Mercedes-Benz S-class W140 (1991-1998) blk/yel Wiring diagrams

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

BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/GRY WIRE CENTER CONSOLE CENTER CONSOLE REAR POWER WINDOWS CONVENIENCE CONTROL UNIT DATA LINK CONNECTOR DN TO LIMIT DN TO LIMIT UP DN UP TO LIMIT DN TO LIMIT UP TO LIMIT UP DN UP TO LIMIT FRONT CENTER CONSOLE LEFT FRONT POWER WINDOW SWITCH FRONT CENTER CONSOLE LEFT REAR POWER WINDOW SWITCH FRONT CENTER CONSOLE RIGHT REAR POWER WINDOW SWITCH FUSE 11 FUSE 5 FUSE 6 FUSE BOX FUSE 35 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACC, RUN, START LEFT FRONT DOOR SWITCH LEFT FRONT POWER WINDOW MOTOR LEFT REAR POWER WINDOW MOTOR LEFT REAR POWER WINDOW SWITCH PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PNK/GRY WIRE PNK/VIO WIRE PNK/WHT WIRE PNK/YEL WIRE REAR FUSE BOX RED/GRN WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RIGHT FRONT DOOR SWITCH RIGHT FRONT POWER WINDOW MOTOR RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR POWER WINDOW MOTOR RIGHT REAR POWER WINDOW SWITCH SAFETY SWITCH UP DN UP DN TO LIMIT UP TO LIMIT WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE

1995-99 1996-99 4 1 (1996-99) (1994-95) AM REAR WINDOW ANTENNA AMPLIFIER ANTENNA ASR/SPS CONTROL MODULE OR ESP/SPS/CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/GRY WIRE BLK/GRY/RED WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BRN WIRE CENTER FILL TWEETER SPEAKER COMBINATION RELAY MODULE CTEL TRANSMITTER/ RECEIVER FM BUMPER ANTENNA AMPLIFIER FUSE 16 FUSE 22 FUSE BOX GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/RED/WHT WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT AXLE VSS SENSOR LEFT FRONT DOOR SPEAKER (COUPE) LEFT FRONT DOOR SPEAKER GROUP LEFT REAR DOOR SPEAKER (OTHER) LEFT REAR SPEAKER GROUP LEFT/RIGHT AUDIO POWER AMPLIFIER (LEFT SIDE OF TRUNK) NCA (OR WIRE NCA WIRE POWER ANTENNA SYSTEM RADIO REAR FUSE BOX HOT IN RUN OR START RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR SPEAKER (COUPE) RIGHT FRONT DOOR SPEAKER GROUP RIGHT REAR DOOR SPEAKER (OTHER) RIGHT REAR SPEAKER GROUP TERMINAL BLOCK W/ POWER ANTENNA W/O POWER ANTENNA WHT WIRE YEL/BLK WIRE

69/1 BLK/BRN WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE CENTER CONSOLE FUSE 15 FUSE 32 FUSE BOX GRN/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, OR START INTERIOR LIGHTS SWITCH LEFT REAR HEAD RESTRAINT MOTOR LEFT REAR HEAD RESTRAINT RAISE/LOWER SWITCH REAR FUSE BOX REAR HEAD RESTRAINT CONTROL MODULE (BELOW LEFT REAR SEAT) REAR HEAD RESTRAINT SWITCH (CONSOLE) RED/GRN WIRE RED/YEL WIRE RIGHT REAR HEAD RESTRAINT MOTOR RIGHT REAR HEAD RESTRAINT RAISE/LOWER SWITCH YEL/BLK WIRE

69/1 69/2 BACKREST ADJUST LIMIT SWITCH BACKREST ADJUST MOTOR BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CENTER CONSOLE CONVENIENCE CONTROL UNIT (RIGHT SIDE OF TRUNK) CONVENIENCE RELAY (IN FUSE BOX) CUSHION ADJUST LIMIT SWITCH CUSHION ANGLE MOTOR FUSE 31 FUSE 32 FUSE BOX GRN WIRE GRY WIRE GRY/BLU WIRE HEAD RESTRAINT MOTOR HEAD RESTRAINT UP/DOWN HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LEFT REAR DOOR PLUG CONNECTION LEFT REAR INDIVIDUAL SEAT MOTOR GROUP LEFT REAR SEAT ADJUSTMENT SWITCH PNK WIRE REAR FUSE BOX FUSE 15 REAR HEAD RESTRAINT CONTROL UNIT (BELOW REAR SEAT) REAR HEAD RESTRAINT SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR DOOR PLUG CONNECTION RIGHT REAR INDIVIDUAL SEAT MOTOR GROUP RIGHT REAR SEAT ADJUSTMENT SWITCH SEAT CUSHION ADJUST MOTOR SEAT CUSHION INCLINE BACKREST FWD/ BKWD TERMINAL VIO WIRE VIO/BLK WIRE VIO/BLU WIRE WHT WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE

2 11 9 18 19 17 16 8 10 13 20 12 PNK WIRE 69/2 BACKREST ADJUSTMENT BACKREST FWD/ BKWD BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/PNK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE CENTER CONSOLE CONVENIENCE CONTROL UNIT (RIGHT SIDE OF TRUNK) CONVENIENCE RELAY (IN FUSE BOX) CUSHION ANGLE FUSE 31 FUSE BOX GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE HEAD RESTRAINT UP/DOWN HOT AT ALL TIMES LEFT REAR DOOR PLUG CONNECTION LEFT REAR DOOR PLUG CONNECTOR LEFT REAR SEAT CUSHION ADJUSTMENT SWITCH LUGGAGE COMPARTMENT FUSE BOX FUSE 15 PNK WIRE PNK/BLK WIRE REAR BACKREST ADJUSTMENT REAR HEAD RESTRAINT REAR HEAD RESTRAINT CONTROL UNIT (BELOW REAR SEAT) REAR HEAD RESTRAINT SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR PLUG CONNECTION RIGHT REAR DOOR PLUG CONNECTOR RIGHT REAR SEAT CUSHION ADJUSTMENT SWITCH TERMINAL VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

BLK/YEL WIRE BLU WIRE BLU/ BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN BLU/ WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE DATA LINK CONNECTOR DRIVER AIRBAG SQUIB FRONT PASSENGER AIRBAG SQUIB FRONT PASSENGER SEAT OCCUPIED RECOGNITION SENSOR FUSE 15 FUSE BOX FUSE 34 GRN BRN/ WIRE GRN WIRE GRY/YEL WIRE HORN/AIRBAG CLOCKSPRING CONTACT HOT IN ACC, RUN OR START INSTRUMENT CLUSTER LEFT FRONT EMERGENCY TENSIONING RETRACTOR SQUIB LEFT FRONT SEAT BELT BUCKLE SWITCH LEFT SIDE AIRBAG SENSOR LEFT SIDE AIRBAG SQUIB PNK WIRE PNK/YEL WIRE RIGHT FRONT EMERGENCY TENSIONING RETRACTOR SQUIB RIGHT FRONT SEAT BELT BUCKLE SWITCH RIGHT SIDE AIRBAG SENSOR RIGHT SIDE AIRBAG SQUIB SRS CONTROL MODULE (BELOW CENTER OF DASH) SRS MALFUNCTION INDICATOR VIO WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

"CHECK ENGINE" MIL BASE MODULE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLK/YEL/RED WIRE BRN WIRE BRN/RED/GRN WIRE BRN/WHT WIRE DM PRESSURE SENSOR FUSE 19 FUSE AND RELAY BOX GRN/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES TERMINAL BLOCK 2 30 IGNITION COILS IGNITION SWITCH INSTRUMENT CLUSTER OFF PNK/GRN/BLK WIRE PURGE CONTROL VALVE RED WIRE RED/BLU WIRE RED/BLU/BLK WIRE RED/BLU/YEL WIRE RED/GRN WIRE RED/GRN/BLK WIRE RED/YEL WIRE RUN WIRE TERMINAL BLOCK YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

AIR PUMP SWITCHOVER VALVE BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE CAMSHAFT HALL-EFFECT SENSOR COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR ECT SENSOR ELECTRONIC ACCELERATOR/ CRUISE CONTROL/IDLE ENGINE CONTROL MODULE (ME-SFI) FUEL INJECTOR VALVES GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE GYR/RED WIRE HOT FILM MAF SENSOR IAT SENSOR LEFT ADJUSTABLE CAMSHAFT TIMING SOLENOID NCA WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT ADJUSTABLE CAMSHAFT TIMING SOLENOID SPEED CONTROL MODULE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE