Volvo 850 I (1991-1997) run Wiring diagrams

30-RAIL CONNECTOR ALARM HORN (CENTER REAR OF ENGINE COMPT) ALARM RELAY ALARM WARNING LED ALARM WARNING LED (TOP CENTER OF I/P) AT ATR ATR ATR RH BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE CENTRAL ELECTRICAL UNIT CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CENTRAL LOCKING ANTI-THEFT ALARM REMOTE CONTROL MODULE (RIGHT SIDE OF I/P) CENTRAL LOCKING/ DELAYED INTERIOR LIGHTING RELAY (IN CENTRAL ELECTRICAL UNIT) CRUISE CONTROL SYSTEM DOOR LOCKS SYSTEM ECC SOLAR SENSOR/ ALARM WARNING LED EXTERIOR LIGHTS SYSTEM (TURN- SIGNAL LAMPS) FH AL FUSE 13 FUSE 6 FUSE 15 FUSE 32 FUSE 2 GRN WIRE GRN/RED WIRE GRN/YEL WIRE HOOD ALARM SWITCH (LEFT FRONT OF ENGINE COMPT) HOT AT ALL TIMES IGNITION SWITCH LEFT FRONT DOOR LOCK LEFT REAR DOOR LOCK LICENSE PLATE LIGHT LOCK M/T A/T NCA WIRE PNK WIRE PNK/WHT WIRE POWER GROUND CONNECTOR DOOR LOCKS SYSTEM RED WIRE RIGHT FRONT DOOR LOCK RIGHT REAR DOOR LOCK RUN WIRE SEDAN SERVICE STARTER CONNECTOR (RIGHT FRONT OF ENGINE COMPT) SIGNAL GROUND CONNECTOR SOLID STATE STARTER TAILGATE LOCK TRANSMISSION RANGE SENSOR (ON TRANS- AXLE) TRUNK LIGHT TRUNK LOCK VIO WIRE W/ A/T ONLY W/ ELECTRONIC CLIMATE CONTROL W/O ELECTRONIC CLIMATE CONTROL WAGON WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1995 EARLY PRODUCTION 2 13 (1995) (1996-97) A/T M/T ALARM RELAY BATTERY BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRAKE PEDAL SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CLUTCH PEDAL SWITCH (ON BRACKET, ABOVE CLUTCH PEDAL) CONNECTOR CRUISE CONTROL MODULE (UNUSED PINS NOT SHOWN) CRUISE CONTROL SWITCH CRUISE CONTROL VACUUM PUMP (LEFT FRONT OF ENGINE COMPT) DEC ENGINE CONTROLS SYSTEM FUSE 12 FUSE 28 GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN IGNITION SWITCH INSTRUMENT CLUSTER NCA WIRE OFF ON-BOARD DIAGNOSTIC CONNECTOR (1996-97 PARTIAL) (CENTER CONSOLE FORWARD SHIFTER) RED WIRE RED/BLK WIRE RES+ RUN WIRE SIGNAL GROUND CONNECTOR SPEEDOMETER W/ A/T ONLY WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE YEL/RED WIRE

1995 LATE PRODUCTION, 1996, 1997 1995 EARLY PRODUCTION BATTERY BLK WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CONNECTOR FROM TRUNK LOCK (DIAGRAM 1 OF 2) FUSE 12 FUSE 23 FUSE 24 FUSE 28 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES IGNITION SWITCH INTERIOR LIGHTS (RHEOSTAT) LEFT FRONT PARK/TURN LAMP LEFT SIDE TURN SIGNAL LAMP LICENSE PLATE LIGHT LICENSE PLATE LIGHT (DIAGRAM 1 OF 2) LIGHT SWITCH MAIN HEADLIGHT RELAY/BULB FAILURE WARNING SENSOR NCA WIRE OFF PARK HEAD OFF POWER GROUND CONNECTOR REAR BULB FAILURE WARNING SENSOR (LEFT REAR OF TRUNK/CARGO AREA) RED WIRE RED/WHT WIRE RIGHT FRONT PARK/TURN LAMP RIGHT SIDE TURN SIGNAL LAMP RUN WIRE SHIFT INTERLOCK SYSTEM SPOILER HIGH- MOUNT STOP LAMP HIGH- MOUNT STOP LAMP STOP LIGHT SWITCH (ON BRAKE PEDAL SUPPORT) TRUNK LOCK W/ REAR SPOILER WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

1995 LATE PRODUCTION, 1996, 1997 1995 EARLY PRODUCTION BATTERY BLK WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CONNECTOR FUSE 12 FUSE 23 FUSE 24 FUSE 28 GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HIGH MOUNT STOP LAMP HOT AT ALL TIMES IGNITION SWITCH INTERIOR LIGHTS (RHEOSTAT) LEFT FRONT PARK/TURN LAMP LEFT SIDE TURN SIGNAL LAMP LICENSE PLATE LIGHT LIGHT SWITCH MAIN HEADLIGHT RELAY/BULB FAILURE WARNING SENSOR OFF PARK HEAD OFF POWER GROUND CONNECTOR REAR BULB FAILURE SENSOR (LEFT REAR OF TRUNK/CARGO AREA) RED WIRE RED/WHT WIRE RIGHT FRONT PARK/TURN LAMP RIGHT SIDE TURN SIGNAL LAMP RUN WIRE SHIFT INTERLOCK SYSTEM STOP LIGHT SWITCH (ON BRAKE PEDAL SUPPORT) WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

BATTERY BLK WIRE BLU WIRE BLU/WHT WIRE CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CENTRAL ELECTRICAL UNIT (LEFT SIDE OF ENGINE COMPT) EXC USA/ CANADA FUSE 13 FUSE 19 FUSE 20 FUSE 21 FUSE 22 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HEAD HI LO HOT AT ALL TIMES IGNITION SWITCH ILLUMINATION LAMPS INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM (RHEOSTAT) LEFT HEADLIGHT LIGHT SWITCH LOCK MAIN HEADLIGHT RELAY/ BULB FAILURE WARNING SENSOR OFF PARK PNK WIRE REAR BULB FAILURE WARNING SENSOR (LEFT REAR CORNER OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RIGHT HEADLIGHT RUN WIRE SIGNAL GROUND CONNECTOR SOLID STATE TURN SIGNAL/ HIGH-LOW BEAM SWITCH USA CANADA VIO WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

BATTERY BLK WIRE BLU WIRE BLU/WHT WIRE CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CENTRAL ELECTRICAL UNIT (LEFT SIDE OF ENGINE COMPT) EXC USA/ CANADA FUSE 13 FUSE 19 FUSE 20 FUSE 21 FUSE 22 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HEAD HI LO HOT AT ALL TIMES IGNITION SWITCH ILLUMINATION LAMPS INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM (RHEOSTAT) LEFT HEADLIGHT LIGHT SWITCH LOCK MAIN HEADLIGHT RELAY/ BULB FAILURE WARNING SENSOR OFF PARK PNK WIRE REAR BULB FAILURE WARNING SENSOR (LEFT REAR CORNER OF TRUNK/CARGO AREA) RED WIRE RED/BLK WIRE RIGHT HEADLIGHT RUN WIRE SIGNAL GROUND CONNECTOR SOLID STATE TURN SIGNAL/ HIGH-LOW BEAM SWITCH USA CANADA VIO WIRE WHT WIRE YEL WIRE YEL/WHT WIRE

2 6 4 PWR SPEED INPUT GND 7 18 LOW GEAR SPEED INPUT AW 50-42 AUTOMATIC TRANSMISSSION CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) BATTERY BLK WIRE BLU/PNK WIRE BLU/RED WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) COOLANT LEVEL SENSOR (RIGHT FRONT OF ENGINE COMPT) CRUISE CONTROL MODULE ELECTRONIC CLIMATE CONTROL MODULE (CENTER OF I/P) FUEL LEVEL SENSOR (IN FUEL TANK) FUSE 3 GRN/GRY WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/ORG WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH LIGHT SWITCH MOTRONIC 4.3 MFI CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) NEGATIVE BATTERY TERMINAL (1995 LATE PROD) OFF OVERLOAD RELAY #2 (15+) POWER GROUND CONNECTOR PROGRAM SWITCH RED WIRE RED/BLK WIRE RUN WIRE SIGNAL GROUND CONNECTOR SPEED INPUT SPEED INPUT DATA RPM INPUT TEMP INPUT MIL SPEED INPUT TEMP INPUT SPEED WARNING RELAY SPEEDOMETER SENSOR (ON TRANSMISSION) WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE

2 6 4 PWR SPEED INPUT GND 7 18 LOW GEAR SPEED INPUT AW 50-42 AUTOMATIC TRANSMISSSION CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) BATTERY BLK WIRE BLU/PNK WIRE BLU/RED WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) COOLANT LEVEL SENSOR (RIGHT FRONT OF ENGINE COMPT) CRUISE CONTROL MODULE ELECTRONIC CLIMATE CONTROL MODULE (CENTER OF I/P) EZK DI IGNITION SYSTEM CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT) FUEL LEVEL SENSOR (IN FUEL TANK) FUSE 3 GRN WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/YEL WIRE GRY WIRE GRY/ORG WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH LH 3.2 MFI CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) LIGHT SWITCH MIL OUT NEGATIVE BATTERY TERMINAL (1995 LATE PROD) OFF OVERLOAD RELAY #2 (15+) POWER GROUND CONNECTOR PROGRAM SWITCH RED WIRE RED/BLK WIRE RPM OUTPUT TEMP INPUT RUN WIRE SIGNAL GROUND CONNECTOR SPEED INPUT SPEED INPUT TEMP INPUT SPEED WARNING RELAY SPEEDOMETER SENSOR (ON TRANSMISSION) TEMP OUTPUT MIL OUTPUT WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE

A/C PRESSOSTAT (AIR CONDITIONING SYSTEM) A/C PRESSURE SENSOR (COOLING FANS SYSTEM) PIN 1 PIN 3 A/C RELAY (W/ ECC) A/C SOLENOID COUPLING ACCELEROMETER (CENTER REAR OF ENG COMPT) AW 50-42 AUTOMATIC TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/ORG WIRE BLU/RED WIRE BRN WIRE BRN/ORG (OR BRN/PNK) WIRE BRN/PNK WIRE BRN/WHT WIRE CENTRAL ELECTRICAL UNIT CENTRAL ELECTRICAL UNIT (LEFT REAR CORNER OF ENGINE COMPT.) CENTRAL ELECTRICAL UNIT (LEFT REAR CORNER OF ENGINE COMPT.) FUSE #2 CRUISE CONTROL MODULE (IN CENTRAL ELEC. UNIT) DI POWER STAGE (FRONT OF LEFT STRUT TOWER) DISTRIBUTOR ECC CONTROL FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY (IN CENTRAL ELECTRICAL UNIT) GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/ORG (OR VIO/WHT) WIRE GRN/WHT WIRE GRN/YEL WIRE GRY BLU/ WIRE GRY WIRE GRY/BLK WIRE GRY/ORG WIRE GRY/RED WIRE HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER (TEMP. GAUGE) J/B (30 RAIL) (IN ELECTRICAL CENTRAL UNIT) MAL- FUNCTION INDICATOR "CHECK ENGINE" SPEEDO- METER (OUTPUT) MOTRONIC 4.3 MFI CONTROL MODULE (RIGHT FRONT OF ENGINE COMPART- MENT) NCA WIRE OFF OPTIONAL ORG/WHT WIRE OVERLOAD RELAY 15+ (IN CENTRAL ELECTRICAL UNIT) PIN 2 PNK WIRE PULSE SENSOR (BELOW DISTRIBUTOR) RED WIRE RED/BLK WIRE RUN WIRE SOLID STATE TACHOMETER TRIP COMPUTER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

A/C HIGH PRESSURE SENSOR (W/ ECC) A/C PRESSOSTAT A/C RELAY PIN 4 (W/ ECC) A/T ONLY AW 50-42 AUTOMATIC TRANSMISSION BATTERY BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (BEHIND DISTRIBUTOR) CENTRAL ELECTRICAL UNIT (LEFT REAR CORNER OF ENGINE COMPT.) CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT.) CRUISE CONTROL MODULE DI POWER STAGE (FRONT OF LEFT STRUT TOWER) DISTRIBUTOR ECC CONTROL ENGINE COOLING FAN RELAY EZK (DI) IGNITION SYSTEM CONTROL MODULE (RIGHT FRONT OF ENGINE COMPT.) FUSE 1 FUSE 2 FUSE 33 FUSE 8 GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC OR RUN IGNITION SWITCH INSTRUMENT INSTRUMENT CLUSTER MAL- FUNCTION INDICATOR "CHECK ENGINE" NCA WIRE OFF OPTIONAL OVERLOAD RELAY 15+ (IN CENTRAL ELECTRICAL UNIT) PNK PNK 8 9 10 WIRE PNK WIRE PNK/BLK WIRE PULSE SENSOR (BELOW DISTRI- BUTOR) RED WIRE RED/BLK WIRE RUN WIRE SPEEDO- METER (OUTPUT) TACHOMETER VARIABLE INTAKE MANIFOLD SOLENOID (LEFT SIDE OF ENGINE) VIO WIRE VIO/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE