Mercedes-Benz C-class W203/S203/CL203 (2000-2004) circuit 87 relay (engine) Wiring diagrams

AIR PUMP RELAY ANTI-LOCK BRAKES SYSTEM BLA BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/PNK WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE CIRCUIT CIRCUIT 15 RELAY CIRCUIT 87 RELAY (CHASSIS) CIRCUIT 87 RELAY (ENGINE) CRASH DIAG FANFARE HORNS RELAY FROM FUSE 42 (DIAGRAM 1 OF 3) FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FRONT SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT REAR OF ENGINE COMPT) FUSE 4 FUSE 44 FUSE 46 FUSE 47 FUSE 48 FUSE 49 FUSE 50 FUSE 51 FUSE 45 FUSE 52 FUSE 53 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 6 FUSE 62 FUSE 65 40 GRN WIRE GRY WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES PNK/BLK WIRE RANGE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY STARTER RELAY STARTING SYSTEM ENGINE CONTROLS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE, TELE AID TRANSMITTER TO PIN 1, TO PIN 2, TO PIN 3, TO PIN 4, TO PIN 6, TO PIN 8, TO PIN 8, TO PIN 4, TO PIN 9, TRANSMISSION SYSTEM VIO WIRE VSS LF VSS RF WIPER WIPER ON/OFF RELAY WIPER STAGE 1-2 RELAY WIPER/WASHER SYSTEM YEL WIRE

BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAMSHAFT HALL SENSOR (RIGHT FRONT OF ENGINE) CAN L CIRCUIT 87 RELAY (ENGINE) COMPUTER DATA LINES SYSTEM CPP FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUEL PUMP FUEL PUMP ASSEMBLY FUEL PUMP RELAY FUSE 4 FUSE 54 FUSE 53 FUSE 53 FUSE 6 GRN/YEL WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT FUEL LEVEL SENSOR NCA WIRE OXYGEN SENSOR 1 (UPSTREAM TWC) (ON EXHAUST PIPE) OXYGEN SENSOR 2 (DOWNSTREAM TWC) (ON EXHAUST PIPE) PNK/RED WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT FUEL LEVEL SENSOR TNA VIO/BLU WIRE VIO/WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN L CIRCUIT 87 RELAY (ENGINE) COMPUTER DATA LINES SYSTEM CPP FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUEL PUMP FUEL PUMP ASSEMBLY FUEL PUMP RELAY FUSE 4 FUSE 48 FUSE 54 FUSE 53 FUSE 53 FUSE 57 FUSE 6 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT FUEL LEVEL SENSOR RIGHT FUEL LEVEL SENSOR NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE THROTTLE VALVE ACTUATOR (FRONT LEFT SIDE OF ENGINE) TNA VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CAN L CIRCUIT 87 RELAY (ENGINE) COMPUTER DATA LINES SYSTEM CPP FRONT PRE-FUSE BOX (RIGHT REAR OF ENGINE COMPT) FUSE 2 FUEL PUMP FUEL PUMP ASSEMBLY FUEL PUMP RELAY FUSE 4 FUSE 48 FUSE 54 FUSE 53 FUSE 53 FUSE 57 FUSE 6 GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN OR START LEFT FUEL LEVEL SENSOR RIGHT FUEL LEVEL SENSOR NCA WIRE REAR SAM CONTROL MODULE W/ FUSE, RELAY MODULE (LEFT SIDE OF TRUNK) RED WIRE RED/BLU WIRE RED/GRN WIRE THROTTLE VALVE ACTUATOR (FRONT LEFT SIDE OF ENGINE) TNA VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE YEL WIRE