Chevrolet Caprice IV (1990-1996) tan Wiring diagrams

4 11 PPL 8 12 10 PNK WIRE ABS FUSE ABS IND. BLK WIRE BLK/WHT WIRE BPMV PUMP MOTOR RELAY BPMV SOLENOID VALVE RELAY BRAKE APPLIED INPUT BRAKE PRESSURE MODULATOR VALVE (BPMV) (LEFT OF ALTERNATOR) BRN WIRE CHEVROLET BUICK DATA LINK CONN (DLC) (ATTACHED TO I/P CARRIER, RIGHT OF STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (LEFT I/P, ABOVE CONVENIENCE CENTER) FUSE BLOCK FUSE LINK B (18 GA-RUST) (RIGHT ENGINE COMPT, BOLTED TO BATTERY JUNCTION BLOCK) GROUND RIGHT FRONT VALVE GROUND SENSOR GROUND GROUND SHIELD 5 6 7 8 9 873 1810 LFT FRT WHL SPEED SENS REAR AXLE SPEED HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST OR START I/P INDIC FUSE INSTRUMENT CLUSTER LEFT FRONT VALVE SOLENOID LEFT FRONT WHEEL SPEED SENSOR NCA WIRE ORG/ WIRE PNK 1 2 3 4 IGNITION FEED LEFT FRONT VALVE WIRE PNK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE PUMP ON INPUT REAR AXLE SPEED SENSOR REAR VALVE SOLENOID RED WIRE RETURN PUMP MOTOR RIGHT FRONT VALVE SOLENOID RIGHT FRONT WHEEL SPEED SENSOR RT FRT WHL SPEED SENS RUN WIRE SENSOR GROUND SHIELD 10 11 12 13 14 15 16 17 18 19 20 21 SHIELD 22 23 24 25 26 27 28 29 30 31 32 33 34 35 STOP LT SW (ATTACHED TO BRAKE PEDAL BRACKET) STOP/HAZ FUSE SUPPLY VOLTAGE REAR VALVE CONTROL TAN WIRE WHT WIRE YEL WIRE

BLK/WHT WIRE BUICK ONLY DATA LINK CONNECTOR DIAGNOSTIC REQUEST INPUT ELECTRONIC BRAKE CONTROL MODULE HEATER-A/C CONTROL INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE OUTPUT/ FIELD ENABLE P/S PUMP EVO ACTUATOR POWER STEERING CONTROL MODULE POWER STEERING RESERVOIR POWERTRAIN CONTROL MODULE PULSE WIDTH MODULATED OUTPUT SERIAL DATA LINE TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C DRL FUSE BLK WIRE BRAKE/ BRN WIRE CHEVY BUICK CHIME FUSE DAYTIME RUNNING LTS (DRL) DROPPING DIODE (ATTACHED TO BRAKE DAYTIME RUNNING LTS (DRL) MODULE (AT RIGHT "A" PILLAR, RIGHT KICK PANEL) DK BLU WIRE DK GRN/WHT WIRE DRL RELAY FUS LINK A GROUND HEAD ON IGNITION HI BEAM IN GROUND LT SENS IN LT SENS IN HEAD RELAY HEADLT AUTO CTRL AMBIENT LT SENS (TOP OF I/P, MOUNTED ON DEFROST GRILL) HEADLT DIMMER HEADLT SW HI BEAM IND INSTRUMENT CLUSTER HI-BEAM IND HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK I/P FUSE BLOCK EXT LPS FUSE INSTRUMENT CLUSTER INSTRUMENT CLUSTER BRAKE INDICATOR INTERIOR, EXTERIOR LTS LEFT DUAL BEAM HEADLT LT GRN LT GRN WIRE LT GRN WIRE LT GRN/BLK WIRE NOT USED OFF ORG/ WIRE OUTPUT #1 IGNITION OUTPUT #2 OUTPUT #3 PARK PARK BRAKE SW (ON PARK BRAKE ASSEMBLY) PARK RELAY PEDAL BRACKET) PNK PPL WIRE PNK WIRE RED WIRE RIGHT DUAL BEAM HEADLT SUPPORT, FORWARD OF BATTERY) TAN WIRE TAN/WHT WIRE UNDERHOOD ELECTRICAL CENTER YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BLK/WHT WIRE GROUND HEAD HEADLT DIMMER HEADLT SW HI-BEAM IND HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT DUAL BEAM HEADLT LT GRN LT GRN WIRE LT GRN WIRE NOT USED OFF PARK RIGHT DUAL BEAM HEADLT TAN WIRE YEL WIRE

AMBIENT LT SENSOR INPUT BLK WIRE BLK/WHT 1491 WIRE BLK/WHT WIRE BRN WIRE CONN 1 CONN 2 DK GRN/WHT WIRE EXT LPS FUSE EXTERIOR LTS FUS LINK A (UNDERHOOD ELECTRICAL CENTER) GROUND HEAD HEADLT AUTO CONTROL MODULE (ABOVE BASE OF STEERING COLUMN) HEADLT AUTO CTRL AMBIENT LT SENSOR HEADLT DIMMER HEADLT SW HI BEAM GROUND B+ HI-BEAM IND HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK CHIME FUSE INSTRUMENT CLUSTER INTERIOR, EXTERIOR LTS INTERNAL HEAD RELAY INTERNAL PARK RELAY LEFT DUAL BEAM HEADLT LT GRN LT GRN WIRE LT GRN WIRE LT GRN/BLK WIRE LTS ON INPUT LTS ON WARNING INPUT IGNITION DELAY ON/OFF OUTPUT #2 OUTPUT #1 MAX MIN PPL NOT USED OFF ORG/ WIRE PARK PNK PPL WIRE PNK WIRE RED WIRE RIGHT DUAL BEAM HEADLT TAN WIRE TWILIGHT SENTINEL SW WARNING ALARM (CONVENIENCE CENTER) YEL WIRE YEL/BLK WIRE

A/C DRL FUSE ABS INDICATOR AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE BRAKE INDICATOR BRAKE PRESSURE MODULATOR VALVE BRN WIRE BRN/WHT WIRE BULB TEST LOCK OFF CHANGE OIL IND. CTRL LOW OIL LVL IND. CTRL OIL LVL INPUT CHECK GAUGE CLUS CHI FUSE CONVENIENCE CENTER CONVENIENCE CENTER (LEFT KICK PANEL) (LEFT I/P, LEFT OF STEERING COLUMN) COOLANT TEMP DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOME COURTESY LAMP RELAY DOOR OPEN INDICATOR ELECTRONIC BRAKE CONTROL MODULE ABS IND. CTRL ENG/ MET STEP DIM ENGINE COOLANT TEMP. GAUGE ENGINE COOLANT TEMPERATURE SENDER ENGINE OIL LEVEL SWITCH FASTEN BELTS PASS KEY FAULT INDICATOR INDICATOR FUEL GAUGE FUEL LEVEL FUSE BLOCK- I/P GATE AJAR GEN OUT (MOUNTED IN WASHER SOLVENT RESERVOIR) GENERATOR GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HI BEAM HOT AT ALL TIMES HOT AT ALL TIMES FUSE BLOCK: I/P CTSY PWR LOCK FUSE HOT IN RUN HOT IN RUN OR START I/P INDC FUSE IGN IGN 3 IGNITION SWITCH ILLUMIN- ATION (2 BULBS) ILLUMIN- ATION (3 BULBS) IND. CTRL (LEFT I/P, LEFT OF BRAKE PEDAL BRACKET) (LEFT KICK PANEL) INDIC- ATOR INDICATOR (WAGON ONLY) INDICATOR CONTOLS INSTRUMENT CLUSTER INSTRUMENT CLUSTER ENGLISH/ METRIC SWITCH LEFT TURN LH FRONT DOOR JAMB SWITCH LH REAR DOOR JAMB SWITCH LOW COOLANT INDICATOR LOW ENGINE COOLANT INDICATOR PROBE LOW FUEL LOW OIL LEVEL INDICATOR CHANGE OIL INDICATOR LOW WASHER FLUID LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR OIL PRESS GAUGE OIL PRESSURE RESISTOR OIL PRESSURE SENDER ORG/ WIRE PARK BRAKE IN (RIGHT KICK PANEL) PPL PARK BRAKE SWITCH PNK WIRE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE MIL IND. CTRL (FORWARD OF LEFT FRONT WHEELHOUSE) PPL PPL IGNITION SWITCH BRAKE PRESSURE SWITCH PPL PPL PPL PPL DAYTIME RUNNING LIGHTS MODULE BRAKE IND. CTRL PRESS. RELAY CONTROL WARNING ALARM DOOR OPEN INPUT RH REAR DOOR JAMB SWITCH RH FRONT DOOR JAMB SWITCH RIGHT TURN RUN WIRE SENDER (MOUNTED IN FUEL TANK) SEO NON-SEO SIR IND. CTRL SOLID STATE SOLVENT LEVEL GND GEN TAILGATE AJAR SWITCH TAN WIRE TAN/WHT WIRE THEFT DETERRENT MODULE PASS KEY FAULT TRIP RESET VEHICLE SPEED INPUT VEHICLE SPEED OUPUT VF SPEEDOMETER DISLAY VOLT GAUGE W/ DRL W/O DRL WASHER SOLVENT LEVEL SWITCH WHT WIRE WIND- SHIELD YEL WIRE

AIR FUSE #3 ASSEMBLY BLK WIRE BLK/WHT WIRE BRN WIRE CHIME FUSE #13 CRUISE CONTROL RELEASE SWITCH (ATTACHED TO BRAKE PEDAL BRACKET) DK BLU WIRE DK GRN/WHT WIRE ECT SENSOR SIG EGR SOLENOID VALVE (TOP OF ENGINE BEHIND INJ #7) EMI FUSE #4 ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE (TOP OF ENGINE BEHIND INJ #4) GRY WIRE HEATED OXYGEN SENSOR 1 (BANK 1, LEFT EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (BANK 2, RIGHT EXHAUST MANIFOLD) HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IAC COIL "A" LOW IAC COIL "B" LOW IAC COIL A HI IAC COIL B HI IAT SENSOR SIG IDLE AIR CONTROL MOTOR (RIGHT FRONT OF THROTTLE BODY) INTAKE AIR TEMPERATURE SENSOR (AIR CLEANER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENSOR SIG NCA WIRE NEXT TO THERMOSTAT HOUSING) ORG/ WIRE ORG/BLK WIRE PCM GROUND CONN C PNK PPL WIRE PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SIG POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE SECONDARY AIR INJECTION (AIR) PUMP (LOWER RIGHT SIDE OF ENGINE BLOCK) SECONDARY AIR INJECTOR (AIR) PUMP RELAY TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ATTACHED TO RIGHT SIDE THROTTLE BODY) TP SENSOR SIG TRANS PRESS CTRL SOL HI TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD ELECTRICAL CENTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID (PWM) A/C CLUTCH CTRL A/C COMPRESSOR RELAY A/C PRESS SENSOR SIG A/C REFRIGERANT PRESSURE SENSOR (IN HI PRESSURE LINE ABOVE RIGHT WHEELHOUSE) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLOCK, BELOW BLOCK, FORWARD BRN WIRE BRN/WHT WIRE CANISTER PURGE CTRL COMPARTMENT) CONN D DATA LINK CONNECTOR DK BLU WIRE DK GRN/WHT WIRE EXHAUST MANIFOLD) FUEL PUMP PRIMING CONNECTOR (NEAR A/C ACCUMULATOR) FUEL PUMP/ LEVEL SENDER (IN FUEL FUEL PUMP/ OIL PRESSURE SWITCH (TOP OF ENGINE AT REAR) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE #2 I/P INDC FUSE #11 IGNITION COIL (FRONT OF ENGINE) IGNITION COIL MODULE (FRONT OF ENGINE) COIL DRIVER IGN IGN CTRL INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR SIG LEFT KNOCK SENSOR LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR MIL CTRL OF STARTER) ORG/ WIRE ORG/BLK WIRE OUTPUT/FIELD SERV ENBL PARK/NEUTRAL POSITION SWITCH (NEAR BASE OF STEERING COLUMN) PCM GROUND PNK CHANGE OIL IND CTRL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PRESSURE CONTROL SOLENOID RED WIRE RED/BLK WIRE RIGHT KNOCK SENSOR SERIAL DATA SW A SW B SW C TAN WIRE TAN/BLK WIRE TANK) TCC SOLENOID TRANS FLUID TEMP SENSOR TRANS FLUID TEMP SIG TRANS FUSE #5 TRANS PRESS CTRL LOW PNK IGNITION WIRE TRANS TCC CTRL UNDER- HOOD ELECTRICAL CENTER WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

AIR FUSE #3 ASSEMBLY BLK WIRE BLK/WHT WIRE BRN WIRE CHIME FUSE #13 CRUISE CONTROL RELEASE SWITCH (ATTACHED TO BRAKE PEDAL BRACKET) DK BLU WIRE DK GRN/WHT WIRE ECT SENSOR SIG EGR SOLENOID VALVE (TOP OF ENGINE BEHIND INJ #7) EMI FUSE #4 ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) EVAPORATIVE EMISSION CANISTER PURGE SOLENOID VALVE (TOP OF ENGINE BEHIND INJ #4) GRY WIRE HEATED OXYGEN SENSOR 1 (BANK 1, LEFT EXHAUST MANIFOLD) HEATED OXYGEN SENSOR 2 (BANK 2, RIGHT EXHAUST MANIFOLD) HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IAC COIL "A" LOW IAC COIL "B" LOW IAC COIL A HI IAC COIL B HI IAT SENSOR SIG IDLE AIR CONTROL MOTOR (RIGHT FRONT OF THROTTLE BODY) INTAKE AIR TEMPERATURE SENSOR (AIR CLEANER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR MAP SENSOR SIG NCA WIRE NEXT TO THERMOSTAT HOUSING) ORG/ WIRE ORG/BLK WIRE PCM GROUND CONN C PNK PPL WIRE PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SIG POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE SECONDARY AIR INJECTION (AIR) PUMP (LOWER RIGHT SIDE OF ENGINE BLOCK) SECONDARY AIR INJECTOR (AIR) PUMP RELAY TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ATTACHED TO RIGHT SIDE THROTTLE BODY) TP SENSOR SIG TRANS PRESS CTRL SOL HI TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD ELECTRICAL CENTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID (PWM) A/C CLUTCH CTRL A/C COMPRESSOR RELAY A/C PRESS SENSOR SIG A/C REFRIGERANT PRESSURE SENSOR (IN HI PRESSURE LINE ABOVE RIGHT WHEELHOUSE) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLOCK, BELOW BLOCK, FORWARD BRN WIRE BRN/WHT WIRE CANISTER PURGE CTRL COMPARTMENT) CONN D DATA LINK CONNECTOR DK BLU WIRE DK GRN/WHT WIRE EXHAUST MANIFOLD) FUEL PUMP PRIMING CONNECTOR (NEAR A/C ACCUMULATOR) FUEL PUMP/ LEVEL SENDER (IN FUEL FUEL PUMP/ OIL PRESSURE SWITCH (TOP OF ENGINE AT REAR) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE #2 I/P INDC FUSE #11 IGNITION COIL (FRONT OF ENGINE) IGNITION COIL MODULE (FRONT OF ENGINE) COIL DRIVER IGN IGN CTRL INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR SIG LEFT KNOCK SENSOR LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR MIL CTRL OF STARTER) ORG/ WIRE ORG/BLK WIRE OUTPUT/FIELD SERV ENBL PARK/NEUTRAL POSITION SWITCH (NEAR BASE OF STEERING COLUMN) PCM GROUND PNK CHANGE OIL IND CTRL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PRESSURE CONTROL SOLENOID RED WIRE RED/BLK WIRE RIGHT KNOCK SENSOR SERIAL DATA SW A SW B SW C TAN WIRE TAN/BLK WIRE TANK) TCC SOLENOID TRANS FLUID TEMP SENSOR TRANS FLUID TEMP SIG TRANS FUSE #5 TRANS PRESS CTRL LOW PNK IGNITION WIRE TRANS TCC CTRL UNDER- HOOD ELECTRICAL CENTER WHT WIRE WHT/BLK WIRE YEL/BLK WIRE