Mercedes-Benz S-class W140 (1991-1998) blu/gry Wiring diagrams

1995 VFTC 1995-98 28/3 ACC PUSHBUTTON CONTROL UNIT ACTIVE CHARCOAL FILTER SWITCH BLK WIRE BLK/BLU WIRE BLK/GRY/BLU WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL/GRN WIRE BLK/YEL/WHT WIRE BLOWER MOTOR BLOWER REGULATOR BLU/BLK WIRE BLU/GRN WIRE BLU/GRN/WHT WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHARCOAL FILTER ACTUATOR CIRCULATION PUMP COOLANT TEMPERATURE SENSOR LEFT HEATER CORE TEMPERATURE SENSOR DIAGNOSTIC CONNECTOR (RIGHT REAR OF ENGINE COMPARTMENT) EVAPORATOR TEMPERATURE SENSOR EXCEPT 1995-96 FUSE BOX FUSE 20 GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLK/YEL WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE GRY/YEL/VIO WIRE HEATER SUPPLY UNIT HEATING SYSTEMS RECIRCULATION UNIT HOT IN RUN OR START IN-CAR TEMPERATURE SENSOR LEFT DUOVALVE RIGHT DUOVALVE MALFUNCTION INDICATION TERMINAL BLOCK NCA WIRE OUTSIDE TEMPERATURE SENSOR PNEUMATIC CONTROL UNIT RED WIRE RED/ GRY WIRE RED/GRN WIRE REFRIGERANT PRESSURE SENSOR RIGHT HEATER CORE TEMPERATURE SENSOR TERMINAL BLOCK (BATTERY POWER) WARM/ COOL AIR SWITCH WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/GRY WIRE

1 2 3 6 15 16 18 19 SN 1 15 SN 2 2 3 4 5 6 TK DF HD SN 2 TK SN 1 32/2 ALARM HORN ATA CONTROL MODULE (RIGHT SIDE OF TRUNK) BLK WIRE BLK/RED WIRE BLK/YEL/RED WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/PNK WIRE BRN/RED WIRE BRN/YEL WIRE CENTRAL LOCKING INSIDE SWITCH CONVENIENCE CONTROL MODULE (RIGHT SIDE OF TRUNK) DIAGNOSTIC CONNECTOR ENGINE HOOD SWITCH FUSE 11 FUSE 15 FUSE 2 FUSE 23 FUSE BOX GRN WIRE GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM (FUSE 12) HEADLIGHTS SYSTEM (FUSE 8) HEADLIGHTS SYSTEM (FUSE 9) HOT AT ALL TIMES HOT IN RUN OR START INFRARED REMOTE CONTROL MODULE LEFT FRONT DOOR ACTUATOR LEFT FRONT DOOR LOCK SWITCH LEFT FRONT DOOR SWITCH LEFT REAR DOOR SWITCH RIGHT REAR DOOR SWITCH LOCK CATCH/ TRUNK LID MICRO- SWITCH NCA WIRE PSE CONTROL MODULE (RIGHT SIDE OF REAR SEAT) RADIO CONTROL MODULE REAR FUSE BOX RED WIRE RED/GRY WIRE RIGHT FRONT DOOR LOCK SWITCH RIGHT FRONT DOOR SWITCH RIGHT TRUNK LAMP SEDAN, COUPE SN 1 SN 2 SN 2 DF HD TK STOP LAMP SWITCH TERMINAL TERMINAL BLOCK TK TK DF HD TRUNK LID LOCK SWITCH WHT WIRE WHT/GRN WIRE WHT/PNK WIRE YEL WIRE

ABS CONTROL MODULE AUS TNA 87 UG 87 UG 31 31 BASE MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/GRN WIRE BLK/GRN/PPL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CAN-L CAN-H COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE CONTROL/IDLE SPEED CONTROL ACTUATOR DF VL 87 KP DFA HA DFA VL FUSE BOX FUSE 23 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT IN RUN OR START I/P INSTRUMENT CLUSTER IPW IPS IP- KSK LLK LSK NCA WIRE PNK WIRE PPL PPL 2 RED WIRE RED/GRN WIRE RED/GRN/WHT WIRE RED/WHT WIRE RED/YEL WIRE S-B S+B DF H SSA STARTER LOCK-OUT/ BACKUP LAMP SWITCH ULSK WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/GRN/BLK WIRE

ANTI-LOCK BRAKES SYSTEM ASR/SPS CONTROL MODULE BASE MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/GRN WIRE BLK/GRN/PPL WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CAN-L CAN-H CLOSED THROTTLE POSITION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DIAGNOSTIC CONNECTOR (RIGHT REAR CORNER OF ENGINE COMPT) ELECTRONIC ACCELERATOR/CRUISE CONTROL/IDLE SPEED CONTROL ACTUATOR FUSE BOX FUSE 23 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HOT IN RUN OR START INSTRUMENT CLUSTER KSK GETR UGETR LSK MSK NCA WIRE PKS S-B S+B PNK WIRE PPL RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRN/WHT WIRE RED/WHT WIRE RED/YEL WIRE SPEED- OMETER SPS IPS P- STARTER LOCK-OUT/ BACKUP LAMP SWITCH STOP LAMP SWITCH UPKS USK W/ ADS W/O ADS WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK/GRN WIRE YEL/GRN WIRE

ABS/ASR CONTROL MODULE ADS CONTROL MODULE (IN MODULE BOX, RIGHT REAR OF ENGINE COMPT) ADS WARNING IND. BASE MODULE (RIGHT REAR SIDE OF ENGINE COMPARTMENT, IN MODULE BOX) BLK WIRE BLK/GRN WIRE BLK/GRN/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL WIRE BLS LAM ZAS BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/BLU/WHT WIRE BRN/GRY WIRE BRN/YEL WIRE COMFORT/SPORT SWITCH DATA LINK CONNECTOR (RIGHT REAR OF ENGINE COMPARTMENT) FUSE 17 FUSE BOX GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRY WIRE GRY/YEL WIRE HAR HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LEFT FRONT AXLE DAMPER LEFT FRONT BODY LATERAL ACCELERATION SENSOR LEFT REAR AXLE DAMPER LW DF NCA WIRE PNK WIRE RED WIRE RIGHT FRONT AXLE DAMPER RIGHT FRONT BODY LATERAL ACCELERATION SENSOR RIGHT REAR BODY LATERAL ACCELERATION SENSOR RIGHT REAR AXLE DAMPER STEERING ANGLE SENSOR STOP LAMP SWITCH VALVE UNIT VVR+ WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE ZA+ VVL ZA+ ZA- HAL ZA- ZAS ZR+ ZR- ZRS 31

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

1995-96 2 3 W/ ELECTRONIC ACCELERATOR W/O ELECTRONIC ACCELERATOR A/C PUSHBUTTON CONTROL MODULE ADS CONTROL MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) ATA CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) BASE MODULE (IN MODULE BOX, ON RIGHT REAR OF ENGINE COMPT) BLK/BLU WIRE BLK/YEL WIRE BLU/GRY WIRE BRN WIRE CAN 3 8 1 CAN H+ CAN 3 19 CAN L CAN L- 3 18 CAN-H CONVENIENCE FEATURE CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) DIAGNOGSTIC MODULE (OBD II) ENGINE CONTROL MODULE (HFM-SFI) FUSE 15 FUSE 17 FUSE BOX GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/PPL WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START INFRARED REMOTE CONTROL MODULE (ON RIGHT SIDE OF LUGGAGE COMPT) INSTRUMENT CLUSTER NCA WIRE PNK WIRE PSE CONTROL MODULE (RIGHT SIDE OF REAR SEAT) RED WIRE RED/WHT WIRE SEE SYSTEM DIAGRAM FOR PIN NUMBER SPS CONTROL MODULE SRS CONTROL MODULE SRS IND TEST CONNECTOR FOR DIAGNOSIS (RIGHT REAR CORNER OF ENGINE COMPARTMENT) TRANSMISSION CONTROL MODULE W/ ASR W/O ASR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED (OR YEL/BLU) WIRE YEL/RED WIRE

BASE MODULE BLK WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRN/VIO WIRE BRN/RED/GRN WIRE BRN/YEL WIRE CHECK ENGINE LIGHT COMPUTER DATA LINES CRUISE CONTROL SYSTEM DATA LINK CONNECTOR (DTC READOUT) (IN RIGHT COMPONENT COMPT.) DIAGNOSTIC MODULE (OBD II) SCAN TOOL CONNECTOR DIAGNOSTIC MODULE (OBD-II) DIAGNOSTIC MODULE PRESSURE SENSOR ENGINE CONTROL MODULE (HFM-SFI) (RIGHT FOOT- WELL) ETS/SPS CONTROL MODULE FUEL PUMP 1 FUEL PUMP RELAY MODULE FUSE 17 FUSE BOX FUSE 25 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/YEL WIRE HEATER RELAY MODULE HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH INSTRU- MENT CLUSTER SYSTEM INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LOCK P/N PURGE CONTROL VALVE PURGE- FLOW SWITCHOVER VALVE REAR FUSE BOX FUSE 13 RED WIRE RED/BLU WIRE RED/BLU/BLK WIRE RED/BLU/WHT WIRE RED/GRN WIRE RED/WHT WIRE RUN WIRE STARTER STARTER LOCK-OUT/ BACKUP LAMP SWITCH STOP LAMP SWITCH TERMINAL BLOCK TRANSMISSION CONTROL MODULE TRANSMISSION OVERLOAD PROTECTION SWITCH UPSHIFT DELAY SWITCH- OVER VALVE VIO WIRE VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK/GRN WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

1 11 3 ASR/ SPS 1 4 3 ESP/ SPS ACTIVATED CHARCOAL CANISTER SHUT-OFF VALVE AIR PUMP AIR PUMP RELAY ASR/SPS CONTROL MODULE BLK WIRE BLK/GRN/VIO WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BODY ACCELERATION SENSOR BRN WIRE BRN/BLU WIRE BRN/RED/GRN WIRE BRN/YEL WIRE CRUISE CONTROL SYSTEM DATA LINK CONNECTOR DIAGNOSTIC MODULE (OBD II) GENERIC SCAN TOOL CONNECTOR ENGINE CONTROL MODULE (ME-SFI) ESP/SPS CONTROL MODULE FUEL PUMP ASSEMBLY FUEL PUMP RELAY FUEL TANK PRESSURE SENSOR FUSE 23 FUSE 6 FUSE AND RELAY BOX GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BLU/WHT WIRE GRY/BRN WIRE GRY/PNK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE BOX FUSE 13 HOT IN RUN OR START INSTRUMENT CLUSTER SYSTEM MAXI FUSE BOX NCA WIRE PEDAL VALUE SENSOR RED WIRE RED/BLU WIRE RED/BLU/BLK WIRE RED/BLU/YEL WIRE RED/YEL WIRE RIGHT REAR SEAT STOP LAMP SWITCH TERMINAL BLOCK (STOP LAMP SWITCH) VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE

1 11 3 ASR/ SPS 1 4 3 ESP/ SPS ACTIVATED CHARCOAL CANISTER SHUT-OFF VALVE AIR PUMP AIR PUMP RELAY ASR/SPS CONTROL MODULE BLK WIRE BLK/GRN/VIO WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/YEL/RED WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BODY ACCELERATION SENSOR BRN WIRE BRN/BLU WIRE BRN/RED/GRN WIRE BRN/YEL WIRE CRUISE CONTROL SYSTEM DATA LINK CONNECTOR DIAGNOSTIC MODULE (OBD II) GENERIC SCAN TOOL CONNECTOR ENGINE CONTROL MODULE (ME-SFI) ESP/SPS CONTROL MODULE FUEL PUMP ASSEMBLY FUEL PUMP RELAY FUEL TANK PRESSURE SENSOR FUSE 23 FUSE 6 FUSE AND RELAY BOX GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BLU/WHT WIRE GRY/BRN WIRE GRY/PNK WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE BOX FUSE 13 HOT IN RUN OR START INSTRUMENT CLUSTER SYSTEM MAXI FUSE BOX NCA WIRE PEDAL VALUE SENSOR RED WIRE RED/BLU WIRE RED/BLU/BLK WIRE RED/BLU/YEL WIRE RED/YEL WIRE RIGHT REAR SEAT STOP LAMP SWITCH TERMINAL BLOCK (STOP LAMP SWITCH) VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/VIO WIRE