Volvo 850 I (1991-1997) (negative battery terminal) Wiring diagrams

ACCESSORIES CONNECTOR (LEFT SIDE OF I/P) BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) DIM OUT FUSE 16 FUSE 20 FUSE 35 HOT AT ALL TIMES HOT IN ACC OR RUN HOT W/ HI-BEAM HEADLAMPS ON INTERIOR LIGHTS SYSTEM PNK WIRE ORG/ WIRE PNK WIRE POWER GROUND CONNECTOR RED WIRE RHEOSTAT WHT WIRE

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

BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN/PNK WIRE BULB FAILURE WARNING INDICATOR CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CENTRAL ELECTRICAL UNIT (LEFT SIDE OF ENGINE COMPT) FOG LIGHT RELAY FRONT FOG LIGHTS BRIDGE FRONT FOG LIGHTS SWITCH FUSE FUSE 18 FUSE 25 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HIGH BEAM INDICATOR HOT AT ALL TIMES ILLUMINATION LAMP ILLUMINATION LAMP PNK WIRE INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (OVERLOAD RELAY #2 [15+]) LEFT FRONT FOG LAMP LEFT LOWER TAILLIGHT ASSEMBLY (WAGON) LEFT TAILLIGHT ASSEMBLY (SEDAN) OFF ON INDICATOR ORG/ WIRE PNK PNK INTERIOR LIGHTS SYSTEM (RHEOSTAT) WIRE PNK WIRE POWER GROUND CONNECTOR REAR BULB FAILURE WARNING SENSOR (LEFT REAR OF TRUNK) REAR FOG LAMP REAR FOG LIGHTS SWITCH REAR FOG LIGHTS WARNING INDICATOR REAR FOG/PARK LAMP RED WIRE RIGHT FRONT FOG LAMP RIGHT LOWER TAILLIGHT ASSEMBLY (WAGON) RIGHT TAILLIGHT ASSEMBLY (SEDAN) SEDAN VIO WIRE VIO/WHT WIRE WAGON YEL WIRE

BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN/PNK WIRE BULB FAILURE WARNING INDICATOR CENTRAL ELECTRICAL UNIT (LEFT REAR OF ENGINE COMPT) CENTRAL ELECTRICAL UNIT (LEFT SIDE OF ENGINE COMPT) FOG LIGHT RELAY FRONT FOG LIGHTS BRIDGE FRONT FOG LIGHTS SWITCH FUSE FUSE 18 FUSE 25 GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HIGH BEAM INDICATOR HOT AT ALL TIMES ILLUMINATION LAMP ILLUMINATION LAMP PNK WIRE INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM (OVERLOAD RELAY #2 [15+]) LEFT FRONT FOG LAMP LEFT LOWER TAILLIGHT ASSEMBLY (WAGON) LEFT TAILLIGHT ASSEMBLY (SEDAN) OFF ON INDICATOR ORG/ WIRE PNK PNK INTERIOR LIGHTS SYSTEM (RHEOSTAT) WIRE PNK WIRE POWER GROUND CONNECTOR REAR BULB FAILURE WARNING SENSOR (LEFT REAR OF TRUNK) REAR FOG LAMP REAR FOG LIGHTS SWITCH REAR FOG LIGHTS WARNING INDICATOR REAR FOG/PARK LAMP RED WIRE RIGHT FRONT FOG LAMP RIGHT LOWER TAILLIGHT ASSEMBLY (WAGON) RIGHT TAILLIGHT ASSEMBLY (SEDAN) SEDAN VIO WIRE VIO/WHT WIRE WAGON YEL 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

A/C PRESSOSTAT A/C SOLENOID COUPLING A/T ONLY BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CENTRAL ELEC- TRICAL UNIT ENGINE TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) FUEL INJECTORS FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY (IN CENTRAL ELECTRICAL UNIT) FUEL SYSTEM MAIN RELAY (FRONT OF ENGINE COMPT.) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HEATED OXYGEN SENSOR (ON EXHAUST PIPE, BEFORE CONVERTER) IAC IDLING VALVE (LEFT FRONT OF ENGINE) INSTRUMENT CLUSTER LH 3.2 MFI CONTROL MODULE (RIGHT FRONT OF ENG COMPT) MASS AIR FLOW SENSOR (FRONT OF AIR CLEANER HOUSING) ON-BOARD DIAGNOSTIC SOCKET A (PARTIAL) (RIGHT FRONT CORNER OF ENG COMPT) PNK PNK 8 9 10 WIRE PNK PNK WIRE PNK WIRE RED WIRE RED/BLK WIRE SOLID STATE THROTTLE POSITION SENSOR (LEFT FRONT OF ENGINE) TRIP COMPUTER VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/VIO WIRE YEL/WHT WIRE