Cadillac Seville IV (1992-1997) northstar Wiring diagrams

193 (291) 4.9L A/C HIGH SIDE TEMPERATURE SENSOR (CENTER REAR OF ENGINE COMPARTMENT) A/C HIGH TEMP SENS A/C LOW TEMP SENS A/C LOW SIDE TEMPERATURE SENSOR (RIGHT REAR OF ENGINE COMPARTMENT) BLK WIRE BLK/WHT WIRE BLOWER CTRL OUTPUT BLOWER MOTOR BRN WIRE COMPUTER DATA LINES SYSTEM DEFOG RLY CTRL SENSOR GROUND IN CAR TEMP SENS OUTSIDE TEMP SENS DK BLU WIRE DK GRN WIRE FUSE FUSE FUSE GROUND GRY WIRE GRY/BLK WIRE HEATER AND A/C PROGRAMMER (BEHIND RIGHT SIDE OF I/P) HI PPL MED HI MED LO HIGH PRESSURE SW HOT AT ALL TIMES HOT AT ALL TIMES ENGINE COMPARTMENT FUSE BLOCK HOT IN RUN HOT IN RUN RIGHT MAXI FUSE BLOCK FUSE IN-CAR TEMPERATURE SENSOR (TOP CENTER OF I/P, BEHIND VENTS) LOW PRESSURE SW WIPER ON INPUT LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MAXI FUSE 4 NCA WIRE NORTHSTAR OFF ORG/ WIRE OUTSIDE AIR TEMPERATURE SENSOR (ON UPPER RADIATOR SUPPORT) PPL REAR BLOWER MOTOR REAR BLOWER MOTOR CAPACITOR (IN CONSOLE, IN BLOWER MOTOR PIGTAIL) REAR BLOWER RELAY "E" (IN TRUNK COMPARTMENT MICRO RELAY CENTER 1) REAR BLOWER RESISTOR MODULE (IN CONSOLE, REAR OF BLOWER MOTORS) REAR BLOWER SWITCH REAR DEFOGGER SYSTEM RED WIRE SOLAR SENSOR INPUT SOLID STATE TAN WIRE TRUNK COMPART- MENT FUSE BLOCK WHT/ DK BLU WIRE WIPER/ WASHER SWITCH

4.9L 4.9L NORTHSTAR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH RELAY C (IN ENGINE COMPARTMENT MICRO RELAY CENTER) A/C REFRIGERANT HIGH PRESSURE SWITCH (LOWER LEFT FRONT OF ENGINE COMPARTMENT) A/C REFRIGERANT LOW PRESSURE SWITCH (RIGHT REAR OF ENGINE COMPARTMENT) BLK WIRE BRN WIRE COOLANT LEVEL SWITCH COOLING FAN 1 RELAY (LEFT SIDE OF ENGINE COMPARTMENT) COOLING FAN 2 RELAY (LEFT SIDE OF ENGINE COMPARTMENT) COOLING FAN 3 RELAY (LEFT SIDE OF ENGINE COMPARTMENT) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPARTMENT FUSE BLOCK ENGINE COOLANT TEMPERATURE SENSOR (TOP LEFT OF ENGINE) FUSE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT GRN WIRE MAXI FUSE 3 NCA WIRE NORTHSTAR ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER STEERING PRESSURE SWITCH (LOWER RIGHT REAR OF ENGINE) POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P, TOP OF KICK PANEL) PPL PUSHER COOLING FAN PULLER COOLING FAN RED WIRE RIGHT MAXI FUSE BLOCK TAN WIRE WHT WIRE YEL WIRE

1995 VFTC 4.9L 4.9L NORTHSTAR 4.9L ONLY BLK/WHT WIRE CONCOURS CONCOURS ONLY DATA LINK CONNECTOR DEVILLE/ CONCOURS DEVILLE/CONCOURS DIAGNOSTIC TEST INPUT DK GRN WIRE E, C DATA LINE ELDORADO/SEVILLE WITH EXPORT HARNESS ELDORADO/SEVILLE WITH USA HARNESS ELECTRONIC BRAKE, TRACTION CONTROL MODULE FIXED SPARK/ SET TIMING HEATER AND A/C PROGRAMMER INSTRUMENT PANEL CLUSTER LINK IN COVER LT GRN WIRE NCA WIRE NORTHSTAR PNK/BLK WIRE POWERTRAIN CONTROL MODULE RADIO CONTROL HEAD REMOTE RADIO RECEIVER ROAD SENSING SUSPENSION MODULE SENSING, DIAGNOSTIC MODULE (SDM) SERIAL DATA IN/OUT SPEED SENSITIVE SUSPENSION MODULE TAN WIRE

4.9L 4.9L NORTHSTAR 808 401 400 PPL BLK WIRE BRN WIRE COOLANT LEVEL SWITCH COOLING FAN 1 RELAY (LEFT SIDE OF ENGINE COMPARTMENT) COOLING FAN 2 RELAY (LEFT SIDE OF ENGINE COMPARTMENT) COOLING FAN 3 RELAY (LEFT SIDE OF ENGINE COMPARTMENT) DK BLU WIRE DK GRN WIRE ENGINE COMPARTMENT FUSE BLOCK ENGINE COOLANT TEMPERATURE SENSOR (TOP LEFT OF ENGINE) FUSE HOT AT ALL TIMES HOT IN RUN LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT GRN WIRE MAXI FUSE 3 NORTHSTAR ORG/BLK WIRE POWER STEERING PRESSURE SWITCH (LOWER RIGHT REAR OF ENGINE) POWERTRAIN CONTROL MODULE (BEHIND RIGHT SIDE OF I/P, TOP OF KICK PANEL) PPL PULLER COOLING FAN PUSHER COOLING FAN RED WIRE RIGHT MAXI FUSE BLOCK WHT WIRE YEL WIRE

1995 VFTC 4.9L AUTOMATIC TRANSAXLE BLK/WHT WIRE BLOCK BRAKE SW INPUT BRN WIRE COMPARTMENT FUSE CRUISE CONTROL SERVO (TOP RIGHT REAR OF ENGINE, BEHIND GENERATOR) CRUISE ENABLE INPUT DATA DATA LINE DK BLU WIRE DK BLU/WHT WIRE ENGINE EXT TRAV BRK SW IN GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN INSTRUMENT CLUSTER KICK PANEL) LT BLU/BLK WIRE LT GRN WIRE MULTIFUNCTION LEVER NCA WIRE NORTHSTAR OF ENGINE) OFF ON/OFF SW PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL RESUME/ACCEL INPUT RESUME/ACCEL SW RIGHT SIDE OF I/P, TOP OF KICK PANEL) SERVO POS SENS IN SERVO POSITION SENSOR SET/COAST INPUT SET/COAST SW STOP/BTSI/CRUISE BRAKE SWITCH (ABOVE BRAKE PEDAL) TAN WIRE TCC BRAKE SW (ABOVE BRAKE PEDAL) TCC BRAKE SW INPUT VAC VALVE CONT VACUUM VALVE VEHICLE SPEED SENSOR (LOWER RIGHT REAR VENT VALVE CONT VENT VALVE VSS INPUT-HI VSS INPUT-LO YEL WIRE

"A" NOTE HORN "C" NOTE HORN "F" NOTE HORN "O" NOTE HORN 4.9L A/C COMP- PRESSOR CLUTCH A/C COMP- PRESSOR CLUTCH DIODE A/C COMP- PRESSOR CLUTCH DIODE OIL LEVEL SWITCH A/C COMPRESSOR CLUTCH BATTERY BLK WIRE BLK/WHT WIRE BLOWER MOTOR BRAKE PRESSURE MODULATOR VALVE BLOWER MOTOR COOLING FAN RELAY 2 COOLING LEVEL SWITCH CRUISE CONTROL SERVO DEVILLE/ CONCOURS HEATED WINDSHIELD POWER MODULE IDLE SPEED CONTROL MOTOR IGNITION CONTROL MODULE FRONT HEATED OXYGEN SENSOR LEFT CORNER- RING LAMP LEFT FOG LAMP ENGINE COMPART- MENT LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT MARKER LAMP LEFT PARK/ TURN LAMPS METAL TEMPERATURE SWITCH NCA WIRE NORTHSTAR OIL PRESSURE SWITCH PARK/ NEUTRAL POSITION SWITCH POWER- TRAIN CONTROL MODULE (PCM) PULLER COOLING FAN MOTOR REAR HEATED OXYGEN SENSOR RIGHT COOLING FAN MOTOR RIGHT CORNERING LIGHT RIGHT FOG LAMP RIGHT FRONT MARKER LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT PARK/ TURN LAMP WIPER/ WASHER MOTOR MODULE

1995 VFTC 3 PHASE A/C OUTPUT 3 PHASE A\C INPUT 3 PHASE TRANSFORMER AND RECTIFIER 4.9L 4.9L NORTHSTAR 5 VOLTS BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BRN WIRE CLIMATE CONTROL PANEL INSTRUMENT PANEL CLUSTER CRANK DETECTION DC OUTPUT DE-ICE REQUEST DE-ICE SWITCH DK BLU WIRE DK GRN WIRE ENGINE COMPARTMENT FUSE BLOCK FUSE FUSE GENERATOR HEATED WINDSHIELD HEATED WINDSHIELD CONTROL MODULE (LEFT ELECTRONICS BAY, MOUNTED ON BOARD) HEATED WINDSHIELD POWER MODULE (LOWER RIGHT FRONT OF CAR, FORWARD OF WHEELHOUSE) HOT AT ALL TIMES HOT IN RUN IGN LED CONTROL LT BLU WIRE LT GRN WIRE NCA WIRE NORTHSTAR ON IND SENS REF ON REQ FIR ORG/ WIRE ORG/BLK WIRE P/N POS CRACK DET POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) FAST IDLE REQUEST RED WIRE RLY CTRL TRANSAXLE RANGE SWITCH W/ NORTH- STAR ONLY WHT WIRE YEL WIRE

4.9L AUTOMATIC TRANSAXLE BRN WIRE CONCOURS ONLY CONCOURS W/O HEATED SEAT CONCOURS W/ HEATED SEAT CONSOLE SWITCH COOLING FAN RELAY 1 COOLING FAN RELAY 2 COOLING FAN RELAY 3 DEVILLE/ CONCOURS ELC RELAY "A" DEFOGGER RELAY "D" ELDORADO/ SEVILLE ONLY ELECTRONIC BRAKE AND TRACTION CONTROL MODULE ELECTRONIC LEVEL CONTROL HEIGHT SENSOR EVAPORATIVE/ EMISSION CONTROL SOLENOID TCC BRAKE SWITCH EXHAUST GAS RECIRCULATION (EGR) VALVE POWER STEERING PRESSURE SWITCH FROM IGNITION SWITCH FRONT HEATED OXYGEN SENSOR REAR HEATED OXYGEN SENSOR DRIVER'S HEATED SEAT SWITCH FUSE HEADLIGHT WASHER MODULE HEATED WINDSHIELD CONTROL MODULE HEATER AND A/C PROGRAMMER INSTRUMENT PANEL CLUSTER (IPC) MULTI-FUNCTION LEVER NCA WIRE NORTHSTAR NORTHSTAR ONLY ORG/ WIRE PASSENGER'S HEATED SEAT SWITCH PNK WIRE REAR BLOWER RELAY "E" (TRUNK COMPT #1 MICRO RELAY CENTER) RED WIRE ROAD SENSING SUSPENSION (RSS) MODULE SEAT MEMORY MODULE SPEED SENSING SUSPENSION MODULE TRUNK COMPART- MENT FUSE BLOCK W/ 4.9L ONLY W/ HEADLIGHT