8 GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/GRN/WHT WIRE GRY/RED WIRE GRY/RED/YEL WIRE GRY/VIO WIRE GRY/VIO/WHT WIRE GRY/WHT/VIO WIRE GRY/YEL WIRE GRY/YEL/WHT WIRE HAZARD FLASHER SWITCH HEAD LH HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM WIPER/ WASHER SYSTEM HOT AT ALL TIMES HOT IN OFF, ACCY HOT IN RUN OR START INSTR CLUST SYSTEM INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEADLAMP UNIT LEFT LICENSE PLATE LAMP LEFT TURN IND LH HEAD HEAD MARKER MARKER FOG NCA WIRE OFF PARK OFF PARK RH OFF RH PARK RED WIRE RIGHT HEADLAMP UNIT RIGHT LICENSE PLATE LAMP RIGHT TAILLAMP UNIT RIGHT TURN IND STOP STOP LAMP SWITCH TAIL/ PARK TERMINAL TERMINAL BLOCK TURN TURN LEFT TAILLAMP UNIT TURN SIGNAL SWITCH TURN SIGNAL/ SIDE MARKER LAMP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

20/2 BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMBINATION SWITCH GRY WIRE GRY/WHT/GRN WIRE HEADLIGHT WASHER CIRCUIT HOT IN ACC, RUN OR START HOT IN ACCY, RUN OR START FUSE BOX FUSE 15 INT LO NCA WIRE OFF HI PARK RAIN SENSOR RED/YEL WIRE RUN WIRE TERMINAL BLOCK VIO/YEL WIRE WASHER SWITCH WINDSHIELD WASHER PUMP WINDSHIELD WIPER MOTOR WIPER SWITCH

BLK/YEL WIRE BLK/YEL/RED WIRE BRN WIRE COMBINATION RELAY COMBINATION SWITCH FUSE 15 FUSE BOX GRY WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT/GRN WIRE HCS RELAY MODULE HEADLAMP WASHER PUMP HOT AT ALL TIMES HOT IN ACCY, RUN, OR START LEFT HEADLAMP WIPER MOTOR LIGHT SWITCH NCA WIRE OFF PARK HEAD PARK RED WIRE RIGHT HEADLAMP WIPER MOTOR RUN WIRE VIO/YEL WIRE WASH WASHER SWITCH

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

12/2 14/1 14/3 12/1 14/2 22/3 22/1 22/2 24/3 28/3 28/2 (NOT USED) PNK PNK WIRE 29/2 28/1 3/1 7/3 36/2 36/1 31/2 37/2 37/1 5/1 5/2 9/1 63/2 78/2 65/1 78/1 68/2 (NOT USED) 69/1 69/2 82/1 82/2 AIR CONDITIONING, AUXILIARY COOLANT PUMP CONTROL RELAY MODULE ALTERNATOR AUTOMATIC CLIMATE CONTROL, A/C COMPRESSOR, BASE MODULE KICKDOWN SWITCH BLK WIRE BLU WIRE BRIDGE CANADA COMBINATION SWITCH CONVENIENCE RELAY DAYTIME RUNNING LAMPS DAYTIME RUNNING LAMPS DAYTIME RUNNING LAMPS EXTERIOR LAMP SWITCH FLASH TO PASS FLASH- TO- PASS HI LO FOG LAMP SWITCH FROM FUSE 15 (DIAGRAM 1 OF 2) FROM IGNITION/ STARTER SWITCH (DIAGRAM 1 OF 2) FROM IGNITION/STARTER SWITCH (DIAGRAM 1 OF 2) FROM MAXI-FUSE BOX (DIAGRAM 1 OF 2) FROM TERMINAL BLOCK (DIAGRAM 1 OF 2) FRONT FOG LAMPS ATA CONTROL UNIT REAR FOG LAMPS FUSE 11 FUSE 13 FUSE 12 FUSE 14 FUSE 20 FUSE 19 FUSE 23 FUSE 21 FUSE 24 FUSE 26 FUSE 10 FUSE 27 FUSE 28 FUSE 38 FUSE 37 FUSE 33 FUSE 29 FUSE 30 FUSE 31 FUSE 32 FUSE 36 FUSE 40 FUSE 41 FUSE 8 FUSE 7 FUSE 9 FUSE BOX (LEFT REAR OF ENGINE COMPARTMENT) FUSE BOX (LEFT REAR OF ENGINE FUSE 25 COMPARTMENT) FUSE BOX FUSE 18 FUSE 17 GRN WIRE GRN/WHT WIRE GRY WIRE HEAD HEAD LH IGNITION COIL INSTRUMENT CLUSTER LEFT FRONT POWER SEAT ELECTRONIC ANTENNA FRONT HEATED SEATS LEFT HIGH BEAM HEADLAMP, HIGH BEAM INDICATOR LEFT LOW BEAM HEADLAMP LEFT/RIGHT SEAT MEMORY, DRIVER MEMORY STEERING COLUMN ADJUST LH HEAD NCA WIRE NSE OFF PARK PNK PNK WIRE PNK/ ENGINE CONTROLS BASE MODULE WIRE PNK/GRN/BLK WIRE PNK/YEL/BLK WIRE REAR POWER SEAT, TRUNK LAMP, RIGHT REAR HEAD RESTRAINT RED WIRE RED/WHT WIRE RH OFF PARK RIGHT FRONT POWER SEAT RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP STANDING STANDING OFF RH PARK STANDING RH STARTER TERMINAL VIO WIRE WARNING BUZZER, EXTERIOR LAMP FAILURE MONITORING UNIT WHT WIRE YEL WIRE